.app-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 1rem 5%;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-header);
  border-bottom: 1px solid #eeeeee;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.875rem;
}

.logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  color: var(--primary);
}

.logo-img {
  height: 4rem;
  width: auto;
  display: block;
}

.logo-text {
  display: inline-flex;
  align-items: baseline;
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: 0;
}

.logo-accent {
  color: var(--secondary);
}

.search-container {
  position: relative;
  flex: 1;
  max-width: 37.5rem;
}

.search-container input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-pill);
  outline: none;
  background: rgba(252, 252, 252, 0.96);
  box-shadow: var(--shadow-search);
}

.search-container input:focus {
  border-color: rgba(0, 56, 168, 0.45);
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 0.9rem;
  width: 1rem;
  height: 1rem;
  color: var(--muted);
  transform: translateY(-50%);
}

.user-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-auth-btn {
  background: none;
  border: none;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s;
}

.header-auth-btn:hover {
  color: #002e8a;
}

.header-auth-btn--signup {
  background: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-pill);
  padding: 0.45rem 1.1rem;
  border: none;
}

.header-auth-btn--signup:hover {
  background: #002e8a;
  color: #ffffff;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  color: var(--primary);
  border-radius: 50%;
}

.icon-button .icon {
  width: 1.75rem;
  height: 1.75rem;
}

.icon-button--active {
  background: var(--primary);
  color: #fff;
}

.icon-button--active:hover {
  background: color-mix(in srgb, var(--primary) 85%, #000);
}

.primary-nav {
  position: relative;
  margin-top: 0.875rem;
}

.main-menu {
  display: flex;
  gap: 1.875rem;
  margin: 0;
  padding: 0 0 0.3125rem;
  list-style: none;
}

.main-menu a {
  white-space: nowrap;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.main-menu a:hover,
.main-menu a:focus-visible {
  color: var(--primary);
}

/* ── Hamburger button (mobile only) ─────────────────────────────────────────── */

.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 1.5rem;
  height: 1.125rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.hamburger-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.hamburger-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(0.5625rem) rotate(45deg);
}

.hamburger-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-0.5625rem) rotate(-45deg);
}

/* ── Nav dropdown ────────────────────────────────────────────────────────────── */

.has-dropdown {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  position: relative;
}

.nav-dropdown-label {
  white-space: nowrap;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.2s ease;
}

.has-dropdown:hover .nav-dropdown-label {
  color: var(--primary);
}

.nav-dropdown-chevron {
  background: none;
  border: none;
  padding: 0.1rem 0.25rem;
  font-size: 0.7rem;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
  display: flex;
  align-items: center;
  transition: color 0.2s ease;
}

.nav-dropdown-chevron:hover,
.has-dropdown:hover .nav-dropdown-chevron {
  color: var(--primary);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 20;
  min-width: 11rem;
  margin: 4px 0 0;
  padding: 0.35rem 0;
  list-style: none;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 24px rgba(9, 32, 63, 0.12);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.nav-dropdown.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown li + li {
  border-top: 1px solid #f0f0f0;
}

.nav-dropdown a {
  display: block;
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  background: var(--surface-tint);
  color: var(--primary);
}

.page-shell {
  padding: 2rem 1.25rem 0;
}

.container {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(17rem, 1fr);
  gap: 2rem;
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.home-layout {
  grid-template-columns: minmax(0, 1fr);
}

.main-column,
.side-column {
  min-width: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11.25rem, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.feature-item,
.card,
.tagalog-word {
  animation: rise-in 0.45s ease both;
}

.feature-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.feature-item[data-feature-id="vocabulary"] {
  background: #EEF2FF;
  border-color: #dce3f8;
}

.feature-item[data-feature-id="grammar"] {
  background: #E8F5EE;
  border-color: #cce8d8;
}

.feature-item[data-feature-id="worksheets"] {
  background: #FFF4E5;
  border-color: #f0dfc0;
}

.feature-item:hover,
.feature-item:focus-visible {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  transform: translateY(-0.125rem);
}

.feature-item[data-feature-id="vocabulary"]:hover,
.feature-item[data-feature-id="vocabulary"]:focus-visible {
  border-color: #b0bef0;
}

.feature-item[data-feature-id="grammar"]:hover,
.feature-item[data-feature-id="grammar"]:focus-visible {
  border-color: #8dcaaa;
}

.feature-item[data-feature-id="worksheets"]:hover,
.feature-item[data-feature-id="worksheets"]:focus-visible {
  border-color: #d4a870;
}

.feature-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  flex-shrink: 0;
}

.feature-icon-wrap .icon {
  width: 1.75rem;
  height: 1.75rem;
}

.feature-label {
  flex: 1;
  font-size: 1.05rem;
  font-weight: 700;
}

.feature-chevron {
  font-size: 1.4rem;
  font-weight: 600;
  color: #b0bac8;
  line-height: 1;
}

.card {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: #f8f9fb;
  border: 1px solid #e8edf4;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 700;
}

.card-title > .icon {
  width: 1.4rem;
  height: 1.4rem;
  color: var(--primary);
  flex-shrink: 0;
}

.card-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: #EEF2FF;
  border-radius: 0.625rem;
  flex-shrink: 0;
  color: #4255B8;
}

.card-icon-wrap .icon {
  width: 1.4rem;
  height: 1.4rem;
}

.word-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  width: 100%;
}

.word-grid .tagalog-word {
  flex: 1 0 auto;
}

.tagalog-word {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1rem;
  background: var(--surface-soft);
  border: 1px solid #d1d5db;
  border-radius: 0.625rem;
  color: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.tagalog-word:hover,
.tagalog-word:focus-visible {
  background: var(--surface-tint);
  border-color: var(--primary);
  color: var(--primary);
}

.tagalog-word.is-active {
  border-color: var(--primary);
  color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(0, 56, 168, 0.1);
}

.tagalog-word.word-medium {
  font-size: 0.85rem;
}

.tagalog-word.word-long {
  font-size: 0.7rem;
}

.word-caption,
.support-copy {
  color: var(--muted);
}

.word-caption {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.9375rem;
  font-size: 0.85rem;
  font-style: italic;
}

.daily-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin-top: 1rem;
}

.daily-practice-btn,
.daily-add-all-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-card);
  border-width: 1.5px;
  border-style: solid;
  font-size: 0.95rem;
  font-weight: 700;
  transition: background-color 0.18s ease, border-color 0.18s ease, opacity 0.15s ease;
  white-space: nowrap;
}

.daily-practice-btn .icon,
.daily-add-all-btn .icon {
  width: 1.1rem;
  height: 1.1rem;
}

/* Blue — Practice */
.daily-practice-btn {
  background: #eef3ff;
  border-color: rgba(0, 56, 168, 0.35);
  color: var(--primary);
}

.daily-practice-btn:hover,
.daily-practice-btn:focus-visible {
  background: #dde8ff;
  border-color: var(--primary);
}

/* Green — Add All */
.daily-add-all-btn {
  background: #edf9f2;
  border-color: rgba(13, 138, 82, 0.35);
  color: #0d6e44;
}

.daily-add-all-btn:hover:not(:disabled),
.daily-add-all-btn:focus-visible:not(:disabled) {
  background: #d5f2e3;
  border-color: #0d8a52;
}

.daily-add-all-btn.is-done,
.daily-add-all-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.idea-icon {
  width: 1rem;
  height: 1rem;
  color: var(--accent);
}

