/* ---- Tokens ---- */
:root {
    --bg: #0b1220;
    --bg-elev: #131b2e;
    --bg-soft: #1a2440;
    --border: rgba(148, 163, 184, 0.14);
    --border-strong: rgba(148, 163, 184, 0.28);

    --fg: #f8fafc;
    --fg-muted: #94a3b8;
    --fg-dim: #64748b;

    --accent: #38bdf8;
    --accent-strong: #0ea5e9;
    --success: #4ade80;
    --danger: #f87171;
    --warn: #fbbf24;

    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;

    --shadow-card: 0 20px 50px -20px rgba(8, 15, 35, 0.8);
    --shadow-soft: 0 4px 20px -8px rgba(8, 15, 35, 0.6);

    --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --font-ge: "Noto Sans Georgian", "BPG Phone Sans", "Sylfaen", "Inter",
        -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    box-sizing: border-box;
}

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

body {
    min-height: 100vh;
    min-height: 100dvh;
    background: radial-gradient(circle at 20% -10%, #1e293b 0%, var(--bg) 55%);
    color: var(--fg);
    font-family: var(--font-ui);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overscroll-behavior-y: none;
    padding: env(safe-area-inset-top) env(safe-area-inset-right)
        env(safe-area-inset-bottom) env(safe-area-inset-left);
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover { text-decoration: underline; }

/* ---- Layout ---- */
.site-header,
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.25rem;
    background: rgba(11, 18, 32, 0.97);
    border-bottom: 1px solid var(--border);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--fg);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.brand:hover { text-decoration: none; }

.brand-mark {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #0b1220;
    font-family: var(--font-ge);
    font-size: 1.25rem;
    font-weight: 800;
}

.nav-toggle {
    display: none;
    appearance: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(148, 163, 184, 0.08);
    color: var(--fg);
    place-items: center;
    padding: 0;
    flex-shrink: 0;
}

.nav-toggle:hover {
    background: rgba(148, 163, 184, 0.14);
}

.nav-toggle-icon {
    display: block;
}

.nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(2, 6, 23, 0.62);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.nav-backdrop:not([hidden]) {
    display: block;
}

.nav {
    display: flex;
    gap: 0.25rem;
}

.nav-drawer-head {
    display: none;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    color: var(--fg-muted);
    padding: 0.5rem 0.85rem;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease;
}

.nav-link:hover {
    color: var(--fg);
    background: rgba(148, 163, 184, 0.1);
    text-decoration: none;
}

.nav-link.is-active {
    color: var(--fg);
    background: rgba(56, 189, 248, 0.12);
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 3rem;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1;
    transition: transform 0.08s ease, background 0.15s ease,
        border-color 0.15s ease, color 0.15s ease;
    text-decoration: none;
    background: transparent;
    color: var(--fg);
}

.btn:active {
    transform: translateY(1px) scale(0.99);
}

.btn-lg {
    padding: 0.95rem 1.5rem;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #0b1220;
    border-color: transparent;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    text-decoration: none;
    filter: brightness(1.06);
}

.btn-ghost {
    background: rgba(148, 163, 184, 0.08);
    color: var(--fg);
    border-color: var(--border);
}

.btn-ghost:hover {
    background: rgba(148, 163, 184, 0.14);
    text-decoration: none;
}

.btn-danger {
    background: rgba(248, 113, 113, 0.1);
    color: var(--danger);
    border-color: rgba(248, 113, 113, 0.3);
}

.btn-danger:hover {
    background: rgba(248, 113, 113, 0.18);
    text-decoration: none;
}

.btn-icon {
    padding: 0.55rem 0.7rem;
    font-size: 0.85rem;
}

/* ---- Home / Hero ---- */
.hero {
    padding-top: 1.5rem;
    text-align: center;
}

.eyebrow {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.12);
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-title {
    margin: 1rem 0 0.85rem;
    font-size: clamp(1.85rem, 6vw, 2.85rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-weight: 800;
}

.hero-sub {
    margin: 0 auto 1.75rem;
    max-width: 32rem;
    color: var(--fg-muted);
    font-size: 1.05rem;
    line-height: 1.55;
}

.hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.alphabet-preview {
    margin-top: 3rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    font-family: var(--font-ge);
    color: var(--fg-dim);
}

