/* ==========================================================================
   IITyping - Modern Bilingual Typing Master (English & Urdu)
   Theme: Modern Cyber Dark & High-Performance Typography
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&family=Noto+Nastaliq+Urdu:wght@400;600;700&family=Noto+Sans+Arabic:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Scheme standard declaration */
    color-scheme: dark;

    /* Theme: Cyber Neon (Default) */
    --bg-base: #080b12;
    --bg-surface: #0f1422;
    --bg-card: rgba(18, 24, 38, 0.7);
    --bg-input: rgba(12, 17, 29, 0.85);
    
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(0, 242, 254, 0.45);
    --border-active: #00f2fe;

    --accent: #00f2fe;
    --accent-secondary: #4facfe;
    --accent-glow: rgba(0, 242, 254, 0.25);
    --accent-gradient: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-untyped: #475569;
    --text-correct: #38bdf8;
    --text-error: #f43f5e;
    --bg-error: rgba(244, 63, 94, 0.15);

    --caret-color: #00f2fe;
    --kbd-bg: #141b2b;
    --kbd-border: rgba(255, 255, 255, 0.12);
    --kbd-active: #00f2fe;

    --scrollbar-thumb: rgba(255, 255, 255, 0.18);
    --scrollbar-track: rgba(0, 0, 0, 0.2);

    /* Fonts */
    --font-ui: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-en: 'JetBrains Mono', 'Fira Code', monospace;
    --font-urdu: 'Noto Nastaliq Urdu', 'Noto Sans Arabic', serif;

    /* Spacing & Radii */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-norm: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Theme: Midnight Slate */
[data-theme="slate"] {
    --bg-base: #090d16;
    --bg-surface: #111827;
    --bg-card: rgba(17, 24, 39, 0.75);
    --bg-input: rgba(15, 23, 42, 0.85);
    --accent: #38bdf8;
    --accent-secondary: #818cf8;
    --accent-glow: rgba(56, 189, 248, 0.2);
    --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    --text-correct: #e2e8f0;
    --caret-color: #38bdf8;
    --kbd-bg: #1e293b;
    --kbd-border: rgba(255, 255, 255, 0.1);
}

/* Theme: Amethyst Violet */
[data-theme="violet"] {
    --bg-base: #0d0914;
    --bg-surface: #171124;
    --bg-card: rgba(26, 18, 42, 0.75);
    --bg-input: rgba(19, 13, 31, 0.85);
    --accent: #c084fc;
    --accent-secondary: #f472b6;
    --accent-glow: rgba(192, 132, 252, 0.25);
    --accent-gradient: linear-gradient(135deg, #c084fc 0%, #f472b6 100%);
    --text-correct: #f3e8ff;
    --caret-color: #c084fc;
    --kbd-bg: #231938;
    --kbd-border: rgba(255, 255, 255, 0.12);
}

/* Theme: Matrix Emerald */
[data-theme="emerald"] {
    --bg-base: #050d0a;
    --bg-surface: #0a1913;
    --bg-card: rgba(11, 28, 21, 0.75);
    --bg-input: rgba(7, 20, 15, 0.85);
    --accent: #10b981;
    --accent-secondary: #34d399;
    --accent-glow: rgba(16, 185, 129, 0.25);
    --accent-gradient: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --text-correct: #a7f3d0;
    --caret-color: #10b981;
    --kbd-bg: #11281e;
    --kbd-border: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    scrollbar-width: thin;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Ambient Background Glow Effect */
body::before {
    content: '';
    position: fixed;
    top: -20%;
    left: 20%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(100px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.55;
    transition: background var(--transition-norm);
}

/* Fallback for WebKit Scrollbars */
@supports not (scrollbar-color: auto) {
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }
    ::-webkit-scrollbar-track {
        background: var(--scrollbar-track);
    }
    ::-webkit-scrollbar-thumb {
        background: var(--scrollbar-thumb);
        border-radius: 4px;
    }
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.app-header {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
}

.brand-title-group {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.brand-name .logo-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
}

.urdu-badge {
    font-family: var(--font-urdu);
    font-size: 0.85rem;
    color: var(--accent);
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(0, 242, 254, 0.1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.icon-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.icon-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent);
    background: var(--bg-card);
    transform: translateY(-1px);
}

.icon-btn.active {
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* ==========================================================================
   Control Bar / Config Options
   ========================================================================== */

.controls-container {
    width: 100%;
    max-width: 1050px;
    margin: 24px auto 0;
    padding: 0 20px;
}

