/* =============================================
   RESET & BASE
============================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-from: #0f0c29;
    --bg-via: #302b63;
    --bg-to: #24243e;
    --nav-bg: rgba(15, 12, 41, 0.75);
    --card-bg: rgba(255, 255, 255, 0.07);
    --card-border: rgba(255, 255, 255, 0.13);
    --text: #f0f0ff;
    --text-muted: rgba(240, 240, 255, 0.5);
    --accent: #a78bfa;
    --accent2: #43e0ff;
    --danger: #f43f5e;
    --cell-bg: rgba(255, 255, 255, 0.06);
    --cell-hover: rgba(255, 255, 255, 0.12);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    --radius: 20px;
    --transition: 0.2s ease;
}

body.light {
    --bg-from: #e8eaf6;
    --bg-via: #c5cae9;
    --bg-to: #ede7f6;
    --nav-bg: rgba(232, 234, 246, 0.85);
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(90, 50, 200, 0.15);
    --text: #1a1040;
    --text-muted: rgba(26, 16, 64, 0.5);
    --cell-bg: rgba(100, 80, 200, 0.07);
    --cell-hover: rgba(100, 80, 200, 0.16);
    --shadow: 0 12px 40px rgba(90, 50, 200, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-from), var(--bg-via), var(--bg-to));
    color: var(--text);
    min-height: 100dvh;
    overflow-x: hidden;
}

/* =============================================
   BACKGROUND ORBS
============================================= */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
    animation: floatOrb 14s ease-in-out infinite alternate;
}

.orb1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #7c3aed, transparent);
    top: -140px;
    left: -140px;
    opacity: .3;
    animation-duration: 16s;
}

.orb2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #06b6d4, transparent);
    bottom: -100px;
    right: -100px;
    opacity: .28;
    animation-duration: 11s;
}

.orb3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #f43f5e, transparent);
    top: 40%;
    left: 55%;
    opacity: .18;
    animation-duration: 20s;
}

@keyframes floatOrb {
    from {
        transform: translate(0, 0) scale(1);
    }

    to {
        transform: translate(28px, 38px) scale(1.07);
    }
}

/* =============================================
   NAV
============================================= */
.hub-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    font-size: 1.6rem;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-actions {
    display: flex;
    gap: 8px;
}

/* =============================================
   ICON BUTTON (shared)
============================================= */
.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background: var(--cell-bg);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    transition: background var(--transition), transform 0.15s;
}

.icon-btn:hover {
    background: var(--cell-hover);
    transform: scale(1.1);
}

/* =============================================
   HERO
============================================= */
.hero {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 52px 24px 32px;
}

.hero-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid rgba(167, 139, 250, 0.35);
    border-radius: 20px;
    padding: 4px 14px;
    margin-bottom: 16px;
    background: rgba(167, 139, 250, 0.08);
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text) 40%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 420px;
    margin: 0 auto 28px;
    line-height: 1.6;
}

/* Search */
.search-wrap {
    display: flex;
    align-items: center;
    max-width: 460px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    padding: 0 14px;
    gap: 10px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-wrap:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.18);
}

.search-icon {
    font-size: 1rem;
    opacity: 0.6;
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text);
    padding: 13px 0;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-clear {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 4px;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.search-clear.visible {
    opacity: 1;
    pointer-events: all;
}

.search-clear:hover {
    color: var(--text);
}

/* =============================================
   FILTER BAR
============================================= */
.filter-bar {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 8px;
    padding: 0 24px 20px;
    overflow-x: auto;
    scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    flex-shrink: 0;
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    background: var(--cell-bg);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.filter-tab:hover {
    background: var(--cell-hover);
    color: var(--text);
}

.filter-tab.active {
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
}

/* =============================================
   MAIN / GRID
============================================= */
.hub-main {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 100px;
}

.results-count {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 600;
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}

.game-grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

/* =============================================
   GAME CARD
============================================= */
.game-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s, border-color 0.2s;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}

.game-card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--accent);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(167, 139, 250, 0.3);
}

.game-card.fav {
    border-color: rgba(250, 204, 21, 0.45);
}

/* Card Thumb */
.card-thumb {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.8rem;
    position: relative;
    overflow: hidden;
}

