/* WealthWise - Professional Wealth Management Dashboard */

:root {
    /* Professional Indigo/Violet Theme */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-solid: #6366f1;
    
    --secondary-color: #64748b;
    --success-color: #10b981;
    --success-light: #34d399;
    --warning-color: #f59e0b;
    --warning-light: #fbbf24;
    --danger-color: #ef4444;
    --danger-light: #f87171;
    --info-color: #6366f1;
    --info-light: #818cf8;
    
    /* Gradient Colors - Indigo */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-info: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);
    
    /* Background Colors - Professional Dark */
    --bg-primary: #0a0e17;
    --bg-secondary: #0f1729;
    --bg-tertiary: #141b2d;
    --bg-card: #141b2d;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    /* Border Colors */
    --border-color: #1e293b;
    --border-hover: #334155;
    
    /* Shadow */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.2);
    
    /* Transitions */
    --transition: all 0.2s ease-in-out;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-hover: #475569;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: var(--transition);
}

/* Demo Banner */
.demo-banner {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(79, 70, 229, 0.05) 100%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--text-primary);
    padding: 0.875rem 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.demo-banner-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.demo-banner-content i:first-child {
    color: var(--primary-color);
}

.demo-banner-content i:first-child {
    font-size: 1.2rem;
}

.demo-banner-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    transition: background 0.2s;
}

.demo-banner-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-in-out;
}

.loading-content {
    text-align: center;
    color: white;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Navigation */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(10px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.nav-brand i {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: none;
    border: none;
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.nav-item:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.3), 0 2px 4px -1px rgba(99, 102, 241, 0.06);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle, .export-btn {
    padding: 0.5rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover, .export-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}

/* Main Content */
.main-content {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

.view-header {
    margin-bottom: 2rem;
}

.view-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.view-header h1 i {
    color: var(--primary-color);
}

.view-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
}

.header-actions {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    transition: all 0.2s ease;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.balance-card .stat-icon { background: var(--primary-color); }
.income-card .stat-icon { background: var(--success-color); }
.expense-card .stat-icon { background: var(--danger-color); }
.savings-card .stat-icon { background: var(--warning-color); }

.stat-content h3 {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-change {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.stat-change.positive { color: var(--success-color); }
.stat-change.negative { color: var(--danger-color); }

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.chart-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.chart-controls select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.chart-wrapper {
    position: relative;
    height: 300px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Recent Transactions */
.recent-transactions {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.transactions-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.transaction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    transition: var(--transition);
}

.transaction-item:hover {
    background: var(--bg-tertiary);
}

.transaction-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.transaction-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: white;
}

.transaction-details h4 {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.transaction-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.transaction-amount {
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.transaction-amount.positive { color: var(--success-color); }
.transaction-amount.negative { color: var(--danger-color); }

/* Transaction Filters */
.transaction-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.transaction-filters input,
.transaction-filters select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.transaction-filters input[type="search"] {
    min-width: 300px;
}

/* Transactions Table */
.transactions-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

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

.transactions-table th {
    background: var(--bg-tertiary);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--border-color);
}

.transactions-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.transactions-table tr:hover {
    background: var(--bg-secondary);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 1rem;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Form Styles */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

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

.form-group label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Budget Grid */
.budgets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.budget-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.budget-progress {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin: 1rem 0;
}

.budget-progress-bar {
    height: 100%;
    background: var(--success-color);
    transition: width 0.3s ease;
}

.budget-progress-bar.over-budget {
    background: var(--danger-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 0 1rem;
    }
    
    .nav-brand h1 {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .transaction-filters {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    .transaction-filters input[type="search"] {
        min-width: auto;
        width: 100%;
    }
    
    .transaction-filters select {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .budget-summary {
        grid-template-columns: 1fr;
    }
    
    .budgets-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        max-width: 95%;
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0 0.75rem;
    }
    
    .nav-brand h1 {
        font-size: 1rem;
    }
    
    .main-content {
        padding: 0.75rem;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.625rem 1rem;
        font-size: 0.875rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .transaction-item {
        padding: 0.75rem;
    }
    
    .transaction-info h4 {
        font-size: 0.95rem;
    }
    
    .modal-content {
        padding: 1rem;
    }
    
    .form-group label {
        font-size: 0.875rem;
    }
    
    input, select, textarea {
        font-size: 0.875rem;
        padding: 0.625rem;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

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

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }

.font-bold { font-weight: 700 !important; }
.font-medium { font-weight: 500 !important; }

.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-muted { color: var(--text-muted) !important; }

/* ===== BUDGET STYLES ===== */
.budget-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.summary-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.summary-content h3 {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.summary-change {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.budget-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

.budget-filters select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.budgets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.budget-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    transition: var(--transition);
}

.budget-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.budget-card.warning {
    border-color: var(--warning-color);
    background: linear-gradient(135deg, var(--bg-card), rgba(217, 119, 6, 0.05));
}

.budget-card.over-budget {
    border-color: var(--danger-color);
    background: linear-gradient(135deg, var(--bg-card), rgba(220, 38, 38, 0.05));
}

.budget-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.budget-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.budget-category {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.budget-period {
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.budget-amount {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1rem;
}

.budget-spent {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.budget-total {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.budget-progress {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.budget-progress-bar {
    height: 100%;
    background: var(--gradient-success);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.budget-progress-bar.warning {
    background: var(--gradient-warning);
}

.budget-progress-bar.over-budget {
    background: linear-gradient(135deg, var(--danger-color), var(--danger-light));
}

.budget-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.budget-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.budget-actions .btn {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}