:root {
  --bg: #05070c;
  --bg-alt: #0b0f17;
  --panel: rgba(13, 18, 30, 0.82);
  --panel-solid: #0d1422;
  --panel-strong: rgba(18, 24, 39, 0.95);
  --line: rgba(173, 184, 255, 0.12);
  --line-strong: rgba(173, 184, 255, 0.24);
  --text: #ecf2ff;
  --muted: #adb7d3;
  --steel: #b8c4d9;
  --purple: #8f6bff;
  --purple-strong: #a78bfa;
  --glow: rgba(143, 107, 255, 0.22);
  --radius: 24px;
  --radius-sm: 16px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --success: #67dba8;
  --warn: #f8c664;
  --danger: #ff8a8a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(143, 107, 255, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(140, 168, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.02), transparent 20%),
    var(--bg);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.site-shell { position: relative; overflow: clip; }
.site-shell::before,
.app-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,0.22) 0.75px, transparent 0.75px);
  background-size: 120px 120px;
  opacity: 0.14;
}

.container { width: min(calc(100% - 32px), 1200px); margin: 0 auto; }
.header { position: sticky; top: 0; z-index: 30; backdrop-filter: blur(18px); background: rgba(5,7,12,0.72); border-bottom: 1px solid rgba(255,255,255,0.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 0; }
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-mark { width: 42px; height: 42px; border-radius: 14px; padding: 7px; background: linear-gradient(145deg, rgba(255,255,255,0.08), rgba(143,107,255,0.1)); border: 1px solid rgba(255,255,255,0.08); box-shadow: inset 0 1px 0 rgba(255,255,255,0.06); }
.brand-copy { display: grid; gap: 2px; }
.brand-copy strong { font-size: 0.95rem; letter-spacing: 0.18em; }
.brand-copy span { color: var(--muted); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.nav a { padding: 10px 14px; border-radius: 999px; color: var(--muted); font-size: 0.94rem; transition: 160ms ease; }
.nav a:hover, .nav a.active { color: var(--text); background: rgba(255,255,255,0.04); }
.nav a.nav-cta { color: #fff; background: linear-gradient(135deg, rgba(143,107,255,.95), rgba(90,67,196,.95)); border: 1px solid rgba(167,139,250,.45); box-shadow: 0 14px 34px rgba(122,94,255,.24); font-weight: 700; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 999px; padding: 13px 18px; border: 1px solid transparent; font-weight: 700; transition: transform .16s ease, background .16s ease, border-color .16s ease, box-shadow .16s ease; }
.button:hover { transform: translateY(-1px); }
.button.primary { background: linear-gradient(135deg, var(--purple), #6d51dd); color: #fff; box-shadow: 0 16px 38px rgba(122, 94, 255, 0.28); }
.button.secondary { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.08); color: var(--text); }
.button.slim { padding: 10px 14px; font-size: .92rem; }

.hero { padding: 72px 0 36px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: stretch; }
.hero-card, .panel { background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero-copy { padding: 34px; }
.hero-copy h1 { margin: 18px 0 16px; font-size: clamp(2.6rem, 6vw, 4.2rem); line-height: .95; letter-spacing: -.05em; }
.hero-copy p { max-width: 62ch; color: var(--muted); font-size: 1.05rem; line-height: 1.7; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero-visual { position: relative; overflow: hidden; min-height: 420px; }
.hero-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,7,12,.14), rgba(5,7,12,.82)); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.03); }
.kicker { display: inline-block; padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); color: var(--muted); letter-spacing: .08em; font-size: .78rem; text-transform: uppercase; }

.section-tight { padding: 32px 0 64px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.section-heading h2 { margin: 8px 0 0; font-size: 2rem; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.item-card { overflow: hidden; display: grid; }
.item-card .item-image { aspect-ratio: 16/9; background: rgba(255,255,255,.04); border-bottom: 1px solid var(--line); }
.item-card .item-image img { width: 100%; height: 100%; object-fit: cover; }
.item-card .item-copy { padding: 18px; display: grid; gap: 12px; }
.muted { color: var(--muted); }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { border-radius: 999px; padding: 7px 10px; font-size: .78rem; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--muted); }
.price { font-size: 1.2rem; font-weight: 800; }
.empty-state { padding: 24px; }

.center-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.auth-card { width: min(100%, 520px); padding: 32px; }
.auth-card h1 { margin: 16px 0 10px; }
.auth-logo { width: 72px; height: 72px; margin-bottom: 12px; }
.stack-form { display: grid; gap: 14px; margin: 20px 0; }
label { display: grid; gap: 8px; color: var(--muted); font-size: .95rem; }
input, textarea, select {
  width: 100%; border-radius: 16px; border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04); color: #fff; padding: 13px 14px;
}
select, select option, select optgroup { color: #fff; background: #121826; }
textarea { min-height: 110px; resize: vertical; }
.helper { color: var(--muted); }
.inline-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 290px 1fr; }
.sidebar { margin: 16px; padding: 18px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 16px; height: calc(100vh - 32px); }
.sidebar-brand { display: flex; align-items: center; gap: 14px; padding: 8px; border-radius: 18px; background: rgba(255,255,255,.03); }
.sidebar-brand strong { display: block; letter-spacing: .16em; }
.sidebar-brand span { color: var(--muted); font-size: .82rem; text-transform: uppercase; }
.sidebar-logo { width: 46px; height: 46px; border-radius: 14px; background: rgba(255,255,255,.04); padding: 8px; }
.sidebar-nav { display: grid; gap: 6px; }
.sidebar-group-label { color: var(--muted); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; margin: 14px 10px 2px; }
.sidebar-nav a { padding: 12px 14px; border-radius: 14px; color: var(--muted); }
.sidebar-nav a.active, .sidebar-nav a:hover { color: var(--text); background: rgba(255,255,255,.05); }
.sidebar-footer { margin-top: auto; display: grid; gap: 10px; }
.app-main { padding: 16px 16px 32px 0; }
.app-topbar { padding: 24px 26px; display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 18px; }
.app-topbar h1 { margin: 4px 0 8px; font-size: clamp(2rem, 4vw, 2.8rem); }
.app-topbar p { margin: 0; color: var(--muted); }
.eyebrow { color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .74rem; }
.session-pill { padding: 10px 14px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--muted); white-space: nowrap; }

.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat-card { padding: 20px; }
.stat-card h3 { margin: 0 0 10px; color: var(--muted); font-size: .9rem; }
.stat-card strong { font-size: 2rem; }
.stat-card span { display: block; color: var(--muted); margin-top: 6px; }
.two-col { display: grid; grid-template-columns: 420px minmax(0, 1fr); gap: 16px; }
.form-panel, .table-card { padding: 20px; }
.form-panel h2, .table-card h2, .panel h2 { margin-top: 0; }
.form-grid { display: grid; gap: 14px; }
.form-grid.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid rgba(255,255,255,.06); vertical-align: top; }
.table th { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line); font-size: .78rem; }
.status.ok { color: var(--success); }
.status.warn { color: var(--warn); }
.status.danger { color: var(--danger); }
.small { font-size: .84rem; color: var(--muted); }
.hidden { display: none !important; }
.notice { padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.04); border: 1px solid var(--line); color: var(--muted); }

@media (max-width: 1100px) {
  .hero-grid, .two-col, .stats-grid, .card-grid, .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; margin: 16px 16px 0; }
  .app-main { padding: 16px; }
}