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

:root {
    --primary: #3b82f6;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(to bottom right, #f0f9ff, #f3e8ff, #fdf2f8);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-background {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.2), transparent),
                radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.2), transparent);
    border-radius: 50%;
}

.login-card {
    position: relative;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 15px;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.login-header h1 {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 24px;
    margin-bottom: 5px;
}

.login-header p {
    color: var(--gray-600);
    font-size: 14px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-footer {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 12px;
    color: var(--gray-600);
}

.login-footer p:first-child {
    font-weight: 600;
    margin-bottom: 8px;
}

/* Main App Layout */
.app-container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close-sidebar {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-600);
}

.nav-menu {
    flex: 1;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    background: none;
    cursor: pointer;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.5);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

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

.nav-item .label {
    flex: 1;
}

.sidebar-footer {
    padding: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-radius: 10px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    width: 100%;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

.main-content {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mobile-header {
    display: none;
    padding: 15px;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-700);
}

.logo-mobile {
    flex: 1;
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-content {
    flex: 1;
    padding: 30px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    z-index: 40;
}

/* Cards and Containers */
.card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

.card h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--gray-800);
}

.form-card {
    max-width: 600px;
}

/* Forms */
.form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-700);
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 14px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.6);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
    color: var(--gray-800);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.8);
}

.search-input {
    width: 100% !important;
    padding: 12px 16px !important;
    margin-bottom: 15px;
}

/* Buttons */
.btn {
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.5);
    color: var(--gray-700);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.7);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-edit {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
}

.btn-edit:hover {
    background: rgba(59, 130, 246, 0.2);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* Tables */
.table-card {
    overflow-x: auto;
}

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

.table thead {
    background: rgba(0, 0, 0, 0.02);
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 13px;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.3);
}

.actions {
    display: flex;
    gap: 8px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--primary);
    color: white;
}

.badge-success {
    background: var(--success);
}

.badge-gray {
    background: var(--gray-300);
    color: var(--gray-700);
}

/* Dashboard */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.dashboard-header h2 {
    font-size: 28px;
    color: var(--gray-800);
}

.dashboard-header p {
    color: var(--gray-600);
    margin-top: 5px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.metric-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 12px;
}

.metric-card h3 {
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.metric-label {
    font-size: 12px;
    color: var(--gray-600);
}

.date-range-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.member-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.member-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 8px;
    transition: var(--transition);
}

.member-item:hover {
    background: rgba(255, 255, 255, 0.6);
}

.member-info {
    display: flex;
    flex-direction: column;
}

.member-info h4 {
    font-weight: 600;
    color: var(--gray-800);
}

.member-info p {
    font-size: 12px;
    color: var(--gray-600);
}

.member-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.type-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.type-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 8px;
}

.type-color {
    width: 30px;
    height: 30px;
    border-radius: 6px;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.color-radio {
    -webkit-appearance: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    background: var(--color);
    border: 3px solid transparent;
    transition: var(--transition);
}

.color-radio:checked {
    border-color: var(--gray-800);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8);
}

/* Messages */
.error-message {
    padding: 12px 16px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    color: var(--danger);
    font-size: 14px;
    margin-bottom: 15px;
}

.success-message {
    padding: 12px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    color: var(--success);
    font-size: 14px;
    margin-bottom: 15px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    max-width: 500px;
    width: 90%;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.close {
    float: right;
    font-size: 28px;
    cursor: pointer;
    color: var(--gray-600);
}

.close:hover {
    color: var(--gray-800);
}

.page-header {
    margin-bottom: 30px;
}

.page-header h2 {
    font-size: 28px;
    color: var(--gray-800);
    margin-bottom: 5px;
}

.page-header p {
    color: var(--gray-600);
}

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

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }

    .page-content {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: 280px;
        height: 100vh;
        z-index: 50;
        transform: translateX(-100%);
        transition: var(--transition);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .close-sidebar {
        display: block;
    }

    .mobile-header {
        display: flex;
    }

    .sidebar-overlay.open {
        display: block;
    }

    .page-content {
        padding: 15px;
        padding-top: 0;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .date-range-form {
        grid-template-columns: 1fr;
    }

    .table {
        font-size: 12px;
    }

    .table th,
    .table td {
        padding: 8px;
    }

    .actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 20px;
    }

    .page-content {
        padding: 12px;
    }

    .card {
        padding: 16px;
    }

    .metrics-grid {
        gap: 12px;
    }

    .metric-card {
        padding: 16px;
    }

    .color-palette {
        grid-template-columns: repeat(3, 1fr);
    }

    .type-list {
        grid-template-columns: 1fr;
    }
}