/* Realm Network Wizard - UniFi + Glassmorphism Design */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* UniFi-inspired color palette */
    --bg-primary: #0a1628;
    --bg-secondary: #0f1e32;
    --bg-card: rgba(15, 30, 50, 0.6);
    --bg-card-solid: #0f1e32;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(15, 30, 50, 0.7);

    --text-primary: #ffffff;
    --text-secondary: #8b9cb3;
    --text-muted: #5a6a7e;

    /* UniFi accent colors - darker cobalt blue */
    --accent-blue: #006fff;
    --accent-blue-hover: #0080ff;
    --accent-blue-glow: rgba(0, 111, 255, 0.35);
    --accent-teal: #16a34a;
    --accent-teal-glow: rgba(22, 163, 74, 0.3);

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.1);
    --border-glass: rgba(255, 255, 255, 0.08);

    --success: #16a34a;
    --success-glow: rgba(22, 163, 74, 0.25);
    --danger: #dc2626;
    --danger-glow: rgba(220, 38, 38, 0.25);
    --warning: #ffb74d;
    --warning-glow: rgba(255, 183, 77, 0.25);

    /* VLAN color palette (for contextual tinting) */
    --vlan-1: #006fff;
    --vlan-2: #16a34a;
    --vlan-3: #a78bfa;
    --vlan-4: #f472b6;
    --vlan-5: #fb923c;
    --vlan-6: #facc15;
    --vlan-7: #4ade80;
    --vlan-8: #22d3ee;

    /* Typography */
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Effects */
    --blur-amount: 20px;
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow-blue: 0 0 20px var(--accent-blue-glow);
    --shadow-glow-teal: 0 0 20px var(--accent-teal-glow);
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 20% 20%, rgba(0, 111, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(22, 163, 74, 0.06) 0%, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   SIDEBAR (UniFi-style thin icon bar)
   ============================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 64px;
    height: 100vh;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border-right: 1px solid var(--border-glass);
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    padding: 4px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-icon img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.logo-text {
    display: none;
}

nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: 4px;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0;
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-item.active {
    background: linear-gradient(135deg, var(--accent-blue), rgba(0, 111, 255, 0.7));
    color: var(--text-primary);
    box-shadow: var(--shadow-glow-blue);
}

/* Tooltip on hover */
.nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    margin-left: 12px;
    padding: 8px 12px;
    background: var(--bg-card-solid);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-8px);
    transition: all 0.2s ease;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-item:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.nav-icon {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-icon svg {
    width: 20px;
    height: 20px;
}

/* Spacer to push logout to bottom */
.nav-spacer {
    flex: 1;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main {
    margin-left: 64px;
    padding: 24px 32px;
    min-height: 100vh;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.header h1 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   WIZARD STEPS
   ============================================ */
.wizard-steps {
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    margin-bottom: 24px;
}

.wizard-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}

.wizard-step.active {
    background: linear-gradient(135deg, rgba(0, 111, 255, 0.2), rgba(0, 111, 255, 0.1));
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    box-shadow: var(--shadow-glow-blue);
}

.wizard-step.completed {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.05));
    border-color: var(--success);
    color: var(--success);
}

.step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 11px;
}

.wizard-step.active .step-num {
    background: var(--accent-blue);
    color: white;
}

.wizard-step.completed .step-num {
    background: var(--success);
    color: white;
}

/* ============================================
   GLASS CARDS
   ============================================ */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-medium);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.card-title {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.card-desc {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), rgba(0, 111, 255, 0.8));
    color: white;
    box-shadow: var(--shadow-sm), 0 0 20px rgba(0, 111, 255, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-blue-hover), var(--accent-blue));
    box-shadow: var(--shadow-md), var(--shadow-glow-blue);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--text-secondary);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), rgba(34, 197, 94, 0.8));
    color: white;
    box-shadow: var(--shadow-sm), 0 0 20px rgba(34, 197, 94, 0.2);
}

.btn-success:hover {
    box-shadow: var(--shadow-md), var(--shadow-glow-teal);
    transform: translateY(-1px);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
    box-shadow: 0 0 20px var(--danger-glow);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
    border-radius: 6px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 15px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

input::placeholder {
    color: var(--text-muted);
}

select {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b9cb3' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select option {
    background: var(--bg-card-solid);
    color: var(--text-primary);
    padding: 8px;
}

