/* Modern Dark Theme Admin Dashboard CSS */
:root {
    --bg-main: #0b0f19;
    --bg-card: #151c2c;
    --bg-card-hover: #1e293b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(56, 189, 248, 0.3);
    
    --primary: #0284c7;
    --primary-gradient: linear-gradient(135deg, #38bdf8 0%, #2563eb 100%);
    --accent: #6366f1;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --sidebar-width: 260px;
    --header-height: 70px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-premium: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

/* Layout */
.app-container {
    display: flex;
    width: 100vw;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: #0f172a;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: all 0.3s ease;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    width: 38px;
    height: 38px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.sidebar-title {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-grow: 1;
}

.menu-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    font-weight: 700;
    padding: 0 12px;
    margin-top: 16px;
    margin-bottom: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-item:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.nav-item.active {
    color: white;
    background: var(--primary-gradient);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.35);
}

.nav-item svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

/* Main Content Area */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex-grow: 1;
    display: flex;
    flex-direction: flex;
    flex-direction: column;
    min-height: 100vh;
    width: calc(100vw - var(--sidebar-width));
}

/* Header */
.top-header {
    height: var(--header-height);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-title h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
}
.header-title p {
    font-size: 13px;
    color: var(--text-muted);
}

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

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card);
    padding: 6px 14px 6px 6px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
}

.user-info {
    display: flex;
    flex-direction: column;
}
.user-name {
    font-size: 13px;
    font-weight: 600;
}
.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* Main Content Body */
.content-body {
    padding: 32px;
    flex-grow: 1;
}

/* Stat Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
}

.stat-info span {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}
.stat-info h3 {
    font-size: 28px;
    font-weight: 800;
    margin-top: 6px;
    color: var(--text-main);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: justify;
    align-items: center;
    justify-content: center;
}
.stat-icon svg { width: 26px; height: 26px; }

.stat-icon.blue { background: rgba(56, 189, 248, 0.1); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.2); }
.stat-icon.green { background: rgba(16, 185, 129, 0.1); color: #10b981; border: 1px solid rgba(16, 185, 129, 0.2); }
.stat-icon.orange { background: rgba(245, 158, 11, 0.1); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.2); }
.stat-icon.purple { background: rgba(99, 102, 241, 0.1); color: #6366f1; border: 1px solid rgba(99, 102, 241, 0.2); }

/* Panels & Tables */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
    margin-bottom: 32px;
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.panel-title {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.custom-table th {
    background: rgba(15, 23, 42, 0.4);
    padding: 14px 24px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.custom-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.account-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.account-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0284c7, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
}

.account-details {
    display: flex;
    flex-direction: column;
}
.account-name { font-weight: 600; color: var(--text-main); }
.account-phone { font-size: 12px; color: var(--text-muted); }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.badge.active { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge.active .badge-dot { background: #34d399; box-shadow: 0 0 8px #34d399; }

.badge.pending { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge.pending .badge-dot { background: #fbbf24; box-shadow: 0 0 8px #fbbf24; }

.badge.danger { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge.danger .badge-dot { background: #f87171; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}
.btn-primary:hover { opacity: 0.95; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4); }

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); }

.btn-danger-sm {
    padding: 6px 12px;
    font-size: 12px;
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
}
.btn-danger-sm:hover { background: rgba(239, 68, 68, 0.2); }

.btn-success-sm {
    padding: 6px 12px;
    font-size: 12px;
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-sm);
}
.btn-success-sm:hover { background: rgba(16, 185, 129, 0.2); }

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 540px;
    padding: 32px;
    box-shadow: var(--shadow-premium);
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.modal-overlay.show .modal-card {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.modal-title { font-size: 18px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 20px; }

/* Forms */
.form-group {
    margin-bottom: 20px;
}
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-help {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 6px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.toast {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    box-shadow: var(--shadow-premium);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    animation: slideIn 0.3s ease;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}