.control-bar {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    padding: 6px 14px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 18px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.control-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.control-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--border-subtle);
}

.control-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.control-btn:hover {
    color: var(--text-primary);
}

.control-btn.active {
    color: var(--accent);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Language switch specifically */
.lang-btn {
    font-weight: 700;
}

.lang-btn[data-lang="urdu"] {
    font-family: var(--font-urdu);
    font-size: 0.95rem;
}

/* Urdu helper toolbar */
.urdu-toolbar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
    animation: fadeIn 0.3s ease;
}

.urdu-toolbar.hidden {
    display: none;
}

.pill-tag {
    font-size: 0.78rem;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background: rgba(0, 242, 254, 0.1);
    color: var(--accent);
    border: 1px solid rgba(0, 242, 254, 0.2);
    display: flex;
    align-items: center;
    gap: 6px;
}

.toggle-switch-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.toggle-input {
    appearance: none;
    width: 36px;
    height: 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    outline: none;
    transition: all var(--transition-fast);
}

.toggle-input::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.toggle-input:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.toggle-input:checked::after {
    transform: translateX(16px);
    background: #000;
}

/* ==========================================================================
   Live Stats Display
   ========================================================================== */

.stats-bar {
    width: 100%;
    max-width: 1000px;
    margin: 32px auto 8px;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    opacity: 0.7;
    transition: opacity var(--transition-norm);
}

.stats-bar.active {
    opacity: 1;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 700;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-en);
    line-height: 1.1;
}

.timer-ring-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.timer-large {
    font-size: 2.2rem;
    font-weight: 800;
    font-family: var(--font-en);
    color: var(--accent);
}

/* ==========================================================================
   Main Typing Stage & Words Box
   ========================================================================== */

.typing-stage {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
}

.typing-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    position: relative;
    cursor: text;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
    min-height: 180px;
    transition: border-color var(--transition-fast);
}

.typing-card:focus-within,
.typing-card.focused {
    border-color: var(--border-focus);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-glow);
}

/* Words Container */
.words-wrapper {
    position: relative;
    height: 140px;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}

.words-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 14px;
    row-gap: 16px;
    font-size: 1.55rem;
    line-height: 1.6;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: var(--font-en);
}

/* Urdu Mode Specific Typography and Direction */
.words-flow.urdu-mode {
    direction: rtl;
    text-align: right;
    font-family: var(--font-urdu);
    font-size: 1.85rem;
    line-height: 2.4;
    column-gap: 16px;
    row-gap: 18px;
}

/* Word & Character Elements */
.word {
    position: relative;
    display: inline-flex;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.word.word-completed {
    opacity: 0.65;
}

.word.word-error {
    text-decoration: underline wavy var(--text-error);
    text-underline-offset: 6px;
}

.char {
    display: inline;
    position: relative;
    color: var(--text-untyped);
    transition: color 0.1s ease, text-shadow 0.1s ease;
}

.char.correct {
    color: var(--text-correct);
    text-shadow: 0 0 10px var(--accent-glow);
}

.char.incorrect {
    color: var(--text-error);
    background-color: var(--bg-error);
    border-radius: 3px;
}

.char.extra {
    color: #e11d48;
    opacity: 0.85;
}

/* Smooth Caret Cursor */
.caret {
    position: absolute;
    width: 3px;
    height: 1.4em;
    background: var(--caret-color);
    border-radius: 2px;
    box-shadow: 0 0 12px var(--caret-color);
    transition: left 0.08s ease, top 0.08s ease;
    pointer-events: none;
    animation: caretBlink 1s infinite alternate;
    z-index: 10;
}

.caret.typing {
    animation: none;
    opacity: 1;
}

@keyframes caretBlink {
    0%, 40% { opacity: 1; }
    60%, 100% { opacity: 0; }
}

/* Hidden Interactive Input for mobile and IME keyboard capturing */
.hidden-typing-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    z-index: 5;
    cursor: default;
    border: none;
    outline: none;
    background: transparent;
    resize: none;
}

/* Out of focus click hint */
.focus-overlay {
    position: absolute;
    inset: 0;
    background: rgba(8, 11, 18, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    z-index: 20;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.focus-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.focus-hint-badge {
    padding: 10px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

/* Quick Restart Bar below typing box */
.restart-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 18px;
}

.restart-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all var(--transition-norm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.restart-btn:hover {
    color: var(--accent);
    transform: rotate(180deg) scale(1.1);
}

.shortcut-tip {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.shortcut-tip kbd {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-family: inherit;
}

/* ==========================================================================
   Virtual Keyboard Helper
   ========================================================================== */

