:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --accent-color: #00aaff;
    --accent-hover: #33bbff;
    --text-color: #e0e0e0;
    --text-muted: #888888;
    --border-color: #333333;
    --card-shadow: 0 8px 25px rgba(0,0,0,0.2);
    --card-hover-shadow: 0 15px 35px rgba(0,0,0,0.3);
    --border-radius: 16px;
    --max-width: 1200px;
    --easing: cubic-bezier(.2,.9,.2,1);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    --gradient-dark: linear-gradient(135deg, #1e1e1e 0%, #2a2a2a 100%);
    --telegram-color: #0088cc;
    --warning-color: #ff4d4d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html,body { height: 100%; }
body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    scroll-behavior: smooth;
    opacity: 0;
    animation: fadeIn 0.8s var(--easing) forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
img { max-width: 100%; display: block; }
a { color: var(--accent-color); text-decoration: none; transition: color 0.2s var(--easing); }

header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    animation: slideDown 0.5s var(--easing);
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

nav { display:flex; align-items:center; justify-content:space-between; padding:18px 0; }
.logo { display:flex; align-items:center; gap:12px; font-weight:700; color:var(--accent-color); font-size:1.15rem; }
.logo i { animation: pulse 2s infinite; }

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.nav-links { display:flex; gap:20px; list-style:none; align-items:center; }
.nav-links a {
    font-weight:600;
    padding:8px 10px;
    border-radius:8px;
    color:var(--text-color);
    position: relative;
    overflow: hidden;
}
.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s var(--easing);
}
.nav-links a:hover::before { width: 100%; }
.nav-links a:hover { color:var(--accent-hover); }
.nav-toggle { display: none; }

.hero {
    display:flex;
    align-items:center;
    gap:24px;
    padding:72px 0;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(0, 170, 255, 0.05);
    z-index: -1;
}
.hero-content { flex:1; }
h1 {
    font-size:3.2rem;
    line-height:1.05;
    margin-bottom:12px;
    color:var(--text-color);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInLeft 0.8s var(--easing);
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.tagline {
    font-size:1.1rem;
    color: var(--text-muted);
    margin-bottom:14px;
    animation: slideInLeft 0.8s 0.2s var(--easing) both;
}
.btn {
    background: var(--gradient-accent);
    color:#fff;
    padding:12px 28px;
    border-radius:999px;
    font-weight:700;
    display:inline-block;
    box-shadow:0 8px 30px rgba(0, 170, 255, 0.15);
    transition:transform .18s var(--easing), box-shadow .18s var(--easing);
    position: relative;
    overflow: hidden;
    animation: slideInLeft 0.8s 0.4s var(--easing) both;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s var(--easing);
}
.btn:hover::before { left: 100%; }
.btn:hover, .btn:focus { transform:translateY(-3px); box-shadow:0 16px 36px rgba(0, 170, 255, 0.2); outline:none; }
.hero-image {
    flex:1;
    display:flex;
    justify-content:center;
    align-items:center;
    will-change:transform;
    transition:transform .22s var(--easing);
    animation: slideInRight 0.8s var(--easing);
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

.hero-image img {
    border-radius:var(--border-radius);
    box-shadow:0 18px 40px rgba(0,0,0,0.25);
    transition: transform 0.5s var(--easing);
}
.hero-image:hover img { transform: scale(1.03) rotate(2deg); }

.section-title {
    text-align:center;
    font-size:2.4rem;
    margin:56px 0 32px;
    color:var(--text-color);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.section-title.visible { opacity: 1; transform: translateY(0); }
.section-title::after {
    content:'';
    display:block;
    width:76px;
    height:4px;
    background:var(--accent-color);
    margin:12px auto;
    border-radius:3px;
}

.specs { margin: 40px 0; }
.spec-grid, .community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}
.spec-item, .community-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border-color);
    transition: transform 0.3s var(--easing), box-shadow 0.3s var(--easing);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.spec-item.visible, .community-card.visible { opacity: 1; transform: translateY(0); }
.spec-item:hover, .community-card:hover { transform: translateY(-5px); box-shadow: var(--card-hover-shadow); }
.spec-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}
.spec-item h3, .community-card h3 { margin-bottom: 12px; color: var(--text-color); }

