/* ==========================================================================
   Driving Tester Ireland — Mobile-First Responsive Stylesheet
   Theme: #1a73e8 (blue) · Clean modern design
   Supports: LTR (English) + RTL (Arabic)
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #1a73e8;
  --color-primary-dark: #1558b0;
  --color-primary-light: #e8f0fe;
  --color-success: #1e8e3e;
  --color-success-light: #e6f4ea;
  --color-danger: #d93025;
  --color-danger-light: #fce8e6;
  --color-warning: #f9ab00;
  --color-warning-light: #fef7e0;
  --color-text: #202124;
  --color-text-secondary: #5f6368;
  --color-border: #dadce0;
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-overlay: rgba(0, 0, 0, 0.5);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.16);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans Arabic", sans-serif;
  --transition: 0.2s ease;
  --tap-min: 44px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, select { font-family: inherit; font-size: 1rem; }

h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--color-text); }
h2 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.75rem; color: var(--color-text); }
h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }

/* ---------- Layout ---------- */
#app { min-height: 100vh; display: flex; flex-direction: column; }
#driving-app { min-height: 100vh; display: flex; flex-direction: column; }

.main-content {
  flex: 1;
  padding: 1rem;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
}

.view { padding-bottom: 2rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: var(--tap-min);
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-primary-light); }

.btn-sm {
  min-height: var(--tap-min);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-block { width: 100%; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  padding: 0.5rem;
  background: none;
  border: none;
  font-size: 1.25rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.btn-icon:hover { background: var(--color-primary-light); }

.btn-lang {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  font-weight: 600;
  min-height: var(--tap-min);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}
.btn-lang:hover { background: var(--color-primary); color: #fff; }

/* ---------- NavBar ---------- */
.navbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
}

.navbar-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}
.navbar-logo:hover { text-decoration: none; color: var(--color-primary); }

.navbar-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: var(--tap-min);
  height: var(--tap-min);
  padding: 0.5rem;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.navbar-burger:hover { background: var(--color-bg); }
.navbar-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.navbar-menu {
  display: none;
  flex-direction: column;
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--color-border);
}
.navbar-menu.open { display: flex; }

.navbar-links {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}
.navbar-links a {
  display: flex;
  align-items: center;
  min-height: var(--tap-min);
  padding: 0.5rem 0.75rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.navbar-links a:hover,
.navbar-links a.router-link-active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.navbar-streak {
  font-weight: 600;
  font-size: 0.9375rem;
}

.navbar-user {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 160px;
}

/* ---------- Auth Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
  animation: fadeIn 0.2s ease;
}

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  width: 100%;
  max-width: 420px;
  position: relative;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: var(--tap-min);
  height: var(--tap-min);
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.modal-close:hover { background: var(--color-bg); }

[dir="rtl"] .modal-close { right: auto; left: 0.75rem; }

.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 0.375rem;
}
.form-group input {
  width: 100%;
  min-height: var(--tap-min);
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted, #888);
  margin-top: 0.25rem;
}

.auth-switch {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.auth-switch a { font-weight: 600; }

/* ---------- Alerts ---------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.alert-error {
  background: var(--color-danger-light);
  color: var(--color-danger);
  border: 1px solid var(--color-danger);
}

/* ---------- Test Selector / Home ---------- */
.test-selector { text-align: center; }
.test-selector h1 { font-size: 1.75rem; margin-bottom: 1.5rem; }

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.mode-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}

.mode-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.mode-card h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.mode-card p { font-size: 0.8125rem; color: var(--color-text-secondary); margin: 0; }

/* ---------- Question Card ---------- */
.question-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.question-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
}

.question-actions {
  display: flex;
  gap: 0.25rem;
}

.question-image {
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  max-height: 240px;
  object-fit: contain;
  width: 100%;
}

.question-text {
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.option-btn {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: var(--tap-min);
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  text-align: start;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
  cursor: pointer;
}
.option-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.option-btn:disabled { cursor: default; opacity: 0.85; }

