/* BGP IPAM Manager - Dark Mode Admin CSS */

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

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-hover: #1f2937;
    --bg-card: #0f1724;
    --border-color: #1e293b;
    --border-light: #2d3a4d;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.15);
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #22c55e;
    --warning: #f59e0b;
    --info: #06b6d4;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --sidebar-width: 250px;
}

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
}

.bg-gray-950 { background: #030712; }
.bg-gray-900 { background: var(--bg-secondary); }
.bg-gray-800 { background: var(--bg-tertiary); }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* === SIDEBAR === */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 40;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-brand h1 {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
    border-left-color: var(--accent);
}

.sidebar-nav a.active {
    color: var(--text-primary);
    background: var(--accent-glow);
    border-left-color: var(--accent);
}

.sidebar-nav a .nav-icon {
    width: 1.25rem;
    font-size: 1.1rem;
    text-align: center;
}

.sidebar-nav .nav-section {
    padding: 0.5rem 1.5rem 0.3rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* === MAIN CONTENT === */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* === TOP BAR === */
.topbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1.5rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 30;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar .page-title {
    font-size: 1.15rem;
    font-weight: 600;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar .user-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topbar .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: white;
}

/* === PAGE CONTENT === */
.page-content {
    padding: 1.5rem;
    flex: 1;
}

/* === CARDS === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* === STATS GRID === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    transition: border-color 0.2s;
}

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

.stat-card .stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.icon-blue { background: rgba(59,130,246,0.15); color: #60a5fa; }
.icon-green { background: rgba(34,197,94,0.15); color: #4ade80; }
.icon-purple { background: rgba(168,85,247,0.15); color: #c084fc; }
.icon-orange { background: rgba(251,146,60,0.15); color: #fb923c; }
.icon-cyan { background: rgba(6,182,212,0.15); color: #22d3ee; }
.icon-red { background: rgba(239,68,68,0.15); color: #f87171; }

/* === TABLES === */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background: var(--bg-tertiary);
}

thead th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    white-space: nowrap;
    border-bottom: 1px solid var(--border-color);
}

tbody td {
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

tbody tr:hover {
    background: var(--bg-hover);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* === BADGES === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.badge-active { background: rgba(34,197,94,0.15); color: #4ade80; }
.badge-inactive { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-configured { background: rgba(251,191,36,0.15); color: #fbbf24; }
.badge-maintenance { background: rgba(148,163,184,0.15); color: #94a3b8; }
.badge-offline { background: rgba(239,68,68,0.1); color: #ef4444; }

.badge-ipv4 { background: rgba(59,130,246,0.15); color: #60a5fa; }
.badge-ipv6 { background: rgba(168,85,247,0.15); color: #c084fc; }

.badge-transit { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-peering { background: rgba(34,197,94,0.15); color: #4ade80; }
.badge-ixp { background: rgba(6,182,212,0.15); color: #22d3ee; }

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    white-space: nowrap;
}

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

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

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

.btn-success {
    background: var(--success);
    color: white;
}
.btn-success:hover { background: #16a34a; }

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

.btn-xs {
    padding: 0.15rem 0.4rem;
    font-size: 0.7rem;
}

.btn-icon {
    padding: 0.4rem;
    border-radius: var(--radius);
}

.btn-group {
    display: flex;
    gap: 0.4rem;
}

/* === FORMS === */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.form-control {
    width: 100%;
    padding: 0.55rem 0.85rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAiIGhlaWdodD0iNiIgdmlld0JveD0iMCAwIDEwIDYiIGZpbGw9Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PHBhdGggZD0iTTEgMUw1IDVMOSAxIiBzdHJva2U9IiM2NDc0OGIiIHN0cm9rZS13aWR0aD0iMS41IiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiLz48L3N2Zz4=");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* === MODAL === */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 100;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(-10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.15s;
}

.modal-close:hover { color: var(--text-primary); }

.modal-footer {
    margin-top: 1.25rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* === SEARCH === */
.search-container {
    position: relative;
}

