:root {
    --bg: #0b1020;
    --panel: #131a2e;
    --panel-soft: #1b2542;
    --text: #eef2ff;
    --muted: #a8b3cf;
    --accent: #5b8cff;
    --accent-2: #7c4dff;
    --success: #1fc77a;
    --danger: #ff6b6b;
    --border: rgba(255,255,255,.08);
    --shadow: 0 24px 60px rgba(0,0,0,.28);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: 'Inter', Arial, sans-serif;
    background: linear-gradient(180deg, #0b1020 0%, #111936 100%);
    color: var(--text);
    min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
code {
    padding: .15rem .4rem;
    border-radius: .35rem;
    background: rgba(255,255,255,.08);
}
.container {
    width: min(1080px, calc(100% - 2rem));
    margin: 0 auto;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(14px);
    background: rgba(11, 16, 32, .8);
    border-bottom: 1px solid var(--border);
}
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
}
.brand {
    font-weight: 800;
    letter-spacing: .02em;
}
.nav {
    display: flex;
    gap: 1rem;
    align-items: center;
}
.page-shell {
    padding: 2rem 0 3rem;
}
.hero-card, .auth-card, .panel {
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    box-shadow: var(--shadow);
}
.hero-card {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
    padding: 2rem;
}
.auth-card {
    width: min(540px, 100%);
    margin: 2rem auto 0;
    padding: 2rem;
}
.hero-grid, .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}
.metric-card, .panel {
    padding: 1.25rem;
}
.metric-card {
    border-radius: 1rem;
    background: var(--panel-soft);
    border: 1px solid var(--border);
}
.metric-card span, .panel span, .eyebrow, dt {
    display: block;
    color: var(--muted);
    font-size: .9rem;
}
.metric-card strong, .panel strong {
    display: block;
    margin-top: .35rem;
    font-size: 1.35rem;
}
h1, h2 { margin: .35rem 0 1rem; }
.lead, .muted {
    color: var(--muted);
    line-height: 1.65;
}
.button, .link-button {
    border: 0;
    border-radius: .85rem;
    font-weight: 600;
    cursor: pointer;
}
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .95rem 1.2rem;
}
.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #fff;
}
.link-button {
    background: transparent;
    color: var(--text);
    padding: 0;
}
.stack {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}
label span {
    display: block;
    margin-bottom: .4rem;
    color: var(--muted);
    font-size: .95rem;
}
input {
    width: 100%;
    padding: .95rem 1rem;
    border-radius: .85rem;
    border: 1px solid var(--border);
    background: #0d1428;
    color: var(--text);
}
.alert {
    margin-bottom: 1rem;
    padding: .9rem 1rem;
    border-radius: .8rem;
    border: 1px solid transparent;
}
.alert.success { background: rgba(31,199,122,.12); border-color: rgba(31,199,122,.3); }
.alert.error { background: rgba(255,107,107,.12); border-color: rgba(255,107,107,.3); }
.inline-form { display: inline; }
.dashboard-header { margin-bottom: 1rem; }
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}
dd { margin: .35rem 0 0; font-weight: 600; }
.narrow { max-width: 640px; margin: 2rem auto; text-align: center; }
@media (max-width: 768px) {
    .hero-card { grid-template-columns: 1fr; }
    .header-row { flex-direction: column; align-items: flex-start; }
}