/* 
   Modern, Premium Dashboard Styles 
   This file builds on the variables defined in style.css
*/

:root {
    --dashboard-bg: #f4f7fe;
    --card-bg: #ffffff;
    --sidebar-bg: #ffffff;
    --sidebar-width: 260px;
    --border-color: #e2e8f0;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 24px 38px 3px rgba(0, 0, 0, 0.02), 0 9px 46px 8px rgba(0, 0, 0, 0.02);
    --card-radius: 16px;
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Vibrant gradients for stat cards */
    --gradient-1: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    --gradient-2: linear-gradient(135deg, #f72585 0%, #b5179e 100%);
    --gradient-3: linear-gradient(135deg, #4cc9f0 0%, #4361ee 100%);
    --gradient-4: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.dashboard-container {
    display: flex;
    min-height: calc(100vh - 74px);
    background-color: var(--dashboard-bg);
}

/* --- Sidebar --- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    padding: 30px 0;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.04);
    position: relative;
    z-index: 10;
    border-right: 1px solid var(--border-color);
}

.sidebar-menu {
    list-style: none;
    padding: 0 15px;
}

.sidebar-menu li {
    margin-bottom: 8px;
}

.sidebar-menu li a {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: #4b5563;
    font-weight: 600;
    transition: var(--transition-smooth);
    gap: 12px;
    border-radius: 12px;
    font-size: 0.95rem;
}

.sidebar-menu li a i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    color: #9ca3af;
    transition: var(--transition-smooth);
}

.sidebar-menu li a:hover {
    background-color: #f3f4f6;
    color: var(--primary-color);
    transform: translateX(5px);
}

.sidebar-menu li a:hover i {
    color: var(--primary-color);
}

.sidebar-menu li a.active {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.sidebar-menu li a.active i {
    color: white;
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
}

.main-content h2 {
    font-size: 2rem;
    color: #111827;
    margin-bottom: 30px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* --- Stats Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    opacity: 0;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.stat-card:hover::before {
    opacity: 1;
}

/* Variation classes for cards - add to HTML */
.stat-card.primary::before {
    background: var(--gradient-1);
}

.stat-card.secondary::before {
    background: var(--gradient-2);
}

.stat-card.accent::before {
    background: var(--gradient-3);
}

.stat-card.success::before {
    background: var(--gradient-4);
}

.stat-info {
    z-index: 2;
}

.stat-info h3 {
    font-size: 2.2rem;
    margin-bottom: 4px;
    color: #111827;
    font-weight: 800;
}

.stat-info p {
    color: #6b7280;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    background: var(--gradient-1);
    box-shadow: 0 8px 16px rgba(67, 97, 238, 0.25);
    z-index: 2;
}

.stat-card:nth-child(2) .stat-icon {
    background: var(--gradient-3);
    box-shadow: 0 8px 16px rgba(76, 201, 240, 0.25);
}

.stat-card:nth-child(3) .stat-icon {
    background: var(--gradient-2);
    box-shadow: 0 8px 16px rgba(247, 37, 133, 0.25);
}

/* --- Tables & Lists --- */
.table-container {
    background: var(--card-bg);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    margin-bottom: 30px;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
}

.users-table th,
.users-table td {
    text-align: left;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color);
}

.users-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #475569;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.users-table tbody tr {
    transition: var(--transition-smooth);
}

.users-table tbody tr:hover {
    background-color: #f1f5f9;
}

.users-table td {
    color: #1e293b;
    font-weight: 500;
}

.review-list {
    display: grid;
    gap: 20px;
}

/* Loading animation for dashboard elements */
.loading-spinner {
    padding: 40px;
    text-align: center;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    background: var(--card-bg);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.loading-spinner::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 3px solid rgba(67, 97, 238, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive Dashboard */
@media (max-width: 900px) {
    .dashboard-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 15px 0;
    }

    .sidebar-menu {
        display: flex;
        overflow-x: auto;
        padding: 0 15px;
        gap: 10px;
    }

    .sidebar-menu li {
        margin-bottom: 0;
        white-space: nowrap;
    }

    .sidebar-menu li a {
        padding: 10px 16px;
    }

    .main-content {
        padding: 24px;
    }

    .stat-info h3 {
        font-size: 1.8rem;
    }
}

@media (max-width: 600px) {

    .users-table th,
    .users-table td {
        padding: 12px 15px;
    }

    .main-content h2 {
        font-size: 1.6rem;
    }
}

/* --- Toast Notification --- */
.toast-notification {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--card-bg);
    color: var(--text-color);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 9999;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border-left: 4px solid var(--success);
}

.toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-notification.error {
    border-left-color: var(--danger);
}

.toast-icon {
    font-size: 1.2rem;
}

.toast-success .toast-icon {
    color: var(--success);
}

.toast-error .toast-icon {
    color: var(--danger);
}

.toast-message {
    font-weight: 500;
    font-size: 0.95rem;
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #4b5563;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    color: #111827;
    transition: var(--transition-smooth);
    background-color: #f9fafb;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
    background-color: #ffffff;
}