.support-copy {
  font-size: 0.9rem;
}

.word-panel {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 30;
  width: min(26rem, calc(100vw - 2rem));
}

.word-panel.is-hidden {
  display: none;
}

.word-panel-card {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(0, 56, 168, 0.12);
  border-radius: 1rem;
  box-shadow: 0 20px 50px rgba(9, 32, 63, 0.18);
  backdrop-filter: blur(18px);
}

.word-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.word-panel-kicker {
  margin: 0 0 0.25rem;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.word-panel-title {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.1;
}

.word-panel-close {
  flex-shrink: 0;
  min-width: 2rem;
  min-height: 2rem;
  padding: 0.35rem 0.55rem;
  color: var(--muted);
  border-radius: 999px;
}

.word-panel-close:hover,
.word-panel-close:focus-visible {
  color: var(--primary);
  background: rgba(0, 56, 168, 0.08);
}

.word-panel-body {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.word-panel-section {
  padding: 0.85rem;
  background: #f8fbff;
  border: 1px solid rgba(0, 56, 168, 0.08);
  border-radius: 0.85rem;
}

.word-panel-label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.word-panel-value {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.word-panel-note {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.morphology-breakdown {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.morphology-chip {
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.morphology-chip-prefix {
  color: #8a1c2c;
  background: #fde8ec;
}

.morphology-chip-infix {
  color: #955f00;
  background: #fff1d1;
}

.morphology-chip-root {
  color: #0d5d35;
  background: #dcf7e7;
}

.morphology-chip-suffix {
  color: #174f9a;
  background: #deecff;
}

.morphology-chip-word {
  color: #39424e;
  background: #edf1f6;
}

.my-list-button {
  width: 100%;
  margin-top: 0.2rem;
  padding: 0.85rem 1rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), #1b65ea);
  border-radius: 0.85rem;
  font-weight: 700;
  text-align: center;
}

.my-list-button.is-added {
  background: linear-gradient(135deg, #0d8a52, #17aa69);
}

.site-footer {
  margin-top: 4rem;
  padding: 3rem 5% 1rem;
  color: #ffffff;
  background: var(--footer-bg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
  gap: 2rem;
  margin: 0 auto 2rem;
  width: min(100%, var(--max-width));
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  color: var(--accent);
}

.footer-brand .icon {
  width: 1.25rem;
  height: 1.25rem;
}

.footer-tagline {
  margin-top: 0.625rem;
  color: #aaaaaa;
  font-size: 0.85rem;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 0.5rem;
}

.footer-links a {
  color: var(--footer-text);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--accent);
}

.company-copy {
  margin: 0;
  color: #999999;
  font-size: 0.8rem;
  line-height: 1.8;
}

.site-footer h4 {
  margin: 0 0 0.75rem;
}

.footer-bottom {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--footer-border);
  color: #777777;
  font-size: 0.8rem;
  text-align: center;
}

/* ── Vocabulary exercises ─────────────────────────────────── */

.vocab-mount {
  min-height: 100%;
}

.vocab-container {
  grid-template-columns: minmax(0, 1fr);
}

.vocab-screen-title {
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
}

.vocab-screen-sub {
  margin: 0 0 1.5rem;
}

.vocab-section-label {
  margin: 1.5rem 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.vocab-topic-badge {
  display: inline-block;
  margin-bottom: 1.25rem;
  padding: 0.3rem 0.75rem;
  background: var(--surface-tint);
  border: 1px solid #d0d7ff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

.vocab-back-btn {
  margin-bottom: 1rem;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.vocab-back-btn:hover {
  color: var(--primary);
}

/* Topic tiles */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.topic-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 1rem 1.1rem;
  background: var(--surface-soft);
  border: 1px solid #eeeeee;
  border-radius: var(--radius-soft);
  text-align: left;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
  animation: rise-in 0.35s ease both;
}

.topic-tile:hover:not(:disabled),
.topic-tile:focus-visible:not(:disabled) {
  background: var(--surface);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.topic-tile.is-disabled,
.topic-tile:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.topic-tile-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.topic-tile-count {
  font-size: 0.8rem;
  color: var(--muted);
}

.topic-tile-note {
  font-size: 0.75rem;
  color: var(--secondary);
  font-style: italic;
}

/* Exercise type cards */
.exercise-type-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.exercise-type-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1.5px solid var(--surface-border);
  border-radius: var(--radius-card);
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
  animation: rise-in 0.35s ease both;
}

.exercise-type-grid > :nth-child(2) {
  animation-delay: 0.08s;
}

.exercise-type-card:hover,
.exercise-type-card:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 56, 168, 0.12);
  transform: translateY(-2px);
}

.exercise-type-icon-wrap {
  width: 3rem;
  height: 3rem;
  background: var(--surface-tint);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.exercise-type-icon {
  color: var(--primary);
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.exercise-type-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.exercise-type-card strong {
  font-size: 1rem;
  font-weight: 700;
}

.exercise-type-desc {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}

.exercise-type-arrow {
  width: 2rem;
  height: 2rem;
  background: var(--surface-soft);
  border: 1px solid #e8e8e8;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--muted);
  flex-shrink: 0;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.exercise-type-card:hover .exercise-type-arrow,
.exercise-type-card:focus-visible .exercise-type-arrow {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* Exercise runner */
.exercise-runner {
  display: grid;
  gap: 1rem;
  animation: rise-in 0.3s ease both;
}

.exercise-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
}

.exercise-meta {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.exercise-quit {
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid #dddddd;
  border-radius: 999px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.exercise-quit:hover {
  color: var(--secondary);
  border-color: var(--secondary);
}

.exercise-bar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.exercise-score {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1;
  min-width: 2.4rem;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}

.score-badge-correct {
  background: #e8faf1;
  color: #0d8a52;
  border: 1px solid #a3e6c3;
}

.score-badge-wrong {
  background: #fff0f0;
  color: #c0392b;
  border: 1px solid #f5b8b8;
}

.score-badge-icon {
  font-style: normal;
}

.score-badge-count {
  font-variant-numeric: tabular-nums;
}

.exercise-card {
  padding: 1.75rem;
}

.exercise-type-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.exercise-question {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}

.exercise-sentence {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}

.exercise-translation {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  font-style: italic;
}

/* Options */
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.option-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: var(--surface-soft);
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-soft);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.option-btn:hover:not(:disabled) {
  background: var(--surface);
  border-color: var(--primary);
}

.option-btn.is-correct {
  background: #e8faf1;
  border-color: #0d8a52;
  color: #0d5e38;
}

.option-btn.is-wrong {
  background: #fff0f0;
  border-color: var(--secondary);
  color: #8b0000;
}

.option-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  background: rgba(0, 56, 168, 0.08);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  flex-shrink: 0;
}

.option-btn.is-correct .option-letter {
  background: #0d8a52;
  color: #ffffff;
}

.option-btn.is-wrong .option-letter {
  background: var(--secondary);
  color: #ffffff;
}

.feedback-bar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius-soft);
  font-weight: 600;
  font-size: 0.95rem;
  animation: rise-in 0.25s ease both;
}

.feedback-bar.is-correct {
  background: #e8faf1;
  border: 1px solid #a3e6c3;
  color: #0d5e38;
}

.feedback-bar.is-wrong {
  background: #fff0f0;
  border: 1px solid #f5b8b8;
  color: #8b0000;
}