.alphabet-preview span {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(148, 163, 184, 0.05);
    border: 1px solid var(--border);
    font-size: 1.25rem;
    transition: color 0.2s ease, background 0.2s ease;
}

.alphabet-preview span:nth-child(3n) { color: var(--accent); }

/* ---- Quiz ---- */
.quiz {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.quiz-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: var(--radius);
    background: var(--bg-elev);
    border: 1px solid var(--border);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 0.35rem;
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--fg-dim);
    font-weight: 600;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
}

.card {
    position: relative;
    padding: 2.5rem 1.5rem 2rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(160deg, #1c2542 0%, #131b2e 100%);
    border: 1px solid var(--border-strong);
    text-align: center;
    box-shadow: var(--shadow-card);
    min-height: 220px;
    max-height: 240px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.75rem;
    transition: border-color 0.2s ease, transform 0.2s ease;
    user-select: none;
}

.card.has-audio {
    cursor: pointer;
}

.card.has-audio::after {
    content: "♪ tap to hear";
    position: absolute;
    right: 0.85rem;
    bottom: 0.6rem;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-dim);
    font-weight: 600;
    pointer-events: none;
    opacity: 0.85;
}

.card.is-correct {
    border-color: rgba(74, 222, 128, 0.5);
    box-shadow: 0 0 0 1px rgba(74, 222, 128, 0.4),
        0 20px 60px -20px rgba(74, 222, 128, 0.35);
}

.card.is-wrong {
    border-color: rgba(248, 113, 113, 0.55);
    box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.4),
        0 20px 60px -20px rgba(248, 113, 113, 0.35);
    animation: shake 0.45s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-7px); }
    40% { transform: translateX(7px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.card-direction {
    color: var(--fg-dim);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
}

.card-prompt {
    font-size: clamp(3.25rem, 14vw, 5.5rem);
    line-height: 1.05;
    font-weight: 700;
    word-break: break-word;
    overflow-wrap: anywhere;
    max-width: 100%;
    padding: 0 0.25rem;
}

.card-prompt.len-medium { font-size: clamp(2.5rem, 10vw, 4rem); }
.card-prompt.len-long   { font-size: clamp(1.75rem, 6.5vw, 2.6rem); line-height: 1.15; }
.card-prompt.len-xlong  { font-size: clamp(1.25rem, 4.5vw, 1.9rem); line-height: 1.25; }

.card-prompt.is-georgian {
    font-family: var(--font-ge);
}

/* Keyboard Letter → Sound: font toggle + overlay (layout from ruler text) */
.card-font-toggle {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    z-index: 3;
    display: inline-flex;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-strong);
    background: rgba(26, 36, 64, 0.92);
    backdrop-filter: blur(6px);
}

.card-font-toggle.kb-panel-hidden {
    display: none !important;
}

.card-font-toggle-btn {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--fg-muted);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    touch-action: manipulation;
}

.card-font-toggle-btn.is-active {
    color: var(--fg);
    background: rgba(56, 189, 248, 0.18);
}

.card-font-toggle-btn:not(.is-active):hover {
    color: var(--fg);
}

.card-prompt-stack {
    display: grid;
    width: 100%;
    justify-items: center;
}

.card-prompt-stack > .card-prompt {
    grid-area: 1 / 1;
    width: 100%;
    margin: 0;
}

.card-prompt.is-layout-ruler {
    color: transparent !important;
    -webkit-text-fill-color: transparent;
    user-select: none;
    pointer-events: none;
}

.card-prompt-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    pointer-events: none;
    font-weight: 700;
}

.card-prompt-overlay[hidden] {
    display: none !important;
}

.options {
    display: grid;
    gap: 0.6rem;
}

.option {
    appearance: none;
    text-align: left;
    padding: 1.05rem 1.1rem;
    border-radius: var(--radius);
    background: var(--bg-elev);
    border: 1px solid var(--border);
    color: var(--fg);
    font-size: 1.1rem;
    font-weight: 600;
    min-height: 56px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: background 0.15s ease, border-color 0.15s ease,
        transform 0.08s ease, opacity 0.2s ease;
}

