:root {
    --bg: #0f172a;
    --panel: #111c33;
    --panel2: #172554;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --line: rgba(255,255,255,.12);
    --primary: #2563eb;
    --primary2: #7c3aed;
    --green: #16a34a;
    --red: #dc2626;
    --yellow: #f59e0b;
    --cyan: #0891b2;
    --white: #ffffff;
    --shadow: 0 18px 45px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(124,58,237,.28), transparent 38%),
        radial-gradient(circle at top right, rgba(8,145,178,.18), transparent 34%),
        var(--bg);
    min-height: 100vh;
}

a { color: inherit; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 18px 28px;
    border-bottom: 1px solid var(--line);
    background: rgba(15,23,42,.88);
    backdrop-filter: blur(12px);
}
.topbar h1 { margin: 0; font-size: 28px; }
.topbar p { margin: 3px 0 0; color: var(--muted); }
.topbar nav { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.topbar nav a { text-decoration: none; font-weight: 700; color: var(--text); padding: 9px 12px; border-radius: 10px; }
.topbar nav a:hover { background: rgba(255,255,255,.08); }

.container { max-width: 1280px; margin: 0 auto; padding: 26px; }
.hero { display: grid; grid-template-columns: .8fr 1.2fr; gap: 24px; align-items: start; }
.hero h2 { font-size: 42px; line-height: 1.04; margin: 14px 0; }
.hero p { color: var(--muted); font-size: 17px; line-height: 1.55; }
.features { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.features span, .pill { display: inline-flex; align-items: center; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.07); color: #dbeafe; font-weight: 800; font-size: 13px; }
.auth-grid { display: grid; grid-template-columns: repeat(2, minmax(240px, 1fr)); gap: 16px; }

.card, .product-card, .dashboard { background: rgba(17,28,51,.86); border: 1px solid var(--line); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.card h2, .card h3 { margin-top: 0; }
.card p, .muted { color: var(--muted); }
.quick-card { background: linear-gradient(135deg, rgba(37,99,235,.28), rgba(124,58,237,.18)); }
.fatal { max-width: 760px; margin: 70px auto; }
.install-page { max-width: 760px; }

input, select, textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(255,255,255,.08);
    color: var(--text);
    padding: 11px 12px;
    border-radius: 12px;
    outline: none;
    font: inherit;
    margin: 6px 0 10px;
}
select option { color: #111827; }
textarea { min-height: 94px; resize: vertical; }
label { display: block; color: var(--muted); font-size: 13px; font-weight: 800; margin-top: 5px; }
small { color: var(--muted); }

.btn, button.btn, a.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 7px;
    border: 0;
    background: rgba(255,255,255,.1);
    color: white;
    text-decoration: none;
    padding: 10px 13px;
    border-radius: 12px;
    font-weight: 900;
    cursor: pointer;
    margin: 4px 4px 4px 0;
}
.btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn.primary { background: linear-gradient(135deg, var(--primary), var(--primary2)); }
.btn.danger { background: var(--red); }
.btn.small { padding: 7px 9px; font-size: 12px; border-radius: 9px; }

.alert { padding: 13px 15px; border-radius: 13px; margin: 12px 0 18px; border: 1px solid var(--line); font-weight: 800; }
.alert.success { background: rgba(22,163,74,.18); color: #bbf7d0; }
.alert.error { background: rgba(220,38,38,.20); color: #fecaca; }
.alert.info { background: rgba(37,99,235,.18); color: #bfdbfe; }
.alert.warning { background: rgba(245,158,11,.18); color: #fde68a; }

.dashboard { display: grid; grid-template-columns: 1fr 1.4fr; gap: 20px; margin-bottom: 22px; }
.welcome h2 { margin: 12px 0 4px; font-size: 30px; }
.refresh { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.refresh input { width: auto; margin: 0; }
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.small-stats { grid-template-columns: repeat(4, 1fr); margin-bottom: 16px; }
.stats div { padding: 14px; border-radius: 15px; background: rgba(255,255,255,.07); border: 1px solid var(--line); }
.stats strong { display: block; font-size: 25px; }
.stats span { color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; }

.section { margin-top: 24px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 14px; }
.section-head h2 { margin: 0; }
.section-head input { max-width: 420px; margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; align-items: start; }
.form-grid textarea { grid-column: span 2; }
.form-grid button { align-self: end; }
.inline-form { display: grid; grid-template-columns: 1fr 1.5fr auto; gap: 8px; align-items: center; }
.inline-form input { margin: 0; }
.category-line { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 8px; align-items: center; width: 100%; }
.category-line input { margin: 0; }
.mini-form { display: grid; gap: 5px; margin-top: 10px; min-width: 230px; }
.mini-form input, .mini-form select, .mini-form textarea { margin: 0; font-size: 13px; }
summary { cursor: pointer; list-style: none; }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(260px, 1fr)); gap: 16px; }
.product-card { display: flex; flex-direction: column; gap: 10px; }
.product-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.product-card h3 { font-size: 22px; margin: 0; }
.product-card p { color: var(--muted); margin: 0; line-height: 1.45; }
.prices { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.prices span { background: rgba(255,255,255,.07); border-radius: 12px; padding: 10px; color: var(--muted); }
.prices strong { display: block; color: var(--text); font-size: 18px; }
.meta { font-size: 13px; }
.report-form { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
.report-form input { margin: 0; }

.progress { height: 11px; background: rgba(255,255,255,.11); border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.progress div { height: 100%; background: linear-gradient(90deg, var(--cyan), var(--green)); }
.badge { display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 900; border: 1px solid var(--line); background: rgba(255,255,255,.07); }
.badge.success { background: rgba(22,163,74,.18); color: #bbf7d0; }
.badge.danger { background: rgba(220,38,38,.18); color: #fecaca; }
.badge.warning { background: rgba(245,158,11,.18); color: #fde68a; }
.badge.info { background: rgba(8,145,178,.18); color: #bae6fd; }

.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.table-wrap.compact table { min-width: 620px; }
table { width: 100%; border-collapse: collapse; min-width: 820px; }
th, td { padding: 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; }
td small { display: block; max-width: 350px; }

.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.list li { padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.05); display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; align-items: center; }
.list li.read { opacity: .65; }
.list li strong { color: var(--text); }
.list li span { color: var(--muted); }
.list li small { width: 100%; }

@media (max-width: 1020px) {
    .hero, .dashboard, .grid-2 { grid-template-columns: 1fr; }
    .auth-grid, .product-grid { grid-template-columns: 1fr; }
    .stats, .small-stats { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .form-grid textarea { grid-column: auto; }
    .topbar { flex-direction: column; align-items: flex-start; }
    .section-head { flex-direction: column; align-items: stretch; }
}