.feedback-bar-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.exercise-word-card {
  overflow: hidden;
  border-radius: 0.85rem;
  animation: rise-in 0.25s ease both;
}

.exercise-word-card.is-correct {
  background: #e8faf1;
  border: 1px solid #a3e6c3;
  color: #0d5e38;
}

.exercise-word-card.is-wrong {
  background: #fff0f0;
  border: 1px solid #f5b8b8;
  color: #8b0000;
}

.exercise-word-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.exercise-word-table thead th {
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: left;
  text-transform: uppercase;
  opacity: 0.7;
}

.exercise-word-table tbody td {
  padding: 0.7rem 0.85rem;
  vertical-align: middle;
}

.exercise-word-cell {
  font-size: 1rem;
  font-weight: 700;
}

.exercise-word-root-label {
  font-weight: 600;
  opacity: 0.75;
}

.exercise-save-btn {
  padding: 0.65rem 1rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1.5px solid currentColor;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 700;
  color: inherit;
  transition: background-color 0.15s ease, opacity 0.15s ease;
}

.exercise-save-btn:hover:not(.is-saved) {
  background: rgba(255, 255, 255, 0.95);
}

.exercise-save-btn.is-saved {
  opacity: 0.55;
  cursor: default;
}

.exercise-next-btn {
  padding: 0.65rem 1rem;
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .options-grid {
    grid-template-columns: 1fr;
  }

  .builds-submit-btn {
    padding: 0.9rem 1rem;
    font-size: 1rem;
  }
}

/* ── BUILDS exercise ─────────────────────────────────────────────────────── */

.arrangement-zone {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.6rem 0.75rem;
  border: 2px dashed #d0d0d0;
  border-radius: var(--radius-soft);
  margin-top: 1rem;
}

.arrangement-zone.is-empty::before {
  content: “Click words to build the sentence”;
  color: var(--muted);
  font-size: 0.88rem;
  font-style: italic;
  align-self: center;
}

.arrangement-word {
  padding: 0.4rem 0.9rem;
  background: var(--surface-soft);
  border: 2px solid var(--primary);
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
}

.arrangement-word:hover:not(:disabled) {
  background: rgba(0, 56, 168, 0.08);
}

.arrangement-word:disabled {
  cursor: default;
  opacity: 0.75;
}

.word-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.word-bank-tile {
  padding: 0.4rem 0.9rem;
  background: var(--surface-soft);
  border: 1.5px solid #d0d0d0;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.word-bank-tile:hover:not(:disabled):not(.is-used) {
  border-color: var(--primary);
  background: rgba(0, 56, 168, 0.05);
}

.word-bank-tile.is-used {
  visibility: hidden;
}

.word-bank-tile:disabled {
  cursor: default;
}

.builds-submit-btn {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
}

.builds-submit-btn:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ── My List page ─────────────────────────────────────────── */

.my-list-container {
  grid-template-columns: minmax(0, 1fr);
}

.my-list-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.my-list-title {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
}

.my-list-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  height: 1.75rem;
  padding: 0 0.5rem;
  background: var(--surface-tint);
  border: 1px solid #d0d7ff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

.my-list-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  background: var(--surface-soft);
  border: 1px solid #eeeeee;
  border-radius: var(--radius-soft);
}

.my-list-select-all {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}

.my-list-select-all input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.train-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), #1b65ea);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}

.train-button:hover:not(:disabled),
.train-button:focus-visible:not(:disabled) {
  opacity: 0.88;
  transform: translateY(-1px);
}

.train-button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.my-list-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius-soft);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.my-list-table thead th {
  padding: 0.65rem 0.85rem;
  background: var(--surface-soft);
  border-bottom: 2px solid #e0e7ff;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: left;
  white-space: nowrap;
}

.my-list-table thead th:first-child,
.my-list-table thead th:last-child {
  width: 2.5rem;
}

.my-list-row {
  border-bottom: 1px solid #f0f0f0;
  transition: background-color 0.15s ease;
  animation: rise-in 0.3s ease both;
}

.my-list-row:last-child {
  border-bottom: none;
}

.my-list-row:hover {
  background: #f8fbff;
}

.my-list-row td {
  padding: 0.75rem 0.85rem;
  vertical-align: middle;
}

.my-list-item-checkbox {
  display: block;
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.my-list-word-cell {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.my-list-word-button {
  justify-content: flex-start;
  text-align: left;
  white-space: nowrap;
}

.srs-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: default;
}

.srs-chip-new {
  background: var(--surface-tint);
  border: 1px solid #b0c4f8;
  color: var(--primary);
}

.srs-chip-due {
  background: #fff1d1;
  border: 1px solid #f0c060;
  color: #7a5200;
}

.srs-chip-upcoming {
  background: #e8faf1;
  border: 1px solid #a3e6c3;
  color: #0d5e38;
}

.my-list-meaning {
  font-size: 0.9rem;
  color: var(--muted);
}

.my-list-root {
  font-size: 0.9rem;
}

.my-list-root-label {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.my-list-affixes .morphology-breakdown {
  flex-wrap: nowrap;
}

.my-list-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-size: 1.1rem;
  color: var(--muted);
  border-radius: 50%;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.my-list-remove:hover,
.my-list-remove:focus-visible {
  color: var(--secondary);
  background: rgba(206, 17, 38, 0.08);
}

.my-list-empty {
  display: grid;
  gap: 0.75rem;
  text-align: center;
}

.my-list-empty p {
  margin: 0;
  font-size: 1rem;
}

/* ── SRS explainer (collapsible) ─────────────────────────── */

.srs-explainer {
  margin-bottom: 1rem;
  border: 1px solid rgba(0, 56, 168, 0.12);
  border-radius: var(--radius-soft);
  background: #f8fbff;
  overflow: hidden;
}

.srs-explainer-summary {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.srs-explainer-summary::-webkit-details-marker {
  display: none;
}

.srs-explainer-summary::before {
  content: "â–¶";
  font-size: 0.6rem;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.srs-explainer[open] .srs-explainer-summary::before {
  transform: rotate(90deg);
}

.srs-explainer-summary:hover {
  background: rgba(0, 56, 168, 0.05);
}

.srs-explainer-body {
  padding: 0 0.9rem 0.85rem;
  border-top: 1px solid rgba(0, 56, 168, 0.08);
}

.srs-explainer-body p {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
}

.srs-explainer-body p strong {
  color: var(--text);
}

.srs-explainer-body ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.srs-explainer-body li {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.srs-explainer-body li strong {
  color: var(--text);
}

/* ── Memorized words section ──────────────────────────────── */

.memorized-section {
  margin-top: 1.5rem;
}

.memorized-count-badge {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.6rem;
  height: 1.6rem;
  padding: 0 0.45rem;
  background: #e8faf1;
  border: 1px solid #a3e6c3;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #0d5e38;
}

.memorized-empty {
  margin: 0;
}

/* ── All Vocabulary page ───────────────────────────────────── */

.all-vocab-browse-btn {
  width: 100%;
  padding: 0.85rem 1.25rem;
  background: var(--surface-soft);
  border: 1px solid rgba(0, 56, 168, 0.15);
  border-radius: 0.85rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.all-vocab-browse-btn:hover,
.all-vocab-browse-btn:focus-visible {
  background: #dce8ff;
  border-color: rgba(0, 56, 168, 0.3);
}