.search-container input {
    padding-left: 2.5rem !important;
}

.search-container .search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    pointer-events: none;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin-top: 4px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    z-index: 50;
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.search-results.active { display: block; }

.search-results .search-item {
    padding: 0.6rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-results .search-item:hover {
    background: var(--bg-hover);
}

.search-results .search-item:last-child {
    border-bottom: none;
}

.search-results .search-item .result-label {
    font-weight: 500;
    color: var(--text-primary);
}

.search-results .search-item .result-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.search-results .search-item .result-type {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.1rem 0.4rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

/* === PROGRESS BAR === */
.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar .progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-fill.low { background: var(--success); }
.progress-fill.medium { background: var(--warning); }
.progress-fill.high { background: var(--danger); }

/* === UTILITY === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }

.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.ml-auto { margin-left: auto; }

.text-sm { font-size: 0.8rem; }
.text-xs { font-size: 0.7rem; }
.text-lg { font-size: 1.1rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.75rem; }
.text-4xl { font-size: 2.25rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-white { color: var(--text-primary); }
.text-gray-300 { color: var(--text-secondary); }
.text-gray-400 { color: var(--text-secondary); }
.text-gray-500 { color: var(--text-muted); }
.text-blue-400 { color: #60a5fa; }
.text-green-400 { color: #4ade80; }
.text-red-400 { color: #f87171; }
.text-yellow-400 { color: #fbbf24; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-4 { padding: 1rem; }
.p-8 { padding: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }

.rounded-lg { border-radius: var(--radius); }
.rounded-xl { border-radius: var(--radius-lg); }

.hidden { display: none; }
.block { display: block; }

.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

.min-h-screen { min-height: 100vh; }
.relative { position: relative; }
.sticky { position: sticky; }
.top-0 { top: 0; }

.shadow-2xl { box-shadow: 0 25px 50px rgba(0,0,0,0.5); }

.border { border: 1px solid var(--border-color); }
.border-t { border-top: 1px solid var(--border-color); }
.border-b { border-bottom: 1px solid var(--border-color); }

.transition-colors { transition: color 0.15s, background-color 0.15s, border-color 0.15s; }
.duration-200 { transition-duration: 0.2s; }

.placeholder-gray-500::placeholder { color: var(--text-muted); }

.focus\:outline-none:focus { outline: none; }
.focus\:ring-2:focus { box-shadow: 0 0 0 3px var(--accent-glow); }
.focus\:ring-blue-500:focus { --ring-color: var(--accent); }
.focus\:border-transparent:focus { border-color: transparent; }
.focus\:ring-offset-2:focus { outline-offset: 2px; }
.focus\:ring-offset-gray-900:focus { outline-color: var(--bg-secondary); }

/* === EMPTY STATE === */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* === TOAST === */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    min-width: 280px;
    max-width: 400px;
    animation: toastIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

.toast .toast-message { flex: 1; font-size: 0.85rem; }
.toast .toast-close { cursor: pointer; color: var(--text-muted); font-size: 1.1rem; }

/* === MOBILE === */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .mobile-menu-btn {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal {
        width: 95%;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* === SUBNET TREE === */
.subnet-tree .tree-item {
    padding: 0.5rem 0.75rem;
    border-left: 2px solid var(--border-color);
    margin-left: 1.5rem;
}

.subnet-tree .tree-root {
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    font-weight: 600;
}

/* === TABS === */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
}

.tab {
    padding: 0.6rem 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.15s;
}

.tab:hover {
    color: var(--text-primary);
}

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* === PULSE ANIMATION FOR LIVE INDICATOR === */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s infinite;
}

/* === COPY BUTTON === */
.copy-btn {
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.15s;
    background: none;
    border: none;
    font-size: 0.85rem;
    padding: 0.1rem 0.3rem;
}

.copy-btn:hover { color: var(--accent); }