.option-audio {
    appearance: none;
    flex-shrink: 0;
    margin-left: auto;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: rgba(148, 163, 184, 0.08);
    color: var(--fg-muted);
    display: grid;
    place-items: center;
    padding: 0;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.option-audio:hover {
    background: rgba(56, 189, 248, 0.15);
    border-color: rgba(56, 189, 248, 0.35);
    color: var(--accent);
}

.option-audio:active {
    transform: scale(0.94);
}

.option:disabled .option-audio {
    opacity: 0.35;
    pointer-events: none;
}

.option .option-key {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(148, 163, 184, 0.1);
    color: var(--fg-muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.option .option-text {
    flex: 1;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.option .option-text.len-medium { font-size: 0.95rem; }
.option .option-text.len-long   { font-size: 0.85rem; line-height: 1.25; }
.option .option-text.len-xlong  { font-size: 0.78rem; line-height: 1.3; }

.option.is-georgian {
    font-family: var(--font-ge);
    font-size: 1.5rem;
}

.option.is-georgian .option-text.len-medium { font-size: 1.2rem; }
.option.is-georgian .option-text.len-long   { font-size: 1rem; }
.option.is-georgian .option-text.len-xlong  { font-size: 0.9rem; }

.option:not(:disabled):hover {
    border-color: var(--border-strong);
    background: var(--bg-soft);
}

.option.is-correct {
    background: rgba(74, 222, 128, 0.16);
    border-color: rgba(74, 222, 128, 0.45);
    color: #d1fae5;
}

.option.is-wrong {
    background: rgba(248, 113, 113, 0.14);
    border-color: rgba(248, 113, 113, 0.4);
    color: #fee2e2;
}

.option:disabled {
    cursor: default;
}

.option.is-dimmed {
    opacity: 0.45;
}

.feedback {
    min-height: 1.5rem;
    text-align: center;
    font-weight: 600;
    color: var(--fg-muted);
}

.feedback.is-correct { color: var(--success); }
.feedback.is-wrong   { color: var(--danger); }

/* ---- Reading test ---- */
.reading-learn {
    margin-top: 1rem;
    padding: 1rem 1.1rem;
    border-radius: var(--radius);
    background: var(--bg-elev);
    border: 1px solid var(--border);
}

.reading-learn-label {
    margin: 0 0 0.65rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--fg-muted);
}

.reading-learn-grid {
    margin: 0 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.reading-learn-row {
    display: grid;
    grid-template-columns: 5.5rem minmax(0, 1fr);
    gap: 0.5rem;
    align-items: baseline;
}

.reading-learn-row dt {
    margin: 0;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--fg-dim);
}

.reading-learn-row dd {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.35;
    word-break: break-word;
}

.reading-learn-georgian {
    font-family: var(--font-ge);
    font-size: 1.35rem;
    font-weight: 600;
}

.reading-next {
    width: 100%;
}

/* ---- Keyboard mode ---- */
.kb {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.mode-toggle {
    display: inline-grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem;
    padding: 0.25rem;
    border-radius: 999px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    align-self: center;
    width: 100%;
    max-width: 22rem;
}

.mode-toggle.mode-toggle-3 {
    grid-template-columns: 1fr 1fr 1fr;
    max-width: 100%;
}

.mode-toggle-option {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--fg-muted);
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background 0.15s ease, color 0.15s ease;
}

.mode-toggle-option:hover {
    color: var(--fg);
}

.mode-toggle-option.is-active {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #0b1220;
    box-shadow: var(--shadow-soft);
}

.kb-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.4rem;
}

.kb-key {
    appearance: none;
    display: grid;
    place-items: center;
    aspect-ratio: 1 / 1;
    min-height: 48px;
    padding: 0.25rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-elev);
    color: var(--fg);
    font-family: var(--font-ge);
    font-size: clamp(1.4rem, 5vw, 1.85rem);
    font-weight: 600;
    line-height: 1;
    transition: background 0.12s ease, border-color 0.12s ease,
        transform 0.08s ease, color 0.12s ease;
}

.kb-key.is-sound {
    font-family: var(--font-ui);
    font-size: clamp(0.85rem, 3vw, 1.1rem);
    letter-spacing: -0.01em;
}

.kb-key:not(:disabled):hover {
    border-color: var(--border-strong);
    background: var(--bg-soft);
}

