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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --dark-bg: #1e293b;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Kanit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
}

/* Auth Container */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-box {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 48px;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.tagline {
    color: var(--text-secondary);
    font-size: 16px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    font-family: 'Kanit', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group small {
    color: var(--text-secondary);
    font-size: 14px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    font-family: 'Kanit', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

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

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

.auth-switch {
    text-align: center;
    margin-top: 10px;
    color: var(--text-secondary);
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Dashboard Container */
.dashboard-container {
    display: flex;
    height: 100vh;
    background: #f8fafc;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--dark-bg);
    color: white;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.sidebar-header {
    padding: 30px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header .logo {
    justify-content: flex-start;
}

.sidebar-header .logo i {
    color: white;
    font-size: 32px;
}

.sidebar-header .logo span {
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.nav-menu {
    list-style: none;
    padding: 20px 0;
    flex: 1;
    overflow-y: auto;
}

.nav-item {
    padding: 15px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.7);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: var(--primary-color);
    color: white;
    border-right: 4px solid white;
}

.nav-item i {
    font-size: 20px;
    width: 24px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.user-info i {
    font-size: 32px;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    overflow: hidden;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    width: 100%;
    padding: 12px;
    background: rgba(239, 68, 68, 0.2);
    color: white;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'Kanit', sans-serif;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-logout:hover {
    background: var(--danger-color);
}

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

.top-bar {
    background: white;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.breadcrumb h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 10px;
}

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

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

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

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

.income-card .stat-icon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.expense-card .stat-icon {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.savings-card .stat-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.stat-info {
    flex: 1;
}

.stat-info h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-value.income {
    color: var(--success-color);
}

.stat-value.expense {
    color: var(--danger-color);
}

.stat-value.savings {
    color: var(--warning-color);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.year-select,
.period-select,
.filter-select {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Kanit', sans-serif;
    cursor: pointer;
}

/* Card */
.card {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.view-all {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.view-all:hover {
    text-decoration: underline;
}

/* Transactions List */
.transactions-list {
    padding: 20px 25px;
}

.transaction-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.transaction-item:hover {
    background: #f8fafc;
}

.transaction-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.transaction-details {
    flex: 1;
}

.transaction-category {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 3px;
}

.transaction-description {
    font-size: 14px;
    color: var(--text-secondary);
}

.transaction-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.transaction-amount {
    font-size: 18px;
    font-weight: 700;
}

.transaction-amount.income {
    color: var(--success-color);
}

.transaction-amount.expense {
    color: var(--danger-color);
}

.transaction-amount.savings {
    color: var(--warning-color);
}

.transaction-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: all 0.3s ease;
}

.transaction-item:hover .transaction-actions {
    opacity: 1;
}

.action-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.action-btn.edit {
    background: #dbeafe;
    color: var(--info-color);
}

.action-btn.delete {
    background: #fee2e2;
    color: var(--danger-color);
}

.action-btn:hover {
    transform: scale(1.1);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 15px;
    opacity: 0.3;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.categories-list {
    padding: 20px;
}

.category-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 10px;
    background: #f8fafc;
}

.category-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.category-name {
    flex: 1;
    font-weight: 600;
    color: var(--text-primary);
}

/* Savings Grid */
.savings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.savings-goal-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.savings-goal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.savings-goal-name {
    font-size: 18px;
    font-weight: 600;
}

.savings-goal-status {
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 12px;
}

.savings-progress {
    margin: 15px 0;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: white;
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.savings-goal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.savings-goal-actions {
    display: flex;
    gap: 8px;
}

.savings-goal-actions button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.savings-goal-actions button:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Filter Controls */
.filter-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.filter-input {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Kanit', sans-serif;
}

/* Report Controls */
.report-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.report-summary {
    margin-top: 30px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 10px;
}

.export-buttons {
    display: flex;
    gap: 10px;
}

/* Settings Form */
.settings-form {
    padding: 25px;
}

.settings-form .form-group {
    margin-bottom: 25px;
}

/* Modal */
.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;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

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

.modal-content {
    background: white;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-content.modal-small {
    max-width: 450px;
}

.modal-header {
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: #f8fafc;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--danger-color);
    color: white;
}

.modal form {
    padding: 25px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* Type Tabs */
.type-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.type-tab {
    padding: 12px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'Kanit', sans-serif;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.type-tab:hover {
    border-color: var(--primary-color);
}

.type-tab.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.type-tab i {
    font-size: 20px;
}

/* Icon and Color Pickers */
.icon-picker,
.color-picker {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
}

.icon-option,
.color-option {
    width: 50px;
    height: 50px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
}

.icon-option:hover,
.color-option:hover {
    transform: scale(1.1);
}

.icon-option.active,
.color-option.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.color-option {
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--border-color);
}

.color-option.active {
    box-shadow: 0 0 0 3px var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: auto;
    }
    
    .nav-menu {
        display: flex;
        overflow-x: auto;
        padding: 10px;
    }
    
    .nav-item {
        flex-direction: column;
        padding: 10px 15px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .type-tabs {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .top-bar {
        flex-direction: column;
        gap: 15px;
    }
    
    .filter-controls {
        flex-wrap: wrap;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success/Error Messages */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

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