:root {
    --bg: #1a1a2e;
    --surface: #16213e;
    --surface2: #0f3460;
    --accent: #e94560;
    --accent-hover: #c73652;
    --text: #eee;
    --text-muted: #888;
    --success: #2ecc71;
    --warn: #f39c12;
    --danger: #e74c3c;
    --border: #2a2a4a;
    --radius: 6px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--surface);
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.nav-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text);
}

.nav-user {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-left: 1rem;
}

.container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

h1 { margin-bottom: 1.5rem; font-size: 1.6rem; }
h2 { margin-bottom: 1rem; font-size: 1.2rem; color: var(--text-muted); }

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-success { background: rgba(46,204,113,0.15); border: 1px solid var(--success); }
.alert-error { background: rgba(231,76,60,0.15); border: 1px solid var(--danger); }

/* Login */
.login-box {
    max-width: 360px;
    margin: 6rem auto;
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.login-box h1 {
    text-align: center;
    color: var(--accent);
    margin-bottom: 2rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-group small {
    display: block;
    margin-top: 0.2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.form-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 1.5rem;
    max-width: 600px;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.form-row .form-group {
    flex: 1;
    min-width: 180px;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    padding-top: 1.5rem;
}
.checkbox-label input[type="checkbox"] {
    width: auto;
}

a.btn, a.btn-sm, button.btn, button.btn-sm,
.btn, .btn-sm {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--accent);
    color: #111;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
    transition: background 0.2s;
}
.btn:hover { background: var(--accent-hover); }
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }

.btn-connect { background: var(--success); }
.btn-connect:hover { background: #27ae60; }
.btn-warn { background: var(--warn); }
.btn-warn:hover { background: #e67e22; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #c0392b; }

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
}
.table th, .table td {
    padding: 0.65rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.table th {
    background: var(--surface2);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,0.03); }

.table a:not(.btn):not(.btn-sm) { color: var(--accent); text-decoration: none; }
.table a:not(.btn):not(.btn-sm):hover { text-decoration: underline; }

.actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

code.copyable {
    background: var(--bg);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    cursor: pointer;
    user-select: all;
    font-size: 0.85rem;
}
code.copyable:hover { background: var(--surface2); }

code.password-hidden {
    color: transparent;
    text-shadow: 0 0 8px rgba(255,255,255,0.4);
    user-select: none;
}
code.password-hidden:hover {
    color: transparent;
    text-shadow: 0 0 8px rgba(255,255,255,0.5);
}

.muted { color: var(--text-muted); font-size: 0.85rem; }

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-online { background: rgba(46,204,113,0.2); color: var(--success); }
.badge-offline { background: rgba(243,156,18,0.2); color: var(--warn); }
.badge-pending { background: rgba(136,136,136,0.2); color: var(--text-muted); }

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}
.empty-state a { color: var(--accent); }

.info-box {
    background: var(--surface);
    padding: 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Detail page */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
@media (max-width: 768px) {
    .detail-grid { grid-template-columns: 1fr; }
}

.detail-card {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.detail-table {
    width: 100%;
    margin-bottom: 1rem;
}
.detail-table th {
    text-align: left;
    padding: 0.4rem 0.75rem 0.4rem 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    width: 120px;
}
.detail-table td {
    padding: 0.4rem 0;
}

.button-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.inline-form { display: inline; }

.danger-zone {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.section-stack > .detail-card {
    margin-bottom: 1.5rem;
}
.mobile-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: flex-start;
    margin-top: 1rem;
}
.mobile-grid img.qr {
    background: #fff;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
}