.kb-key:not(:disabled):active {
    transform: scale(0.96);
}

.kb-key:disabled {
    cursor: default;
}

.kb-key.is-correct {
    background: rgba(74, 222, 128, 0.2);
    border-color: rgba(74, 222, 128, 0.55);
    color: #d1fae5;
}

.kb-key.is-wrong {
    background: rgba(248, 113, 113, 0.18);
    border-color: rgba(248, 113, 113, 0.5);
    color: #fee2e2;
}

.kb-key.is-dimmed {
    opacity: 0.35;
}

.kb-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--fg-dim);
    padding: 1rem 0;
}

/* Hide keyboard or draw panel when the other mode is active */
.kb-panel-hidden,
.kb-grid[hidden],
.kb-draw[hidden] {
    display: none !important;
}

/* Keyboard draw mode (compact for phones — no scroll) */
.kb.kb-is-draw {
    gap: 0.45rem;
}

.kb.kb-is-draw .quiz-stats {
    margin-bottom: 0;
}

.kb.kb-is-draw .mode-toggle {
    margin-bottom: 0;
}

.kb.kb-is-draw .card {
    padding: 0.55rem 0.65rem 0.65rem;
    min-height: 0;
}

.kb.kb-is-draw .card-direction {
    font-size: 0.62rem;
    margin-bottom: 0.15rem;
}

.kb.kb-is-draw .card-prompt {
    font-size: clamp(1.35rem, 7vw, 2rem);
    line-height: 1.1;
}

.kb-draw {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    align-items: stretch;
}

.draw-canvas-wrap {
    border-radius: var(--radius);
    border: 1px solid var(--border-strong);
    background: #ffffff;
    overflow: hidden;
    touch-action: none;
    box-shadow: inset 0 2px 10px rgba(8, 15, 35, 0.07);
    display: flex;
    justify-content: center;
}

#draw-canvas {
    display: block;
    width: 100%;
    max-width: 240px;
    margin: 0 auto;
    cursor: crosshair;
    touch-action: none;
}

.draw-reveal {
    text-align: center;
    padding: 0.15rem 0;
}

.draw-reveal-letter {
    font-family: var(--font-ge);
    font-size: clamp(3.25rem, 20vw, 4.75rem);
    line-height: 1;
    font-weight: 700;
    color: var(--fg);
}

/* One fixed slot: Check/Clear ↔ Wrong/Correct swap in place */
.draw-actions {
    min-height: 3.1rem;
}

.draw-actions-set {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
}

.draw-actions-set[hidden] {
    display: none !important;
}

.draw-action-btn {
    appearance: none;
    border: none;
    border-radius: 12px;
    padding: 0.85rem 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    color: #fff;
    touch-action: manipulation;
}

.draw-action-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.draw-action-clear {
    background: var(--bg-soft);
    color: var(--fg);
    border: 1px solid var(--border-strong);
}

.draw-action-clear:active {
    background: var(--border);
}

.draw-action-check {
    background: var(--accent, #3d5afe);
}

.draw-action-check:active {
    filter: brightness(0.92);
}

.draw-action-wrong {
    background: #c62828;
}

.draw-action-wrong:active {
    background: #b71c1c;
}

.draw-action-right {
    background: #2e7d32;
}

.draw-action-right:active {
    background: #1b5e20;
}

.kb-draw-feedback.kb-panel-hidden {
    display: none !important;
}

/* ---- Flashcard mode (self-graded, romanised/english only) ---- */
.fc {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.fc .quiz-summary {
    margin-bottom: 0;
}

.fc .quiz-stats {
    margin-bottom: 0;
}

.fc .card {
    padding: 0.65rem 0.75rem 0.75rem;
    min-height: 0;
}

.fc .card.fc-front-hidden {
    display: none;
}

.fc.fc-is-transitioning .card,
.fc.fc-is-transitioning .fc-reveal {
    display: none;
}

.fc.fc-flash-ok {
    box-shadow: inset 0 0 0 2px rgba(46, 125, 50, 0.55);
    border-radius: var(--radius);
}

.fc.fc-flash-bad {
    box-shadow: inset 0 0 0 2px rgba(198, 40, 40, 0.55);
    border-radius: var(--radius);
}

