/* style.css - Improved Version */
:root {
    /* Light Theme Colors */
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #6366f1;
    --primary-bg: #eef2ff;
    
    --income-color: #10b981;
    --income-light: #34d399;
    --income-dark: #059669;
    --income-bg: #ecfdf5;
    
    --expense-color: #ef4444;
    --expense-light: #f87171;
    --expense-dark: #dc2626;
    --expense-bg: #fef2f2;
    
    --warning-color: #f59e0b;
    --warning-light: #fbbf24;
    --warning-dark: #d97706;
    --warning-bg: #fffbeb;
    
    --light-bg: #f8fafc;
    --light-bg-secondary: #f1f5f9;
    --dark-text: #1e293b;
    --dark-text-secondary: #334155;
    --light-text: #64748b;
    --light-text-secondary: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --white: #ffffff;
    
    /* Shadow & Effects */
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    
    /* Border Radius */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
}

/* Dark Theme */
[data-theme="dark"] {
    --light-bg: #0f172a;
    --light-bg-secondary: #1e293b;
    --dark-text: #f1f5f9;
    --dark-text-secondary: #cbd5e1;
    --light-text: #94a3b8;
    --light-text-secondary: #64748b;
    --border-color: #334155;
    --border-light: #1e293b;
    --white: #1e293b;
    
    --primary-bg: #1e1b4b;
    --income-bg: #064e3b;
    --expense-bg: #7f1d1d;
    --warning-bg: #78350f;
    
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --card-shadow: 0 0 0 2px currentColor;
        --card-shadow-hover: 0 0 0 3px currentColor;
    }
    
    .card {
        border-width: 2px;
        border-style: solid;
    }
    
    .income-card {
        border-color: var(--income-color);
    }
    
    .expense-card {
        border-color: var(--expense-color);
    }
    
    .balance-card {
        border-color: var(--primary-color);
    }
    
    .saving-goal-card {
        border-width: 2px;
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--light-bg-secondary) 100%);
    color: var(--dark-text);
    line-height: 1.6;
    min-height: 100vh;
    font-size: 1rem;
    font-weight: 400;
    transition: var(--transition-slow);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
    min-height: 100vh;
}

/* Header */
header {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--card-shadow);
    margin-bottom: var(--space-2xl);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
    transition: var(--transition);
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--income-color), var(--expense-color));
}

.header-content {
    flex: 1;
}

header h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    font-weight: 700;
    line-height: 1.2;
}

header p {
    color: var(--light-text);
    font-size: 1.2rem;
    max-width: 500px;
    font-weight: 400;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.current-date {
    background: var(--primary-bg);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    color: var(--primary-dark);
    border: 2px solid var(--primary-color);
    text-align: center;
    min-width: 200px;
    transition: var(--transition);
}

.current-date::before {
    content: '📅 ';
    margin-right: var(--space-sm);
}

.theme-toggle {
    background: var(--primary-bg);
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
}

.theme-toggle:hover {
    background: var(--primary-color);
    transform: scale(1.05);
}

.theme-toggle:hover .theme-icon {
    filter: brightness(0) invert(1);
}

.theme-icon {
    font-size: 1.2rem;
    transition: var(--transition);
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

/* Sections Common Styles */
.input-section, 
.summary-section, 
.transactions-section,
.savings-section {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.input-section:hover, 
.summary-section:hover, 
.transactions-section:hover,
.savings-section:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.input-section h2, 
.summary-section h2, 
.transactions-section h2,
.savings-section h2 {
    margin-bottom: var(--space-xl);
    color: var(--dark-text);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--space-md);
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--space-xl);
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--dark-text-secondary);
    font-size: 0.95rem;
}

input, select, textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark-text);
    font-family: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    transform: translateY(-1px);
}

input::placeholder {
    color: var(--light-text-secondary);
}

/* Error States */
input:invalid, select:invalid, textarea:invalid {
    border-color: var(--expense-color);
}

input:valid, select:valid, textarea:valid {
    border-color: var(--income-color);
}

.error-message {
    color: var(--expense-color);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.error-message::before {
    content: '⚠️';
}

/* Amount Input with Currency Symbol */
.amount-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 16px;
    color: var(--light-text);
    font-weight: 600;
    z-index: 2;
}

