:root {
  color-scheme: light dark;
  --color-bg: #f5f6fa;
  --color-surface: #ffffff;
  --color-text: #1c1e26;
  --color-muted: #6b7280;
  --color-border: #e2e4ea;
  --color-primary: #4361ee;
  --color-primary-dark: #3346c4;
  --color-success: #2e9e5b;
  --color-warning: #e2b93a;
  --color-danger: #d64550;
  --radius: 14px;
  --box-0: #8c1a1a;
  --box-1: #d64550;
  --box-2: #e2703a;
  --box-3: #e2b93a;
  --box-4: #7cb342;
  --box-5: #2e9e5b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #14151c;
    --color-surface: #1d1f29;
    --color-text: #eceef4;
    --color-muted: #9aa0b0;
    --color-border: #2c2f3b;
  }
}

* {
  box-sizing: border-box;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  scroll-padding-top: 88px;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header,
.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-home-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.topbar-home-link:hover {
  opacity: 0.85;
}

.fiszki-logo-svg {
  display: block;
  height: 28px;
  width: auto;
  color: var(--color-text);
}

.fiszki-logo-mark {
  display: block;
  height: 28px;
  width: auto;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-links,
.topbar-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar,
.topbar-nav::-webkit-scrollbar {
  display: none;
}

.nav-link,
.nav-btn {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-block;
}

.nav-link:hover {
  background: var(--color-border);
}

.nav-link.is-active,
.nav-btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--color-primary);
  color: #fff;
  margin-inline-start: 8px;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  max-width: 780px;
  width: 100%;
  margin-inline: auto;
  padding: 20px;
}

.mode-section,
.view,
.topic-view {
  display: none;
}

.mode-section.is-active,
.view.is-active,
.topic-view.is-active {
  display: block;
}

/* ---------- Subnav ---------- */

.subnav {
  display: flex;
  gap: 8px;
  margin-block-end: 20px;
  flex-wrap: wrap;
}

.subnav-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

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

/* ---------- Cards & Dashboard Stats ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-block-end: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-block: 16px 24px;
}

.stat-card,
.stat-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
}

.stat-card strong,
.stat-val {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-card span,
.stat-label {
  color: var(--color-muted);
  font-size: 0.8rem;
}

.boxes-panel,
.boxes-breakdown {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-block-end: 24px;
}

.boxes-panel h2,
.boxes-panel h3,
.boxes-breakdown h2,
.boxes-breakdown h3 {
  margin-block-start: 0;
  font-size: 1.05rem;
}

.hint,
.next-due-hint {
  color: var(--color-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.next-due-hint {
  text-align: center;
  margin-block: 10px 16px;
}

.progress-chart-wrap {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-block-start: 16px;
}

.boxes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-width: 220px;
}

.box-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.box-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.box-label {
  flex: 1;
  font-size: 0.9rem;
  text-align: start;
}

.box-count {
  font-weight: 600;
  white-space: nowrap;
}

.box-percent {
  font-weight: 400;
  color: var(--color-muted);
  margin-inline-start: 2px;
}

.pie-chart {
  position: relative;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  flex-shrink: 0;
  background: conic-gradient(var(--color-border) 0% 100%);
}

.pie-chart-center,
.pie-chart-hole {
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.pie-chart-center strong,
.pie-chart-hole strong {
  font-size: 1.3rem;
  line-height: 1.1;
}

.pie-chart-center span,
.pie-chart-hole span {
  color: var(--color-muted);
  font-size: 0.7rem;
}

.session-actions,
.btn-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-block: 16px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, background-color 0.2s;
}

a.btn {
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-secondary {
  background: var(--color-border);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-success {
  background: var(--color-success);
  color: #fff;
}

.btn-link {
  background: transparent;
  color: var(--color-primary);
  padding: 8px 4px;
  text-decoration: none;
  display: inline-block;
}

.btn-wide {
  width: 100%;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.8rem;
}

/* ---------- Study Session & Flashcards ---------- */

.study-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-block-end: 20px;
}

.progress-track {
  flex: 1;
  height: 8px;
  border-radius: 999px;
  background: var(--color-border);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.2s ease;
}

#study-progress-label,
#vocab-progress-label {
  font-size: 0.85rem;
  color: var(--color-muted);
  white-space: nowrap;
  font-weight: 600;
}