.fc .card-direction {
    font-size: 0.62rem;
    margin-bottom: 0.2rem;
}

.fc .card-prompt {
    font-size: clamp(1.5rem, 8vw, 2.5rem);
    line-height: 1.1;
}

.fc-reveal {
    text-align: center;
    padding: 0.35rem 0 0.15rem;
}

.fc-reveal-label {
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
    color: var(--fg-muted);
    margin-bottom: 0.25rem;
}

.fc-reveal-answer {
    font-size: clamp(2rem, 11vw, 3.25rem);
    line-height: 1.1;
    font-weight: 700;
    margin: 0;
    padding: 0 0.25rem;
}

.fc-check-full {
    grid-column: 1 / -1;
}

@media (max-width: 860px) {
    .site-header {
        z-index: 42;
    }

    .nav-toggle {
        display: grid;
    }

    .nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 41;
        width: min(17.5rem, 88vw);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        margin: 0;
        background: var(--bg-elev);
        border-left: 1px solid var(--border);
        box-shadow: -12px 0 40px rgba(0, 0, 0, 0.35);
        transform: translateX(100%);
        transition: transform 0.22s ease;
        visibility: hidden;
        pointer-events: none;
    }

    body.nav-open {
        overflow: hidden;
    }

    body.nav-open .nav {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
    }

    .nav-drawer-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        padding: 0.85rem 1rem;
        border-bottom: 1px solid var(--border);
        flex-shrink: 0;
    }

    .nav-drawer-title {
        font-size: 1rem;
        font-weight: 700;
        letter-spacing: -0.01em;
    }

    .nav-close {
        appearance: none;
        width: 36px;
        height: 36px;
        border: 1px solid var(--border);
        border-radius: 9px;
        background: rgba(148, 163, 184, 0.08);
        color: var(--fg-muted);
        font-size: 1.35rem;
        line-height: 1;
        display: grid;
        place-items: center;
        padding: 0;
    }

    .nav-close:hover {
        color: var(--fg);
        background: rgba(148, 163, 184, 0.14);
    }

    .nav-links {
        flex: 1;
        min-height: 0;
        flex-direction: column;
        gap: 0.15rem;
        padding: 0.65rem;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .nav-link {
        padding: 0.75rem 0.85rem;
        font-size: 1rem;
        border-radius: 10px;
    }
}

@media (max-width: 420px) {
    .kb-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.35rem; }
    .kb-key { min-height: 44px; }
}

@media (min-width: 700px) {
    .kb-grid { grid-template-columns: repeat(9, minmax(0, 1fr)); }
}

/* ---- Form inputs (shared) ---- */
input[type="text"],
input[type="search"] {
    appearance: none;
    width: 100%;
    padding: 0.7rem 0.85rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg-soft);
    color: var(--fg);
    font-size: 1rem;
    transition: border-color 0.15s ease, background 0.15s ease;
}

input[type="text"]:focus,
input[type="search"]:focus {
    outline: none;
    border-color: var(--accent);
}

input.is-georgian {
    font-family: var(--font-ge);
    font-size: 1.15rem;
}

/* ---- Dictionary ---- */
.dict-header h1 {
    margin: 0 0 0.4rem;
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.dict-header p {
    margin: 0 0 1.5rem;
    color: var(--fg-muted);
}

.dict-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.dict-count {
    color: var(--fg-dim);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

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

.chapter {
    border-radius: var(--radius);
    background: var(--bg-elev);
    border: 1px solid var(--border);
    overflow: hidden;
}

.chapter-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid var(--border);
    background: rgba(148, 163, 184, 0.03);
}

.chapter-name {
    flex: 1;
    min-width: 0;
    background: transparent !important;
    border: 1px solid transparent !important;
    padding: 0.45rem 0.55rem;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.chapter-name:hover {
    border-color: var(--border) !important;
    background: var(--bg-soft) !important;
}

.chapter-name:focus {
    border-color: var(--accent) !important;
    background: var(--bg-soft) !important;
}

.chapter-meta {
    color: var(--fg-dim);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.5rem;
}

