/* Langoo — tema ve tipografi */

:root {
    --font-scale: var(--user-font-scale, 1);
    --app-font: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
    --app-rgb-brand: 99 102 241;
    --app-rgb-accent: 236 72 153;
    --app-surface: #f8fafc;
    --app-surface-2: #ffffff;
    --app-text: #0f172a;
    --app-text-muted: #64748b;
    --app-border: rgba(15, 23, 42, 0.08);
    --app-radius: 1rem;
    --app-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

html {
    font-size: calc(100% * var(--font-scale));
}

body.bg-app {
    background: var(--app-surface);
    color: var(--app-text);
    font-family: var(--app-font);
}

.text-app { color: var(--app-text); }
.text-app-muted { color: var(--app-text-muted); }

.font-default { --app-font: "Plus Jakarta Sans", system-ui, sans-serif; }
.font-readable { --app-font: "Lexend", "Atkinson Hyperlegible", system-ui, sans-serif; }
.font-dyslexic {
    --app-font: "Lexend", "Atkinson Hyperlegible", system-ui, sans-serif;
    letter-spacing: 0.02em;
    word-spacing: 0.05em;
}
.font-mono { --app-font: "JetBrains Mono", ui-monospace, monospace; }

html[data-theme="system"] {
    color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
    html[data-theme="system"] {
        --app-surface: #0b1220;
        --app-surface-2: #111827;
        --app-text: #f1f5f9;
        --app-text-muted: #94a3b8;
        --app-border: rgba(255, 255, 255, 0.08);
        --app-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    }
}

html[data-theme="light"] {
    color-scheme: light;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --app-surface: #0b1220;
    --app-surface-2: #111827;
    --app-text: #f1f5f9;
    --app-text-muted: #94a3b8;
    --app-border: rgba(255, 255, 255, 0.08);
    --app-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

html[data-theme="ocean"] {
    --app-rgb-brand: 14 165 233;
    --app-rgb-accent: 6 182 212;
    --app-surface: linear-gradient(180deg, #ecfeff 0%, #f0f9ff 40%, #e0f2fe 100%);
    --app-surface-2: rgba(255, 255, 255, 0.9);
    --app-text: #0c4a6e;
    --app-text-muted: #0369a1;
    --app-border: rgba(14, 116, 144, 0.15);
}

html[data-theme="forest"] {
    --app-rgb-brand: 22 163 74;
    --app-rgb-accent: 234 179 8;
    --app-surface: linear-gradient(165deg, #f0fdf4 0%, #ecfccb 100%);
    --app-surface-2: #ffffff;
    --app-text: #14532d;
    --app-text-muted: #3f6212;
    --app-border: rgba(21, 128, 61, 0.15);
}

html[data-theme="sunset"] {
    --app-rgb-brand: 249 115 22;
    --app-rgb-accent: 236 72 153;
    --app-surface: linear-gradient(145deg, #fff7ed 0%, #ffe4e6 100%);
    --app-surface-2: #ffffff;
    --app-text: #7c2d12;
    --app-text-muted: #be185d;
    --app-border: rgba(190, 24, 93, 0.12);
}

html[data-theme="kids"] {
    color-scheme: light;
    --app-rgb-brand: 234 179 8;
    --app-rgb-accent: 34 197 94;
    --app-surface: linear-gradient(180deg, #fef9c3 0%, #fce7f3 50%, #e0f2fe 100%);
    --app-surface-2: #fffef7;
    --app-text: #422006;
    --app-text-muted: #854d0e;
    --app-border: rgba(234, 88, 12, 0.2);
    --app-radius: 1.35rem;
}

.bg-app {
    background: var(--app-surface);
    min-height: 100vh;
}

.app-nav {
    background: color-mix(in srgb, var(--app-surface-2) 88%, transparent) !important;
    backdrop-filter: blur(10px);
}

.avatar-thumb {
    width: 2.35rem;
    height: 2.35rem;
    object-fit: cover;
}

.cursor-pointer {
    cursor: pointer;
}

.scramble-tiles {
    min-height: 3.5rem;
}

.scramble-tile {
    user-select: none;
    background: var(--app-surface-2) !important;
}

.speed-ring {
    width: 5rem;
    height: 5rem;
    font-size: 1rem;
}

.min-h-speed {
    min-height: 5.5rem;
}

.match-drag-tile {
    user-select: none;
}

.match-drag-en {
    min-height: 12rem;
}

.profile-avatar-preview {
    width: 7rem;
    height: 7rem;
    object-fit: cover;
}

.avatar-preset-radio:checked + label .avatar-preset-card,
.avatar-preset-radio:hover + label .avatar-preset-card {
    outline: 3px solid rgb(var(--app-rgb-brand));
    outline-offset: 2px;
}

.avatar-preset-card {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.avatar-preset-card:hover {
    transform: scale(1.04);
}

.brand-mark {
    letter-spacing: -0.03em;
    background: linear-gradient(120deg, rgb(var(--app-rgb-brand)), rgb(var(--app-rgb-accent)));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent !important;
}

.card-elevated {
    background: var(--app-surface-2);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
}

