:root {
    --bg: #0f172a;
    --bg2: #111827;
    --panel: #1e293b;
    --panel2: #273449;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --accent: #38bdf8;
    --accent2: #0ea5e9;
    --good: #22c55e;
    --warn: #f59e0b;
    --bad: #ef4444;
    --border: rgba(255,255,255,0.08);
    --shadow: 0 12px 32px rgba(0,0,0,0.28);
    --radius: 18px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top right, rgba(56,189,248,0.10), transparent 25%),
        linear-gradient(180deg, var(--bg), var(--bg2));
    color: var(--text);
    min-height: 100vh;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo {
    font-size: 1.4rem;
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.welcome {
    color: var(--muted);
    font-size: 0.95rem;
}

.page {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 20px 40px;
}

.hero {
    margin-bottom: 24px;
}

.hero h1 {
    margin: 0 0 8px;
    font-size: 2rem;
}

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

.flash-wrap {
    margin-bottom: 18px;
}

.flash {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 10px;
    font-weight: 600;
}

.flash-success { background: rgba(34,197,94,0.14); border: 1px solid rgba(34,197,94,0.35); }
.flash-danger  { background: rgba(239,68,68,0.14); border: 1px solid rgba(239,68,68,0.35); }
.flash-warning { background: rgba(245,158,11,0.14); border: 1px solid rgba(245,158,11,0.35); }
.flash-info    { background: rgba(56,189,248,0.14); border: 1px solid rgba(56,189,248,0.35); }

.login-shell {
    min-height: calc(100vh - 140px);
    display: grid;
    place-items: center;
}

.login-card {
    width: 100%;
    max-width: 430px;
    background: rgba(30, 41, 59, 0.92);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.login-card h1 {
    margin-top: 0;
    margin-bottom: 8px;
}

.form-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
}

.input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #0f172a;
    color: var(--text);
    outline: none;
}

.input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(56,189,248,0.15);
}

.turnstile-wrap {
    margin-top: 4px;
}

.form-actions {
    margin-top: 8px;
}

.btn {
    display: inline-block;
    padding: 11px 16px;
    border-radius: 12px;
    text-decoration: none;
    border: 0;
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.12s ease, opacity 0.12s ease;
}

.btn:hover {
    transform: translateY(-1px);
    opacity: 0.96;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #00111a;
}

.btn-secondary {
    background: #334155;
    color: var(--text);
}

.btn-small {
    padding: 8px 12px;
    font-size: 0.92rem;
}

.btn-logout {
    background: #334155;
    color: var(--text);
}

.tile-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    gap: 18px;
}

.tile {
    min-height: 160px;
    border-radius: 22px;
    border: 1px solid var(--border);
    padding: 22px;
    background: linear-gradient(180deg, rgba(39,52,73,0.9), rgba(30,41,59,0.95));
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-decoration: none;
}

.tile-enabled:hover {
    transform: translateY(-2px);
    border-color: rgba(56,189,248,0.4);
}

.tile-disabled {
    opacity: 0.6;
    filter: grayscale(0.2);
}

.tile-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.tile-title {
    color: var(--text);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.tile-subtitle {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.4;
}

.panel {
    background: rgba(30,41,59,0.92);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 24px;
}

.button-row {
    margin-top: 18px;
}

@media (max-width: 900px) {
    .tile-grid {
        grid-template-columns: repeat(2, minmax(220px, 1fr));
    }
}

@media (max-width: 640px) {
    .topbar {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .tile-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 22px;
    }
}

.form-panel {
    max-width: 700px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 6px;
    color: var(--text);
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
}

.footer {
    text-align: center;
    padding: 20px;
    font-size: 0.7rem;
    color: var(--muted);
    border-top: 1px solid rgba(255,255,255,0.05);
    margin-top: 40px;
}

.table-toolbar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.user-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

.user-table th,
.user-table td {
    text-align: left;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    vertical-align: middle;
}

.user-table th {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.user-table td {
    color: var(--text);
    font-size: 0.95rem;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
}

.status-on {
    background: rgba(34,197,94,0.16);
    color: #86efac;
    border: 1px solid rgba(34,197,94,0.35);
}

.status-off {
    background: rgba(239,68,68,0.16);
    color: #fca5a5;
    border: 1px solid rgba(239,68,68,0.35);
}

.action-cell {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}