.card-wrap {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.flashcard {
  position: relative;
  width: 100%;
  max-width: 480px;
  min-height: 240px;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.flashcard-level,
.card-level-dots {
  position: absolute;
  top: 14px;
  inset-inline-end: 16px;
  display: flex;
  gap: 4px;
}

.flashcard-level span,
.level-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-border);
}

.flashcard-level span.is-filled,
.level-dot.is-filled {
  background: var(--color-primary);
}

.flashcard-face {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.flashcard-back.is-hidden,
.flashcard-front.is-hidden {
  display: none;
}

.word-en,
.card-prompt {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0;
  word-break: break-word;
}

.word-pl,
.card-foreign {
  font-size: 1.4rem;
  margin: 0;
  color: var(--color-primary);
  font-weight: 600;
}

.word-meta,
.card-meta {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin: 0;
}

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

.word-pl-prompt {
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-primary);
  word-break: break-word;
}

.typing-verdict {
  margin: 0;
  font-weight: 600;
  font-size: 1.05rem;
}

.typing-verdict-exact {
  color: var(--color-success);
}

.typing-verdict-close {
  color: var(--box-3);
}

.typing-verdict-wrong {
  color: var(--color-danger);
}

.typing-you-typed {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.btn-speak,
.speak-btn {
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1rem;
}

.row-speak-btn,
.speak-btn-inline {
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1rem;
  padding: 2px 6px;
}

.study-controls {
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.grade-buttons {
  display: flex;
  gap: 12px;
}

.grade-buttons .btn {
  flex: 1;
}

#typing-form,
#vocab-typing-form,
#grammar-typing-form,
#custom-typing-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-text,
.typing-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.1rem;
  text-align: center;
}

.input-text {
  border-radius: 8px;
  text-align: start;
}

.typing-input:disabled,
.typing-input:read-only,
.input-text:read-only {
  opacity: 0.6;
}

form.is-answered button[type="submit"] {
  display: none;
}

.feedback-banner {
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 600;
  margin-block: 12px;
  text-align: center;
}

.feedback-exact {
  background: #e8f5e9;
  color: #2e7d32;
}

.feedback-close {
  background: #fff8e1;
  color: #f57f17;
}

.feedback-wrong {
  background: #ffebee;
  color: #c62828;
}

.summary-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  max-width: 480px;
  margin: 40px auto 0;
}

/* ---------- Browse / Dictionary ---------- */

.browse-toolbar,
.browse-controls {
  margin-block-end: 16px;
}

#browse-search {
  width: 100%;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.95rem;
  text-align: start;
}

.browse-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

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

.browse-table th,
.browse-table td {
  padding: 10px 12px;
  text-align: start;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.browse-table td:nth-child(4) {
  white-space: normal;
}

.browse-table tbody tr:last-child td {
  border-bottom: none;
}

.browse-pagination,
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-block-start: 12px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.level-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

/* ---------- Tabs & Grammar ---------- */

.tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--color-border);
  margin-block-end: 16px;
}

.tab-btn {
  padding: 8px 16px;
  border: none;
  background: transparent;
  font-size: 1rem;
  color: var(--color-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-block-end: -2px;
}

.tab-btn.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.topic-card {
  text-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--color-text);
  text-decoration: none;
}

.topic-card:hover {
  border-color: var(--color-primary);
}

.topic-card-icon {
  font-size: 1.8rem;
}

.topic-card-title {
  font-weight: 700;
  font-size: 1.1rem;
}

.topic-card-desc {
  color: var(--color-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.topic-card-progress {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
}

.topic-detail-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-block-end: 16px;
}

.topic-rule-row {
  display: flex;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.topic-rule-row:last-child {
  border-bottom: none;
}

.topic-rule-label {
  flex: 0 0 110px;
  color: var(--color-muted);
}

.grammar-prompt {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.5;
  word-break: break-word;
}

.grammar-answer {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-primary);
  word-break: break-word;
}

.quiz-card {
  min-height: 160px;
}

.quiz-choices {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-choice-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  padding: 14px 18px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
  text-align: start;
}

.quiz-choice-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
}

.quiz-choice-correct {
  border-color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 15%, var(--color-surface));
}