.stat-pill {
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
    background: color-mix(in srgb, rgb(var(--app-rgb-brand)) 12%, transparent);
    color: rgb(var(--app-rgb-brand));
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-primary {
    --bs-btn-bg: rgb(var(--app-rgb-brand));
    --bs-btn-border-color: rgb(var(--app-rgb-brand));
    --bs-btn-hover-bg: color-mix(in srgb, rgb(var(--app-rgb-brand)) 88%, black);
    --bs-btn-hover-border-color: color-mix(in srgb, rgb(var(--app-rgb-brand)) 88%, black);
}

.form-range:focus {
    box-shadow: 0 0 0 0.2rem color-mix(in srgb, rgb(var(--app-rgb-brand)) 22%, transparent);
}

html.reduce-motion *, html.reduce-motion *::before, html.reduce-motion *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
}

html.high-contrast {
    --app-border: rgba(0, 0, 0, 0.35);
}

html.high-contrast .card-elevated {
    border-width: 2px;
}

@media (prefers-color-scheme: dark) {
    html[data-theme="system"].high-contrast {
        --app-border: rgba(255, 255, 255, 0.45);
    }
}

html[data-theme="dark"] .text-app-muted,
html[data-theme="kids"] .text-app-muted {
    opacity: 0.9;
}

/* play.php — alıştırma / kart sekmeleri */
.langoo-play-tabs .nav-link {
    border: 1px solid var(--app-border);
    color: var(--app-text-muted);
}
.langoo-play-tabs .nav-link.active {
    background: rgb(var(--app-rgb-brand) / 0.12);
    border-color: rgb(var(--app-rgb-brand) / 0.35);
    color: rgb(var(--app-rgb-brand));
    font-weight: 600;
}

/* Çevirmeli ezber kartı */
.langoo-flip-scene {
    perspective: 1100px;
    max-width: 26rem;
    min-height: 200px;
}
.langoo-flip-inner {
    position: relative;
    width: 100%;
    min-height: 200px;
    transform-style: preserve-3d;
    transition: transform 0.55s cubic-bezier(0.4, 0.2, 0.2, 1);
    cursor: pointer;
    outline: none;
}
.langoo-flip-inner.is-flipped {
    transform: rotateY(180deg);
}
.langoo-flip-face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border: 1px solid var(--app-border);
}
.langoo-flip-front {
    background: linear-gradient(160deg, rgb(var(--app-rgb-brand) / 0.14) 0%, var(--app-surface-2) 55%);
}
.langoo-flip-back {
    transform: rotateY(180deg);
    background: linear-gradient(200deg, color-mix(in srgb, rgb(var(--app-rgb-accent)) 18%, var(--app-surface-2)) 0%, var(--app-surface-2) 60%);
}
.langoo-deck-dot.active {
    transform: scale(1.15);
}

.langoo-flip-inner.langoo-card-mastered:not(.is-flipped) .langoo-flip-front,
.langoo-flip-inner.langoo-card-mastered.is-flipped .langoo-flip-back {
    box-shadow: inset 0 0 0 2px rgba(25, 135, 84, 0.35);
}
.langoo-speak-en:focus {
    box-shadow: 0 0 0 0.2rem rgba(var(--app-rgb-brand), 0.25);
}

/* play.php — düzensiz fiil quiz */
.langoo-verb-game .lead {
    line-height: 1.45;
}

details.langoo-verb-ref summary {
    cursor: pointer;
    list-style: none;
}
details.langoo-verb-ref summary::-webkit-details-marker {
    display: none;
}

/* Mobil — soldan offcanvas menü + alt ikon tab bar (app benzeri) */
.langoo-nav-drawer {
    max-width: min(22rem, 92vw);
}

.langoo-mobile-tabbar {
    display: none;
}

@media (max-width: 991.98px) {
    .langoo-mobile-tabbar {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1030;
        align-items: stretch;
        justify-content: space-around;
        gap: 0;
        min-height: 3.5rem;
        padding: 0.35rem 0.5rem calc(0.35rem + env(safe-area-inset-bottom, 0px));
        background: color-mix(in srgb, var(--app-surface-2) 94%, transparent);
        -webkit-backdrop-filter: blur(12px);
        backdrop-filter: blur(12px);
        border-top: 1px solid var(--app-border);
        box-shadow: 0 -8px 28px color-mix(in srgb, var(--app-text) 12%, transparent);
    }

    .langoo-tab {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.2rem;
        min-width: 0;
        padding: 0.25rem 0.35rem;
        font-size: 0.65rem;
        font-weight: 600;
        letter-spacing: 0.02em;
        text-align: center;
        text-decoration: none;
        color: var(--app-text-muted);
        border-radius: 0.65rem;
        transition: color 0.15s ease, background 0.15s ease;
    }

    .langoo-tab i {
        font-size: 1.28rem;
        line-height: 1;
    }

    .langoo-tab:hover,
    .langoo-tab:focus-visible {
        color: var(--app-text);
        background: rgb(var(--app-rgb-brand) / 0.08);
    }

    .langoo-tab.active {
        color: rgb(var(--app-rgb-brand));
        background: rgb(var(--app-rgb-brand) / 0.12);
    }

    .langoo-has-mobile-tab .langoo-main-pad {
        padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
    }

    .langoo-has-mobile-tab .langoo-site-footer {
        padding-bottom: calc(4.25rem + env(safe-area-inset-bottom, 0px));
    }
}