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

:root {
    /* Light Mode Colors */
    --primary-blue: #2563eb;
    --secondary-blue: #1e40af;
    --primary-red: #e11d48;
    --secondary-red: #be123c;
    --light-blue: #e0e7ff;
    --very-light-blue: #f0f6ff;
    --accent-blue: #60a5fa;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --background: #ffffff;
    --card-bg: #ffffff;
    --border-color: #e1e8ed;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --positive-color: #2563eb;
    --negative-color: #e11d48;
}

/* Dark Mode Colors */
.dark-mode {
    --primary-blue: #1e40af;
    --secondary-blue: #2563eb;
    --primary-red: #be123c;
    --secondary-red: #e11d48;
    --light-blue: #1e293b;
    --very-light-blue: #0f172a;
    --accent-blue: #60a5fa;
    --text-dark: #f1f5f9;
    --text-light: #94a3b8;
    --background: #1a1a1a;
    --card-bg: #2d2d2d;
    --border-color: #404040;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    --positive-color: #2563eb;
    --negative-color: #e11d48;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--text-dark);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-red));
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo i {
    font-size: 1.8rem;
}

.header-controls {
    display: flex;
    gap: 0.5rem;
}

.language-toggle, .theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: background-color 0.3s ease;
}

.language-toggle:hover, .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Navigation Styles */
.nav {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0;
    position: sticky;
    top: 70px;
    z-index: 99;
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
}

.nav-item {
    background: none;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: fit-content;
}

.nav-item:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.nav-item.active {
    background: var(--primary-blue);
    color: white;
}

.nav-item i {
    font-size: 1.1rem;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.page-header {
    margin-bottom: 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

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

.summary-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(37,99,235,0.10), 0 2px 8px rgba(225,29,72,0.08);
}

.card-icon {
    background: var(--light-blue);
    color: var(--primary-blue);
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.card-content h3 {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.amount {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
}

.amount.positive {
    color: var(--primary-blue);
}

.amount.negative {
    color: var(--primary-red);
}

/* Chart Section */
.chart-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.chart-section h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* Recent Transactions */
.recent-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.recent-section h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.transactions-list {
    max-height: 400px;
    overflow-y: auto;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.transaction-item:hover {
    background: var(--very-light-blue);
}

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

.transaction-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex-grow: 1;
}

.transaction-title {
    font-weight: 600;
    color: var(--text-dark);
}

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

.transaction-amount {
    font-weight: 700;
    font-size: 1.1rem;
}

.transaction-amount.donation {
    color: var(--primary-blue);
}

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

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Form Styles */
.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.form {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--background);
    color: var(--text-dark);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

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

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 2rem;
}

/* Button Styles */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-red));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(90deg, var(--secondary-blue), var(--secondary-red));
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--text-dark);
    transform: translateY(-1px);
}

/* Reports Page Styles */
.filters-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-dark);
}

.report-summary {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.summary-item span {
    display: block;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.summary-item strong {
    font-size: 1.5rem;
    color: var(--text-dark);
}

.transactions-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.transactions-section h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.table-container {
    overflow-x: auto;
}

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

.transactions-table th,
.transactions-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.transactions-table th {
    background: var(--light-blue);
    color: var(--primary-blue);
    font-weight: 600;
}

.transactions-table tr:hover {
    background: var(--very-light-blue);
}

.transactions-table .baki-row {
    background-color: var(--light-blue);
    font-weight: 600;
}

.transactions-table .baki-row td:first-child {
    color: var(--primary-blue);
}

.transactions-table tfoot tr {
    background-color: var(--very-light-blue);
    font-weight: 600;
}

.transactions-table tfoot td {
    border-bottom: none;
}

.transactions-table .empty-state {
    text-align: center;
    padding: 2rem;
}

.transactions-table .empty-state td {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

.transactions-table .transaction-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

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

.btn-icon {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.btn-icon:hover {
    color: var(--primary-blue);
}

/* Message Container */
.message-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.message {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-blue);
    animation: slideIn 0.3s ease;
}

.message.success {
    border-left-color: var(--positive-color);
}

.message.error {
    border-left-color: var(--negative-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        padding: 0 0.5rem;
    }
    
    .logo span {
        display: none;
    }
    
    .nav-content {
        padding: 0 0.5rem;
    }
    
    .nav-item span {
        display: none;
    }
    
    .nav-item {
        padding: 0.75rem;
        justify-content: center;
    }
    
    .main-content {
        padding: 1rem 0.5rem;
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .summary-card {
        padding: 1rem;
    }
    
    .form {
        padding: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .filters-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .report-summary {
        flex-direction: column;
        text-align: center;
    }
    
    .transactions-table th,
    .transactions-table td {
        padding: 0.5rem;
        font-size: 0.9rem;
    }
    
    .page-header h1 {
        font-size: 1.5rem;
    }
    
    .amount {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header-controls {
        gap: 0.25rem;
    }
    
    .language-toggle, .theme-toggle {
        padding: 0.4rem;
    }
    
    .summary-card {
        flex-direction: column;
        text-align: center;
    }
    