/* ============================================
   FLASH MESSAGES
   ============================================ */
.flash {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 24px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.flash.success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(34, 197, 94, 0.05));
    border: 1px solid var(--success);
    color: var(--success);
    box-shadow: 0 0 20px var(--success-glow);
}

.flash.error {
    background: linear-gradient(135deg, rgba(255, 77, 106, 0.15), rgba(255, 77, 106, 0.05));
    border: 1px solid var(--danger);
    color: var(--danger);
    box-shadow: 0 0 20px var(--danger-glow);
}

.flash.warning {
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.15), rgba(167, 139, 250, 0.05));
    border: 1px solid #a78bfa;
    color: #a78bfa;
}

/* ============================================
   TABLES
   ============================================ */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
}

th {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.2);
}

tr {
    transition: var(--transition);
}

tr:hover {
    background: rgba(0, 111, 255, 0.05);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.badge-blue {
    background: linear-gradient(135deg, rgba(0, 111, 255, 0.2), rgba(0, 111, 255, 0.1));
    color: var(--accent-blue);
    border: 1px solid rgba(0, 111, 255, 0.3);
}

.badge-green {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.1));
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-gray {
    background: var(--bg-hover);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

/* ============================================
   ACTION ROWS
   ============================================ */
.action-row {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

/* ============================================
   HELP TEXT
   ============================================ */
.help-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 12px;
    line-height: 1.6;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-amount));
    -webkit-backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--border-medium);
    border-radius: 16px;
    padding: 28px;
    width: 440px;
    max-width: 90%;
    box-shadow: var(--shadow-lg);
}

.modal h3 {
    font-family: var(--font-display);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ============================================
   DEVICE COUNT BADGE
   ============================================ */
.device-count {
    background: linear-gradient(135deg, rgba(0, 111, 255, 0.2), rgba(0, 111, 255, 0.1));
    color: var(--accent-blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-left: 12px;
    border: 1px solid rgba(0, 111, 255, 0.3);
}

/* ============================================
   TABLE WRAPPER
   ============================================ */
.table-wrapper {
    overflow-x: auto;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
}

/* ============================================
   STATUS INDICATORS
   ============================================ */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-dot.offline {
    background: var(--text-muted);
}

.status-dot.warning {
    background: var(--warning);
    box-shadow: 0 0 8px var(--warning);
}

/* ============================================
   VLAN COLOR UTILITIES
   ============================================ */
.vlan-color-1 { --vlan-color: var(--vlan-1); }
.vlan-color-2 { --vlan-color: var(--vlan-2); }
.vlan-color-3 { --vlan-color: var(--vlan-3); }
.vlan-color-4 { --vlan-color: var(--vlan-4); }
.vlan-color-5 { --vlan-color: var(--vlan-5); }
.vlan-color-6 { --vlan-color: var(--vlan-6); }
.vlan-color-7 { --vlan-color: var(--vlan-7); }
.vlan-color-8 { --vlan-color: var(--vlan-8); }

.vlan-badge {
    background: linear-gradient(135deg, rgba(var(--vlan-color), 0.2), rgba(var(--vlan-color), 0.1));
    border: 1px solid rgba(var(--vlan-color), 0.4);
    color: var(--vlan-color, var(--accent-blue));
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}

/* ============================================
   GLASS CARD VARIANTS
   ============================================ */
.card-glass-blue {
    background: linear-gradient(135deg, rgba(0, 111, 255, 0.1), rgba(0, 111, 255, 0.02));
    border-color: rgba(0, 111, 255, 0.2);
}

.card-glass-teal {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.02));
    border-color: rgba(34, 197, 94, 0.2);
}

.card-glass-purple {
    background: linear-gradient(135deg, rgba(167, 139, 250, 0.1), rgba(167, 139, 250, 0.02));
    border-color: rgba(167, 139, 250, 0.2);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        width: 64px;
        padding: 16px 8px;
    }
    .main {
        margin-left: 64px;
        padding: 24px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    .main {
        margin-left: 0;
        padding: 20px;
    }
    .wizard-steps {
        flex-wrap: wrap;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes pulse-glow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-pulse {
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Loading shimmer effect */
.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}