.option-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}
.option-btn.correct {
  border-color: var(--color-success);
  background: var(--color-success-light);
  color: var(--color-success);
  font-weight: 600;
}
.option-btn.incorrect {
  border-color: var(--color-danger);
  background: var(--color-danger-light);
  color: var(--color-danger);
  font-weight: 600;
}

/* ---------- Feedback ---------- */
.feedback {
  margin-top: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  line-height: 1.5;
}
.correct-feedback {
  background: var(--color-success-light);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}
.incorrect-feedback {
  background: var(--color-danger-light);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
}
.feedback p { margin-top: 0.375rem; color: var(--color-text); }

/* ---------- Quiz Navigator ---------- */
.quiz-navigator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
}

.quiz-nav-center {
  flex: 1;
  text-align: center;
}

.quiz-counter {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 0.375rem;
}

.quiz-jump-input {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  border: 1.5px solid var(--color-border);
  border-radius: 6px;
  padding: 0.2rem 0.25rem;
  background: var(--color-surface);
  outline: none;
  -moz-appearance: textfield;
  appearance: textfield;
}

.quiz-jump-input::-webkit-inner-spin-button,
.quiz-jump-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.quiz-jump-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* ---------- Question Browser ---------- */
.browser-filters {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.filter-select {
  width: 100%;
  min-height: var(--tap-min);
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.9375rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235f6368' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.5rem;
}
[dir="rtl"] .filter-select {
  background-position: left 0.875rem center;
  padding-right: 0.875rem;
  padding-left: 2.5rem;
}

.status-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- Mock Test ---------- */
/* ---------- Test Start Hero ---------- */
.test-start {
  text-align: center;
  padding: 2rem 0;
}

.test-start-hero {
  max-width: 480px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  animation: lp-fadeUp 0.5s ease both;
}

.test-start-icon {
  display: block;
  font-size: 3.5rem;
  margin-bottom: 1rem;
  animation: lp-float 3s ease-in-out infinite;
}

.test-start-hero h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  text-align: center;
}

.test-start-desc {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.test-start-details {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.test-start-detail {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: 0.5rem 0.875rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

.test-detail-icon {
  font-size: 1rem;
}

.test-start p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.test-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.timer {
  font-size: 1.125rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

.q-nav-strip {
  display: flex;
  gap: 0.375rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0.5rem 0;
  margin-bottom: 1rem;
}

.q-nav-strip::-webkit-scrollbar {
  display: none;
}

.q-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  transition: all var(--transition);
  cursor: pointer;
}
.q-nav-btn:hover { border-color: var(--color-primary); }
.q-nav-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.q-nav-btn.answered {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.mock-question { margin-bottom: 1rem; }

.test-nav {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.75rem;
}

/* ---------- Test Results (shared by Mock, Bite, Speed) ---------- */
.test-results {
  text-align: center;
  padding: 1.5rem 0;
}

.result-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem;
  margin: 1.25rem 0;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
}
.result-score.pass { border-color: var(--color-success); background: var(--color-success-light); }
.result-score.fail { border-color: var(--color-danger); background: var(--color-danger-light); }

.big-score {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-text);
}
.result-score.pass .big-score { color: var(--color-success); }
.result-score.fail .big-score { color: var(--color-danger); }

.pass-label {
  font-size: 1.125rem;
  font-weight: 600;
}
.result-score.pass .pass-label { color: var(--color-success); }
.result-score.fail .pass-label { color: var(--color-danger); }

.cat-result {
  display: flex;
  justify-content: space-between;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}
.cat-result:last-child { border-bottom: none; }

.result-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
  align-items: center;
}

.btn-share {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border: none;
  padding: 0.625rem 1.5rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-share:hover {
  opacity: 0.9;
}

/* ---------- Speed Test ---------- */
.speed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.lives { font-size: 1.25rem; letter-spacing: 0.125rem; }