.all-vocab-save-btn {
  padding: 0.35rem 0.7rem;
  background: transparent;
  border: 1px solid rgba(0, 56, 168, 0.25);
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.all-vocab-save-btn:hover,
.all-vocab-save-btn:focus-visible {
  background: rgba(0, 56, 168, 0.08);
}

.all-vocab-save-btn.is-saved {
  background: #e8faf1;
  border-color: #a3e6c3;
  color: #0d5e38;
}

.my-list-empty .train-button {
  margin: 0.5rem auto 0;
  width: fit-content;
}

@media (max-width: 768px) {
  /* Sticky toolbar so Train is always reachable while scrolling */
  .my-list-toolbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--surface);
    border-radius: 0;
    border-left: none;
    border-right: none;
    margin-inline: -1rem;
    padding-inline: 1rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  }

  /* Larger checkbox touch area (44px min) */
  .my-list-select-all {
    gap: 0.6rem;
  }

  .my-list-select-all input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
  }

  /* Train button fills remaining space on mobile */
  .train-button {
    flex: 1;
    justify-content: center;
  }

  /* Convert table to stacked cards — no horizontal scroll */
  .my-list-table,
  .my-list-table tbody {
    display: block;
  }

  .my-list-table thead {
    display: none;
  }

  .my-list-row {
    display: grid;
    grid-template-columns: 2.75rem 1fr 2.75rem;
    grid-template-areas:
      "check word   remove"
      ".     meaning ."
      ".     root    ."
      ".     affixes .";
    align-items: start;
    gap: 0.25rem 0;
    padding: 0.85rem 0.5rem;
    margin-bottom: 0.5rem;
    border: 1px solid #e8e8e8;
    border-radius: var(--radius-soft);
    background: var(--surface);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
  }

  /* Row with no affixes collapses the empty grid row */
  .my-list-row.no-affixes {
    grid-template-areas:
      "check word   remove"
      ".     meaning ."
      ".     root    .";
  }

  .my-list-row:last-child {
    border-bottom: 1px solid #e8e8e8;
  }

  .my-list-row:hover {
    background: #f8fbff;
  }

  .my-list-row td {
    display: block;
    padding: 0;
    vertical-align: unset;
  }

  /* Checkbox cell — 44px touch target via padding */
  .my-list-row td:nth-child(1) {
    grid-area: check;
    align-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
  }

  .my-list-item-checkbox {
    width: 1.25rem;
    height: 1.25rem;
  }

  .my-list-row td:nth-child(2) { grid-area: word;    padding-top: 0.15rem; }
  .my-list-row td:nth-child(3) { grid-area: meaning; padding-top: 0.2rem; }
  .my-list-row td:nth-child(4) { grid-area: root;    padding-top: 0.1rem; }
  .my-list-row td:nth-child(5) { grid-area: affixes; padding-top: 0.1rem; }

  .my-list-meaning {
    font-size: 1rem;
    color: #333333;
    font-weight: 500;
  }

  /* Hide affix cell when word has no affixes */
  .my-list-row.no-affixes td:nth-child(5) {
    display: none;
  }

  /* Remove button — full 44px touch target */
  .my-list-row td:nth-child(6) {
    grid-area: remove;
    align-self: center;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
  }

  .my-list-remove {
    width: 2.75rem;
    height: 2.75rem;
  }

  /* Make word name more prominent in the card */
  .my-list-word-button {
    font-size: 1.05rem;
    font-weight: 700;
  }

  .my-list-affixes .morphology-breakdown {
    flex-wrap: wrap;
  }
}

/* ── Worksheets page ────────────────────────────────────────────────────────── */

.worksheets-page {
  padding-bottom: 0;
}

.worksheets-container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 2rem;
  box-sizing: border-box;
}

.worksheets-list-header {
  padding: 2.5rem 0 2rem;
  text-align: center;
}

.worksheets-list-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.worksheets-list-subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

.worksheets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding-bottom: 3rem;
}

.worksheet-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}

.worksheet-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.worksheet-card-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.worksheet-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.worksheet-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.worksheet-card-desc {
  font-size: 0.82rem;
  color: var(--muted);
}

.worksheets-detail-layout {
  display: flex;
  align-items: flex-start;
}

.worksheets-sidebar {
  width: 270px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.5rem 1.5rem 1.5rem 0;
  position: sticky;
  top: 65px;
  align-self: flex-start;
}

.worksheets-about-card {
  background: var(--surface-tint);
  border-radius: var(--radius-soft);
  padding: 0.75rem 1rem;
}

.worksheets-about-title {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 0.4rem;
}

.worksheets-mode-btn svg,
.worksheets-save-btn svg,
.worksheets-download-btn svg,
.worksheets-about-title svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.worksheets-about-desc {
  font-size: 0.82rem;
  color: var(--text);
  margin: 0;
  line-height: 1.45;
}

.worksheets-back-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.worksheets-back-btn:hover {
  text-decoration: underline;
}

.worksheets-save-btn {
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.25rem;
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease, color 0.15s ease;
}

.worksheets-save-btn:hover {
  background: var(--surface-tint);
}

.worksheets-save-btn.is-saved {
  background: #e8faf1;
  border-color: #0d8a52;
  color: #0d5e38;
}

.worksheets-download-btn {
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.25rem;
  background: var(--surface);
  color: var(--muted);
  border: 1.5px solid var(--surface-border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.worksheets-download-btn:hover {
  background: var(--surface-soft);
  color: var(--text);
  border-color: #bbb;
}

/* ── My Worksheets saved cards ───────────────────────────────────────────────── */

.my-saved-worksheet-card {
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  cursor: default;
}

.saved-ws-actions {
  display: flex;
  gap: 0.5rem;
  margin-left: auto;
  flex-shrink: 0;
}

.saved-ws-open-btn,
.saved-ws-delete-btn {
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.15s ease, background-color 0.15s ease;
}

.saved-ws-open-btn {
  background: var(--primary);
  color: #fff;
  border: none;
}

.saved-ws-open-btn:hover {
  opacity: 0.85;
}

.saved-ws-delete-btn {
  background: none;
  color: var(--muted);
  border: 1px solid #ddd;
}

.saved-ws-delete-btn:hover {
  color: var(--secondary);
  border-color: var(--secondary);
  background: rgba(206, 17, 38, 0.05);
}

.my-worksheets-empty {
  display: grid;
  gap: 0.5rem;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}

.my-worksheets-empty p {
  margin: 0;
  font-size: 1rem;
}

.my-worksheets-empty-hint {
  font-size: 0.88rem !important;
}

.worksheet-inline-content {
  padding-top: 1rem;
  padding-bottom: 3rem;
}

/* ── Draw mode ───────────────────────────────────────────────────────────── */

.worksheets-mode-group {
  display: flex;
  width: 100%;
}

.worksheets-mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  border-radius: 0;
  line-height: 1;
}

.worksheets-mode-btn:first-child {
  border-radius: 2rem 0 0 2rem;
}

.worksheets-mode-btn:last-child {
  border-radius: 0 2rem 2rem 0;
  margin-left: -1px;
}

.worksheets-mode-btn.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  position: relative;
  z-index: 1;
}

.worksheets-draw-toolbar {
  display: none;
  flex-direction: column;
  align-items: stretch;
  gap: 0.5rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--surface-border);
}

