:root {
    --bg-primary: #03060f;
    --bg-secondary: rgba(10, 18, 35, 0.76);
    --bg-card: rgba(10, 17, 30, 0.62);
    --bg-card-soft: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border: rgba(156, 190, 255, 0.14);
    --border-strong: rgba(111, 168, 255, 0.28);
    --text-primary: #f7faff;
    --text-secondary: #a4b6d3;
    --text-muted: #6d7f9c;
    --accent-blue: #3da9ff;
    --accent-blue-2: #69bfff;
    --accent-purple: #6c7cff;
    --accent-cyan: #74f0ff;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: 0.25s cubic-bezier(.2,.8,.2,1);
    --shadow-card: 0 30px 80px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 0 1px rgba(255,255,255,0.05), 0 20px 60px rgba(45,116,255,0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif; font-size: 16px; scroll-behavior: smooth; }
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.site-bg {
    position: fixed; inset: 0; z-index: 0; overflow: hidden;
    background:
        radial-gradient(circle at 15% 20%, rgba(58, 126, 255, 0.2), transparent 34%),
        radial-gradient(circle at 85% 18%, rgba(67, 224, 255, 0.14), transparent 24%),
        radial-gradient(circle at 80% 85%, rgba(108, 124, 255, 0.16), transparent 28%),
        linear-gradient(180deg, #03060f 0%, #02040b 100%);
}
.site-bg-grid {
    position: absolute; inset: -10%;
    background-image:
        linear-gradient(rgba(107, 167, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(107, 167, 255, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(circle at center, rgba(0,0,0,0.8), transparent 86%);
    animation: gridMove 18s linear infinite;
}
.site-bg-glow {
    position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.4;
}
.site-bg-glow-1 {
    width: 360px; height: 360px; left: -80px; top: 120px;
    background: rgba(61, 169, 255, 0.22); animation: floatOrb 14s ease-in-out infinite;
}
.site-bg-glow-2 {
    width: 440px; height: 440px; right: -140px; bottom: -40px;
    background: rgba(108, 124, 255, 0.18); animation: floatOrb 18s ease-in-out infinite reverse;
}
.site-bg-particles { position: absolute; inset: 0; }
.bg-particle {
    position: absolute; border-radius: 50%;
    background: rgba(123, 190, 255, 0.5);
    box-shadow: 0 0 16px rgba(115, 202, 255, 0.35);
    animation: floatParticle linear infinite;
}

.page-wrapper { position: relative; z-index: 1; display: flex; flex-direction: column; min-height: 100vh; }
a { color: var(--accent-blue-2); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-cyan); }

.navbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(3, 7, 15, 0.56);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.navbar-inner {
    max-width: 1240px; margin: 0 auto; padding: 0 24px; height: 76px;
    display: flex; align-items: center; justify-content: space-between;
}
.navbar-brand { display: flex; align-items: center; gap: 12px; color: var(--text-primary); text-decoration: none; }
.brand-icon { width: 36px; height: 36px; flex-shrink: 0; }
.brand-name { font-size: 1.65rem; font-weight: 500; letter-spacing: -0.03em; color: #fff; }
.navbar-links { display: flex; align-items: center; gap: 10px; }
.nav-link, .nav-btn, .nav-user {
    border-radius: 999px; padding: 10px 16px; font-size: 0.92rem; font-weight: 500;
    transition: all var(--transition);
}
.nav-link { color: var(--text-secondary); background: transparent; }
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-btn {
    color: #fff;
    background: linear-gradient(135deg, rgba(61, 169, 255, 0.92), rgba(108, 124, 255, 0.92));
    box-shadow: 0 10px 30px rgba(61,169,255,0.18);
}
.nav-btn:hover { color: #fff; transform: translateY(-1px); }
.nav-user { color: var(--text-secondary); background: rgba(255,255,255,0.04); border: 1px solid var(--border); }
.navbar-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.navbar-toggle span { width: 22px; height: 2px; background: var(--text-secondary); border-radius: 2px; transition: all var(--transition); }

main { flex: 1; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.hero { padding: 72px 0 54px; }
.hero-compact { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 176px); }
.hero-shell {
    width: 100%; max-width: 980px; margin: 0 auto;
    padding: 28px;
}
.glass-panel {
    background: linear-gradient(180deg, rgba(10, 18, 35, 0.76), rgba(9, 14, 24, 0.64));
    border: 1px solid rgba(156, 190, 255, 0.12);
    box-shadow: var(--shadow-card), var(--shadow-glow);
    backdrop-filter: blur(24px);
    border-radius: var(--radius-xl);
}
.hero-grid {
    display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 28px; align-items: center;
}
.hero-left, .hero-right { min-width: 0; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 14px; border-radius: 999px;
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em;
    color: var(--accent-blue-2); background: rgba(61,169,255,0.09); border: 1px solid rgba(61,169,255,0.18);
    margin-bottom: 18px;
}
.hero-title {
    font-size: clamp(2rem, 4vw, 3.3rem);
    font-weight: 700; line-height: 1.05; letter-spacing: -0.04em;
    margin-bottom: 18px;
}
.hero-title.compact { max-width: 420px; }
.hero-desc {
    font-size: 1rem; color: var(--text-secondary); max-width: 460px;
    margin-bottom: 26px;
}
.hero-meta-grid { display: grid; gap: 12px; }
.meta-pill {
    padding: 14px 16px; border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
}
.meta-pill strong { display: block; font-size: 0.96rem; color: #fff; margin-bottom: 2px; }
.meta-pill span { font-size: 0.83rem; color: var(--text-secondary); }

