/* ==========================================================================
   THE HERITAGE HOTEL - EXECUTIVE PROPERTY MANAGEMENT SYSTEM (PMS)
   ========================================================================== */

:root {
    --admin-bg: #F4EFEA;
    --admin-sidebar: #1C0F0A;
    --admin-sidebar-hover: #2E1A11;
    --admin-card: #FFFFFF;
    --admin-accent: #D4AF37;
    --admin-accent-dark: #A68020;
    --admin-text: #241610;
    --admin-border: #E8E0D5;
}

body.admin-body {
    background: var(--admin-bg);
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
    color: var(--admin-text);
    margin: 0;
    padding: 0;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.admin-sidebar {
    width: 270px;
    background: var(--admin-sidebar);
    color: #FFFFFF;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    border-right: 1px solid rgba(212, 175, 55, 0.2);
}

.admin-brand {
    font-family: 'Cinzel', serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--admin-accent);
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 2px;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: #C8BEB5;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.25s;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.admin-nav-item:hover, .admin-nav-item.active {
    background: rgba(212, 175, 55, 0.16);
    color: var(--admin-accent);
}

.admin-nav-item.active {
    border-left: 3px solid var(--admin-accent);
}

.admin-nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

/* MAIN */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.admin-topbar {
    background: #FFFFFF;
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--admin-border);
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.admin-content {
    padding: 30px 32px;
    flex: 1;
}

/* KPI CARDS */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kpi-card {
    background: #FFFFFF;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    border: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 18px;
    transition: transform 0.3s;
}

.kpi-card:hover {
    transform: translateY(-4px);
}

.kpi-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.kpi-info h3 {
    margin: 0;
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--admin-sidebar);
}

.kpi-info span {
    font-size: 0.78rem;
    color: #777;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

/* ROOM RACK / VISUAL FLOOR MAP */
.rack-legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding: 12px 18px;
    background: #FFFFFF;
    border-radius: 8px;
    border: 1px solid var(--admin-border);
    font-size: 0.85rem;
}

.rack-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.room-rack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.room-unit-card {
    background: #FFFFFF;
    border-radius: 10px;
    padding: 16px;
    border: 2px solid var(--admin-border);
    box-shadow: 0 3px 12px rgba(0,0,0,0.03);
    cursor: pointer;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.room-unit-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

.unit-number {
    font-size: 1.4rem;
    font-weight: 800;
    font-family: 'Cinzel', serif;
    color: var(--admin-sidebar);
    margin-bottom: 2px;
}

.unit-type {
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 12px;
    text-transform: uppercase;
    font-weight: 600;
}

.unit-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-ready { background: #E8F8F0; color: #1E824C; border: 1px solid #A2DED0; }
.status-occupied { background: #FDEDEC; color: #C0392B; border: 1px solid #F5B7B1; }
.status-cleaning { background: #FEF9E7; color: #B7950B; border: 1px solid #F9E79F; }
.status-maintenance { background: #EAECEE; color: #5D6D7E; border: 1px solid #D5D8DC; }

/* TABLES */
.admin-card {
    background: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    border: 1px solid var(--admin-border);
    margin-bottom: 30px;
    overflow: hidden;
}

.admin-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-card-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--admin-sidebar);
}

.table-responsive {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

.admin-table th {
    background: #FAF7F2;
    padding: 14px 18px;
    color: #555;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid #EDE4D5;
}

.admin-table td {
    padding: 14px 18px;
    border-bottom: 1px solid #F4EEE6;
    vertical-align: middle;
}

.admin-table tr:hover {
    background: #FDFBF7;
}

.status-select {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 700;
    border: 1.5px solid #DDD;
    background: #FFF;
    cursor: pointer;
    outline: none;
}

.admin-tab-pane {
    display: none;
}

.admin-tab-pane.active {
    display: block;
}

@media (max-width: 900px) {
    .admin-layout { flex-direction: column; }
    .admin-sidebar { width: 100%; }
}