.amount-input-container input {
    padding-left: 45px;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    border: none;
    padding: 16px 24px;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    transform: translateY(-2px);
}

.btn-primary:hover:not(:disabled)::before {
    left: 100%;
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    background: var(--light-text-secondary);
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--light-bg);
    color: var(--dark-text);
    border: 2px solid var(--border-color);
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--light-bg-secondary);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-icon {
    font-size: 1.1rem;
}

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.card {
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.income-card {
    background: linear-gradient(135deg, var(--income-bg), rgba(16, 185, 129, 0.05));
    border-left: 4px solid var(--income-color);
}

.income-card::before {
    background: linear-gradient(90deg, var(--income-color), var(--income-light));
}

.expense-card {
    background: linear-gradient(135deg, var(--expense-bg), rgba(239, 68, 68, 0.05));
    border-left: 4px solid var(--expense-color);
}

.expense-card::before {
    background: linear-gradient(90deg, var(--expense-color), var(--expense-light));
}

.balance-card {
    background: linear-gradient(135deg, var(--primary-bg), rgba(79, 70, 229, 0.05));
    border-left: 4px solid var(--primary-color);
}

.balance-card::before {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.card h3 {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: var(--space-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card p {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.income-card p {
    color: var(--income-dark);
}

.expense-card p {
    color: var(--expense-dark);
}

.balance-card p {
    color: var(--primary-dark);
}

.card-trend {
    font-size: 0.8rem;
    margin-top: var(--space-sm);
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 12px;
}

.income-card .card-trend {
    background: var(--income-bg);
    color: var(--income-dark);
}

.expense-card .card-trend {
    background: var(--expense-bg);
    color: var(--expense-dark);
}

.balance-card .card-trend {
    background: var(--primary-bg);
    color: var(--primary-dark);
}

/* Chart Container */
.chart-container {
    height: 280px;
    margin: var(--space-xl) 0;
    position: relative;
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

/* Quick Stats */
.quick-stats {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 2px solid var(--border-color);
}

.quick-stats h3 {
    margin-bottom: var(--space-lg);
    color: var(--dark-text);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.stat-item {
    background: var(--light-bg);
    padding: var(--space-md);
    border-radius: var(--border-radius-sm);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--light-text);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.stat-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-text);
}

/* Savings Section Styles */
.savings-section {
    margin-top: var(--space-xl);
}

.savings-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.savings-goals {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.saving-goal-card {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.saving-goal-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--primary-color);
}

.saving-goal-card.achieved {
    border-color: var(--income-color);
    background: linear-gradient(135deg, var(--income-bg), rgba(16, 185, 129, 0.1));
}

.saving-goal-card.overdue {
    border-color: var(--expense-color);
    background: linear-gradient(135deg, var(--expense-bg), rgba(239, 68, 68, 0.1));
}

.saving-goal-card.warning {
    border-color: var(--warning-color);
    background: linear-gradient(135deg, var(--warning-bg), rgba(245, 158, 11, 0.1));
}

.goal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.goal-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: var(--space-xs);
}

.goal-category {
    padding: 4px 8px;
    background: var(--primary-bg);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--primary-dark);
    font-weight: 500;
}

.goal-progress {
    margin: var(--space-lg) 0;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
}

.progress-amount {
    font-weight: 700;
    color: var(--dark-text);
}

.progress-percentage {
    font-weight: 600;
    color: var(--primary-color);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.progress-fill.achieved {
    background: linear-gradient(90deg, var(--income-color), var(--income-light));
}

.progress-fill.warning {
    background: linear-gradient(90deg, var(--warning-color), var(--warning-light));
}

.goal-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--light-text);
    margin-bottom: var(--space-lg);
}

.goal-deadline {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.deadline-warning {
    color: var(--expense-color);
    font-weight: 600;
}

.deadline-info {
    color: var(--warning-color);
    font-weight: 600;
}

.goal-notes {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--light-bg-secondary);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--primary-color);
}

.goal-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: space-between;
}

.goal-btn {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.btn-save {
    background: var(--income-bg);
    color: var(--income-dark);
    border: 1px solid var(--income-color);
}