.upload-box {
    background: linear-gradient(180deg, rgba(7, 12, 22, 0.74), rgba(6, 11, 20, 0.7));
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 28px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(18px);
}
.upload-box::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(135deg, rgba(61,169,255,0.08), transparent 35%, transparent 65%, rgba(108,124,255,0.08));
}
.upload-box.drag-over {
    border-color: var(--border-strong);
    box-shadow: 0 0 0 1px rgba(61,169,255,0.2), 0 0 50px rgba(61,169,255,0.12);
}
.upload-drop-zone {
    position: relative; z-index: 1;
    min-height: 310px;
    border: 1px dashed rgba(184, 215, 255, 0.18);
    border-radius: 24px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 14px; padding: 34px 24px; text-align: center; cursor: pointer;
    background: rgba(255,255,255,0.015);
}
.upload-icon {
    width: 64px; height: 64px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: rgba(61,169,255,0.08);
    border: 1px solid rgba(61,169,255,0.18);
    color: var(--accent-blue-2);
}
.upload-icon-lg { width: 76px; height: 76px; }
.upload-icon svg { width: 30px; height: 30px; }
.upload-title { font-size: 1.25rem; font-weight: 700; }
.upload-subtitle { color: var(--text-secondary); font-size: 0.95rem; }
.upload-limit { color: var(--text-muted); font-size: 0.84rem; }
#file-input { display: none; }
.file-list { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.file-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border-radius: 14px;
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
}
.file-item-icon { font-size: 1.1rem; }
.file-item-info { flex: 1; min-width: 0; }
.file-item-name { font-size: 0.9rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-item-size { font-size: 0.76rem; color: var(--text-muted); }
.file-item-remove {
    width: 30px; height: 30px; border-radius: 50%; border: none; cursor: pointer;
    background: rgba(255,255,255,0.04); color: var(--text-muted); font-size: 1.2rem; line-height: 1;
}
.file-item-remove:hover { color: #fff; background: rgba(239, 68, 68, 0.18); }

