:root {
    --ink: #1a2a22;
    --ink-soft: #3d5248;
    --paper: #f3f7f2;
    --surface: rgba(255, 255, 255, 0.78);
    --line: rgba(26, 42, 34, 0.12);
    --accent: #e85d04;
    --accent-deep: #c44d03;
    --teal: #0f766e;
    --teal-soft: #14b8a6;
    --shadow: 0 18px 40px rgba(15, 40, 30, 0.08);
    --radius: 18px;
    --font-display: "Open Sans", "Segoe UI", sans-serif;
    --font-body: "Open Sans", "Segoe UI", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.5;
}

.page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 80% 50% at 10% -10%, rgba(20, 184, 166, 0.22), transparent 55%),
        radial-gradient(ellipse 70% 45% at 90% 0%, rgba(232, 93, 4, 0.16), transparent 50%),
        linear-gradient(165deg, #eef6f1 0%, #f7f3ec 48%, #e8f2ee 100%);
}

.page-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230f766e' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.container {
    width: min(1080px, calc(100% - 2rem));
    margin-inline: auto;
}

.site-header {
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(10px);
    background: rgba(243, 247, 242, 0.7);
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 12px;
    background: linear-gradient(145deg, var(--accent), #f48c06);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    animation: mark-in 0.7s ease both;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.15rem;
}

.brand-sub {
    font-size: 0.8rem;
    color: var(--ink-soft);
    font-weight: 600;
}

.header-meta {
    margin: 0;
    font-size: 0.82rem;
    color: var(--ink-soft);
}

.hero {
    padding: 3.5rem 0 2rem;
}

.hero-compact {
    padding-top: 2.2rem;
}

.hero-inner {
    max-width: 40rem;
    animation: rise 0.8s ease both;
}

.back-link {
    display: inline-block;
    margin-bottom: 0.85rem;
    font-weight: 800;
    font-size: 0.92rem;
    color: var(--teal);
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

.hero-brand {
    margin: 0 0 0.75rem;
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    background: linear-gradient(120deg, var(--ink) 30%, var(--teal));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-lead {
    margin: 0 0 1.25rem;
    font-size: 1.1rem;
    color: var(--ink-soft);
    max-width: 34rem;
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.95rem;
    color: var(--ink-soft);
    animation: rise 0.9s 0.12s ease both;
}

.hero-stats strong {
    color: var(--teal);
    font-weight: 800;
}

.dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--ink-soft);
    opacity: 0.5;
    display: inline-block;
}

.catalog {
    padding-bottom: 4rem;
}

.toolbar {
    margin-bottom: 1.75rem;
    animation: rise 0.75s 0.18s ease both;
}

.search-wrap input {
    width: min(420px, 100%);
    padding: 0.85rem 1.1rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface);
    font: inherit;
    font-size: 1rem;
    color: var(--ink);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-wrap input:focus {
    border-color: var(--teal-soft);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.18);
}

.category-grid,
.game-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 1.15rem;
}

.category-card,
.game-card {
    --card-bg: #ffffff;
    --card-border: rgba(26, 42, 34, 0.1);
    --card-accent: var(--teal);
    --card-icon-bg: rgba(15, 118, 110, 0.14);
    animation: rise 0.65s ease both;
    animation-delay: var(--delay, 0s);
}

.card-tone-1 {
    --card-bg: linear-gradient(155deg, #e8f7f3 0%, #d5f0ea 55%, #c8ebe3 100%);
    --card-border: rgba(15, 118, 110, 0.22);
    --card-accent: #0f766e;
    --card-icon-bg: rgba(15, 118, 110, 0.18);
}

.card-tone-2 {
    --card-bg: linear-gradient(155deg, #fff3e8 0%, #ffe4cc 55%, #ffd7b5 100%);
    --card-border: rgba(232, 93, 4, 0.24);
    --card-accent: #c44d03;
    --card-icon-bg: rgba(232, 93, 4, 0.16);
}

.card-tone-3 {
    --card-bg: linear-gradient(155deg, #eef4ff 0%, #dce8ff 55%, #d0e0ff 100%);
    --card-border: rgba(37, 99, 235, 0.22);
    --card-accent: #1d4ed8;
    --card-icon-bg: rgba(37, 99, 235, 0.14);
}

.card-tone-4 {
    --card-bg: linear-gradient(155deg, #f3efe8 0%, #ebe3d4 55%, #e4d9c6 100%);
    --card-border: rgba(120, 90, 40, 0.2);
    --card-accent: #7a5c2e;
    --card-icon-bg: rgba(122, 92, 46, 0.14);
}