.draw-toolbar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.draw-color-btn {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--draw-swatch);
  border: 2.5px solid transparent;
  outline: 2px solid transparent;
  outline-offset: 1px;
  cursor: pointer;
  padding: 0;
  transition: outline-color 0.15s, transform 0.1s;
}

.draw-color-btn.is-active {
  outline-color: var(--primary);
  transform: scale(1.15);
}

.draw-toolbar-divider {
  width: 100%;
  height: 1px;
  background: var(--surface-border);
  flex-shrink: 0;
}

.draw-tool-btn {
  background: none;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 0.35rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  width: 100%;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.draw-tool-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.draw-tool-btn.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.worksheets-canvas-wrapper {
  position: relative;
  flex: 1;
  min-width: 0;
  padding-left: 1.5rem;
}

.worksheets-draw-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  touch-action: none;
  display: none;
  z-index: 2;
}

/* Mobile: stack sidebar above content */
@media (max-width: 640px) {
  .worksheets-detail-layout {
    flex-direction: column;
  }

  .worksheets-sidebar {
    width: 100%;
    position: static;
    padding: 1rem 1rem 1rem;
  }

  .worksheets-canvas-wrapper {
    padding-left: 0;
  }
}

@media (max-width: 768px) {
  .worksheets-container {
    padding-inline: 1rem;
  }

  .worksheets-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .worksheets-page {
    padding-inline: 0;
  }

  .worksheets-container {
    padding-inline: 0;
  }

  .worksheet-inline-content {
    padding-top: 0;
  }

  .worksheets-mode-btn {
    flex: 1;
  }

  .worksheets-save-btn {
    text-align: center;
  }
}

/* ── Add from My List button ─────────────────────────────────────────── */
.worksheets-add-list-btn {
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.25rem;
  background: var(--surface);
  color: var(--muted);
  border: 1.5px solid var(--surface-border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.worksheets-add-list-btn:hover {
  background: var(--surface-soft);
  color: var(--text);
  border-color: #bbb;
}
.worksheets-add-list-btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* ── Word tray ───────────────────────────────────────────────────────── */
.ws-word-tray {
  background: var(--surface-tint);
  border-radius: var(--radius-soft);
  padding: 0.6rem 0.75rem;
}
.ws-word-tray-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 0.45rem;
}
.ws-word-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.ws-word-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem 0.25rem 0.65rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  cursor: grab;
  user-select: none;
  transition: box-shadow 0.1s, opacity 0.1s;
}
.ws-word-chip:active {
  cursor: grabbing;
}
.ws-word-chip:hover {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}
.ws-chip-word-btn {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  font-weight: inherit;
  font-family: inherit;
  color: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}
.ws-chip-word-btn:hover {
  color: var(--primary);
}
.ws-chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  padding: 0;
  background: none;
  border: none;
  border-radius: 50%;
  font-size: 0.85rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.1s, color 0.1s;
}
.ws-chip-remove:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text);
}

/* ── Drop highlight ──────────────────────────────────────────────────── */
.ws-drop-active {
  outline: 2px dashed var(--primary) !important;
  outline-offset: 2px;
  background: var(--surface-tint) !important;
}

/* ── My List modal ───────────────────────────────────────────────────── */
.ws-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.ws-modal-card {
  background: var(--surface);
  border-radius: var(--radius-soft);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  width: 100%;
  max-width: 440px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.ws-modal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--surface-border);
  flex-shrink: 0;
}
.ws-modal-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}
.ws-modal-select-all {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}
.ws-modal-select-all input[type="checkbox"] {
  accent-color: var(--primary);
  cursor: pointer;
}
.ws-modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 0 0.15rem;
  font-family: inherit;
  transition: color 0.1s;
}
.ws-modal-close:hover {
  color: var(--text);
}
.ws-modal-body {
  overflow-y: auto;
  flex: 1;
  padding: 0.5rem 0;
}
.ws-modal-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  transition: background 0.1s;
}
.ws-modal-row:hover {
  background: var(--surface-tint);
}
.ws-modal-checkbox {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
  cursor: pointer;
}
.ws-modal-word {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}
.ws-modal-eng {
  font-size: 0.82rem;
  color: var(--muted);
}
.ws-modal-empty {
  padding: 1.5rem 1.25rem 0.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.ws-modal-empty-note {
  padding: 0 1.25rem 1.5rem;
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}
.ws-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  padding: 0.85rem 1.25rem;
  border-top: 1px solid var(--surface-border);
  flex-shrink: 0;
}
.ws-modal-cancel-btn {
  padding: 0.5rem 1.1rem;
  background: none;
  border: 1.5px solid var(--surface-border);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s, color 0.15s;
}
.ws-modal-cancel-btn:hover {
  border-color: #bbb;
  color: var(--text);
}
.ws-modal-done-btn {
  padding: 0.5rem 1.25rem;
  background: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.15s;
}
.ws-modal-done-btn:hover {
  opacity: 0.88;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(0.5rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── SRS Home Card ───────────────────────────────────────────────────────────── */

.srs-home-card {
  margin-bottom: 1.5rem;
}

.srs-home-empty {
  display: grid;
  gap: 0.35rem;
}

/* Hero message */

.srs-home-hero {
  margin: 0 0 0.2rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.srs-home-hero.is-done {
  color: #0d8a52;
}

.srs-hero-count {
  font-size: 2rem;
  font-weight: 800;
  color: #cc8000;
  line-height: 1;
  vertical-align: baseline;
  margin-right: 0.25rem;
}

.srs-home-sub {
  margin: 0 0 1rem;
}

/* Progress bar */

.srs-progress-bar {
  display: flex;
  height: 0.75rem;
  border-radius: 999px;
  overflow: hidden;
  background: #eeeeee;
  margin-bottom: 0.75rem;
}

.srs-bar-seg {
  height: 100%;
}

.srs-bar-due        { background: #f0c060; }
.srs-bar-upcoming   { background: #4cd98a; }
.srs-bar-unreviewed { background: #b0c4f8; }

/* Legend */

.srs-home-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.srs-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}

.srs-legend-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.srs-dot-due        { background: #f0c060; }
.srs-dot-upcoming   { background: #4cd98a; }
.srs-dot-unreviewed { background: #b0c4f8; }

/* CTA */

.srs-home-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
}

.srs-home-cta.is-done {
  background: linear-gradient(135deg, #0d8a52, #17aa69);
}

/* ── Review / SRS ────────────────────────────────────────────────────────────── */

.review-mount,
.review-session-mount {
  min-height: 100%;
}

.review-container {
  grid-template-columns: minmax(0, 1fr);
}

.review-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.review-heading {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
}

.review-due-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--surface-soft);
  border: 1px solid #e0e0e0;
  color: var(--muted);
}

.review-due-badge.is-due {
  background: #fff1d1;
  border-color: #f0c060;
  color: #7a5200;
}

.review-sub {
  margin: 0 0 1.5rem;
}

.review-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.review-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 1rem 0.75rem;
  background: var(--surface-soft);
  border: 1px solid #eeeeee;
  border-radius: var(--radius-soft);
  text-align: center;
}

.review-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.review-stat-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.review-start-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.review-caught-up {
  text-align: center;
  margin: 0;
}

.review-empty {
  display: grid;
  gap: 0.5rem;
  padding: 2rem 0;
  color: var(--muted);
}