.btn-save:hover {
    background: var(--income-color);
    color: white;
}

.btn-history {
    background: var(--light-bg);
    color: var(--light-text);
    border: 1px solid var(--border-color);
}

.btn-history:hover {
    background: var(--primary-bg);
    color: var(--primary-dark);
    border-color: var(--primary-color);
}

.btn-edit {
    background: var(--primary-bg);
    color: var(--primary-dark);
    border: 1px solid var(--primary-color);
}

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

.btn-delete {
    background: var(--expense-bg);
    color: var(--expense-dark);
    border: 1px solid var(--expense-color);
}

.btn-delete:hover {
    background: var(--expense-color);
    color: white;
}

/* Quick Save Section */
.quick-save {
    background: var(--light-bg);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.quick-save h3 {
    margin-bottom: var(--space-lg);
    color: var(--dark-text);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.quick-save-form {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-md);
    align-items: end;
}

/* Transactions Section */
.transactions-section {
    margin-top: var(--space-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.export-controls {
    display: flex;
    gap: var(--space-sm);
}

/* Filters */
.filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.filter-group, .search-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-group label {
    margin-bottom: 0;
    white-space: nowrap;
}

.search-group input {
    min-width: 250px;
}

/* Transactions Header */
.transactions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--light-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.sort-options select {
    width: auto;
    min-width: 150px;
}

/* Transactions List */
.transactions-list {
    max-height: 600px;
    overflow-y: auto;
    border-radius: var(--border-radius);
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--light-text);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
}

.empty-state h3 {
    color: var(--light-text);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.empty-state p {
    color: var(--light-text-secondary);
    margin-bottom: var(--space-lg);
}

.empty-state .btn-primary {
    width: auto;
    display: inline-block;
    padding: 12px 24px;
}

/* Custom Scrollbar */
.transactions-list::-webkit-scrollbar {
    width: 8px;
}

.transactions-list::-webkit-scrollbar-track {
    background: var(--light-bg-secondary);
    border-radius: 4px;
}

.transactions-list::-webkit-scrollbar-thumb {
    background: var(--light-text-secondary);
    border-radius: 4px;
}

.transactions-list::-webkit-scrollbar-thumb:hover {
    background: var(--light-text);
}

/* Transaction Items */
.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    background: var(--white);
    margin: var(--space-sm);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s ease-out;
}

.transaction-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.transaction-item:hover {
    background: var(--light-bg);
    transform: translateX(5px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.08);
}

.transaction-info {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.transaction-description {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--dark-text);
    font-size: 1.05rem;
}

.transaction-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.85rem;
}

.transaction-category {
    padding: 4px 12px;
    background: var(--light-bg-secondary);
    border-radius: 20px;
    color: var(--light-text);
    font-weight: 500;
    text-transform: capitalize;
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
}

.transaction-date {
    color: var(--light-text);
    font-size: 0.8rem;
}

.transaction-amount {
    font-weight: 700;
    font-size: 1.2rem;
    margin-right: var(--space-md);
    min-width: 140px;
    text-align: right;
}

.income {
    color: var(--income-color);
}

.expense {
    color: var(--expense-color);
}

/* Delete Button */
.delete-btn {
    background: none;
    border: none;
    color: var(--light-text-secondary);
    cursor: pointer;
    font-size: 1.4rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--expense-color);
    transform: scale(1.1);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal.show {
    display: block;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--card-shadow-hover);
    animation: modalSlideIn 0.3s ease-out;
    transition: var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl);
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--white);
    z-index: 1;
}

.modal-header h3 {
    margin: 0;
    color: var(--dark-text);
}

.close-modal {
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--light-text);
    transition: var(--transition);
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-modal:hover {
    background: var(--light-bg);
    color: var(--expense-color);
}

.modal-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    position: sticky;
    bottom: 0;
    background: var(--white);
    padding: var(--space-xl);
    margin-top: 0;
}

/* Savings History */
.savings-history {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--space-md);
}

.saving-record {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.saving-record:hover {
    background: var(--light-bg);
}

.saving-record:last-child {
    border-bottom: none;
}

.saving-record-info {
    display: flex;
    flex-direction: column;
}

.saving-record-amount {
    font-weight: 700;
    color: var(--income-color);
}

.saving-record-date {
    font-size: 0.8rem;
    color: var(--light-text);
}

.saving-record-notes {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-top: 2px;
}

