/* ============================================
   ESTILOS PARA EL FORMULARIO DE COMPROBANTES
   ============================================ */

.wc-comprobantes-form-wrapper {
    max-width: 600px;
    margin: 20px 0;
    padding: 30px;
    background: #fff;
    border: 1px solid #e1e1e1;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.wc-comprobantes-form-wrapper h3 {
    margin-top: 0;
    margin-bottom: 25px;
    color: #333;
    font-size: 26px;
    font-weight: 700;
    text-align: center;
    border-bottom: 3px solid #0073aa;
    padding-bottom: 15px;
    position: relative;
}

.wc-comprobantes-form-wrapper h3:after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(45deg, #0073aa, #005177);
    border-radius: 2px;
}

/* ============================================
   GRUPOS DE FORMULARIO
   ============================================ */

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 15px;
    position: relative;
}

.form-group label:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: #0073aa;
    transition: width 0.3s ease;
}

.form-group:focus-within label:after {
    width: 30px;
}

.form-group input[type="number"],
.form-group input[type="email"],
.form-group input[type="text"],
.form-group input[type="file"],
.form-group textarea {
    width: 100%;
    padding: 15px 18px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background: #fafafa;
    font-family: inherit;
}

.form-group input[type="number"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="text"]:focus,
.form-group input[type="file"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0073aa;
    background: #fff;
    box-shadow: 0 0 0 4px rgba(0,115,170,0.1);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

.form-group input[type="file"] {
    padding: 15px;
    background: #f9f9f9;
    border-style: dashed;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.form-group input[type="file"]:hover {
    border-color: #0073aa;
    background: #f0f8ff;
}

.form-group input[type="file"].drag-over {
    border-color: #0073aa;
    background: #e6f3ff;
    transform: scale(1.02);
}

.form-group small {
    display: block;
    margin-top: 8px;
    color: #666;
    font-size: 13px;
    font-style: italic;
    line-height: 1.4;
}

/* ============================================
   TEXTO DE AYUDA Y CONTADORES
   ============================================ */

.form-group .help-text {
    color: #999;
    font-size: 12px;
    margin-top: 5px;
    font-style: normal;
}

.form-group .char-counter {
    display: block;
    margin-top: 5px;
    font-size: 11px;
    color: #666;
    text-align: right;
}

/* ============================================
   ESTADOS DE VALIDACIÓN
   ============================================ */

.form-group input.error,
.form-group textarea.error {
    border-color: #dc3545;
    background: #fff5f5;
    box-shadow: 0 0 0 4px rgba(220,53,69,0.1);
}

.form-group input.success,
.form-group textarea.success {
    border-color: #28a745;
    background: #f8fff8;
    box-shadow: 0 0 0 4px rgba(40,167,69,0.1);
}

.field-message {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    font-weight: 500;
}

.field-error {
    color: #dc3545;
}

.field-success {
    color: #28a745;
}

/* ============================================
   BOTÓN DE ENVÍO
   ============================================ */

.btn-submit {
    width: 100%;
    padding: 18px 25px;
    background: linear-gradient(135deg, #0073aa 0%, #005177 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn-submit:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-submit:hover {
    background: linear-gradient(135deg, #005177 0%, #003d5c 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,115,170,0.4);
}

.btn-submit:hover:before {
    left: 100%;
}

.btn-submit:active {
    transform: translateY(-1px);
}

.btn-submit:disabled {
    background: #999;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-submit:disabled:before {
    display: none;
}

/* Loading spinner para botón deshabilitado */
.btn-submit:disabled::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   MENSAJES DE ESTADO
   ============================================ */

.upload-message {
    margin-top: 25px;
    padding: 18px 20px;
    border-radius: 8px;
    font-weight: 500;
    border-left: 5px solid;
    position: relative;
    overflow: hidden;
}

.upload-message:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.3), transparent);
    animation: messageShine 2s infinite;
}

@keyframes messageShine {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

.upload-message.success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border-left-color: #28a745;
}

.upload-message.error {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border-left-color: #dc3545;
}

.upload-message p {
    margin: 0;
    font-size: 15px;
}

/* ============================================
   BARRA DE PROGRESO
   ============================================ */

.upload-progress {
    text-align: center;
    padding: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(45deg, #0073aa, #005177);
    border-radius: 10px;
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.progress-fill:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        45deg,
        rgba(255,255,255,0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255,255,255,0.2) 50%,
        rgba(255,255,255,0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 20px 20px;
    animation: progressStripes 1s linear infinite;
}

@keyframes progressStripes {
    0% { background-position: 0 0; }
    100% { background-position: 20px 0; }
}

.progress-text {
    font-size: 14px;
    color: #666;
    font-weight: 600;
}

/* ============================================
   PREVIEW DEL ARCHIVO
   ============================================ */

.file-preview {
    margin-top: 20px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 1px solid #dee2e6;
    border-radius: 8px;
    border-left: 4px solid #0073aa;
}