.card-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) auto;
    gap: 0.35rem;
    align-items: center;
    padding: 0.2rem;
    border-radius: 10px;
    border: 1px solid transparent;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.card-row input {
    padding: 0.5rem 0.6rem;
    font-size: 0.95rem;
    border-radius: 9px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
}

.card-row input::placeholder {
    color: var(--fg-dim);
    opacity: 0.7;
}

.card-row input.is-georgian {
    font-family: var(--font-ge);
    font-size: 1.05rem;
}

.card-row[data-status="dirty"] {
    border-color: rgba(251, 191, 36, 0.3);
}

.card-row[data-status="saving"] {
    border-color: rgba(56, 189, 248, 0.35);
}

.card-row[data-status="saved"] {
    border-color: rgba(74, 222, 128, 0.45);
}

.card-row[data-status="error"] {
    border-color: rgba(248, 113, 113, 0.55);
}

.row-audio {
    appearance: none;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(148, 163, 184, 0.08);
    color: var(--fg-dim);
    display: grid;
    place-items: center;
    padding: 0;
    flex-shrink: 0;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease,
        opacity 0.15s ease;
}

.row-audio:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.row-audio.is-pending:not(:disabled) {
    opacity: 0.55;
}

.row-audio.is-ready:not(:disabled):hover {
    background: rgba(56, 189, 248, 0.15);
    border-color: rgba(56, 189, 248, 0.35);
    color: var(--accent);
}

.row-audio.is-ready:not(:disabled):active {
    transform: scale(0.94);
}

.row-delete {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--fg-dim);
    width: 30px;
    height: 30px;
    border-radius: 8px;
    font-size: 1.25rem;
    line-height: 1;
    display: grid;
    place-items: center;
    transition: background 0.15s ease, color 0.15s ease;
}

.row-delete:hover {
    background: rgba(248, 113, 113, 0.14);
    color: var(--danger);
}

.chapter-delete {
    white-space: nowrap;
}

.dict-empty {
    text-align: center;
    color: var(--fg-dim);
    padding: 2rem 0;
}

/* ---- 1000 words (browse-only) ---- */
.cw-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.cw-search {
    flex: 1;
    min-width: min(100%, 220px);
    padding: 0.65rem 0.85rem;
    font-size: 1rem;
    border-radius: 10px;
    background: var(--bg-soft);
    border: 1px solid var(--border);
}

.cw-search:focus {
    border-color: var(--accent);
    outline: none;
}

.cw-chapter-toggle {
    appearance: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: none;
    border-bottom: 1px solid var(--border);
    background: rgba(148, 163, 184, 0.03);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.cw-chapter-toggle:hover {
    background: rgba(148, 163, 184, 0.07);
}

.cw-chapter-name {
    flex: 1;
    min-width: 0;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.chapter.is-collapsed .card-list {
    display: none;
}

.cw-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 0.5rem;
    align-items: center;
    padding: 0.35rem 0.25rem;
    border-radius: 10px;
}

.cw-cell {
    font-size: 0.95rem;
    line-height: 1.35;
    word-break: break-word;
}

.cw-georgian {
    font-family: var(--font-ge);
    font-size: 1.05rem;
}

.cw-romanised {
    color: var(--fg-muted);
}

.cw-english {
    color: var(--fg);
}

@media (max-width: 640px) {
    .cw-row {
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto auto;
    }

    .cw-row .row-audio {
        grid-row: 1 / -1;
    }

    .cw-georgian {
        grid-column: 2;
    }

    .cw-romanised,
    .cw-english {
        grid-column: 2;
        font-size: 0.88rem;
    }
}

/* ---- Quiz setup page ---- */
.setup {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.setup-header h1 {
    margin: 0 0 0.4rem;
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.setup-header p {
    margin: 0;
    color: var(--fg-muted);
}

.setup-block {
    padding: 1rem;
    border-radius: var(--radius);
    background: var(--bg-elev);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.setup-block-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.setup-block-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.setup-block-actions {
    display: flex;
    gap: 0.4rem;
}

.setup-hint {
    color: var(--fg-dim);
    font-size: 0.82rem;
    font-weight: 500;
}

.chapter-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.field-pills {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.4rem;
}

.field-pill {
    appearance: none;
    padding: 0.7rem 0.5rem;
    border-radius: 12px;
    border: 1.5px solid var(--border);
    background: var(--bg-soft);
    color: var(--fg-muted);
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.field-pill:hover { color: var(--fg); }

