/**
 * PVT - CSS Styles
 * Giao diện dark sidebar như mẫu
 */

:root {
    --primary: #28a745;
    --primary-dark: #218838;
    --sidebar-bg: #1a1d21;
    --sidebar-text: #9ca3af;
    --sidebar-hover: #2d3238;
    --sidebar-active: #28a745;
    --sidebar-width: 260px;
    --navbar-height: 60px;
    --body-bg: #f5f7fa;
    --card-bg: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
}

[data-theme="dark"] {
    --body-bg: #111827;
    --card-bg: #1f2937;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --border-color: #374151;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

/* =====================================================
   SIDEBAR
===================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
}

.sidebar-brand i {
    font-size: 24px;
    color: var(--primary);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: none;
}

.sidebar-body {
    flex: 1;
    overflow-y: auto;
    padding: 15px 0;
}

.sidebar-body::-webkit-scrollbar {
    width: 5px;
}

.sidebar-body::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 5px;
}

/* Sidebar Navigation */
.sidebar-nav {
    display: flex;
    flex-direction: column;
}

.nav-section {
    padding: 20px 20px 10px;
    font-size: 11px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: all 0.2s ease;
    gap: 12px;
}

.nav-link i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.nav-link:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.nav-link.active {
    background: var(--primary);
    color: #fff;
    border-radius: 0;
}

.nav-link.has-submenu {
    justify-content: flex-start;
}

.nav-link .submenu-icon {
    margin-left: auto;
    font-size: 12px;
    transition: transform 0.2s ease;
}

.nav-group.open .submenu-icon {
    transform: rotate(180deg);
}

.submenu {
    display: none;
    background: rgba(0,0,0,0.2);
}

.nav-group.open .submenu {
    display: block;
}

.submenu .nav-link {
    padding-left: 56px;
    font-size: 13px;
}

.submenu .nav-link.active {
    background: transparent;
    color: var(--primary);
    font-weight: 500;
}

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

/* Top Navbar */
.top-navbar {
    height: var(--navbar-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.page-title {
    font-size: 14px;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 10px;
    font-weight: 600;
}

/* User Menu */
.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: none;
    padding: 5px;
    cursor: pointer;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info {
    text-align: left;
}

.user-name {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 14px;
}

.user-role {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Page Content */
.page-content {
    flex: 1;
    padding: 20px;
}

/* =====================================================
   CARDS
===================================================== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background: transparent;
}

.card-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* Stats Cards */
.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.primary { background: rgba(40, 167, 69, 0.1); color: var(--primary); }
.stat-icon.info { background: rgba(23, 162, 184, 0.1); color: var(--info); }
.stat-icon.warning { background: rgba(255, 193, 7, 0.1); color: var(--warning); }
.stat-icon.danger { background: rgba(220, 53, 69, 0.1); color: var(--danger); }

.stat-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.stat-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.stat-subtitle {
    font-size: 12px;
    color: var(--text-secondary);
}

/* =====================================================
   ROOM GRID (Sơ đồ căn hộ)
===================================================== */
.floor-section {
    margin-bottom: 30px;
}

.floor-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
}

.room-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.room-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.room-card-header {
    padding: 12px 15px;
    color: #fff;
    font-weight: 600;
    text-align: center;
}

.room-card.available .room-card-header { background: var(--danger); }
.room-card.occupied .room-card-header { background: var(--success); }
.room-card.deposited .room-card-header { background: var(--warning); }
.room-card.maintenance .room-card-header { background: #6c757d; }

.room-card-body {
    padding: 10px 15px;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
}

/* =====================================================
   TABLES
===================================================== */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border-color);
    padding: 12px 15px;
    white-space: nowrap;
}

.table td {
    padding: 12px 15px;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: rgba(0,0,0,0.02);
}

/* Action Buttons */
.action-btns {
    display: flex;
    gap: 5px;
}

.btn-action {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-action.btn-view { background: #e3f2fd; color: #1976d2; }
.btn-action.btn-edit { background: #e8f5e9; color: #388e3c; }
.btn-action.btn-delete { background: #ffebee; color: #d32f2f; }
.btn-action.btn-print { background: #fff3e0; color: #f57c00; }
.btn-action.btn-download { background: #e0f2f1; color: #00897b; }

.btn-action:hover { opacity: 0.8; transform: scale(1.1); }

/* Status Badges */
.badge {
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
}

/* =====================================================
   FORMS
===================================================== */
.form-label {
    font-weight: 500;
    margin-bottom: 5px;
    font-size: 13px;
}

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 14px;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.input-group-text {
    background: #f8f9fa;
    border: 1px solid var(--border-color);
}

/* =====================================================
   BUTTONS
===================================================== */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

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

.btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 13px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

/* =====================================================
   MODALS
===================================================== */
.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 15px 20px;
}

/* =====================================================
   FILTER BAR
===================================================== */
.filter-bar {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

.filter-bar .form-control,
.filter-bar .form-select {
    font-size: 13px;
}

/* =====================================================
   SEARCH BOX
===================================================== */
.search-box {
    position: relative;
    max-width: 300px;
}

.search-box input {
    padding-left: 40px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

/* =====================================================
   TABS NAV
===================================================== */
.nav-tabs-custom {
    border-bottom: 2px solid var(--border-color);
    gap: 5px;
}

.nav-tabs-custom .nav-link {
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    border-radius: 8px 8px 0 0;
    font-weight: 500;
}

.nav-tabs-custom .nav-link.active {
    background: var(--primary);
    color: #fff;
}

/* =====================================================
   NOTIFICATION DROPDOWN
===================================================== */
.notification-dropdown {
    width: 360px;
    padding: 0;
}

.notification-dropdown .dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.notification-list {
    max-height: 300px;
    overflow-y: auto;
}

.notification-item {
    display: flex;
    gap: 12px;
    padding: 12px 15px;
    text-decoration: none;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.notification-item:hover {
    background: #f8f9fa;
}

.notification-item.unread {
    background: rgba(40, 167, 69, 0.05);
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.notification-content p {
    margin: 0;
    font-size: 13px;
}

.notification-content small {
    color: var(--text-secondary);
}

.dropdown-footer {
    padding: 12px 15px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

/* =====================================================
   LOGIN PAGE
===================================================== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1d21 0%, #2d3238 100%);
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo i {
    font-size: 48px;
    color: var(--primary);
}

.login-logo h2 {
    margin: 10px 0 5px;
    font-size: 24px;
}

.login-logo p {
    color: var(--text-secondary);
    margin: 0;
}

/* =====================================================
   RESPONSIVE
===================================================== */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    
    .sidebar.show + .main-content .sidebar-overlay,
    body.sidebar-open .sidebar-overlay {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 767.98px) {
    .page-content {
        padding: 15px;
    }
    
    .stat-card {
        padding: 15px;
    }
    
    .room-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }
    
    .notification-dropdown {
        width: 300px;
    }
}

/* =====================================================
   UTILITIES
===================================================== */
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }
.text-muted { color: var(--text-secondary) !important; }

.bg-success { background-color: var(--success) !important; }
.bg-danger { background-color: var(--danger) !important; }
.bg-warning { background-color: var(--warning) !important; }
.bg-info { background-color: var(--info) !important; }

.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

.cursor-pointer { cursor: pointer; }

/* DataTables Custom */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px 10px;
}

.dataTables_wrapper .dataTables_info {
    font-size: 13px;
    color: var(--text-secondary);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 6px !important;
}

/* Print Styles */
@media print {
    .sidebar, .top-navbar, .no-print {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
    }
    
    .page-content {
        padding: 0 !important;
    }
}