.speed-score {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
}

/* ---------- Progress Dashboard ---------- */
.login-required {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-text-secondary);
}

.progress-content h2 {
  margin-top: 1.5rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 500;
}

/* Category breakdown bars */
.category-bars { margin-bottom: 1rem; }

.section-desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: -0.25rem 0 0.75rem;
}

.cat-bar-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--color-border);
}

.cat-bar-row:last-child {
  border-bottom: none;
}

.cat-bar-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.cat-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
}

.cat-pct {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.cat-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}
.cat-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* Mock history */
.mock-history { margin-bottom: 1rem; }

.chart-container {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
  overflow: hidden;
}

.chart-container canvas {
  display: block;
  width: 100%;
}

.mock-result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}
.mock-result-row:last-child { border-bottom: none; }

.mock-date {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  flex: 1;
  min-width: 0;
}

.mock-score {
  font-weight: 600;
  white-space: nowrap;
}

.pass-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  background: var(--color-success-light);
  color: var(--color-success);
}
.fail-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.empty-text {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  padding: 1rem 0;
}

/* ---------- Loading & Empty States ---------- */
.loading {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.empty {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-secondary);
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- RTL Support ---------- */
[dir="rtl"] {
  text-align: right;
}

[dir="rtl"] .navbar-links a {
  text-align: right;
}

[dir="rtl"] .question-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .question-actions {
  flex-direction: row-reverse;
}

[dir="rtl"] .option-btn {
  text-align: right;
}

[dir="rtl"] .test-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .speed-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .cat-result {
  flex-direction: row-reverse;
}

[dir="rtl"] .mock-result-row {
  flex-direction: row-reverse;
}

[dir="rtl"] .navbar-actions {
  flex-direction: row-reverse;
}

[dir="rtl"] .browser-filters {
  text-align: right;
}

[dir="rtl"] .status-filters {
  flex-direction: row-reverse;
}

[dir="rtl"] .result-actions {
  direction: rtl;
}

[dir="rtl"] .feedback {
  text-align: right;
}

[dir="rtl"] .auth-switch {
  text-align: center;
}

[dir="rtl"] .form-group label {
  text-align: right;
}

[dir="rtl"] .form-group input {
  text-align: right;
}

[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3 {
  text-align: right;
}

[dir="rtl"] .test-selector h1,
[dir="rtl"] .test-results h2,
[dir="rtl"] .test-start p {
  text-align: center;
}

/* ==========================================================================
   Responsive Breakpoints — Tablet (600px+)
   ========================================================================== */
@media (min-width: 600px) {
  h1 { font-size: 1.75rem; }
  .test-selector h1 { font-size: 2rem; }

  .main-content { padding: 1.5rem; }

  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stats-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .browser-filters {
    flex-direction: row;
    align-items: center;
  }
  .filter-select { width: auto; min-width: 220px; }

  .result-actions {
    flex-direction: row;
    justify-content: center;
  }

  .q-nav-strip {
    flex-wrap: nowrap;
    overflow-x: auto;
  }
  .question-image { max-height: 320px; }
}

/* ==========================================================================
   Responsive Breakpoints — Desktop (900px+)
   ========================================================================== */
@media (min-width: 900px) {
  /* NavBar becomes horizontal */
  .navbar {
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
  }

  .navbar-brand { padding: 0.75rem 0; }

  .navbar-burger { display: none; }

  .navbar-menu {
    display: flex !important;
    flex-direction: row;
    align-items: center;
    flex: 1;
    padding: 0;
    border-top: none;
    gap: 1rem;
  }

  .navbar-links {
    flex-direction: row;
    gap: 0.25rem;
    margin-bottom: 0;
    flex: 1;
  }
  .navbar-links a {
    min-height: 36px;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
  }

  .navbar-actions {
    padding-top: 0;
    border-top: none;
    flex-wrap: nowrap;
  }

  /* Grid layouts */
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stats-row {
    grid-template-columns: repeat(5, 1fr);
  }