.keyboard-section {
    width: 100%;
    max-width: 900px;
    margin: 16px auto 32px;
    padding: 0 20px;
    transition: all var(--transition-norm);
}

.keyboard-section.collapsed {
    display: none;
}

.keyboard-wrapper {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.keyboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 0 4px;
}

.keyboard-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
}

.keyboard-layout-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
    user-select: none;
}

.kbd-row {
    display: flex;
    justify-content: center;
    gap: 5px;
}

.key-cap {
    background: var(--kbd-bg);
    border: 1px solid var(--kbd-border);
    border-radius: 6px;
    height: 44px;
    min-width: 44px;
    padding: 4px 6px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    cursor: default;
    transition: transform 0.08s ease, background 0.08s ease, border-color 0.08s ease;
    box-shadow: 0 2px 0 rgba(0,0,0,0.4);
}

.key-cap.pressed {
    transform: translateY(2px);
    box-shadow: 0 0 0 rgba(0,0,0,0);
    background: rgba(0, 242, 254, 0.25);
    border-color: var(--accent);
}

.key-cap.width-med {
    min-width: 62px;
}

.key-cap.width-med-plus {
    min-width: 72px;
}

.key-cap.width-wide {
    min-width: 82px;
}

.key-cap.width-extra-wide {
    min-width: 96px;
}

.key-cap.width-spacebar {
    flex-grow: 1;
    max-width: 380px;
}

.key-urdu {
    font-family: var(--font-urdu);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.key-en {
    font-family: var(--font-en);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    line-height: 1;
}

.key-special {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    justify-content: center;
}

/* ==========================================================================
   Results View Modal / Dashboard
   ========================================================================== */

.results-screen {
    position: fixed;
    inset: 0;
    background: rgba(8, 11, 18, 0.88);
    backdrop-filter: blur(18px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    padding: 20px;
}

.results-screen.visible {
    opacity: 1;
    pointer-events: auto;
}

.results-modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 820px;
    padding: 36px 40px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7), 0 0 40px var(--accent-glow);
    display: flex;
    flex-direction: column;
    gap: 28px;
    transform: scale(0.96);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.results-screen.visible .results-modal {
    transform: scale(1);
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 16px;
}

.results-title {
    font-size: 1.4rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}

.rank-pill {
    padding: 4px 12px;
    background: var(--accent-gradient);
    color: #000;
    font-size: 0.8rem;
    font-weight: 800;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.results-grid {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 28px;
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: center;
}

.hero-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px 20px;
}

.hero-stat-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-stat-number {
    font-size: 3.4rem;
    font-weight: 900;
    font-family: var(--font-en);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-top: 4px;
}

.sub-stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sub-stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 12px 16px;
}

.sub-stat-title {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600;
}

.sub-stat-val {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    font-family: var(--font-en);
}

/* Chart Canvas Section */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    min-height: 220px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
}

#wpmChart {
    width: 100%;
    height: 180px;
}

.detailed-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
}

.detail-item {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.detail-val {
    font-size: 1.15rem;
    font-weight: 700;
    font-family: var(--font-en);
    color: var(--text-primary);
}

.results-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.results-action-btn {
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #000;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--accent);
}

/* ==========================================================================
   Modals & Settings Drawer
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 110;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.modal-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.settings-dialog {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 480px;
    padding: 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.dialog-title {
    font-size: 1.2rem;
    font-weight: 700;
}

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
}

.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.setting-title {
    font-size: 0.9rem;
    font-weight: 600;
}

.setting-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Theme picker chips */
.theme-chips {
    display: flex;
    gap: 8px;
}

.theme-chip {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.theme-chip:hover {
    transform: scale(1.15);
}

.theme-chip.active {
    border-color: #fff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

.theme-chip[data-theme="cyber"] { background: #00f2fe; }
.theme-chip[data-theme="slate"] { background: #38bdf8; }
.theme-chip[data-theme="violet"] { background: #c084fc; }
.theme-chip[data-theme="emerald"] { background: #10b981; }

/* ==========================================================================
   Footer
   ========================================================================== */

.app-footer {
    margin-top: auto;
    padding: 24px 20px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent);
}

/* Keyframe animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 860px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    .detailed-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .keyboard-section {
        display: none !important; /* Hide visual keyboard on smaller screens */
    }
    .control-bar {
        border-radius: var(--radius-md);
        gap: 8px;
    }
    .words-flow {
        font-size: 1.3rem;
    }
    .words-flow.urdu-mode {
        font-size: 1.55rem;
    }
}