:root {
    --bg: #0f172a;
    --surface: #16213d;
    --surface-2: #1c2b4f;
    --border: #2a3a61;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --danger: #ef4444;
    --success: #22c55e;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; font-size: 18px; }

.topbar nav { display: flex; align-items: center; gap: 16px; }
.topbar nav a { color: var(--text); text-decoration: none; }
.topbar nav a:hover { color: var(--accent); }
.topbar .operator { color: var(--text-muted); font-size: 14px; }
.topbar .logout { color: var(--danger); }

.container { max-width: 1000px; margin: 0 auto; padding: 24px 16px; }

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 24px 0 16px;
}
.page-head h1, .page-head h2 { margin: 0; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.subscriber-info { display: grid; gap: 8px; }
.subscriber-info .label { color: var(--text-muted); margin-right: 6px; }
.subscriber-info .btn { margin-top: 10px; width: fit-content; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
    text-align: left;
    padding: 10px 8px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.table th { color: var(--text-muted); font-weight: 600; }
.table a { color: var(--accent); text-decoration: none; }
.table a:hover { text-decoration: underline; }
.table .actions a { margin-right: 10px; }
.table .actions a.danger { color: var(--danger); }
.table .empty { text-align: center; color: var(--text-muted); padding: 24px 0; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge-active { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-inactive { background: rgba(239,68,68,0.15); color: var(--danger); }

.form { display: grid; gap: 14px; max-width: 480px; }
.form label { display: grid; gap: 6px; font-size: 14px; color: var(--text-muted); }
.form input, .form select {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text);
    font-size: 14px;
}
.form input:focus, .form select:focus { outline: 2px solid var(--accent); }

.btn {
    display: inline-block;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }

.search-form { display: flex; gap: 8px; margin-bottom: 16px; }
.search-form input {
    flex: 1;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 9px 12px;
    color: var(--text);
}

.flash {
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}
.flash.success { background: rgba(34,197,94,0.15); color: var(--success); }
.flash.error { background: rgba(239,68,68,0.15); color: var(--danger); }

.auth-box {
    max-width: 360px;
    margin: 80px auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}
.auth-box h1 { font-size: 20px; margin-top: 0; }

.muted { color: var(--text-muted); }