  .main-content { padding: 2rem; }

  .question-card { padding: 1.5rem; }
}

/* ==========================================================================
   Responsive Breakpoints — Wide Desktop (1200px+)
   ========================================================================== */
@media (min-width: 1200px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Accessibility — Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  .navbar, .navbar-burger, .quiz-navigator, .test-nav, .result-actions { display: none; }
  .main-content { max-width: 100%; padding: 0; }
  .question-card { box-shadow: none; border: 1px solid #ccc; }
}

/* ---------- Speed Test Timer Overlay ---------- */
.speed-game-area {
  position: relative;
  isolation: isolate;
}

.speed-timer-overlay {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: rgba(220, 38, 38, 0.12);
  pointer-events: none;
  z-index: 0;
  transition: background 0.3s ease;
}

.speed-timer-overlay.timer-danger {
  background: rgba(220, 38, 38, 0.22);
}

.speed-content {
  position: relative;
  z-index: 1;
}

/* ---------- Question Report ---------- */
.report-list {
  text-align: start;
  margin-top: 0.75rem;
  margin-bottom: 1.5rem;
}

.report-item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  padding: 0.875rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
}

.report-item.report-correct {
  border-left: 4px solid var(--color-success);
}

.report-item.report-wrong {
  border-left: 4px solid var(--color-danger);
}

[dir="rtl"] .report-item.report-correct {
  border-left: 1.5px solid var(--color-border);
  border-right: 4px solid var(--color-success);
}

[dir="rtl"] .report-item.report-wrong {
  border-left: 1.5px solid var(--color-border);
  border-right: 4px solid var(--color-danger);
}

.report-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.report-num {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.report-icon {
  font-size: 1.125rem;
}

.report-question-text {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text);
}

.report-question-image {
  max-width: 220px;
  height: auto;
  border-radius: 6px;
  margin-top: 0.25rem;
  object-fit: contain;
}

.report-answers {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.report-answer {
  font-size: 0.8125rem;
  line-height: 1.4;
  padding: 0.375rem 0.625rem;
  border-radius: 4px;
}

.report-answer span {
  font-weight: 600;
}

.report-answer.wrong {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.report-answer.right {
  background: var(--color-success-light);
  color: var(--color-success);
}

.report-item.report-skipped {
  border-left: 4px solid var(--color-warning);
}

[dir="rtl"] .report-item.report-skipped {
  border-left: 1.5px solid var(--color-border);
  border-right: 4px solid var(--color-warning);
}

.report-answer.skipped {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

/* ---------- TTS Floating Player ---------- */
.tts-player {
  position: fixed;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  transition: bottom 0.3s ease;
  pointer-events: none;
}

.tts-player.tts-visible {
  bottom: 1rem;
  pointer-events: auto;
}

.tts-player-inner {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  max-width: 90vw;
}

.tts-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  animation: tts-pulse 1.2s ease-in-out infinite;
}

@keyframes tts-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.tts-text {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.tts-stop {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  background: var(--color-danger-light);
  color: var(--color-danger);
  border: none;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}

.tts-stop:hover {
  background: var(--color-danger);
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  .tts-icon { animation: none; }
}

/* ==========================================================================
   Landing Page
   ========================================================================== */

.landing-page {
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.lp-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 1.5rem 2rem;
  min-height: 85vh;
  overflow: hidden;
}

.lp-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 50%, #1565c0 100%);
  z-index: 0;
}

.lp-hero-bg::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  animation: lp-float 8s ease-in-out infinite;
}

.lp-hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  animation: lp-float 10s ease-in-out infinite reverse;
}

@keyframes lp-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.lp-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  animation: lp-fadeUp 0.8s ease both;
}

@keyframes lp-fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.lp-hero-badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: lp-fadeUp 0.8s ease 0.1s both;
}

.lp-hero-title {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1rem;
  animation: lp-fadeUp 0.8s ease 0.2s both;
}

