/**
 * Modern Admin Interface - Multi-Fund Income Tracker
 * Unified stylesheet for modern UI across all admin pages
 */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Modern Header */
.modern-header {
    background: white;
    border-radius: 15px;
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.modern-header h1 {
    color: #4a5568;
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.modern-header .subtitle {
    color: #718096;
    font-size: 1rem;
    margin-top: 5px;
}

.breadcrumb {
    color: #718096;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #5a67d8;
}

/* Modern Navigation */
.nav-menu-container {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-menu-container.permissions-granted {
    visibility: visible !important;
    opacity: 1 !important;
}

.nav-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
    justify-content: center;
}

.nav-menu a {
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    background: #f7fafc;
    color: #4a5568;
    border: 2px solid transparent;
}

.nav-menu a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.nav-menu a.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.nav-menu a#logout-link {
    background: #fed7d7;
    color: #c53030;
    margin-left: auto;
}

.nav-menu a#logout-link:hover {
    background: #f56565;
    color: white;
}

/* Modern Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    font-size: 14px;
    border: 2px solid transparent;
    background: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
    transform: translateY(-1px);
}

.btn-success {
    background: #48bb78;
    color: white;
}

.btn-success:hover {
    background: #38a169;
    transform: translateY(-1px);
}

.btn-danger {
    background: #f56565;
    color: white;
}

.btn-danger:hover {
    background: #e53e3e;
    transform: translateY(-1px);
}

.btn-warning {
    background: #ed8936;
    color: white;
}

.btn-warning:hover {
    background: #dd6b20;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 16px;
}

/* Modern Cards */
.modern-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.modern-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e2e8f0;
}

.modern-card .card-header h3,
.modern-card .card-header h5 {
    color: #2d3748;
    margin: 0;
}

.modern-card .card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: white;
}

/* Modern Tables */
.modern-table-container {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.modern-table-header {
    background: #f7fafc;
    padding: 20px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.modern-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.modern-table th,
.modern-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: middle;
}

.modern-table th {
    background: #f7fafc;
    font-weight: 600;
    color: #4a5568;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.modern-table tbody tr:hover {
    background: #f7fafc;
}

.modern-table tbody tr:last-child td {
    border-bottom: none;
}

/* Modern Forms */
.modern-form {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #4a5568;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control:disabled {
    background: #f7fafc;
    color: #a0aec0;
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 8px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.input-group {
    display: flex;
    border-radius: 8px;
    overflow: hidden;
}

.input-group .form-control {
    border-radius: 0;
    border-right: none;
}

.input-group .btn {
    border-radius: 0;
    border-left: none;
}

.input-group .form-control:first-child {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}

.input-group .btn:last-child {
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

/* Modern Checkboxes and Switches */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    cursor: pointer;
}

.form-check-label {
    color: #4a5568;
    cursor: pointer;
    margin: 0;
}

.form-switch .form-check-input {
    width: 40px;
    height: 20px;
    border-radius: 10px;
    background: #cbd5e0;
    position: relative;
    appearance: none;
    transition: all 0.3s ease;
}

.form-switch .form-check-input:checked {
    background: #667eea;
}

.form-switch .form-check-input::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition: all 0.3s ease;
}

.form-switch .form-check-input:checked::before {
    transform: translateX(20px);
}

/* Modern Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    font-size: 14px;
}

.alert-success {
    background: #c6f6d5;
    color: #2f855a;
    border-color: #9ae6b4;
}

.alert-danger,
.alert-error {
    background: #fed7d7;
    color: #c53030;
    border-color: #feb2b2;
}

.alert-warning {
    background: #feebc8;
    color: #c05621;
    border-color: #f6e05e;
}

.alert-info {
    background: #bee3f8;
    color: #2b6cb0;
    border-color: #90cdf4;
}

/* Modern Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.badge-primary {
    background: #667eea;
    color: white;
}

.badge-success {
    background: #48bb78;
    color: white;
}

.badge-danger {
    background: #f56565;
    color: white;
}

.badge-warning {
    background: #ed8936;
    color: white;
}

.badge-info {
    background: #4299e1;
    color: white;
}

.badge-secondary {
    background: #a0aec0;
    color: white;
}

/* Fund Family Specific Badges */
.fund-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: white;
}

.fund-income_shares {
    background: #4299e1;
}

.fund-global_x {
    background: #d69e2e;
}

.fund-jpmorgan {
    background: #2d3748;
}

.fund-vanguard {
    background: #c53030;
}

.fund-blackrock {
    background: #1a202c;
}

.fund-schwab {
    background: #065f46;
}

.fund-invesco {
    background: #7c3aed;
}

.fund-wisdomtree {
    background: #059669;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-card .number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-card .label {
    color: #718096;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Modal Enhancements */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
    background: #f7fafc;
    border-bottom: 1px solid #e2e8f0;
    border-radius: 15px 15px 0 0;
    padding: 20px 30px;
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    background: #f7fafc;
    border-top: 1px solid #e2e8f0;
    border-radius: 0 0 15px 15px;
    padding: 20px 30px;
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .modern-header {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .modern-header h1 {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
    }
    
    .nav-menu a {
        text-align: center;
        margin: 0;
    }
    
    .modern-card {
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .modern-table-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .modern-table {
        font-size: 0.8rem;
    }
    
    .modern-table th,
    .modern-table td {
        padding: 8px 6px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .btn:last-child {
        margin-bottom: 0;
    }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    /* Can be expanded later if needed */
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.p-0 { padding: 0; }
.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Print Styles */
@media print {
    body {
        background: white !important;
    }
    
    .modern-header,
    .nav-menu-container,
    .btn,
    .modal {
        display: none !important;
    }
    
    .modern-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* Permission guard loading states */
.permission-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    font-family: Arial, sans-serif;
}