.review-empty p {
  margin: 0;
}

.review-link {
  color: var(--primary);
  font-weight: 600;
}

/* Flash card */

.review-flash-card {
  padding: 2rem 1.75rem;
  animation: rise-in 0.3s ease both;
}

.review-flash-card.is-revealed {
  border-color: rgba(0, 56, 168, 0.18);
}

.review-show-btn {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.9rem;
  font-size: 1rem;
}

.review-answer {
  margin: 0.25rem 0 0.35rem;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.15;
}

.review-answer-meaning {
  margin: 0 0 0.75rem;
}

.review-morphology {
  margin-top: 0.5rem;
}

/* Rating section */

.review-rating-section {
  animation: rise-in 0.25s ease both;
}

.review-rating-label {
  margin: 0 0 0.6rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.review-rating-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.review-rating-btn {
  padding: 0.7rem 0.5rem;
  border-radius: var(--radius-soft);
  font-size: 0.88rem;
  font-weight: 700;
  border: 2px solid transparent;
  transition: opacity 0.15s ease, transform 0.1s ease;
  text-align: center;
}

.review-rating-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.srs-again {
  background: #fff0f0;
  border-color: #f5b8b8;
  color: #8b0000;
}

.srs-hard {
  background: #fff8e6;
  border-color: #f0d080;
  color: #7a5200;
}

.srs-good {
  background: #e8faf1;
  border-color: #a3e6c3;
  color: #0d5e38;
}

.srs-easy {
  background: var(--surface-tint);
  border-color: #b0c4f8;
  color: var(--primary);
}

/* Complete screen */

.review-complete-breakdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin: 1.25rem 0 1.5rem;
}

.review-complete-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1rem 0.5rem;
  border-radius: var(--radius-soft);
  border: 2px solid transparent;
  text-align: center;
}

.review-complete-count {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.review-complete-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.review-done-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
}

@media (max-width: 480px) {
  .review-rating-row {
    grid-template-columns: 1fr 1fr;
  }

  .review-complete-breakdown {
    grid-template-columns: 1fr 1fr;
  }

  .review-rating-btn {
    padding: 0.85rem 0.5rem;
  }

  .logo-img {
    height: 2.75rem;
  }

  .logo-text {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding-inline: 1rem;
  }

  .header-top {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    row-gap: 0.5rem;
    column-gap: 0.75rem;
  }

  .logo {
    grid-area: 1 / 1;
  }

  .user-actions {
    grid-area: 1 / 2 / auto / 4;
    justify-self: end;
  }

  .search-container {
    grid-area: 2 / 1 / auto / 3;
    width: 100%;
    max-width: 100%;
  }

  .hamburger-btn {
    display: flex;
    grid-area: 2 / 3;
    justify-self: end;
    padding-block: 0.75rem;
    margin-block: -0.75rem;
    box-sizing: content-box;
  }

  /* Mobile nav: hidden by default, slides open */
  .primary-nav {
    max-height: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height 0.3s ease;
  }

  .primary-nav.is-open {
    max-height: 40rem;
  }

  .main-menu {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 0 0.25rem;
    border-top: 1px solid var(--surface-border);
    margin-top: 0.75rem;
  }

  .main-menu > li {
    border-bottom: 1px solid #f0f0f0;
  }

  .main-menu > li:last-child {
    border-bottom: none;
  }

  .main-menu > li > a {
    display: block;
    padding: 0.75rem 0.25rem;
    font-size: 1rem;
  }

  /* has-dropdown: label + chevron row, dropdown wraps below */
  .has-dropdown {
    flex-wrap: wrap;
  }

  .nav-dropdown-label {
    flex: 1;
    padding: 0.75rem 0.25rem;
    font-size: 1rem;
  }

  .nav-dropdown-chevron {
    padding: 0.75rem 0.5rem;
    font-size: 0.9rem;
  }

  /* Inline expansion on mobile */
  .nav-dropdown {
    position: static;
    width: 100%;
    flex-basis: 100%;
    margin: 0;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    backdrop-filter: none;
    background: var(--surface-tint, #f8f9ff);
    display: none;
    transition: none;
  }

  .nav-dropdown.is-visible {
    display: block;
  }

  .nav-dropdown a {
    padding: 0.65rem 1.25rem;
  }

  .container {
    grid-template-columns: 1fr;
  }

  .page-shell {
    padding-inline: 1rem;
  }

  .site-footer {
    padding-inline: 1rem;
  }

  .word-panel {
    right: 1rem;
    left: 1rem;
    width: auto;
  }

  .grammar-lesson-grid {
    grid-template-columns: 1fr;
  }

  .grammar-page--with-sidebar .grammar-inner {
    flex-direction: column;
  }

  .grammar-sidebar {
    width: 100%;
    position: static;
    max-height: none;
    overflow: visible;
    box-sizing: border-box;
  }

  .grammar-word-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
  }

  .header-auth-btn {
    padding: 0.625rem 0.75rem;
  }

  .icon-button:not(.icon-button--active) {
    display: none;
  }

  .daily-actions {
    grid-template-columns: 1fr;
  }

  .exercise-save-btn,
  .exercise-next-btn {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
  }

  .grammar-sidebar-word {
    padding: 0.65rem 0.75rem;
    font-size: 0.9rem;
  }
}

/* ── Grammar Study ──────────────────────────────────────────────────────────── */

.grammar-page {
  padding-bottom: 3rem;
}

.grammar-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  box-sizing: border-box;
}

.grammar-page--with-sidebar .grammar-inner {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.grammar-page--with-sidebar .grammar-container {
  flex: 1 1 0;
  min-width: 0;
  padding-inline: 0;
}

.grammar-sidebar {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: 5rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 0.75rem;
  padding: 1rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
}

.grammar-sidebar-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.grammar-word-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.grammar-sidebar-word {
  width: 100%;
  justify-content: flex-start;
  padding: 0.4rem 0.6rem;
  font-size: 0.875rem;
}

.grammar-container {
  width: 100%;
  box-sizing: border-box;
}

/* List screen */

.grammar-list-header {
  padding: 2.5rem 0 2rem;
  text-align: center;
}

.grammar-list-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.grammar-list-subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

.grammar-lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding-bottom: 3rem;
}

.grammar-lesson-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 1rem 1.25rem;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}

.grammar-lesson-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}

.grammar-lesson-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}

.grammar-lesson-badge--large {
  width: 3rem;
  height: 3rem;
  font-size: 1.05rem;
}

.grammar-lesson-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.4;
}

/* Detail screen */

.grammar-top-bar {
  padding: 1.75rem 0 0.5rem;
}

.grammar-back-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.grammar-back-btn:hover {
  text-decoration: underline;
}

.grammar-lesson-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0 1rem;
  border-bottom: 2px solid var(--surface-border);
  margin-bottom: 1.5rem;
}

.grammar-lesson-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.grammar-lesson-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.grammar-lesson-meta {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}

.grammar-video-wrap {
  position: relative;
  margin-bottom: 1.75rem;
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #000;
  line-height: 0;
}

.grammar-video-label {
  position: absolute;
  top: 0.65rem;
  left: 0.75rem;
  z-index: 1;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  line-height: 1.4;
  pointer-events: none;
}

.grammar-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
}

.grammar-intro {
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.7;
  margin: 0 0 2rem;
}

