/* ═══════════════════════════════════════
   CERBERUS DASHBOARD - Styles
   ═══════════════════════════════════════ */

:root {
    --bg-dark: #0f1117;
    --bg-card: #1a1d27;
    --bg-input: #252836;
    --text-primary: #e4e6f0;
    --text-secondary: #8b8fa3;
    --accent: #4f7df9;
    --accent-hover: #3d6ae0;
    --link: #7fb0ff;
    --link-hover: #a8c8ff;
    --danger: #e04f5f;
    --danger-hover: #c93d4d;
    --warning: #f0a04b;
    --success: #4bc9a0;
    --border: #2d3044;
    --radius: 8px;
    --shadow: 0 2px 12px rgba(0,0,0,0.3);
}

/* Default link color: light blue with high contrast on dark cards.
   Buttons / badges / nav set their own color and override this. */
a {
    color: var(--link);
    text-decoration: none;
    transition: color 0.15s;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Navbar ── */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 2rem;
    min-height: 80px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.nav-brand:hover {
    color: var(--link-hover);
    text-decoration: none;
}

.nav-brand-logo {
    height: 64px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    display: block;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    transition: all 0.2s;
}

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

.nav-logout {
    color: var(--danger) !important;
}

/* ── Container ── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
    width: 100%;
}

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ── Forms ── */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.2rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: #fff;
}

.btn-primary {
    background: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-danger {
    background: var(--danger);
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-warning {
    background: var(--warning);
    color: #1a1d27;
}

.btn-success {
    background: var(--success);
    color: #1a1d27;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
    color: #fff;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

/* ── Status badges ── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active { background: rgba(75,201,160,0.15); color: var(--success); }
.badge-alert { background: rgba(240,160,75,0.15); color: var(--warning); }
.badge-encrypting { background: rgba(240,160,75,0.15); color: var(--warning); animation: pulse 1.5s ease-in-out infinite; }
.badge-encrypted  { background: rgba(240,160,75,0.25); color: var(--warning); }
.badge-wiping     { background: rgba(224,79,95,0.15); color: var(--danger); animation: pulse 1.5s ease-in-out infinite; }
.badge-wiped      { background: rgba(224,79,95,0.25); color: var(--danger); }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.55; } }
.badge-offline { background: rgba(139,143,163,0.15); color: var(--text-secondary); }

/* ── Table ── */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tr:hover td {
    background: var(--bg-input);
}

/* ── Login page ── */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}

.login-box {
    width: 100%;
    max-width: 400px;
}

.login-title {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

/* ── Alerts ── */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.alert-error {
    background: rgba(224,79,95,0.15);
    color: var(--danger);
    border: 1px solid rgba(224,79,95,0.3);
}

.alert-success {
    background: rgba(75,201,160,0.15);
    color: var(--success);
    border: 1px solid rgba(75,201,160,0.3);
}

/* ── Page header ── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.page-title {
    font-size: 1.4rem;
    font-weight: 600;
}

/* ── Device detail ── */
.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.detail-item label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.2rem;
}

.detail-item span {
    font-size: 0.95rem;
}

/* ── Footer ── */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .container { padding: 1rem; }
    .navbar { padding: 0 1rem; }
    .nav-links { gap: 0.25rem; }
    .nav-links a { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
    .detail-grid { grid-template-columns: 1fr; }
}