.total-saved {
    padding: var(--space-md);
    background: var(--income-bg);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--space-md);
    font-weight: 600;
    text-align: center;
    border: 1px solid var(--income-color);
}

.empty-message {
    text-align: center;
    color: var(--light-text);
    padding: var(--space-xl);
    font-style: italic;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--light-bg);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-md);
}

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

.loading-text {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Notification Styles */
#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    background: var(--white);
    padding: 16px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow-hover);
    border-left: 4px solid var(--primary-color);
    min-width: 300px;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left-color: var(--income-color);
}

.notification.error {
    border-left-color: var(--expense-color);
}

.notification.info {
    border-left-color: var(--primary-color);
}

.notification.warning {
    border-left-color: var(--warning-color);
}

.notification-icon {
    font-size: 1.2rem;
}

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--dark-text);
}

.notification-message {
    font-size: 0.9rem;
    color: var(--light-text);
}

.notification-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.notification .btn-secondary {
    padding: 4px 8px;
    font-size: 0.8rem;
}

/* Achievement Badge */
.achievement-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--income-color);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

/* Animation Keyframes */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Apply animations */
.input-section,
.summary-section,
.transactions-section,
.savings-section {
    animation: slideIn 0.6s ease-out;
}

.card {
    animation: fadeIn 0.4s ease-out;
}

/* Focus styles for accessibility */
input:focus-visible,
select:focus-visible,
button:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Form improvements */
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: var(--transition);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

small {
    color: var(--light-text);
    font-size: 0.8rem;
    margin-top: 4px;
    display: block;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: var(--space-md);
    }
    
    .main-content {
        gap: var(--space-xl);
    }
    
    .summary-cards {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .savings-goals {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    header {
        flex-direction: column;
        text-align: center;
    }
    
    .header-controls {
        width: 100%;
        justify-content: center;
        margin-top: var(--space-lg);
    }
    
    .current-date {
        min-width: auto;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: var(--space-sm);
    }
    
    header {
        padding: var(--space-xl);
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .input-section, 
    .summary-section, 
    .transactions-section,
    .savings-section {
        padding: var(--space-xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group, .search-group {
        justify-content: stretch;
    }
    
    .search-group input {
        min-width: auto;
        flex: 1;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .transactions-header {
        flex-direction: column;
        gap: var(--space-md);
        align-items: stretch;
    }
    
    .sort-options select {
        width: 100%;
    }
    
    .transaction-item {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-md);
    }
    
    .transaction-amount {
        margin-right: 0;
        text-align: left;
        min-width: auto;
    }
    
    .chart-container {
        height: 250px;
        padding: var(--space-md);
    }
    
    .quick-save-form {
        grid-template-columns: 1fr;
    }
    
    .goal-actions {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .header-controls {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .theme-toggle {
        width: 100%;
        margin-top: var(--space-sm);
    }
    
    .notification {
        min-width: 250px;
        right: 10px;
        left: 10px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    header {
        padding: var(--space-lg);
    }
    
    header h1 {
        font-size: 1.8rem;
    }
    
    .input-section, 
    .summary-section, 
    .transactions-section,
    .savings-section {
        padding: var(--space-lg);
    }
    
    .card {
        padding: var(--space-lg);
    }
    
    .card p {
        font-size: 1.3rem;
    }
    
    .transaction-item {
        padding: var(--space-md);
    }
    
    .transaction-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .chart-container {
        height: 220px;
    }
    
    .saving-goal-card {
        padding: var(--space-md);
    }
    
    .export-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .export-controls .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .btn-primary,
    .btn-secondary,
    .delete-btn,
    .filters,
    .export-controls,
    .sort-options,
    .goal-actions,
    .theme-toggle {
        display: none !important;
    }
    
    .input-section,
    .quick-save,
    .savings-section .section-header button {
        display: none !important;
    }
    
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    body {
        background: white;
    }
    
    .input-section, 
    .summary-section, 
    .transactions-section,
    .savings-section {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .transactions-list {
        max-height: none;
        overflow: visible;
    }
    
    .chart-container {
        break-inside: avoid;
    }
}