.search-container { margin-bottom:18px; opacity: 0; transform: translateY(20px); transition: all 0.6s var(--easing); }
.search-container.visible { opacity: 1; transform: translateY(0); }
.search-bar {
    max-width:680px;
    margin:0 auto;
    display:flex;
    align-items:center;
    background:var(--surface-color);
    border-radius:999px;
    padding:10px 14px;
    border:2px solid var(--border-color);
    transition: all 0.3s var(--easing);
}
.search-bar:focus-within { border-color: var(--accent-color); box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.2); }
.search-bar i { margin-right:10px; color:var(--accent-color); }
.search-bar input { flex:1; border:0; background:transparent; font-size:15px; padding:8px 6px; outline:none; color:var(--text-color); }
.clear-search { background:none; border:0; cursor:pointer; display:none; color: var(--text-muted); padding:6px; transition: color 0.2s var(--easing); }
.clear-search:hover { color: var(--accent-color); }
.clear-search.show { display:inline-block; }

.filter-controls {
    display:flex;
    gap:12px;
    justify-content:center;
    margin-bottom:10px;
    flex-wrap:wrap;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.filter-controls.visible { opacity: 1; transform: translateY(0); }
.filter-btn {
    background:var(--surface-color);
    border:1px solid var(--border-color);
    color: var(--text-color);
    padding:8px 16px;
    border-radius:999px;
    cursor:pointer;
    font-weight:600;
    transition: all 0.2s var(--easing);
}
.filter-btn:hover, .filter-btn:focus { transform:translateY(-2px); outline:none; border-color: var(--accent-hover); }
.filter-btn.active {
    background:var(--accent-color);
    color:#fff;
    border-color:var(--accent-color);
    box-shadow:0 8px 24px rgba(0, 170, 255, 0.15);
}

.roms-container, .kernels-container, .recoveries-container {
    display:grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap:22px;
    align-items:start;
}
.loading, .error {
    grid-column: 1 / -1;
    text-align:center;
    color: var(--text-muted);
    padding: 30px;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    border: 1px dashed var(--border-color);
}
.loading i { animation: spin 1.5s linear infinite; display: block; margin-bottom: 10px; font-size: 1.5rem; }
.error i { color: #ff5555; display: block; margin-bottom: 10px; font-size: 1.5rem; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.rom-card, .kr-card {
    background:var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius:var(--border-radius);
    box-shadow:var(--card-shadow);
    overflow:hidden;
    transform:translateY(20px);
    opacity:0;
    transition: all 0.4s var(--easing);
    display:none;
    position: relative;
}
.rom-card::before, .kr-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--easing);
}
.rom-card:hover::before, .kr-card:hover::before { transform: scaleX(1); }
.rom-card:hover, .kr-card:hover { border-color: var(--accent-color); }
.rom-card.visible, .kr-card.visible { transform:none; opacity:1; display:flex; flex-direction:column; }

.rom-image, .kr-image { position:relative; height:200px; overflow:hidden; }
.rom-image img, .kr-image img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s var(--easing); }
.rom-card:hover .rom-image img, .kr-card:hover .kr-image img { transform:scale(1.05); }
.rom-tags { position:absolute; top:14px; left:14px; display:flex; gap:8px; z-index:2; }
.rom-tag { padding:6px 12px; border-radius:999px; font-weight:700; color:#fff; font-size:.8rem; backdrop-filter:blur(4px); }
.status-official { background:rgba(34,197,94,0.94); }
.status-unofficial { background:rgba(244,63,94,0.94); }
.build-type-gapps { background:rgba(37,99,235,0.94); }
.build-type-vanilla { background:rgba(120,120,120,0.84); }

.rom-content, .kr-content { padding:20px; display:flex; flex-direction:column; gap:10px; flex:1; }
.rom-name, .kr-name { font-size:1.25rem; font-weight:700; color:var(--text-color); }
.rom-details, .kr-details { color: var(--text-muted); font-size:0.95rem; display:flex; gap:12px; flex-wrap:wrap; align-items:center; }

.rom-buttons, .kr-buttons { display:grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap:10px; margin-top:auto; }
.rom-btn {
    padding:10px;
    border-radius:10px;
    text-align:center;
    font-weight:600;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color:var(--text-color);
    display:inline-block;
    transition: all 0.2s var(--easing);
}
.rom-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,0.2); border-color: var(--accent-hover); }
.rom-btn.download { background:var(--accent-color); color:#fff; border-color: var(--accent-color); }

