/* ============================================
   Cloud ConneX Gateway Dashboard - CSS
   Modern dark theme with glassmorphism
   ============================================ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-card-hover: #1f2b3d;
    --bg-input: #0d1421;
    --border: #2a3548;
    --border-focus: #3b82f6;

    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;

    --green-glow: rgba(16, 185, 129, 0.3);
    --red-glow: rgba(239, 68, 68, 0.3);
    --blue-glow: rgba(59, 130, 246, 0.2);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.2s ease;
}

/* Light theme */
body.light {
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-input: #f1f5f9;
    --border: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
}

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

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* ---- HEADER ---- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-size: 24px;
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.6));
}

header h1 {
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.version {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.6;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.clock {
    font-size: 13px;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.icon-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--bg-card);
    border-color: var(--accent);
}

/* ---- NAV TABS ---- */
#nav-tabs {
    display: flex;
    gap: 4px;
    padding: 8px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.nav-tab {
    padding: 8px 20px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-tab:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-tab.active {
    background: var(--accent);
    color: #fff;
}

/* ---- TAB CONTENT ---- */
.tab-content {
    display: none;
    flex: 1;
    padding: 20px 24px;
    gap: 20px;
    flex-direction: column;
}

.tab-content.active {
    display: flex;
}

/* ---- CARDS ---- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    transition: var(--transition);
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.card-icon {
    font-size: 20px;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    flex: 1;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    transition: var(--transition);
}

.status-dot.connected {
    background: var(--success);
    box-shadow: 0 0 8px var(--green-glow);
    animation: pulse 2s infinite;
}

.status-dot.disconnected {
    background: var(--danger);
    box-shadow: 0 0 8px var(--red-glow);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.card-stats {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-variant-numeric: tabular-nums;
}

.card-actions {
    display: flex;
    gap: 8px;
}

/* ---- BUTTONS ---- */
.btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

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

.btn-restart {
    color: var(--info);
    border-color: rgba(6, 182, 212, 0.3);
}

.btn-stop {
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-warn {
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

/* ---- LOG ---- */
.log-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.log-controls {
    display: flex;
    gap: 6px;
    margin-left: auto;
}

.log-container {
    flex: 1;
    overflow-y: auto;
    font-family: 'Consolas', 'Fira Code', monospace;
    font-size: 12px;
    line-height: 1.7;
    padding: 12px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    max-height: 400px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.log-entry {
    padding: 2px 0;
    border-bottom: 1px solid rgba(42, 53, 72, 0.3);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.log-time { color: var(--text-muted); }
.log-tag { font-weight: 600; }
.log-tag-info { color: var(--info); }
.log-tag-success { color: var(--success); }
.log-tag-error { color: var(--danger); }
.log-tag-warn { color: var(--warning); }
.log-tag-in { color: #a78bfa; }
.log-tag-out { color: #f472b6; }

/* ---- QR CODE ---- */
.qr-card {
    text-align: center;
}

.qr-container {
    padding: 20px;
    display: flex;
    justify-content: center;
}

.qr-container img {
    border-radius: var(--radius-sm);
    max-width: 256px;
}

/* ---- FILTERS ---- */
.filter-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.filter-section {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(59, 130, 246, 0.05);
    border-bottom: 1px solid var(--border);
}

.filter-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.filter-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

input[type="text"],
input[type="number"],
select {
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 13px;
    transition: var(--transition);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

.input-group {
    display: flex;
    gap: 8px;
}

.input-group input { flex: 1; }

/* Toggle switch */
.toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle input { display: none; }

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle input:checked + .toggle-slider {
    background: var(--success);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* Tag list for IPs */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 32px;
}

.tag {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    font-size: 12px;
    color: var(--accent);
}

.tag-remove {
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition);
}

.tag-remove:hover {
    opacity: 1;
    color: var(--danger);
}

/* ---- FOOTER ---- */
footer {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 10px 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.text-green { color: var(--success); font-weight: 600; }
.text-red { color: var(--danger); font-weight: 600; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    header, .tab-content, footer {
        padding-left: 12px;
        padding-right: 12px;
    }
}

@media (max-width: 480px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
}
/* ---- LOGIN OVERLAY ---- */
.login-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 14, 23, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.login-box {
    width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 24px;
}

.login-header .logo {
    display: block;
    font-size: 32px;
    margin-bottom: 8px;
}

.login-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-block {
    width: 100%;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 12px;
}

.login-error {
    color: var(--danger);
    font-size: 12px;
    margin-top: 12px;
    text-align: center;
    min-height: 18px;
}