.lp-hero-subtitle {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.6;
  margin-bottom: 2rem;
  animation: lp-fadeUp 0.8s ease 0.3s both;
}

.lp-hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  animation: lp-fadeUp 0.8s ease 0.4s both;
}

.btn-lg {
  min-height: 52px;
  padding: 0.875rem 2rem;
  font-size: 1.0625rem;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.lp-hero-actions .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.lp-hero-actions .btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}

.lp-btn-glow {
  box-shadow: 0 4px 20px rgba(26, 115, 232, 0.4);
  transition: box-shadow 0.3s ease, transform 0.2s ease, background 0.2s ease;
}
.lp-btn-glow:hover {
  box-shadow: 0 6px 30px rgba(26, 115, 232, 0.55);
  transform: translateY(-2px);
}

.lp-hero-lang {
  margin-top: 1.5rem;
  animation: lp-fadeUp 0.8s ease 0.5s both;
}

.lp-lang-link {
  color: rgba(255,255,255,0.7);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  transition: all 0.2s ease;
  text-decoration: none;
}
.lp-lang-link:hover {
  color: #fff;
  border-color: #fff;
  background: rgba(255,255,255,0.1);
  text-decoration: none;
}

/* ---------- Phone Mockup ---------- */
.lp-hero-visual {
  position: relative;
  z-index: 1;
  margin-top: 2.5rem;
  animation: lp-fadeUp 1s ease 0.6s both;
}

.lp-phone-mockup {
  width: 220px;
  margin: 0 auto;
  background: #111;
  border-radius: 28px;
  padding: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.lp-phone-screen {
  background: #fff;
  border-radius: 18px;
  padding: 1.25rem 1rem;
}

.lp-phone-q {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.lp-phone-img {
  width: 100%;
  max-height: 100px;
  object-fit: contain;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.lp-phone-opt {
  font-size: 0.75rem;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.375rem;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-secondary);
}

.lp-phone-opt-correct {
  border-color: var(--color-success);
  background: var(--color-success-light);
  color: var(--color-success);
  font-weight: 600;
}

/* ---------- Stats Bar ---------- */
.lp-stats {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.lp-stats.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

.lp-stats-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.lp-stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.lp-stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Section Titles ---------- */
.lp-section-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.lp-section-subtitle {
  text-align: center;
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

/* ---------- Features Grid ---------- */
.lp-features {
  padding: 3rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.lp-features.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

.lp-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.lp-feature-card {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  opacity: 0;
  animation: lp-cardIn 0.5s ease forwards;
}

.lp-visible .lp-feature-card {
  opacity: 1;
}

@keyframes lp-cardIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.lp-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.lp-feature-clickable {
  cursor: pointer;
}

.lp-feature-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.75rem;
}

.lp-feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.lp-feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ---------- How It Works ---------- */
.lp-how {
  padding: 3rem 1.5rem;
  background: var(--color-bg);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.lp-how.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

.lp-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.lp-step {
  text-align: center;
  padding: 1.25rem;
}

.lp-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.lp-step h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.375rem;
}

.lp-step p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ---------- Why Us ---------- */
.lp-why {
  padding: 3rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.lp-why.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

.lp-why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.lp-why-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.lp-why-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.lp-why-icon {
  font-size: 1.75rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.lp-why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.lp-why-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ---------- CTA ---------- */
.lp-cta {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
  color: #fff;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.lp-cta.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

.lp-cta h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.75rem;
}

.lp-cta p {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.lp-cta .btn-primary {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.lp-cta .btn-primary:hover {
  background: rgba(255,255,255,0.9);
}

/* ---------- Footer ---------- */
.lp-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.lp-footer p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.lp-footer-disclaimer {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  opacity: 0.7;
}