/* Lesson body sections */

.grammar-body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 1rem;
}

.grammar-section {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.5rem;
}

.grammar-section--examples {
  background: var(--surface-tint);
  border-color: rgba(0, 56, 168, 0.15);
}

.grammar-section--rule {
  background: rgba(0, 56, 168, 0.06);
  border-color: var(--primary);
  border-left: 4px solid var(--primary);
  padding-left: 1.25rem;
}

.grammar-rule-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.grammar-rule-text {
  margin: 0;
  font-size: 0.975rem;
  color: var(--text);
  line-height: 1.65;
  font-weight: 500;
}

.grammar-section-bullets + .grammar-items-list {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--surface-border);
}

.grammar-rule-bullets,
.grammar-section-bullets {
  margin: 0.6rem 0 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.grammar-rule-bullets li,
.grammar-section-bullets li {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
}

.grammar-rule-bullets li {
  font-weight: 500;
}

.grammar-section-heading {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.grammar-section--examples .grammar-section-heading {
  color: var(--primary);
}

.grammar-section-intro {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.65;
  margin: 0 0 1rem;
}

/* Vocabulary item list */

.grammar-items-list,
.grammar-examples-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.grammar-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--surface-border);
}

.grammar-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.grammar-section--examples .grammar-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.7rem 0;
  border-color: rgba(0, 56, 168, 0.1);
}

.grammar-section--examples .grammar-item-tag {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.grammar-section--examples .grammar-item-en {
  font-size: 0.875rem;
  color: var(--muted);
}

.grammar-item-tag {
  font-weight: 700;
  color: var(--primary);
  font-size: 1rem;
}

.grammar-item-en {
  color: var(--muted);
  font-size: 0.9rem;
}

.grammar-item-example {
  grid-column: 1 / -1;
  font-size: 0.875rem;
  color: var(--primary);
  opacity: 0.8;
  font-style: italic;
  padding-top: 0.1rem;
}

/* Prev / Next nav */

.grammar-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--surface-border);
}

.grammar-nav-btn {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-soft);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}

.grammar-nav-btn:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--surface-tint);
}

.grammar-nav-btn:disabled {
  color: var(--muted);
  opacity: 0.4;
  cursor: default;
}

/* Practice CTA */

.grammar-practice-wrap {
  margin: 2.5rem 0 0;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  text-align: center;
}

.grammar-practice-prompt {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.grammar-master-btn {
  display: block;
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-soft);
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: opacity 0.15s;
}

.grammar-master-btn:hover {
  opacity: 0.88;
}

/* Exercise header */

.grammar-exercise-header {
  padding: 2rem 0 1.5rem;
}

.grammar-exercise-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.35rem;
}

.grammar-exercise-subtitle {
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
}

/* Exercise type selection */

.grammar-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding-bottom: 3rem;
}

.grammar-type-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  background: var(--surface);
  border: 1.5px solid var(--surface-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}

.grammar-type-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-soft);
  transform: translateY(-2px);
}

.grammar-type-label {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.grammar-type-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.55;
}

/* Exercise runner top bar */

.grammar-exercise-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.grammar-exercise-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--surface-tint);
  border: 1px solid rgba(0, 56, 168, 0.2);
  border-radius: var(--radius-pill);
  padding: 0.3rem 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Exercise loading */

.grammar-exercise-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 4rem 0;
  color: var(--muted);
}

.grammar-fitb-blank {
}

.grammar-exercise-error {
  color: var(--secondary);
  font-size: 0.95rem;
  padding: 2rem 0;
}

.grammar-fallback-notice {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
  margin: 0.5rem 0 0;
  padding: 0;
}

@media (max-width: 768px) {
  .grammar-type-grid {
    grid-template-columns: 1fr;
  }

  .grammar-options-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .grammar-page--with-sidebar .grammar-inner {
    flex-direction: column;
  }

  .grammar-page--with-sidebar .grammar-container {
    width: 100%;
  }

  .grammar-sidebar {
    width: 100% !important;
    align-self: stretch;
    position: static;
    max-height: none;
    overflow: visible;
    box-sizing: border-box;
    flex-shrink: 1;
  }

  .grammar-word-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
  }

  .grammar-sidebar-word {
    padding: 0.65rem 0.75rem;
    font-size: 0.9rem;
  }
}

/* ── Global search results ───────────────────────────────────────────────── */

.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 30;
  max-height: 28rem;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  box-shadow: 0 8px 32px rgba(9, 32, 63, 0.13);
  backdrop-filter: blur(12px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.search-results.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.search-results-group {
  padding: 0.5rem 0;
}

.search-results-group + .search-results-group {
  border-top: 1px solid var(--surface-border);
}

.search-results-group-title {
  padding: 0.35rem 1rem 0.2rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.search-result-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s ease;
}

.search-result-item:hover,
.search-result-item:focus-visible {
  background: var(--surface-tint);
  outline: none;
}

.search-result-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.search-result-sub {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

.search-results-empty {
  padding: 1.25rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

/* ── Auth modal ──────────────────────────────────────────────────────────────── */

.auth-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-backdrop.is-open {
  display: flex;
}

.auth-modal {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
}

.auth-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2rem;
  height: 2rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
}

.auth-modal-close:hover {
  color: var(--text);
  background: var(--surface-soft);
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--surface-border);
}

.auth-tabs button {
  background: none;
  border: none;
  padding: 0.6rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}

.auth-tabs button.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth-name-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
}

.auth-field label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.auth-field input,
.auth-field select {
  width: 100%;
  padding: 0.65rem 0.875rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-soft);
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.auth-field input:focus,
.auth-field select:focus {
  border-color: var(--primary);
}

.auth-password-row {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-soft);
  overflow: hidden;
  transition: border-color 0.2s;
}

.auth-password-row:focus-within {
  border-color: var(--primary);
}

.auth-password-row input {
  flex: 1;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.auth-password-row input:focus {
  border-color: transparent;
}

.auth-password-toggle {
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0 0.875rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s;
}

.auth-password-toggle:hover {
  color: var(--primary);
}

.auth-error {
  color: var(--secondary);
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0;
  padding: 0.5rem 0.75rem;
  background: rgba(206, 17, 38, 0.06);
  border-radius: var(--radius-soft);
  border-left: 3px solid var(--secondary);
}

.auth-success {
  color: #166534;
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0;
  padding: 0.5rem 0.75rem;
  background: rgba(22, 101, 52, 0.06);
  border-radius: var(--radius-soft);
  border-left: 3px solid #16a34a;
}

.auth-forgot {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.auth-submit {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-soft);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.auth-submit:hover {
  background: #002e8a;
}

.auth-submit:active {
  transform: scale(0.98);
}

.auth-switch-link {
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
  margin: 0;
}

.auth-link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  font-size: inherit;
  text-decoration: underline;
  padding: 0;
}

.user-avatar-btn {
  width: 2.75rem;
  height: 2.75rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.05em;
  transition: background 0.2s, transform 0.1s;
  flex-shrink: 0;
}

.user-avatar-btn:hover {
  background: #002e8a;
  transform: scale(1.05);
}

/* ── Profile page ────────────────────────────────────────────────────────────── */

.profile-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.5rem 5% 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.profile-page h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.profile-card {
  background: var(--surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem;
}

.profile-card--centered {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem 2rem;
}

.profile-card-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin: 0 0 1rem;
}