.upload-options {
    margin-top: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.option-group, .form-group { display: flex; flex-direction: column; gap: 7px; }
.option-group-full { grid-column: 1 / -1; }
.option-group label, .form-label { font-size: 0.82rem; font-weight: 600; color: #dbe6fb; }
.option-group select, .option-group input, .form-input, .admin-input {
    width: 100%;
    background: rgba(255,255,255,0.045);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text-primary);
    border-radius: 14px;
    padding: 12px 14px; font-size: 0.92rem; font-family: inherit;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.option-group select:focus, .option-group input:focus, .form-input:focus, .admin-input:focus {
    outline: none;
    border-color: rgba(61,169,255,0.48);
    background: rgba(61,169,255,0.06);
    box-shadow: 0 0 0 4px rgba(61,169,255,0.08);
}
.option-group select option { background: #08111f; }
.form-hint, .upload-mini-note { font-size: 0.8rem; color: var(--text-muted); }
.upload-actions-row {
    margin-top: 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.upload-progress { margin-top: 16px; display: none; }
.progress-bar-outer { height: 7px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow: hidden; }
.progress-bar-inner { height: 100%; width: 0%; border-radius: inherit; background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple)); transition: width 0.3s ease; }
.progress-text { font-size: 0.82rem; color: var(--text-secondary); margin-top: 8px; }
.upload-result {
    margin-top: 22px; padding: 18px; display: none;
    border-radius: var(--radius-md);
    background: rgba(34,197,94,0.08); border: 1px solid rgba(34,197,94,0.18);
}
.result-headline { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.result-link-row { display: flex; gap: 10px; }
.result-link {
    flex: 1; min-width: 0; padding: 12px 14px; border-radius: 14px;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.08);
    font-family: 'JetBrains Mono', monospace; font-size: 0.84rem; color: var(--accent-cyan);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.share-buttons { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 18px; border: none; border-radius: 14px; cursor: pointer;
    font-size: 0.92rem; font-weight: 600; font-family: inherit; text-decoration: none;
    transition: all var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, rgba(61,169,255,0.96), rgba(108,124,255,0.96));
    color: #fff; box-shadow: 0 12px 30px rgba(61,169,255,0.18);
}
.btn-primary:hover { color: #fff; transform: translateY(-1px); }
.btn-secondary {
    background: rgba(255,255,255,0.05); color: var(--text-primary); border: 1px solid rgba(255,255,255,0.08);
}
.btn-secondary:hover { background: rgba(255,255,255,0.08); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--error); color: #fff; }
.btn-sm { padding: 8px 14px; font-size: 0.82rem; border-radius: 12px; }
.btn-lg { padding: 13px 24px; font-size: 0.96rem; }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }
.card {
    background: rgba(9, 15, 24, 0.74); border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg); padding: 24px; backdrop-filter: blur(18px);
}
.card-header { margin-bottom: 20px; }
.card-title { font-size: 1.1rem; font-weight: 700; }
.card-subtitle { font-size: 0.88rem; color: var(--text-secondary); margin-top: 4px; }
.alert {
    padding: 12px 16px; border-radius: 14px; font-size: 0.88rem; margin-bottom: 16px;
    display: flex; align-items: flex-start; gap: 8px;
}
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2); color: #4ade80; }
.alert-error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.2); color: #fca5a5; }
.alert-warning { background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.2); color: #fcd34d; }
.alert-info { background: rgba(61,169,255,0.12); border: 1px solid rgba(61,169,255,0.2); color: #93c5fd; }
.form-input::placeholder { color: var(--text-muted); }
.download-page, .password-gate, .error-page { max-width: 720px; margin: 80px auto; padding: 0 24px; }
.download-card, .admin-card, .settings-nav, .settings-body { background: rgba(9,15,24,0.72); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); }
.download-card { text-align: center; padding: 28px; }
.download-icon { font-size: 4rem; margin-bottom: 16px; }
.download-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.download-meta { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }
.download-files { text-align: left; margin: 24px 0; display: flex; flex-direction: column; gap: 10px; }
.download-file-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 14px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); }
.download-file-item .file-name { flex: 1; font-size: 0.9rem; font-weight: 500; }
.download-file-item .file-size { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.download-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; text-align: center; }
.stat-item { padding: 14px; background: rgba(255,255,255,0.03); border-radius: 16px; border: 1px solid rgba(255,255,255,0.06); }
.stat-value { font-size: 1.12rem; font-weight: 700; color: var(--accent-blue-2); }
.stat-label { font-size: 0.76rem; color: var(--text-muted); }
.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { background: rgba(9,15,24,0.72); border: 1px solid rgba(255,255,255,0.08); border-radius: 20px; padding: 20px; display: flex; align-items: center; gap: 16px; }
.stat-card-icon { width: 48px; height: 48px; border-radius: 16px; background: rgba(61,169,255,0.08); border: 1px solid rgba(61,169,255,0.16); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; }
.stat-card-num { font-size: 1.6rem; font-weight: 700; }
.stat-card-label { font-size: 0.82rem; color: var(--text-secondary); }
.files-table { width: 100%; border-collapse: collapse; }
.files-table th { text-align: left; padding: 10px 14px; font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); border-bottom: 1px solid rgba(255,255,255,0.08); }
.files-table td { padding: 12px 14px; font-size: 0.88rem; border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: middle; }
.files-table tr:hover td { background: rgba(255,255,255,0.025); }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 8px; border-radius: 999px; font-size: 0.72rem; font-weight: 600; }
.badge-green { background: rgba(34,197,94,0.15); color: #4ade80; }
.badge-red { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-yellow { background: rgba(245,158,11,0.15); color: #fbbf24; }
.badge-blue { background: rgba(61,169,255,0.15); color: #93c5fd; }
.qr-img { border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); background: #fff; }
.share-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; font-size: 0.82rem; font-weight: 600; border: none; cursor: pointer; transition: all var(--transition); }
.share-wa { background: rgba(37,211,102,0.15); color: #4ade80; }
.share-tg { background: rgba(0,136,204,0.15); color: #60a5fa; }
.share-mail { background: rgba(255,255,255,0.08); color: var(--text-secondary); }
.share-wa:hover, .share-tg:hover, .share-mail:hover { filter: brightness(1.1); }
.error-page { text-align: center; }
.error-code { font-size: 5rem; font-weight: 800; background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.error-title { font-size: 1.5rem; font-weight: 700; margin: 12px 0; }
.error-desc { color: var(--text-secondary); margin-bottom: 28px; }
.site-footer {
    margin-top: auto; padding: 24px 0 40px;
}
.footer-inner { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.footer-inner-minimal { display: flex; justify-content: center; align-items: center; }
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }
.footer-copy-centered { text-align: center; }
.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.spinner { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.25); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
.fade-in { animation: fadeIn .28s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes gridMove { from { transform: translateY(0); } to { transform: translateY(44px); } }
@keyframes floatOrb { 0%, 100% { transform: translate3d(0,0,0); } 50% { transform: translate3d(20px,-18px,0); } }
@keyframes floatParticle { 0% { transform: translate3d(0, 0, 0); opacity: 0; } 10%, 90% { opacity: .85; } 100% { transform: translate3d(20px, -120px, 0); opacity: 0; } }