.quiz-choice-wrong {
  border-color: var(--color-danger);
  background: color-mix(in srgb, var(--color-danger) 15%, var(--color-surface));
}

/* ---------- Settings & Speak Triggers ---------- */

.settings-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-block-end: 20px;
}

.settings-group h3 {
  margin-block-start: 0;
}

.settings-row,
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-block-end: 14px;
}

.settings-row select,
.setting-row select,
.settings-row input[type="number"],
.setting-row input[type="number"],
.settings-row input[type="password"],
.setting-row input[type="password"] {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  min-width: 160px;
}

.settings-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-block-end: 14px;
}

.speak-triggers {
  display: grid;
  gap: 12px;
}

.speak-category {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 14px 2px;
  margin: 0;
  min-width: 0;
}

.speak-category-toggle,
.speak-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
}

.speak-category legend {
  float: inline-start;
  width: 100%;
  padding: 0 0 10px;
  font-weight: 600;
}

.speak-category legend + * {
  clear: both;
}

.speak-option {
  padding: 10px 0;
  border-top: 1px solid var(--color-border);
}

.ios-toggle,
.switch {
  --toggle-on: #34c759;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex-shrink: 0;
  width: 51px;
  height: 31px;
  margin: 0;
  border-radius: 999px;
  background: #e9e9eb;
  box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: background-color 0.25s ease;
}

.ios-toggle::before,
.switch-slider {
  content: "";
  position: absolute;
  top: 2px;
  inset-inline-start: 2px;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15), 0 1px 1px rgba(0, 0, 0, 0.16);
  transition: transform 0.25s ease;
}

.ios-toggle:checked {
  background: var(--toggle-on);
}

.ios-toggle:checked::before {
  transform: translateX(20px);
}

html[dir="rtl"] .ios-toggle:checked::before {
  transform: translateX(-20px);
}

.ios-toggle:indeterminate {
  background: #a6e3b6;
}

.ios-toggle:indeterminate::before {
  transform: translateX(10px);
}

html[dir="rtl"] .ios-toggle:indeterminate::before {
  transform: translateX(-10px);
}

@media (prefers-color-scheme: dark) {
  .ios-toggle {
    background: #39393d;
  }
  .ios-toggle:checked {
    --toggle-on: #30d158;
  }
  .ios-toggle:indeterminate {
    background: #1f6b34;
  }
}

/* ---------- Custom Flashcards & Bulk Modal ---------- */

.custom-categories-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.2rem;
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.category-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.category-card-name {
  font-weight: 600;
  font-size: 1.05rem;
}

.category-card-count {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.category-card-progress {
  height: 4px;
  border-radius: 2px;
  background: var(--color-border);
  overflow: hidden;
}

.category-card-progress-bar {
  height: 100%;
  background: var(--box-5);
  transition: width 0.3s;
}

.modal,
.bulk-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.28);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
  max-width: 680px;
}

/* ---------- Dropdown & Footer ---------- */

.dropdown-container {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  inset-inline-end: 0;
  margin-block-start: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  min-width: 200px;
  overflow: hidden;
  z-index: 100;
}

.dropdown-item {
  padding: 10px 16px;
  text-align: start;
  background: none;
  border: none;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--color-text);
  width: 100%;
  text-decoration: none;
}

.dropdown-item:hover {
  background: var(--color-bg);
}

.site-footer,
.footer {
  margin-block-start: auto;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  padding: 20px;
  font-size: 0.85rem;
  text-align: center;
}

.sync-status {
  position: fixed;
  bottom: 12px;
  inset-inline-end: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--color-muted);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.grade-buttons.is-hidden,
.is-hidden {
  display: none !important;
}

@media (max-width: 640px) {
  html.is-studying {
    scroll-padding-top: 0;
  }
  html.is-studying header,
  html.is-studying .topbar {
    position: static;
  }
  html.is-studying .view.is-active {
    min-height: 100vh;
    min-height: 100dvh;
  }
}

@media (max-width: 480px) {
  .word-en,
  .card-prompt {
    font-size: 1.7rem;
  }