    .card-icon {
        margin-bottom: 0.5rem;
    }
}

/* Dark mode overrides for section titles */
.dark-mode .chart-section h2,
.dark-mode .recent-section h2,
.dark-mode .transactions-section h2 {
    color: var(--accent-blue);
}

.dark-mode .page-header h1 {
    color: var(--accent-blue);
}

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

.btn-action {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1rem;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.btn-action.edit:hover {
    color: var(--positive-color);
}

.btn-action.delete:hover {
    color: var(--negative-color);
}

/* Category Management Styles */
.category-list-container {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.category-list-container h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.category-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.category-list-item:hover {
    background: var(--very-light-blue);
}

.category-list-item:last-child {
    border-bottom: none;
}

.dark-mode .category-list-container h2 {
    color: var(--text-dark);
}

/* Bulk Import Styles */
.import-container {
    max-width: 800px;
    margin: 0 auto;
}

.import-instructions {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.import-instructions h2 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.instruction-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    background: var(--primary-blue);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.step-content p, .step-content ul {
    color: var(--text-light);
    line-height: 1.6;
}

.step-content ul {
    margin-left: 1rem;
}

.step-content li {
    margin-bottom: 0.25rem;
}

.template-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    text-align: center;
}

.template-section h2 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.template-section p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.upload-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.upload-section h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.file-upload-container {
    position: relative;
}

.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--very-light-blue);
}

.file-upload-area:hover {
    border-color: var(--primary-blue);
    background: var(--light-blue);
}

.file-upload-area i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.file-upload-area p {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.file-upload-area span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--light-blue);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.file-info i {
    color: var(--primary-blue);
    font-size: 1.2rem;
}

.file-info span {
    flex: 1;
    font-weight: 500;
}

.btn-remove {
    background: var(--negative-color);
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-remove:hover {
    background: #c0392b;
}

.import-options {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.import-options h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.option-group {
    margin-bottom: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    color: var(--text-dark);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    margin-top: 0.1rem;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.8rem;
    font-weight: bold;
}

.import-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.preview-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.preview-section h2 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.preview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--very-light-blue);
    border-radius: 8px;
}

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

.stat-item span {
    display: block;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.stat-item strong {
    color: var(--primary-blue);
    font-size: 1.1rem;
}

.preview-table-container {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.preview-table th,
.preview-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.preview-table th {
    background: var(--light-blue);
    color: var(--primary-blue);
    font-weight: 600;
}

.preview-table tr:hover {
    background: var(--very-light-blue);
}

.status-valid {
    color: var(--positive-color);
    font-weight: 500;
}

.status-invalid {
    color: var(--negative-color);
    font-weight: 500;
}

.status-warning {
    color: #f39c12;
    font-weight: 500;
}

/* Responsive Design for Import Page */
@media (max-width: 768px) {
    .import-container {
        padding: 0;
    }
    
    .instruction-steps {
        gap: 1rem;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        align-self: center;
    }
    
    .file-upload-area {
        padding: 2rem 1rem;
    }
    
    .file-upload-area i {
        font-size: 2rem;
    }
    
    .import-actions {
        flex-direction: column;
    }
    
    .preview-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .preview-table {
        font-size: 0.8rem;
    }
    
    .preview-table th,
    .preview-table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .preview-stats {
        grid-template-columns: 1fr;
    }
    
    .file-upload-area p {
        font-size: 1rem;
    }
    
    .file-upload-area span {
        font-size: 0.8rem;
    }
}

/* Settings Page Styles */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
}

.danger-zone {
    background: var(--card-bg);
    border: 2px solid var(--negative-color);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.danger-zone h2 {
    color: var(--negative-color);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.danger-zone > p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.reset-container {
    border-top: 1px solid var(--border-color);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
}

.reset-container p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

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

.btn-danger:hover {
    background-color: #c0392b; /* A darker red */
}

.auth-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: background-color 0.3s ease;
}

.auth-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Modal Styles */
.modal {
    display: flex;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow: auto;
    background: rgba(0,0,0,0.4);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--card-bg);
    margin: auto;
    padding: 2.5rem 2.5rem 2rem 2.5rem;
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.18);
    min-width: 320px;
    max-width: 380px;
    width: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.modal-content h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.1rem;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.3rem;
    display: block;
}

.form-group input {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    background: #f9fafb;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: 2px solid #2563eb;
    border-color: #2563eb;
    background: #fff;
}

.form-actions {
    margin-top: 0.5rem;
}

.btn.btn-primary {
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-red));
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.8rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(33,81,27,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn.btn-primary:hover {
    background: linear-gradient(90deg, var(--secondary-blue), var(--secondary-red));
}

.btn.btn-secondary {
    background: none;
    color: #2563eb;
    border: none;
    font-size: 1rem;
    text-decoration: underline;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: color 0.2s;
}

.btn.btn-secondary:hover {
    color: #174ea6;
    text-decoration: underline;
}

#login-error, #register-error {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.close {
    color: var(--text-light);
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

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

@media (max-width: 480px) {
    .modal-content {
        padding: 1rem 0.5rem;
        min-width: 90vw;
    }
}