/* ---------- Landing Responsive ---------- */
@media (min-width: 600px) {
  .lp-hero-title { font-size: 2.5rem; }
  .lp-hero-actions { flex-direction: row; justify-content: center; }
  .lp-stats-inner { grid-template-columns: repeat(4, 1fr); }
  .lp-features-grid { grid-template-columns: repeat(2, 1fr); }
  .lp-steps { grid-template-columns: repeat(2, 1fr); }
  .lp-why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .lp-hero {
    flex-direction: row;
    justify-content: center;
    gap: 3rem;
    padding: 4rem 3rem;
  }
  .lp-hero-content { text-align: start; max-width: 520px; }
  .lp-hero-actions { align-items: flex-start; }
  .lp-hero-visual { margin-top: 0; }
  .lp-hero-title { font-size: 2.75rem; }
  .lp-features-grid { grid-template-columns: repeat(3, 1fr); }
  .lp-steps { grid-template-columns: repeat(4, 1fr); }
  .lp-section-title { font-size: 1.75rem; }
  .lp-cta h2 { font-size: 1.75rem; }
}

/* ---------- Landing RTL ---------- */
[dir="rtl"] .lp-hero-content { text-align: center; }
[dir="rtl"] .lp-hero-actions { align-items: center; }
[dir="rtl"] .lp-section-title { text-align: center; }
[dir="rtl"] .lp-section-subtitle { text-align: center; }
[dir="rtl"] .lp-cta h2 { text-align: center; }
[dir="rtl"] .lp-cta p { text-align: center; }
[dir="rtl"] .lp-step { text-align: center; }
[dir="rtl"] .lp-footer { text-align: center; }
[dir="rtl"] .lp-why-card { flex-direction: row-reverse; text-align: right; }

@media (min-width: 900px) {
  [dir="rtl"] .lp-hero-content { text-align: end; }
  [dir="rtl"] .lp-hero-actions { align-items: flex-end; }
  [dir="rtl"] .lp-hero { flex-direction: row-reverse; }
}

/* ==========================================================================
   PWA Install Banner — Premium Bottom Sheet
   ========================================================================== */

.pwa-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 250;
  padding: 0.75rem;
  pointer-events: none;
}

.pwa-banner-inner {
  pointer-events: auto;
  position: relative;
  max-width: 480px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 1.25rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow:
    0 -4px 32px rgba(0, 0, 0, 0.10),
    0 12px 48px rgba(0, 0, 0, 0.12);
  animation: pwa-pop 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) both;
  overflow: hidden;
}

/* Subtle gradient accent line at top */
.pwa-banner-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #1a73e8, #34a853, #1a73e8);
  background-size: 200% 100%;
  animation: pwa-shimmer 3s ease infinite;
}

@keyframes pwa-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes pwa-pop {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Close button */
.pwa-close {
  position: absolute;
  top: 0.5rem;
  right: 0.625rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  line-height: 1;
}
.pwa-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

[dir="rtl"] .pwa-close { right: auto; left: 0.625rem; }

/* Top row: icon + text */
.pwa-banner-top {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

.pwa-banner-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.pwa-banner-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pwa-banner-text {
  flex: 1;
  min-width: 0;
  padding-right: 1.5rem;
}

[dir="rtl"] .pwa-banner-text {
  padding-right: 0;
  padding-left: 1.5rem;
  text-align: right;
}

.pwa-banner-title {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 0.125rem;
}

.pwa-banner-desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
  margin: 0;
}

/* Feature chips */
.pwa-features {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.pwa-feature-chip {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

/* Action buttons */
.pwa-banner-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pwa-btn-install {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: inherit;
  color: #fff;
  background: linear-gradient(135deg, #1a73e8 0%, #1558b0 100%);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(26, 115, 232, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.pwa-btn-install:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(26, 115, 232, 0.4);
}

.pwa-btn-install:active:not(:disabled) {
  transform: scale(0.98);
}

.pwa-btn-install:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.pwa-install-icon {
  font-size: 1.125rem;
}

.pwa-btn-dismiss {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: inherit;
  padding: 0.625rem 0.875rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  min-height: 46px;
}

