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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    background-attachment: fixed;
    color: #1e293b;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    position: relative;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    height: 70px;
    box-sizing: border-box;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

header h1 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-logout {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.btn-logout:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(239, 68, 68, 0.4);
}

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    padding-top: 70px;
    min-height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    overflow-y: auto;
    z-index: 999;
    box-shadow: 4px 0 6px -1px rgba(0, 0, 0, 0.1), 2px 0 4px -1px rgba(0, 0, 0, 0.06);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.5rem;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-size: 0.95rem;
    font-weight: 500;
    margin: 0.25rem 0.5rem;
    border-radius: 8px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    transform: translateX(4px);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.05) 100%);
    color: white;
    border-left-color: #3b82f6;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
    font-weight: 600;
}

.content {
    margin-left: 260px;
    margin-top: 70px;
    padding: 2rem;
    flex: 1;
    min-height: calc(100vh - 70px);
    width: calc(100vw - 260px);
    max-width: calc(100vw - 260px);
    box-sizing: border-box;
    overflow-x: hidden;
    overflow-y: auto;
    background: transparent;
}

@media (max-width: 768px) {
    .sidebar {
        width: 0;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.active {
        transform: translateX(0);
        width: 260px;
    }
    
    .content {
        margin-left: 0;
        width: 100vw;
        max-width: 100vw;
        padding: 1rem;
    }
    
    header {
        padding: 1rem;
    }
    
    .card {
        padding: 1.25rem;
    }
    
    .stat-card {
        padding: 1.25rem;
    }
}

.content h2 {
    margin-bottom: 1.5rem;
    margin-top: 0;
    color: #1e293b;
    font-size: 2rem;
    font-weight: 700;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e2e8f0;
    letter-spacing: -0.5px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: white;
    padding: 1.75rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(226, 232, 240, 0.8);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    line-height: 1;
}

.stat-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.stat-info h3 {
    font-size: 2rem;
    color: #1e293b;
    margin-bottom: 0.25rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.2;
}

.stat-info p {
    color: #64748b;
    font-size: 0.9rem;
}

.card {
    background: white;
    padding: 1.75rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-bottom: 1.5rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card:last-child {
    margin-bottom: 0;
}

.card h3 {
    margin-bottom: 1.25rem;
    margin-top: 0;
    color: #1e293b;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.3px;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: auto;
}

table thead {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

table th {
    padding: 1rem 0.75rem;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
    white-space: nowrap;
    font-weight: 600;
    color: #475569;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table td {
    padding: 1rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid #f1f5f9;
    white-space: normal;
    word-wrap: break-word;
    color: #334155;
}

table tbody tr {
    transition: all 0.2s ease;
}

table tbody tr:hover {
    background: linear-gradient(90deg, #f8fafc 0%, #ffffff 100%);
    transform: scale(1.01);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.text-center {
    text-align: center;
}

/* Login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: backgroundMove 20s linear infinite;
}

@keyframes backgroundMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.login-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-card h1 {
    text-align: center;
    margin-bottom: 0.5rem;
    color: #1e293b;
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -0.5px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: #64748b;
    font-size: 1.125rem;
    font-weight: 400;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #475569;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover {
    border-color: #cbd5e1;
}

.btn-primary {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px -1px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.btn-primary.full-width {
    width: 100%;
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: #64748b;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-danger {
    padding: 0.75rem 1.5rem;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    padding: 0.75rem 1.5rem;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-success:hover {
    background: #059669;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

.btn-action {
    padding: 0.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    pointer-events: auto;
    opacity: 1;
}

.btn-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.btn-action:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-action-edit {
    background: #3b82f6;
    color: white;
}

.btn-action-edit:hover {
    background: #2563eb;
}

.btn-action-delete {
    background: #ef4444;
    color: white;
}

.btn-action-delete:hover {
    background: #dc2626;
}

.btn-action-activate {
    background: #10b981;
    color: white;
}

.btn-action-activate:hover {
    background: #059669;
}

.btn-action-deactivate {
    background: #f59e0b;
    color: white;
}

.btn-action-deactivate:hover {
    background: #d97706;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-icon:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
}

.btn-icon:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-icon-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(59, 130, 246, 0.3);
}

.btn-icon-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: 0 6px 8px -1px rgba(59, 130, 246, 0.4);
}

.btn-icon-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3);
}

.btn-icon-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: 0 6px 8px -1px rgba(16, 185, 129, 0.4);
}

.btn-icon-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(100, 116, 139, 0.3);
}

.btn-icon-secondary:hover {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    box-shadow: 0 6px 8px -1px rgba(100, 116, 139, 0.4);
}

.btn-icon.full-width {
    width: 100%;
    justify-content: center;
}

.btn-icon.full-width {
    width: 100%;
    justify-content: center;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border-left: 4px solid;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    animation: alertSlideIn 0.3s ease-out;
}

@keyframes alertSlideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-success {
    background: linear-gradient(90deg, #d1fae5 0%, #ecfdf5 100%);
    color: #065f46;
    border-left-color: #10b981;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: linear-gradient(90deg, #fee2e2 0%, #fef2f2 100%);
    color: #991b1b;
    border-left-color: #ef4444;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: linear-gradient(90deg, #dbeafe 0%, #eff6ff 100%);
    color: #1e40af;
    border-left-color: #3b82f6;
    border: 1px solid #93c5fd;
}

.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.form-group select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.form-group select:hover {
    border-color: #cbd5e1;
}

.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s ease;
    background: white;
}

.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea:hover {
    border-color: #cbd5e1;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #64748b;
    font-size: 0.875rem;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    padding: 2rem;
    overflow-y: auto;
}

.modal-content {
    background: white;
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    border-radius: 16px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(226, 232, 240, 0.8);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e2e8f0;
}

.modal-header h3 {
    margin: 0;
    color: #1e293b;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid #e2e8f0;
}

.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

.badge-secondary {
    background: #f3f4f6;
    color: #374151;
}