.field-pill.is-active {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    border-color: transparent;
    color: #0b1220;
    box-shadow: var(--shadow-soft);
}

.setup-footer {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: stretch;
}

.setup-status {
    margin: 0;
    text-align: center;
    color: var(--fg-muted);
    font-size: 0.9rem;
    font-weight: 500;
    min-height: 1.2rem;
}

.setup-status.is-error { color: var(--danger); }

#start:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    filter: grayscale(0.3);
}

/* Quiz play page selection summary */
.quiz-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.55rem 0.9rem;
    border-radius: 12px;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    color: var(--fg-muted);
    font-size: 0.85rem;
}

.quiz-summary-text {
    font-weight: 600;
    color: var(--fg);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quiz-summary-link {
    color: var(--accent);
    font-weight: 600;
    flex-shrink: 0;
}

.chapter-choice {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.5rem 0.6rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-soft);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.chapter-choice:hover {
    border-color: var(--border-strong);
}

.chapter-choice input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 5px;
    border: 1.5px solid var(--border-strong);
    background: transparent;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.chapter-choice input[type="checkbox"]:checked {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    border-color: transparent;
}

.chapter-choice input[type="checkbox"]:checked::after {
    content: "";
    width: 5px;
    height: 9px;
    border: solid #0b1220;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) translate(-1px, -1px);
}

.chapter-choice-name {
    flex: 1;
    min-width: 0;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chapter-choice-count {
    color: var(--fg-dim);
    font-size: 0.82rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

@media (max-width: 480px) {
    .card-row { grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) auto; gap: 0.25rem; }
    .card-row input { padding: 0.45rem 0.5rem; font-size: 0.9rem; }
    .card-row input.is-georgian { font-size: 1rem; }
}

/* ---- Responsive tweaks ---- */
@media (min-width: 640px) {
    .container { padding: 2rem 1.5rem 4rem; }
    .options { grid-template-columns: 1fr 1fr; }
    .option { font-size: 1.15rem; }
    .option.is-georgian { font-size: 1.65rem; }
}

@media (max-width: 480px) {
    .site-header { padding: 0.7rem 1rem; }
    .brand-text { display: none; }
    .quiz-stats .stat-value { font-size: 1.2rem; }
}

/* ---- Banners / toasts ---- */
.banner-host {
    display: contents;
}

.banner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    background: var(--bg-elev);
    border: 1px solid var(--border-strong);
    margin: 0 0 1rem;
    color: var(--fg);
    box-shadow: var(--shadow-soft);
}

.banner-body {
    flex: 1;
    min-width: 0;
}

.banner-title {
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.banner p {
    margin: 0.15rem 0 0;
    color: var(--fg-muted);
    font-size: 0.9rem;
    line-height: 1.4;
}

.banner-close {
    appearance: none;
    border: none;
    background: transparent;
    color: var(--fg-dim);
    font-size: 1.4rem;
    line-height: 1;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
}

.banner-close:hover { background: rgba(148, 163, 184, 0.12); color: var(--fg); }

.banner.is-success {
    border-color: rgba(74, 222, 128, 0.45);
    background: linear-gradient(180deg, rgba(74, 222, 128, 0.08), var(--bg-elev) 60%);
}
.banner.is-warn {
    border-color: rgba(251, 191, 36, 0.5);
    background: linear-gradient(180deg, rgba(251, 191, 36, 0.1), var(--bg-elev) 60%);
}
.banner.is-error {
    border-color: rgba(248, 113, 113, 0.55);
    background: linear-gradient(180deg, rgba(248, 113, 113, 0.1), var(--bg-elev) 60%);
}

.dict-csv-hint {
    margin: -0.25rem 0 1rem;
    padding: 0.55rem 0.75rem;
    border-radius: 10px;
    background: rgba(148, 163, 184, 0.06);
    border: 1px dashed var(--border);
    color: var(--fg-muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

.dict-csv-hint code {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
    font-size: 0.78rem;
    padding: 0.05rem 0.35rem;
    border-radius: 6px;
    background: rgba(148, 163, 184, 0.12);
    color: var(--fg);
}

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 6px;
}