.pwa-btn-dismiss:hover {
  color: var(--color-text);
  background: var(--color-bg);
}

/* Spinner */
.pwa-spinner-sm {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Preview mode badge */
.pwa-preview-badge {
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-warning);
  background: var(--color-warning-light);
  padding: 0.125rem 0.625rem;
  border-radius: 0 0 6px 6px;
}

/* Transitions */
.pwa-slide-enter-active { animation: pwa-pop 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) both; }
.pwa-slide-leave-active { animation: pwa-pop 0.4s ease reverse both; }

/* ---------- PWA Banner Responsive ---------- */
@media (max-width: 480px) {
  .pwa-banner { padding: 0.5rem; }

  .pwa-banner-inner { padding: 1.25rem 1rem 1rem; }

  .pwa-banner-top {
    flex-direction: column;
    text-align: center;
    gap: 0.625rem;
  }

  .pwa-banner-text {
    padding-right: 0;
  }

  [dir="rtl"] .pwa-banner-text {
    padding-left: 0;
    text-align: center;
  }

  .pwa-features {
    justify-content: center;
  }

  .pwa-banner-actions {
    flex-direction: column;
    gap: 0.5rem;
  }

  .pwa-btn-install { width: 100%; }
  .pwa-btn-dismiss { width: 100%; }
}

/* ---------- PWA Banner RTL ---------- */
[dir="rtl"] .pwa-banner-top {
  flex-direction: row-reverse;
}

[dir="rtl"] .pwa-features {
  flex-direction: row-reverse;
}

[dir="rtl"] .pwa-banner-actions {
  flex-direction: row-reverse;
}

@media (max-width: 480px) {
  [dir="rtl"] .pwa-banner-top {
    flex-direction: column;
    text-align: center;
  }

  [dir="rtl"] .pwa-features {
    flex-direction: row-reverse;
    justify-content: center;
  }

  [dir="rtl"] .pwa-banner-actions {
    flex-direction: column;
  }
}

/* ---------- PWA Banner Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .pwa-banner-inner { animation: none; }
  .pwa-banner-inner::before { animation: none; }
  .pwa-slide-enter-active,
  .pwa-slide-leave-active { animation: none; }
}

/* ==========================================================================
   Landing Page — Install App Section
   ========================================================================== */

.lp-install {
  padding: 3rem 1.5rem;
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f0fe 100%);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.lp-install.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

.lp-install-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 2.5rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.lp-install-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.2);
}

.lp-install-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lp-install-content h2 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.375rem;
  color: var(--color-text);
}

.lp-install-content p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0 0 0.875rem;
}

.lp-install-perks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.lp-install-btn {
  min-height: 48px;
  padding: 0.75rem 2rem;
  font-size: 1rem;
}

/* Mobile */
@media (max-width: 600px) {
  .lp-install-inner {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem 1.25rem;
    gap: 1rem;
  }

  .lp-install-perks {
    justify-content: center;
  }

  .lp-install-btn {
    width: 100%;
  }
}

/* RTL */
[dir="rtl"] .lp-install-inner {
  flex-direction: row-reverse;
}

[dir="rtl"] .lp-install-content {
  text-align: right;
}

[dir="rtl"] .lp-install-perks {
  flex-direction: row-reverse;
}

@media (max-width: 600px) {
  [dir="rtl"] .lp-install-inner {
    flex-direction: column;
    text-align: center;
  }

  [dir="rtl"] .lp-install-content {
    text-align: center;
  }

  [dir="rtl"] .lp-install-perks {
    justify-content: center;
  }
}

/* ==========================================================================
   Navbar — Install Button
   ========================================================================== */

.btn-navbar-install {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: var(--tap-min);
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

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

/* Hide text on small screens, keep emoji */
@media (max-width: 600px) {
  .btn-navbar-install-text {
    display: none;
  }

  .btn-navbar-install {
    padding: 0.375rem 0.5rem;
    font-size: 1.125rem;
  }
}