/* ==========================================================
   FlyAsia Travel - Admin Dashboard Stylesheet
   Modern, sleek, and high-performance admin portal
   ========================================================== */

:root {
    --admin-sidebar-bg: #0f172a;
    --admin-sidebar-hover: #1e293b;
    --admin-sidebar-active: #fa5636;
    --admin-primary: #1a2b48;
    --admin-secondary: #fa5636;
    --admin-accent: #0ea5e9;
    --admin-success: #10b981;
    --admin-warning: #f59e0b;
    --admin-danger: #ef4444;
    --admin-bg: #f1f5f9;
    --admin-card-bg: #ffffff;
    --admin-text-main: #1e293b;
    --admin-text-muted: #64748b;
    --admin-border: #e2e8f0;
    --admin-radius: 12px;
    --admin-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Poppins', 'Noto Sans Bengali', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--admin-bg);
    color: var(--admin-text-main);
    font-size: 13.5px;
    line-height: 1.5;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: var(--admin-sidebar-bg);
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo-img {
    max-height: 38px;
    width: auto;
    background: #ffffff;
    padding: 2px 6px;
    border-radius: 6px;
}

.sidebar-title {
    font-size: 15px;
    font-weight: 700;
    color: #ffffff;
}

.sidebar-badge {
    font-size: 10px;
    background: rgba(250, 86, 54, 0.2);
    color: var(--admin-secondary);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
}

.sidebar-menu {
    padding: 16px 12px;
    flex: 1;
    overflow-y: auto;
    list-style: none;
}

.menu-category-title {
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #64748b;
    padding: 12px 14px 6px;
}

.sidebar-menu-item {
    margin-bottom: 4px;
}

.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 8px;
    color: #94a3b8;
    text-decoration: none;
    font-weight: 500;
    font-size: 13.5px;
    transition: var(--transition);
    cursor: pointer;
}

.sidebar-menu-link i {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.sidebar-menu-link:hover {
    background: var(--admin-sidebar-hover);
    color: #ffffff;
}

.sidebar-menu-link.active {
    background: var(--admin-secondary);
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(250, 86, 54, 0.35);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--admin-secondary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Main Content Area */
.admin-main {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Admin Header */
.admin-header {
    height: 70px;
    background: #ffffff;
    border-bottom: 1px solid var(--admin-border);
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-left-tools {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-search-box {
    position: relative;
    width: 320px;
}

.admin-search-box input {
    width: 100%;
    padding: 9px 14px 9px 36px;
    border-radius: 8px;
    border: 1px solid var(--admin-border);
    background: #f8fafc;
    font-size: 13px;
    outline: none;
    transition: var(--transition);
}

.admin-search-box input:focus {
    background: #ffffff;
    border-color: var(--admin-accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.12);
}

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

.header-right-tools {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-visit-site {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f1f5f9;
    color: var(--admin-primary);
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--admin-border);
}

.btn-visit-site:hover {
    background: var(--admin-primary);
    color: #ffffff;
}

/* Main Dashboard Body */
.admin-body {
    padding: 28px;
    flex: 1;
}

.admin-view-section {
    display: none;
    animation: fadeIn 0.25s ease;
}

.admin-view-section.active {
    display: block;
}

.page-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--admin-primary);
}

.page-subtitle {
    font-size: 13px;
    color: var(--admin-text-muted);
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.kpi-card {
    background: #ffffff;
    border-radius: var(--admin-radius);
    padding: 22px;
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kpi-info h5 {
    font-size: 12.5px;
    color: var(--admin-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--admin-primary);
}

.kpi-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.kpi-icon.blue { background: rgba(14, 165, 233, 0.12); color: var(--admin-accent); }
.kpi-icon.green { background: rgba(16, 185, 129, 0.12); color: var(--admin-success); }
.kpi-icon.coral { background: rgba(250, 86, 54, 0.12); color: var(--admin-secondary); }
.kpi-icon.amber { background: rgba(245, 158, 11, 0.12); color: var(--admin-warning); }

/* Tables & Card Containers */
.admin-card {
    background: #ffffff;
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.admin-card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-card-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--admin-primary);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

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

.admin-table th {
    background: #f8fafc;
    color: #475569;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
    padding: 14px 18px;
    border-bottom: 1px solid #f1f5f9;
    color: var(--admin-text-main);
    vertical-align: middle;
}

.admin-table tr:hover td {
    background: #f8fafc;
}

/* Status Pills */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 9999px;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: capitalize;
}

.status-pill.confirmed, .status-pill.active {
    background: #dcfce7;
    color: #16a34a;
}

.status-pill.pending, .status-pill.review {
    background: #fef3c7;
    color: #d97706;
}

.status-pill.cancelled {
    background: #fee2e2;
    color: #dc2626;
}

/* Action Buttons */
.btn-admin-primary {
    background: var(--admin-secondary);
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-admin-primary:hover {
    background: #e04426;
}

.action-btn-group {
    display: flex;
    gap: 6px;
}

.action-btn {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    border: 1px solid var(--admin-border);
    background: #ffffff;
    color: var(--admin-text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.action-btn:hover {
    background: #f1f5f9;
    color: var(--admin-primary);
}

.action-btn.delete:hover {
    background: #fee2e2;
    color: #dc2626;
    border-color: #fca5a5;
}

.action-btn.view:hover {
    background: #e0f2fe;
    color: #0284c7;
    border-color: #bae6fd;
}

/* Toggle Switches */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #10b981;
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Module Manager Grid */
.module-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.module-card {
    background: #ffffff;
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--admin-shadow);
    transition: var(--transition);
}

.module-card:hover {
    border-color: #cbd5e1;
    transform: translateY(-2px);
}

.module-card-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.module-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(26, 43, 72, 0.08);
    color: var(--admin-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.module-info h4 {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--admin-primary);
    margin-bottom: 2px;
}

.module-info p {
    font-size: 12px;
    color: var(--admin-text-muted);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1024px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .module-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-main {
        margin-left: 0;
    }
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}