.donate-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    margin: 40px 0;
    text-align: center;
    box-shadow: var(--card-shadow);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s var(--easing);
}
.donate-section.visible { opacity: 1; transform: translateY(0); }
.donate-title { font-size: 2rem; margin-bottom: 15px; color: var(--text-color); }
.donate-subtitle { color: var(--text-muted); margin-bottom: 30px; max-width: 700px; margin-left: auto; margin-right: auto; }
.donate-methods { display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; }
.donate-method {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    width: 220px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    transition: all 0.3s var(--easing);
    display: flex;
    flex-direction: column;
    align-items: center;
}
.donate-method:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.25); border-color: var(--accent-color); }
.donate-icon { width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 15px; font-size: 1.5rem; color: white; }
.donate-icon.upi { background: linear-gradient(135deg, #6A11CB 0%, #2575FC 100%); }
.donate-icon.coffee { background: linear-gradient(135deg, #F7971E 0%, #FFD200 100%); }
.donate-icon.paypal { background: linear-gradient(135deg, #0070BA 0%, #1546A0 100%); }
.donate-method h3 { margin-bottom: 10px; color: var(--text-color); }
.donate-method p { color: var(--text-muted); margin-bottom: 15px; font-size: 0.9rem; }
.donate-btn {
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s var(--easing);
    margin-top: auto;
}
.donate-btn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0, 170, 255, 0.3); }

.community-card i { font-size: 2.5rem; color: var(--telegram-color); margin-bottom: 15px; }
.community-card a {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-weight: 600;
    transition: all 0.3s var(--easing);
}
.community-card a:hover { background: var(--telegram-color); color: #fff; transform: translateY(-2px); border-color: var(--telegram-color); }
.no-results { text-align:center; padding:24px; color: var(--text-muted); font-style:italic; }

footer {
    background: var(--gradient-dark);
    color: var(--text-muted);
    padding:48px 0 24px;
    margin-top:48px;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--border-color);
}
footer::before {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(0, 170, 255, 0.05);
}
.footer-content { display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:28px; position: relative; z-index: 1; }
.footer-bottom { text-align: center; margin-top: 40px; position: relative; z-index: 1; }
.credits a { color: #fff; font-weight: 600; position: relative; }
.credits a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s var(--easing);
}
.credits a:hover::after { width: 100%; }

.footer-section.warning {
    background-color: rgba(255, 77, 77, 0.1);
    border: 1px solid var(--warning-color);
    border-radius: var(--border-radius);
    padding: 20px;
    color: var(--text-color);
}

.footer-section.warning h3 {
    color: var(--warning-color);
    margin-bottom: 10px;
}

.footer-section.warning h3 i {
    margin-right: 10px;
}

.instructions-container {
    background-color: var(--surface-color);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-top: 30px;
}
.step-list { list-style: none; padding-left: 0; counter-reset: step-counter; }
.step-list li {
    counter-increment: step-counter;
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    position: relative;
    padding-left: 60px;
}
.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-color);
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.step-content h3 { font-size: 1.2rem; margin-bottom: 5px; color: var(--text-color); }
.step-content p { color: var(--text-muted); }
.step-content code { background-color: var(--bg-color); padding: 3px 6px; border-radius: 5px; font-family: 'Courier New', Courier, monospace; }

@keyframes float { 0%,100% { transform:translateY(0); } 50% { transform:translateY(-12px); } }
.hero-image { animation: float 6s ease-in-out infinite; }
a:focus, button:focus, input:focus { outline:3px solid rgba(0, 170, 255, 0.2); outline-offset:3px; }

.rom-card.hidden, .kr-card.hidden, .rom-card.search-hidden, .kr-card.search-hidden, .hidden, .search-hidden { display:none !important; }

@media (max-width: 900px) {
    .hero { flex-direction:column; text-align:center; padding:40px 0; }
    h1 { font-size:2.4rem; }
    .roms-container, .kernels-container, .recoveries-container { grid-template-columns:1fr; }
    .spec-grid { grid-template-columns: 1fr; }
    .donate-methods { flex-direction: column; align-items: center; }
    .donate-method { width: 100%; max-width: 300px; }
    nav { padding: 12px 0; }
    .nav-links { display:flex; flex-wrap:wrap; gap:10px; justify-content: center; }
    .nav-links a { padding:6px 8px; font-size:0.95rem; }
}