.profile-user-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.profile-avatar {
  width: 3.5rem;
  height: 3.5rem;
  flex-shrink: 0;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-avatar .icon {
  width: 2rem;
  height: 2rem;
}

.profile-user-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.profile-full-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.profile-detail {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
}

.profile-not-logged-in {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0;
}

.membership-badge {
  display: inline-block;
  padding: 0.3rem 0.875rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.membership-badge--free {
  background: var(--surface-soft);
  color: var(--muted);
  border: 1px solid var(--surface-border);
}

.membership-badge--premium {
  background: var(--accent);
  color: #5a3a00;
}

.membership-countdown {
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.membership-upgrade-note {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.profile-mylist-link {
  display: inline-block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  margin-bottom: 0.35rem;
}

.profile-mylist-link:hover {
  text-decoration: underline;
}

.profile-stat-list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.5rem;
  margin: 0;
}

.profile-stat-list dt {
  font-size: 0.875rem;
  color: var(--muted);
  font-weight: 500;
}

.profile-stat-list dd {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.profile-actions {
  display: flex;
  justify-content: flex-end;
}

.profile-logout-btn {
  padding: 0.6rem 1.5rem;
  background: none;
  border: 2px solid var(--secondary);
  color: var(--secondary);
  border-radius: var(--radius-soft);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.profile-logout-btn:hover {
  background: var(--secondary);
  color: #fff;
}

/* ── Talking page ──────────────────────────────────────────────────────────── */

.talking-container {
  grid-template-columns: minmax(0, 1fr);
}

.talking-header {
  text-align: center;
  margin-bottom: 2rem;
}

.talking-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin: 0 0 0.5rem;
}

.talking-subtitle {
  color: var(--muted);
  font-size: 1rem;
  margin: 0;
  max-width: 36rem;
  margin-inline: auto;
}

.talking-session-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 3rem 2rem;
  max-width: 36rem;
  margin-inline: auto;
  width: 100%;
}

/* ── Avatar + rings ─────────────────────────────────────────────────────────── */

.talking-avatar-wrap {
  position: relative;
  width: 8rem;
  height: 8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.talking-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  opacity: 0;
  pointer-events: none;
}

.talking-ring--1 {
  background: radial-gradient(circle, rgba(0, 56, 168, 0.15), transparent 70%);
  transform: scale(1);
}

.talking-ring--2 {
  background: radial-gradient(circle, rgba(0, 56, 168, 0.08), transparent 70%);
  transform: scale(1.3);
}

.talking-avatar {
  position: relative;
  z-index: 1;
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background: var(--surface-tint);
  border: 2px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.talking-avatar svg {
  width: 2.25rem;
  height: 2.25rem;
}

/* idle */
.talking-avatar-wrap[data-state="idle"] .talking-avatar {
  background: var(--surface-tint);
  border-color: var(--surface-border);
}

/* connecting */
.talking-avatar-wrap[data-state="connecting"] .talking-ring--1 {
  opacity: 1;
  animation: talking-pulse-slow 1.8s ease-in-out infinite;
}

.talking-avatar-wrap[data-state="connecting"] .talking-avatar {
  background: var(--surface-tint);
  border-color: var(--primary);
}

/* connected / user-speaking */
.talking-avatar-wrap[data-state="connected"] .talking-avatar,
.talking-avatar-wrap[data-state="user-speaking"] .talking-avatar {
  background: var(--surface-tint);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 56, 168, 0.12);
}

.talking-avatar-wrap[data-state="user-speaking"] .talking-ring--1 {
  opacity: 1;
  background: radial-gradient(circle, rgba(206, 17, 38, 0.18), transparent 70%);
  animation: talking-pulse-fast 0.8s ease-in-out infinite;
}

.talking-avatar-wrap[data-state="user-speaking"] .talking-ring--2 {
  opacity: 1;
  background: radial-gradient(circle, rgba(206, 17, 38, 0.08), transparent 70%);
  animation: talking-pulse-fast 0.8s ease-in-out 0.15s infinite;
}

.talking-avatar-wrap[data-state="user-speaking"] .talking-avatar {
  background: #fef2f2;
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(206, 17, 38, 0.12);
  color: var(--secondary);
}

/* ai-speaking */
.talking-avatar-wrap[data-state="ai-speaking"] .talking-ring--1 {
  opacity: 1;
  animation: talking-pulse-fast 0.9s ease-in-out infinite;
}

.talking-avatar-wrap[data-state="ai-speaking"] .talking-ring--2 {
  opacity: 1;
  animation: talking-pulse-fast 0.9s ease-in-out 0.2s infinite;
}

.talking-avatar-wrap[data-state="ai-speaking"] .talking-avatar {
  background: #eef2ff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 56, 168, 0.18);
}

@keyframes talking-pulse-slow {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%       { transform: scale(1.5); opacity: 0; }
}

@keyframes talking-pulse-fast {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50%       { transform: scale(1.6); opacity: 0; }
}

/* ── Status text ─────────────────────────────────────────────────────────────  */

.talking-status {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0;
  text-align: center;
  min-height: 1.5em;
  transition: color 0.25s;
}

/* ── Call button ─────────────────────────────────────────────────────────────── */

.talking-call-btn {
  padding: 0.85rem 2.5rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  transition: background 0.2s, transform 0.1s, opacity 0.2s;
  min-width: 13rem;
}

.talking-call-btn:hover:not(:disabled) {
  background: #002e8a;
}

.talking-call-btn:active:not(:disabled) {
  transform: scale(0.97);
}

.talking-call-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.talking-call-btn--end {
  background: var(--secondary);
}

.talking-call-btn--end:hover:not(:disabled) {
  background: #a90e1f;
}

.talking-call-btn--active {
  background: var(--muted);
}

/* ── Error ────────────────────────────────────────────────────────────────────  */

.talking-error {
  color: var(--secondary);
  font-size: 0.875rem;
  text-align: center;
  margin: 0;
  max-width: 28rem;
}

/* ── Transcript ───────────────────────────────────────────────────────────────  */

.talking-transcript {
  max-width: 36rem;
  margin: 1.5rem auto 0;
  width: 100%;
}

.talking-transcript-heading {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.talking-transcript-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 24rem;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.talking-msg {
  display: flex;
  gap: 0.625rem;
  align-items: flex-start;
  animation: rise-in 0.3s ease both;
}

.talking-msg--ai {
  flex-direction: row;
}

.talking-msg--user {
  flex-direction: row-reverse;
}

.talking-msg-label {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-pill);
  line-height: 1;
  margin-top: 0.2rem;
}

.talking-msg--ai .talking-msg-label {
  background: var(--surface-tint);
  color: var(--primary);
}

.talking-msg--user .talking-msg-label {
  background: #fef2f2;
  color: var(--secondary);
}

.talking-msg-body {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-soft);
  padding: 0.6rem 0.875rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text);
  max-width: 28rem;
}

.talking-msg--ai .talking-msg-body {
  border-radius: 0 var(--radius-soft) var(--radius-soft) var(--radius-soft);
}

.talking-msg--user .talking-msg-body {
  border-radius: var(--radius-soft) 0 var(--radius-soft) var(--radius-soft);
  background: var(--surface-tint);
  border-color: #dce3f8;
}

@media (max-width: 600px) {
  .talking-session-card {
    padding: 2rem 1.25rem;
  }

  .talking-title {
    font-size: 1.5rem;
  }
}