.card-tone-5 {
    --card-bg: linear-gradient(155deg, #f0f8e8 0%, #e2f1d3 55%, #d6eac4 100%);
    --card-border: rgba(77, 124, 15, 0.22);
    --card-accent: #3f6212;
    --card-icon-bg: rgba(77, 124, 15, 0.16);
}

.card-tone-6 {
    --card-bg: linear-gradient(155deg, #fdecef 0%, #f9d8df 55%, #f5c8d2 100%);
    --card-border: rgba(190, 24, 93, 0.2);
    --card-accent: #9d174d;
    --card-icon-bg: rgba(190, 24, 93, 0.14);
}

.category-card a {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 100%;
    padding: 1.4rem 1.25rem;
    text-decoration: none;
    color: inherit;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 22px;
    box-shadow: 0 10px 28px rgba(15, 40, 30, 0.07);
    transition:
        transform 0.28s ease,
        box-shadow 0.28s ease,
        border-color 0.28s ease,
        filter 0.28s ease;
}

.category-card a:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 22px 40px rgba(15, 40, 30, 0.14);
    border-color: var(--card-accent);
    filter: saturate(1.08);
}

.category-card-icon {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 16px;
    background: var(--card-icon-bg);
    color: var(--card-accent);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.45rem;
    transition: transform 0.28s ease;
}

.category-card a:hover .category-card-icon {
    transform: scale(1.08) rotate(-4deg);
}

.category-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
    flex: 1;
}

.category-card-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1rem, 2.4vw, 1.3rem);
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.category-card-meta {
    font-size: 0.9rem;
    color: var(--ink-soft);
    font-weight: 700;
}

.category-card-arrow {
    color: var(--card-accent);
    font-size: 1.35rem;
    font-weight: 700;
    opacity: 0.75;
    transition: transform 0.28s ease, opacity 0.28s ease;
}

.category-card a:hover .category-card-arrow {
    transform: translateX(6px);
    opacity: 1;
}

.game-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.25rem;
    padding: 1.45rem 1.3rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 22px;
    box-shadow: 0 10px 28px rgba(15, 40, 30, 0.07);
    transition:
        transform 0.28s ease,
        box-shadow 0.28s ease,
        border-color 0.28s ease,
        filter 0.28s ease;
}

.game-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 22px 40px rgba(15, 40, 30, 0.14);
    border-color: var(--card-accent);
    filter: saturate(1.08);
}

.game-card-body h2 {
    margin: 0 0 0.4rem;
    font-family: var(--font-display);
    font-size: clamp(1rem, 2.4vw, 1.3rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.game-card-folder {
    margin: 0;
    font-size: 0.84rem;
    color: var(--ink-soft);
    word-break: break-all;
    font-weight: 600;
}

.game-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.45rem;
    padding: 0.45rem 1rem;
    border-radius: 12px;
    font: inherit;
    font-weight: 800;
    font-size: 0.9rem;
    text-decoration: none;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

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

.btn-play {
    background: var(--accent);
    color: #fff;
    flex: 1;
}

.btn-play:hover {
    background: var(--accent-deep);
}

.btn-download {
    background: transparent;
    color: var(--teal);
    border-color: rgba(15, 118, 110, 0.4);
    flex: 1;
}

.btn-download:hover {
    background: rgba(15, 118, 110, 0.08);
    border-color: var(--teal);
}

.empty-state,
.no-results {
    padding: 2.5rem 1.5rem;
    text-align: center;
    background: var(--surface);
    border: 1px dashed rgba(15, 118, 110, 0.35);
    border-radius: var(--radius);
}

.empty-state h2,
.no-results {
    font-family: var(--font-display);
    margin: 0 0 0.5rem;
}

.empty-state p {
    margin: 0;
    color: var(--ink-soft);
}

.empty-state a {
    color: var(--teal);
    font-weight: 700;
}

.empty-state code {
    font-size: 0.9em;
    background: rgba(15, 118, 110, 0.1);
    padding: 0.1em 0.35em;
    border-radius: 4px;
}

.site-footer {
    padding: 1.5rem 0 2rem;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 0.88rem;
}

.site-footer p {
    margin: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.category-card[hidden],
.game-card[hidden] {
    display: none !important;
}

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes mark-in {
    from {
        opacity: 0;
        transform: scale(0.7) rotate(-8deg);
    }
    to {
        opacity: 1;
        transform: scale(1) rotate(0);
    }
}

@media (max-width: 720px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero {
        padding-top: 2.4rem;
    }

    .category-grid,
    .game-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}