:root {
    --c-bg: #0f1419;
    --c-surface: #ffffff;
    --c-text: #1a1f2e;
    --c-muted: #6b7280;
    --c-border: #e5e7eb;
    --c-primary: #c8402b;
    --c-primary-dark: #a52e1c;
    --c-accent: #1e3a5f;
    --c-success: #16a34a;
    --c-warn: #d97706;
    --c-error: #dc2626;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(15,20,25,0.08);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    color: var(--c-text);
    background: #f8f9fb;
    line-height: 1.55;
}
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.site-header { background: var(--c-bg); color: #fff; box-shadow: var(--shadow); }
.site-header a { color: #fff; }
.site-header .nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; gap: 24px; }
.site-header .brand { font-weight: 700; font-size: 1.4rem; letter-spacing: 0.5px; }
.site-header .main-nav { display: flex; gap: 18px; flex: 1; margin-left: 20px; }
.site-header .auth-nav { display: flex; gap: 14px; align-items: center; }

.btn {
    display: inline-block; padding: 10px 18px; border-radius: var(--radius);
    border: 1px solid transparent; cursor: pointer; font-weight: 600; font-size: 0.95rem;
    text-decoration: none; transition: all 0.15s;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); text-decoration: none; }
.btn-outline { border-color: var(--c-border); background: #fff; color: var(--c-text); }

.main { padding: 32px 20px 64px; }

.hero { background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-bg) 100%); color: #fff; padding: 64px 0; border-radius: var(--radius); margin-bottom: 48px; }
.hero h1 { font-size: 2.4rem; margin: 0 0 16px; }
.hero p { font-size: 1.2rem; max-width: 720px; opacity: 0.92; }
.hero .cta { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero .btn-primary { background: var(--c-primary); color: #fff; }
.hero .btn-outline { color: #fff; background: transparent; border-color: rgba(255,255,255,0.6); }
.hero .btn-outline:hover { background: rgba(255,255,255,0.1); text-decoration: none; }

.card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin-bottom: 20px; }
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }

label { display: block; font-weight: 600; margin: 14px 0 6px; }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=number], input[type=date], input[type=url], select, textarea {
    width: 100%; padding: 10px 12px; border: 1px solid var(--c-border); border-radius: var(--radius); font-size: 1rem; font-family: inherit;
}
textarea { min-height: 110px; resize: vertical; }
.form-row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }

.flash { padding: 12px 0; color: #fff; }
.flash-success { background: var(--c-success); }
.flash-error { background: var(--c-error); }
.flash-warning { background: var(--c-warn); }
.flash-info { background: var(--c-accent); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge-open { background: #dcfce7; color: #166534; }
.badge-locked { background: #fee2e2; color: #991b1b; }
.badge-cooldown { background: #fef3c7; color: #92400e; }
.badge-pending { background: #e0e7ff; color: #3730a3; }
.badge-active { background: #d1fae5; color: #065f46; }

.site-footer { background: #1a1f2e; color: #a0aec0; padding: 28px 0; margin-top: 48px; }
.site-footer a { color: #cbd5e0; }
.small { font-size: 0.85rem; opacity: 0.85; }

table { width: 100%; border-collapse: collapse; margin-top: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--c-border); }
th { font-size: 0.85rem; text-transform: uppercase; color: var(--c-muted); letter-spacing: 0.5px; }

.muted { color: var(--c-muted); }
.tight { margin: 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }