* {
    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;
    color: #333;
}

.screen {
    display: none;
}

.screen.active {
    display: block;
}

/* Login Screen */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #667eea;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
}

.btn-secondary {
    background: #6c757d;
    color: white;
    width: auto;
    padding: 8px 16px;
}

.btn-secondary:hover {
    background: #5a6268;
}

.error-message {
    color: #dc3545;
    margin-top: 10px;
    text-align: center;
    display: none;
}

.error-message.show {
    display: block;
}

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

header {
    background: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    color: #667eea;
}

.user-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.user-info span {
    padding: 8px 12px;
    background: #f0f0f0;
    border-radius: 5px;
    font-size: 14px;
}

.upload-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.upload-section h2 {
    margin-bottom: 20px;
    color: #333;
}

.file-upload {
    margin-bottom: 20px;
}

.file-upload input[type="file"] {
    display: none;
}

.file-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border: 2px dashed #667eea;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    background: #f8f9ff;
}

.file-label:hover {
    background: #eef0ff;
    border-color: #5568d3;
}

.file-icon {
    font-size: 24px;
}

.file-text {
    color: #667eea;
    font-weight: 600;
}

.results-section {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.results-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #666;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: #667eea;
}

.tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.results-list {
    max-height: 500px;
    overflow-y: auto;
}

.result-item {
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 5px;
    border-left: 4px solid;
}

.result-item.success {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.result-item.success.paga {
    background: #d4edda;
    border-left: 4px solid #28a745;
    border-color: #28a745;
    color: #155724;
}

.result-item.success.criada {
    background: #fce4ec;
    border-left: 4px solid #e91e63;
    border-color: #e91e63;
    color: #880e4f;
}

.result-item.success.atualizada {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    border-color: #ffc107;
    color: #856404;
}

.result-item.success.cancelada {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.result-item.error {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.result-item.historico {
    background: #f0f0f0;
    border-color: #6c757d;
}

.result-item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-weight: 600;
}

.result-item-body {
    font-size: 14px;
    margin-top: 5px;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #667eea;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    animation: slideDown 0.3s;
}

.modal-header {
    padding: 20px;
    border-bottom: 2px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    color: #667eea;
}

.modal-close {
    font-size: 28px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
}

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

.modal-actions .btn {
    width: auto;
}

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

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