:root {
    --primary: #2c3e50;
    --secondary: #e74c3c;
    --accent: #3498db;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --success: #27ae60;
    --warning: #f39c12;
    --error: #c0392b;
    --gray: #95a5a6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: var(--dark);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

header {
    background: linear-gradient(to right, var(--primary), var(--accent));
    color: white;
    padding: 25px;
    text-align: center;
}

.logo {
    font-size: 24px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo i {
    margin-right: 10px;
    color: var(--light);
}

h1 {
    font-size: 22px;
    margin-bottom: 10px;
}

.form-container {
    padding: 30px;
}

h2 {
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light);
}

.form-group {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
    align-items: center;
    gap: 15px;
}

.hidden {
    display: none;
}

.advertencia {
    color: rgb(209, 41, 41);
    font-size: 14px;
    margin: 10px 0;
    padding-left: 20px;
}

.form-group label {
    flex: 1;
    min-width: 250px;
}

.form-group .input-container {
    flex: 2;
    min-width: 300px;
}

input, select, textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: all 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    outline: none;
}

fieldset {
    border: 2px solid var(--accent);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 25px;
}

legend {
    font-weight: 700;
    text-transform: uppercase;  
    color: var(--accent);
    padding: 0 15px;
    font-size: 18px;
}

legend span {
    text-transform: lowercase;  
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

button {
    padding: 15px 25px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-delete {
    background: linear-gradient(to right, #e74c3c, #c0392b);
    color: white;
}

.btn-delete:hover {
    background: linear-gradient(to right, #c0392b, #a93226);
    transform: translateY(-2px);
}

.btn-save {
    background: linear-gradient(to right, var(--success), #219653);
    color: white;
}

.btn-save:hover {
    background: linear-gradient(to right, #219653, #1e8449);
    transform: translateY(-2px);
}

.required::after {
    content: " *";
    color: var(--error);
}

.notification {
    padding: 15px;
    margin: 20px 0;
    border-radius: 6px;
    text-align: center;
    display: none;
}

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

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

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

.text-ley {
    color: #3498db;
}

/* Estilos para la sección de personas involucradas */
.personas-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.personas-form label {
    display: block;
    margin-bottom: 5px;
}

.personas-form .full-width {
    grid-column: span 2;
}

.personas-form button {
    grid-column: span 2;
    margin-top: 10px;
}

/* ===== ESTILOS COMPARTIDOS PARA TABLAS ===== */
#tablaPersonas,
#tablaArchivos {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

#tablaPersonas th, #tablaPersonas td,
#tablaArchivos th, #tablaArchivos td {
    padding: 10px;
    border: 1px solid #ddd;
    text-align: left;
}

.delete-btn {
    color: #e74c3c;
    cursor: pointer;
    font-weight: bold;
}

/* Estilos para enlaces de previsualización */
.preview-link {
    color: #3498db;
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid #3498db;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.preview-link:hover {
    background-color: #3498db;
    color: white;
    text-decoration: none;
}

/* Estilos mejorados para checkboxes */
.checkbox-container {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    gap: 12px;
}

.checkbox-container input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    min-width: 20px;
    margin-top: 3px;
    border: 2px solid #ccc;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.checkbox-container input[type="checkbox"]:checked {
    background-color: var(--accent);
    border-color: var(--accent);
}

.checkbox-container input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    color: white;
    font-size: 14px;
    font-weight: bold;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.checkbox-label {
    font-size: 15px;
    line-height: 1.5;
}

/* Estilos para radio buttons */
.radio-group {
    display: flex;
    margin-top: 15px;
    gap: 20px;
}

.radio-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-container input[type="radio"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid #ccc;
    border-radius: 50%;
    outline: none;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.radio-container input[type="radio"]:checked {
    border-color: var(--accent);
}

.radio-container input[type="radio"]:checked::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: var(--accent);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Estilos para file upload */
.file-upload {
    position: relative;
    display: inline-block;
    width: 100%;
}

.file-input {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-label {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    background-color: #f8f9fa;
    border: 2px dashed #ccc;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-label:hover {
    border-color: var(--accent);
    background-color: #e8f4fd;
}

.file-cta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-icon {
    color: var(--accent);
}

.file-name {
    margin-left: 10px;
    color: #666;
    font-style: italic;
}



/* Media queries para responsividad */
@media (max-width: 768px) {
    .form-group label,
    .form-group .input-container {
        flex: 1;
        min-width: 100%;
    }

    .form-container {
        padding: 10px;
    }
    
    .personas-form {
        grid-template-columns: 1fr;
    }
    
    .personas-form .full-width {
        grid-column: span 1;
    }
    
    .personas-form button {
        grid-column: span 1;
    }
    
    .checkbox-container {
        flex-direction: column;
        gap: 8px;
    }

    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .radio-container {
        display: inline;
    }

    legend {
        font-weight: 700;
        text-transform: uppercase;  
        color: var(--accent);
        padding: 0 15px;
        font-size: 14px;
    }

    legend span {
        text-transform: lowercase;  
    }
}