/* RackVision - Main Stylesheet */

:root {
    --rv-primary: #1a73e8;
    --rv-dark: #1e1e2f;
    --rv-sidebar: #2d2d44;
    --rv-accent: #00c9a7;
    --rv-danger: #e74c3c;
    --rv-warning: #f39c12;
}

body {
    background-color: #f4f6f9;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--rv-dark) 0%, #2d2d44 100%);
}

.login-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-card .brand-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-card .brand-logo i {
    font-size: 3rem;
    color: var(--rv-primary);
}

.login-card .brand-logo h2 {
    margin-top: 0.5rem;
    color: var(--rv-dark);
}

/* Navbar */
.navbar-dark {
    background-color: var(--rv-dark) !important;
}

/* Cards */
.card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
}

.stat-card {
    border-left: 4px solid var(--rv-primary);
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--rv-primary);
}

/* Rack Visualisation */
.rack-container {
    background: #2d2d44;
    border-radius: 8px;
    padding: 10px;
    position: relative;
}

.rack-unit {
    height: 25px;
    border: 1px solid #444;
    background: #3a3a52;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 8px;
    font-size: 11px;
    color: #ccc;
    cursor: pointer;
    transition: background 0.2s;
}

.rack-unit:hover {
    background: #4a4a62;
}

.rack-unit.occupied {
    background: var(--rv-primary);
    color: white;
    border-color: #1557b0;
    cursor: pointer;
}

.rack-unit.occupied:hover {
    background: #1557b0;
    box-shadow: 0 0 0 2px var(--rv-accent);
}

.rack-unit.occupied.selected {
    box-shadow: 0 0 0 3px var(--rv-accent);
    background: #0d5bbd;
}

.rack-unit .rack-unit-label {
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 90%;
}

.rack-unit.occupied-passive {
    background: #6c757d;
    color: white;
}

.rack-unit .u-label {
    position: absolute;
    left: -30px;
    font-size: 10px;
    color: #888;
    width: 25px;
    text-align: right;
}

/* PDU Column */
.pdu-column {
    width: 30px;
    background: #1e1e2f;
    border-radius: 4px;
    padding: 2px;
}

.pdu-port {
    height: 12px;
    background: #444;
    margin: 1px 2px;
    border-radius: 2px;
    cursor: pointer;
    transition: background 0.2s;
}

.pdu-port.connected {
    background: var(--rv-accent);
}

.pdu-port:hover {
    background: var(--rv-warning);
}

/* Floor Plan */
.floorplan-container {
    position: relative;
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    min-height: 500px;
    overflow: hidden;
}

.floorplan-container canvas {
    width: 100%;
    height: 100%;
}

.rack-marker {
    position: absolute;
    background: var(--rv-primary);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    cursor: move;
    white-space: nowrap;
    z-index: 10;
}

.rack-marker:hover {
    background: #1557b0;
}

/* Hierarchy tree */
.location-tree .list-group-item {
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.location-tree .list-group-item:hover {
    border-left-color: var(--rv-primary);
    background: #f0f4ff;
}

.location-tree .list-group-item.active {
    border-left-color: var(--rv-primary);
    background: #e3edff;
    color: var(--rv-dark);
}

/* Management IP button */
.btn-mgmt {
    font-size: 12px;
    padding: 2px 8px;
}

/* Tables */
.table th {
    background: #f8f9fa;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive */
@media (max-width: 768px) {
    .rack-container {
        overflow-x: auto;
    }
}

/* Location Tree Navigation (DCTrack-style) */
.location-tree-nav .tree-node {
    margin-bottom: 1px;
}

.location-tree-nav .tree-toggle {
    padding: 5px 8px;
    cursor: pointer;
    font-size: 13px;
    border-radius: 4px;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: background 0.15s;
}

.location-tree-nav .tree-toggle:hover {
    background: #e9ecef;
}

.location-tree-nav .tree-toggle .bi-chevron-down,
.location-tree-nav .tree-toggle .bi-chevron-right {
    font-size: 10px;
    width: 14px;
    transition: transform 0.2s;
}

.location-tree-nav .tree-children {
    display: flex;
    flex-direction: column;
}

.location-tree-nav .tree-children.collapsed {
    display: none;
}

.location-tree-nav .tree-leaf {
    display: block;
    padding: 5px 8px;
    font-size: 13px;
    text-decoration: none;
    color: #333;
    border-radius: 4px;
    border-left: 3px solid transparent;
    transition: all 0.15s;
    width: 100%;
    clear: both;
}

.location-tree-nav .tree-leaf:hover {
    background: #e3edff;
    border-left-color: var(--rv-primary);
    color: var(--rv-primary);
}

.location-tree-nav .tree-leaf.active {
    background: #1a73e8;
    color: white;
    border-left-color: #1557b0;
    font-weight: 500;
}

/* Equipment Status Overlays */
.rack-unit.occupied.status-planned {
    position: relative;
}
.rack-unit.occupied.status-planned::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(40, 167, 69, 0.45);
    pointer-events: none;
    border-radius: 2px;
}

.rack-unit.occupied.status-decommissioned {
    position: relative;
}
.rack-unit.occupied.status-decommissioned::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(243, 156, 18, 0.45);
    pointer-events: none;
    border-radius: 2px;
}

.rack-unit.occupied.status-archived {
    position: relative;
}
.rack-unit.occupied.status-archived::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(231, 76, 60, 0.45);
    pointer-events: none;
    border-radius: 2px;
}