/* style.css - Estilos del importador */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    padding: 20px;
}

.header h1 {
    font-size: 2.8em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.header h1 i {
    margin-right: 15px;
}

.header p {
    font-size: 1.2em;
    opacity: 0.95;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 25px;
    font-size: 1.3em;
    font-weight: 500;
}

.card-header i {
    margin-right: 10px;
}

.card-body {
    padding: 25px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.file-input-wrapper {
    position: relative;
    border: 2px dashed #667eea;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    background: #f8f9fa;
    cursor: pointer;
    transition: all 0.3s;
}

.file-input-wrapper:hover {
    background: #e8f0fe;
    border-color: #764ba2;
}

.file-input-wrapper i {
    font-size: 4em;
    color: #667eea;
    margin-bottom: 15px;
}

.file-input-wrapper p {
    color: #333;
    font-size: 1.2em;
    margin-bottom: 5px;
}

.file-input-wrapper small {
    color: #666;
    font-size: 0.9em;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.checkbox-container {
    display: block;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s;
}

.checkbox-container:hover {
    background: #e9ecef;
    border-color: #667eea;
}

.checkbox-container input {
    margin-right: 10px;
    transform: scale(1.2);
}

.btn {
    padding: 14px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 100%;
    font-size: 1.2em;
    padding: 16px;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.stat-card .number {
    font-size: 2.5em;
    font-weight: bold;
    line-height: 1.2;
}

.stat-card .label {
    font-size: 0.9em;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.progress-container {
    margin: 25px 0;
    display: none;
}

.progress-bar {
    width: 100%;
    height: 30px;
    background: #f0f0f0;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    color: white;
    text-align: center;
    line-height: 30px;
    font-size: 0.9em;
    font-weight: bold;
    transition: width 0.3s;
}

.status-message {
    text-align: center;
    padding: 15px;
    border-radius: 8px;
    font-weight: 500;
    margin: 15px 0;
}

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

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

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

.info-box {
    background: #e7f3ff;
    border-left: 4px solid #17a2b8;
    padding: 15px 20px;
    border-radius: 8px;
    margin: 15px 0;
}

.info-box i {
    color: #17a2b8;
    margin-right: 10px;
}

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

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

.table th {
    background: #f8f9fa;
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: #333;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid #e0e0e0;
}

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

.mt-3 {
    margin-top: 15px;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .header h1 {
        font-size: 2em;
    }
}