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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 28px;
    margin: 0;
}

.tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
}

.tab-btn {
    flex: 1;
    padding: 15px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
    color: #6c757d;
}

.tab-btn:hover {
    background: #e9ecef;
}

.tab-btn.active {
    background: white;
    color: #667eea;
    border-bottom: 3px solid #667eea;
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 22px;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-secondary {
    background: #6c757d;
    color: white;
    padding: 8px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    margin: 5px;
}

.btn-danger {
    background: #dc3545;
    color: white;
    padding: 8px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.process-item, .company-item {
    background: #f8f9fa;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s;
}

.process-item:hover, .company-item:hover {
    transform: translateX(5px);
}

.process-info, .company-info {
    flex: 1;
}

.process-info h3, .company-info h3 {
    margin-bottom: 5px;
    color: #333;
}

.process-info p, .company-info p {
    color: #666;
    font-size: 14px;
    margin: 3px 0;
}

.process-actions, .company-actions {
    display: flex;
    gap: 10px;
}

.expense-item {
    background: #f8f9fa;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.expense-info {
    flex: 1;
}

.expense-info p {
    margin: 5px 0;
}

.receipt-link {
    color: #667eea;
    text-decoration: none;
}

.receipt-link:hover {
    text-decoration: underline;
}

.summary-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.stat-item {
    background: rgba(255,255,255,0.95);
    padding: 20px;
    border-radius: 10px;
    color: #333;
}

.stat-item h4 {
    margin-bottom: 15px;
    color: #667eea;
    font-size: 18px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.stat-label {
    font-weight: 500;
}

.stat-value {
    font-weight: bold;
}

.difference-positive {
    color: #dc3545;
    font-weight: bold;
}

.difference-negative {
    color: #28a745;
    font-weight: bold;
}

.warning-badge {
    background: #ffc107;
    color: #856404;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    margin-left: 10px;
}

.alert {
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 15px;
}

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

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

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

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 20px;
    width: 90%;
    max-width: 800px;
    border-radius: 10px;
    animation: slideDown 0.3s;
    max-height: 80%;
    overflow-y: auto;
}

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

.close {
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #aaa;
}

.close:hover {
    color: #000;
}

.table-expenses {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.table-expenses th,
.table-expenses td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table-expenses th {
    background: #f8f9fa;
    font-weight: 600;
}

/* Loading spinner */
.loading {
    text-align: center;
    padding: 20px;
    color: #666;
}

.loading::after {
    content: "...";
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% { content: "."; }
    40% { content: ".."; }
    60%, 100% { content: "..."; }
}

/* Responsividade */
@media (max-width: 768px) {
    .tabs {
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .process-item, .company-item {
        flex-direction: column;
        text-align: center;
    }
    
    .process-actions, .company-actions {
        margin-top: 10px;
    }

    .summary-stats {
        grid-template-columns: 1fr;
    }
    
    .table-expenses {
        font-size: 12px;
    }
    
    .table-expenses th,
    .table-expenses td {
        padding: 5px;
    }
}