:root {
    color-scheme: light;
    --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --bg: #f6f1e8;
    --bg-strong: #fffaf2;
    --surface: rgba(255, 251, 243, 0.78);
    --surface-strong: #fffefb;
    --surface-accent: linear-gradient(145deg, rgba(255, 242, 224, 0.96), rgba(255, 250, 244, 0.94));
    --text: #1c1711;
    --muted: #6c6156;
    --line: rgba(121, 95, 61, 0.18);
    --accent: #c65c1f;
    --accent-strong: #8f3812;
    --success: #27684a;
    --danger: #9d2d26;
    --shadow: 0 20px 60px rgba(78, 42, 12, 0.12);
}

[data-theme='dark'] {
    color-scheme: dark;
    --bg: #131313;
    --bg-strong: #181715;
    --surface: rgba(29, 29, 28, 0.88);
    --surface-strong: #21201e;
    --surface-accent: linear-gradient(145deg, rgba(49, 29, 20, 0.92), rgba(28, 28, 27, 0.95));
    --text: #f3ece1;
    --muted: #b4a895;
    --line: rgba(255, 221, 186, 0.14);
    --accent: #f1883d;
    --accent-strong: #ffb073;
    --success: #65c390;
    --danger: #f58c7f;
    --shadow: 0 22px 64px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.site-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(242, 163, 93, 0.22), transparent 30%),
        radial-gradient(circle at bottom right, rgba(125, 78, 34, 0.18), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-strong) 100%);
    transition: background-color 0.2s ease, color 0.2s ease;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
.site-shell { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; padding: 24px 0 56px; }
.site-header {
    display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 22px;
    border: 1px solid var(--line); border-radius: 24px; background: var(--surface); backdrop-filter: blur(18px); box-shadow: var(--shadow);
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.brand-mark {
    display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px;
    background: linear-gradient(145deg, var(--accent), var(--accent-strong)); color: #fff7ef; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
}
.site-nav, .site-actions, .hero-actions, .account-meta, .dashboard-grid, .feature-grid, .account-grid { display: flex; gap: 14px; }
.site-nav { flex: 1; justify-content: center; flex-wrap: wrap; }
.site-nav a { color: var(--muted); }
.site-actions { align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.segmented { display: inline-flex; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-strong); }
.segmented form { margin: 0; }
.segmented button { border: 0; padding: 9px 13px; border-radius: 999px; color: var(--muted); background: transparent; }
.segmented button.is-active, .segmented button[aria-pressed='true'] { color: #fff9f4; background: linear-gradient(145deg, var(--accent), var(--accent-strong)); }
.button {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 16px; padding: 12px 18px;
    background: linear-gradient(145deg, var(--accent), var(--accent-strong)); color: #fff8f2; box-shadow: var(--shadow);
}
.button-secondary { background: var(--surface-strong); color: var(--text); border: 1px solid var(--line); box-shadow: none; }
.button-block { width: 100%; }
.flash { margin-top: 18px; padding: 14px 18px; border-radius: 18px; border: 1px solid var(--line); background: var(--surface); }
.flash-success { color: var(--success); }
.flash-error { color: var(--danger); }
.hero, .account-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr); gap: 22px; margin-top: 28px; }
.hero-copy, .hero-panel, .panel, .auth-card {
    border: 1px solid var(--line); border-radius: 32px; background: var(--surface); box-shadow: var(--shadow); backdrop-filter: blur(18px);
}
.hero-copy { padding: 38px; }
.hero-copy h1, .auth-card h1, .account-hero h1 { margin: 10px 0 16px; font-size: clamp(2.6rem, 5vw, 4.8rem); line-height: 0.95; letter-spacing: -0.04em; }
.hero-copy p, .auth-card p, .panel p, .account-hero p, .feature-card p { margin: 0; color: var(--muted); line-height: 1.7; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line);
    color: var(--accent); background: rgba(255, 255, 255, 0.18); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem;
}
.hero-actions { margin-top: 26px; flex-wrap: wrap; }
.hero-panel { padding: 28px; background: var(--surface-accent); }
.dashboard-card {
    height: 100%; min-height: 360px; padding: 28px; border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 30%), linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(40, 20, 10, 0.14));
    border: 1px solid rgba(255, 255, 255, 0.18);
}
.dashboard-label { display: inline-block; margin-bottom: 22px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; }
.dashboard-grid { flex-wrap: wrap; }
.dashboard-grid article, .account-meta > div, .activity-list > div {
    flex: 1 1 160px; padding: 18px; border-radius: 22px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.08);
}
.dashboard-grid strong, .account-meta strong, .activity-list strong { display: block; margin-top: 10px; font-size: 2rem; line-height: 1; }
.dashboard-grid span, .account-meta span, .activity-list span { color: var(--muted); font-size: 0.88rem; }
.feature-section { margin-top: 28px; }
.section-head { margin-bottom: 16px; }
.section-head h2, .panel h2 { margin: 12px 0 0; font-size: clamp(1.6rem, 3vw, 2.6rem); letter-spacing: -0.03em; }
.feature-grid, .account-grid { flex-wrap: wrap; }
.feature-card, .panel { flex: 1 1 280px; padding: 26px; }
.feature-card { border: 1px solid var(--line); border-radius: 28px; background: var(--surface); box-shadow: var(--shadow); }
.feature-card h3 { margin: 0 0 12px; font-size: 1.4rem; }
.auth-section { display: grid; place-items: center; min-height: calc(100vh - 180px); padding-top: 20px; }
.auth-card { width: min(560px, 100%); padding: 32px; }
.field, .stack-lg { display: grid; gap: 10px; }
.stack-lg { margin-top: 24px; }
.field span, .field small, .checkbox span { color: var(--muted); }
.field input { width: 100%; padding: 14px 16px; border-radius: 16px; border: 1px solid var(--line); background: var(--surface-strong); color: var(--text); }
.checkbox { display: inline-flex; align-items: center; gap: 10px; }
.auth-switch { margin-top: 22px; }
.auth-switch a { color: var(--accent); }
.account-hero { grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr); align-items: end; }
.account-meta { flex-wrap: wrap; }
.panel-accent { background: var(--surface-accent); }
.activity-list { display: grid; gap: 12px; margin-top: 18px; }
@media (max-width: 960px) {
    .site-shell { width: min(100vw - 20px, 1180px); padding-top: 12px; }
    .site-header, .hero, .account-hero { grid-template-columns: 1fr; }
    .site-header, .site-nav, .site-actions { justify-content: flex-start; }
    .hero-copy, .hero-panel, .panel, .auth-card { padding: 22px; border-radius: 24px; }
    .hero-copy h1, .auth-card h1, .account-hero h1 { font-size: 2.4rem; }
}