  .progress-chart-wrap {
    justify-content: center;
    text-align: center;
  }

  .pie-chart {
    margin-inline: auto;
  }

  .boxes-list {
    min-width: 0;
    width: 100%;
    text-align: start;
  }

  .session-actions {
    flex-direction: column;
  }

  .session-actions .btn {
    width: 100%;
  }
}

/* ---------- Auth Alerts in Settings ---------- */

.auth-error-message {
  background: color-mix(in srgb, var(--color-danger) 12%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-danger) 35%, transparent);
  color: var(--color-danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-block-end: 14px;
}

.auth-success-message {
  background: color-mix(in srgb, var(--color-success) 12%, var(--color-surface));
  border: 1px solid color-mix(in srgb, var(--color-success) 35%, transparent);
  color: var(--color-success);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-block-end: 14px;
}

/* ---------- Homepage / Landing Page ---------- */

.main-content:has(#view-home.is-active) {
  max-width: 1080px;
  padding: 24px 20px 64px;
}

.landing-page {
  display: flex;
  flex-direction: column;
  gap: 56px;
  width: 100%;
}

.landing-hero {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-primary) 9%, var(--color-surface)) 0%,
    var(--color-surface) 100%
  );
  border: 1px solid color-mix(in srgb, var(--color-primary) 22%, var(--color-border));
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.landing-hero-content {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.landing-hero-title,
.landing-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 18px 0;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.landing-hero-lead,
.landing-lead {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0 0 32px 0;
  max-width: 760px;
}

.landing-cta-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-block-end: 36px;
  width: 100%;
}

.landing-cta-primary {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
  padding: 13px 28px;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 14px rgba(67, 97, 238, 0.3);
}

.landing-cta-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(67, 97, 238, 0.4);
}

.landing-cta-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.landing-cta-secondary:hover {
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface));
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.landing-badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
  margin-block-start: 8px;
}

.landing-badge-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.landing-badge-val {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.landing-badge-lbl {
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
  line-height: 1.35;
}

.landing-section {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.landing-section-header {
  text-align: center;
  max-width: 820px;
  margin-inline: auto;
}

.landing-section-header h2 {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 12px 0;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.landing-section-header p {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
}

.landing-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: 100%;
}

.landing-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.landing-step:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border));
}

.landing-step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: 14px;
}

.landing-step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: var(--color-text);
}

.landing-step p {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-muted);
  margin: 0;
}

.landing-method-grid,
.landing-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.landing-method-card,
.landing-feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.landing-method-card h3,
.landing-feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
  line-height: 1.35;
}

.landing-method-card p,
.landing-feature-card p {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-muted);
  margin: 0;
}

.landing-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
  margin-inline: auto;
  width: 100%;
}

.landing-faq-item,
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.landing-faq-item[open],
.faq-item[open] {
  border-color: color-mix(in srgb, var(--color-primary) 40%, var(--color-border));
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.landing-faq-item summary,
.faq-item summary {
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--color-text);
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  gap: 12px;
  transition: background 0.15s;
}

.landing-faq-item summary::-webkit-details-marker,
.faq-item summary::-webkit-details-marker {
  display: none;
}

.landing-faq-item summary::after,
.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: transform 0.2s;
  line-height: 1;
}

.landing-faq-item[open] summary::after,
.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  color: var(--color-primary);
}

.landing-faq-item .faq-item-content,
.faq-item .faq-item-content {
  padding: 14px 20px 18px;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  border-top: 1px solid color-mix(in srgb, var(--color-border) 60%, transparent);
}

.landing-faq-item .faq-item-content p,
.faq-item .faq-item-content p {
  margin: 0;
}

.landing-final-cta {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-primary) 12%, var(--color-surface)) 0%,
    color-mix(in srgb, var(--color-primary) 4%, var(--color-surface)) 100%
  );
  border: 1px solid color-mix(in srgb, var(--color-primary) 28%, var(--color-border));
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.landing-final-cta-content {
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.landing-final-cta-content h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 14px 0;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.landing-final-cta-content p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0 0 28px 0;
}

@media (max-width: 768px) {
  .landing-page {
    gap: 40px;
  }

  .landing-hero,
  .landing-final-cta {
    padding: 30px 16px;
  }

  .landing-hero-title,
  .landing-title {
    font-size: 1.6rem;
  }

  .landing-badges {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .landing-steps,
  .landing-method-grid,
  .landing-features-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}