.card-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.35));
}

.game-grid.compact .card-thumb {
    height: 90px;
    font-size: 2.6rem;
}

/* Badge */
.card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 3px 9px;
    border-radius: 10px;
    color: #fff;
    z-index: 2;
}

.badge-strategy {
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
}

.badge-puzzle {
    background: linear-gradient(135deg, #0891b2, #43e0ff);
}

.badge-arcade {
    background: linear-gradient(135deg, #f43f5e, #fb7185);
}

.badge-memory {
    background: linear-gradient(135deg, #059669, #34d399);
}

/* Fav star */
.card-fav-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 3;
    background: rgba(0, 0, 0, 0.4);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, background 0.2s;
}

.card-fav-btn:hover {
    transform: scale(1.2);
    background: rgba(0, 0, 0, 0.6);
}

.card-fav-btn.active {
    filter: drop-shadow(0 0 4px gold);
}

/* Card Body */
.card-body {
    padding: 14px 16px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
}

.card-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    flex: 1;
}

.game-grid.compact .card-desc {
    display: none;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

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

.card-play-btn {
    padding: 7px 16px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
    color: #fff;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.35);
}

.card-play-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(124, 58, 237, 0.5);
}

.card-play-btn:active {
    transform: scale(0.95);
}

/* Coming soon overlay */
.card-coming {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 1px;
    text-transform: uppercase;
    pointer-events: none;
}

/* =============================================
   EMPTY STATE
============================================= */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 14px;
}

.empty-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.empty-sub {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* =============================================
   PREFERENCES DRAWER
============================================= */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.drawer-overlay.show {
    opacity: 1;
    pointer-events: all;
}

.prefs-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(360px, 100vw);
    background: var(--nav-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid var(--card-border);
    z-index: 201;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.prefs-drawer.open {
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 22px;
    border-bottom: 1px solid var(--card-border);
}

.drawer-header h2 {
    font-size: 1.1rem;
    font-weight: 800;
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    scrollbar-width: thin;
    scrollbar-color: var(--card-border) transparent;
}

.pref-section h3 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.pref-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--card-border);
    font-size: 0.9rem;
}

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

/* Toggle switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
}

.toggle-switch input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-track {
    display: block;
    width: 44px;
    height: 24px;
    background: var(--cell-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    cursor: pointer;
    position: relative;
    transition: background 0.25s;
}

.toggle-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: transform 0.25s, background 0.25s;
}

.toggle-switch input:checked+.toggle-track {
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
    border-color: transparent;
}

.toggle-switch input:checked+.toggle-track::after {
    transform: translateX(20px);
    background: #fff;
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.stat-box {
    background: var(--cell-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 14px 8px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-danger {
    padding: 12px;
    border-radius: 14px;
    border: 1px solid rgba(244, 63, 94, 0.4);
    background: rgba(244, 63, 94, 0.1);
    color: #f43f5e;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
    width: 100%;
}

.btn-danger:hover {
    background: rgba(244, 63, 94, 0.2);
}

/* =============================================
   FAB
============================================= */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(124, 58, 237, 0.5);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab:hover {
    transform: scale(1.1) rotate(20deg);
    box-shadow: 0 12px 36px rgba(124, 58, 237, 0.65);
}

.fab:active {
    transform: scale(0.95);
}

/* =============================================
   TOAST
============================================= */
.toast {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(30, 20, 60, 0.95);
    border: 1px solid var(--card-border);
    color: #fff;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 30px;
    backdrop-filter: blur(12px);
    white-space: nowrap;
    z-index: 300;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 600px) {
    .hub-nav {
        padding: 12px 16px;
    }

    .hero {
        padding: 36px 16px 24px;
    }

    .hero-title {
        font-size: 1.9rem;
    }

    .filter-bar {
        padding: 0 16px 16px;
    }

    .hub-main {
        padding: 0 14px 100px;
    }

    .game-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 12px;
    }

    .fab {
        bottom: 16px;
        right: 16px;
    }
}

@media (max-width: 400px) {
    .game-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .card-thumb {
        height: 100px;
        font-size: 3rem;
    }
}