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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: rgba(20, 20, 20, 0.8);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo h2 {
    color: #ffffff;
    font-size: 24px;
    font-weight: 600;
}

.nav-menu {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: all 0.2s ease;
    gap: 12px;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.9);
}

.nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border-left-color: #3b82f6;
}

.nav-item .icon {
    font-size: 18px;
}

.user-profile {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info {
    flex: 1;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
}

.user-role {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 32px;
    background: #0a0a0a;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.header h1 {
    font-size: 32px;
    font-weight: 600;
    color: #ffffff;
}

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

.search-box input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px 16px;
    color: #ffffff;
    width: 250px;
    font-size: 14px;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-box input:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(255, 255, 255, 0.08);
}

.icon-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    gap: 16px;
    transition: all 0.2s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.stat-icon.green {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.stat-icon.purple {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

.stat-icon.orange {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 6px;
}

.stat-value {
    font-size: 28px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 4px;
}

.stat-change {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.stat-change.positive {
    color: #22c55e;
}

/* Section Header */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
}

.view-all {
    color: #3b82f6;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.view-all:hover {
    color: #60a5fa;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 40px;
}

.action-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    color: #ffffff;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
}

.action-icon {
    font-size: 20px;
}

.action-text {
    font-size: 15px;
    font-weight: 500;
}

/* Activity List */
.activity-list {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 8px;
}

.activity-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    border-radius: 8px;
    transition: background 0.2s ease;
}

.activity-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.activity-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.activity-details {
    flex: 1;
}

.activity-title {
    font-size: 15px;
    color: #ffffff;
    margin-bottom: 4px;
}

.activity-time {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* Tables */
.table-container {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

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

thead {
    background: rgba(255, 255, 255, 0.03);
}

th {
    padding: 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 16px;
    color: #ffffff;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.badge.active {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.badge.left {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.badge.paid {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.badge.pending {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
}

.badge.fulltime {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.badge.freelancer {
    background: rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: rgba(59, 130, 246, 0.3);
}

.btn-success {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.btn-success:hover {
    background: rgba(34, 197, 94, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px 16px;
    color: #ffffff;
    font-size: 14px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.5);
    background: rgba(255, 255, 255, 0.08);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Card */
.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }
    
    .sidebar .nav-item span:not(.icon) {
        display: none;
    }
    
    .user-info {
        display: none;
    }
    
    .main-content {
        margin-left: 70px;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}