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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navbar */
.navbar {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    max-height: 40px;
    max-width: 150px;
    object-fit: contain;
    vertical-align: middle;
}

.logo span {
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-success {
    background: #27ae60;
    color: white;
}

.btn-success:hover {
    background: #229954;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

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

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

/* Forms */
.form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Auth */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.auth-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.auth-box h1 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.auth-link {
    text-align: center;
    margin-top: 1rem;
}

.auth-link a {
    color: #3498db;
    text-decoration: none;
}

/* Onboarding */
.onboarding-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.onboarding-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    max-width: 600px;
    width: 100%;
}

.onboarding-box h1 {
    text-align: center;
    margin-bottom: 1rem;
}

.onboarding-box p {
    text-align: center;
    margin-bottom: 2rem;
}

.onboarding-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.option-card {
    display: block;
    cursor: pointer;
}

.option-card input[type="radio"] {
    display: none;
}

.card-content {
    border: 2px solid #ddd;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s;
}

.option-card input[type="radio"]:checked + .card-content {
    border-color: #3498db;
    background: #ebf5fb;
}

.card-content h3 {
    margin-bottom: 0.5rem;
}

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

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-card h3 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
}

.stat-card.income .stat-value {
    color: #27ae60;
}

.stat-card.expense .stat-value {
    color: #e74c3c;
}

.stat-card.variable .stat-value {
    color: #f39c12;
}

.stat-card.balance.positive .stat-value {
    color: #27ae60;
}

.stat-card.balance.negative .stat-value {
    color: #e74c3c;
}

/* Tables */
.data-table {
    width: 100%;
    background: white;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.data-table thead {
    background: #2c3e50;
    color: white;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
}

.data-table tbody tr {
    border-bottom: 1px solid #eee;
}

.data-table tbody tr:hover {
    background: #f9f9f9;
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge.paid {
    background: #d4edda;
    color: #155724;
}

.badge.unpaid {
    background: #f8d7da;
    color: #721c24;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    margin: 0;
}

/* Sections */
.section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.section h2 {
    margin-bottom: 1rem;
}

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

.list {
    list-style: none;
}

.list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

/* Settings */
.settings-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.settings-section h2 {
    margin-bottom: 1.5rem;
}

.settings-section hr {
    margin: 2rem 0;
    border: none;
    border-top: 1px solid #eee;
}

.settings-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    margin-bottom: 1.5rem;
}

.settings-card {
    background: #f8f9fa;
    border: 1px solid #e1e5eb;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.cta-wrapper {
    margin: -0.5rem 0 1.5rem;
}

.cta-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.cta-card {
    background: white;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 6px 16px rgba(44, 62, 80, 0.12);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    min-width: 240px;
    flex: 1 1 260px;
}

.cta-card h2 {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

.cta-card p {
    color: #555;
    font-size: 0.95rem;
}

.cta-card.training-card {
    border-left: 4px solid #3498db;
}

.cta-card.support-card {
    border-left: 4px solid #27ae60;
}

/* Reports */
.report-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.report-card {
    background: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.report-card h3 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.report-value {
    font-size: 1.8rem;
    font-weight: bold;
}

.report-card.balance.positive .report-value {
    color: #27ae60;
}

.report-card.balance.negative .report-value {
    color: #e74c3c;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

/* Error Page */
.error-container {
    text-align: center;
    padding: 4rem 2rem;
}

.error-container h1 {
    font-size: 6rem;
    color: #e74c3c;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .stats-grid,
    .report-grid {
        grid-template-columns: 1fr;
    }
}