.file-info p {
    margin: 8px 0;
    font-size: 14px;
}

.file-name {
    font-weight: 600;
    color: #333;
    word-break: break-word;
}

.file-size {
    color: #666;
}

.file-warning {
    color: #856404;
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 8px 12px;
    border-radius: 4px;
    font-weight: 600;
}

.image-preview {
    margin-top: 15px;
    text-align: center;
}

.image-preview img {
    max-width: 100%;
    max-height: 200px;
    border: 2px solid #ddd;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.image-preview img:hover {
    transform: scale(1.05);
    border-color: #0073aa;
}

.pdf-preview {
    margin-top: 15px;
    text-align: center;
    padding: 20px;
    background: #fff;
    border: 2px dashed #0073aa;
    border-radius: 8px;
    color: #0073aa;
    font-weight: 600;
}

/* ============================================
   ESTILOS PARA EL BACKEND
   ============================================ */

/* Columna de comprobantes en lista de pedidos */
.wp-admin .widefat .column-comprobante {
    width: 100px;
    text-align: center;
}

.wp-admin .column-comprobante img {
    width: 45px;
    height: 45px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid #ddd;
    transition: all 0.3s ease;
    cursor: pointer;
}

.wp-admin .column-comprobante img:hover {
    transform: scale(1.15);
    border-color: #0073aa;
    box-shadow: 0 4px 15px rgba(0,115,170,0.3);
}

.wp-admin .column-comprobante a {
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s ease;
}

.wp-admin .column-comprobante a:hover {
    transform: translateY(-2px);
}

.wp-admin .column-comprobante span {
    font-size: 28px;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.wp-admin .column-comprobante a:hover span {
    transform: scale(1.2);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

/* Icono PDF mejorado */
.pdf-icon {
    display: inline-block;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.pdf-icon:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.pdf-icon svg {
    width: 32px;
    height: 36px;
}

/* Estilos específicos para el backend */
.wp-admin .column-comprobante .pdf-icon svg {
    width: 28px;
    height: 32px;
}

/* Metabox en página del pedido */
.comprobante-info {
    text-align: center;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 8px;
}

.comprobante-preview img {
    max-width: 100%;
    height: auto;
    margin: 15px 0;
    border: 2px solid #ddd;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.comprobante-preview img:hover {
    transform: scale(1.02);
    border-color: #0073aa;
    box-shadow: 0 4px 15px rgba(0,115,170,0.2);
}

.comprobante-download {
    margin: 20px 0;
}

.comprobante-download .button {
    width: 100%;
    text-align: center;
    padding: 12px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.comprobante-download .button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,115,170,0.3);
}

/* Configuraciones en WooCommerce */
.wc-comprobantes-settings {
    background: linear-gradient(135deg, #f8f9fa, #fff);
    padding: 25px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #0073aa;
}

.wc-comprobantes-settings h2 {
    margin-top: 0;
    color: #0073aa;
    font-weight: 700;
}

/* ============================================
   ANIMACIONES Y EFECTOS
   ============================================ */

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.upload-message {
    animation: slideDown 0.4s ease-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.btn-submit:focus {
    animation: pulse 0.6s ease-in-out;
}

/* Shake effect para errores */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake-error {
    animation: shake 0.6s ease-in-out;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .wc-comprobantes-form-wrapper {
        margin: 10px;
        padding: 20px;
        border-radius: 8px;
    }
    
    .wc-comprobantes-form-wrapper h3 {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .form-group input[type="number"],
    .form-group input[type="email"],
    .form-group input[type="text"],
    .form-group input[type="file"],
    .form-group textarea {
        padding: 12px 15px;
        font-size: 16px; /* Previene zoom en iOS */
    }
    
    .btn-submit {
        padding: 15px 20px;
        font-size: 15px;
    }
    
    .file-preview {
        padding: 15px;
    }
    
    .image-preview img {
        max-height: 150px;
    }
    
    /* Backend responsive */
    .wp-admin .widefat .column-comprobante {
        width: 80px;
    }
    
    .wp-admin .column-comprobante img {
        width: 35px;
        height: 35px;
    }
    
    .wp-admin .column-comprobante span {
        font-size: 22px;
    }
    
    .pdf-icon svg {
        width: 24px;
        height: 28px;
    }
    
    .wp-admin .column-comprobante .pdf-icon svg {
        width: 20px;
        height: 24px;
    }
}

@media (max-width: 480px) {
    .wc-comprobantes-form-wrapper {
        padding: 15px;
        margin: 5px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .btn-submit {
        padding: 12px 15px;
        font-size: 14px;
    }
}

/* ============================================
   MODO OSCURO (OPCIONAL)
   ============================================ */

@media (prefers-color-scheme: dark) {
    .wc-comprobantes-form-wrapper {
        background: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }
    
    .wc-comprobantes-form-wrapper h3 {
        color: #e2e8f0;
    }
    
    .form-group label {
        color: #e2e8f0;
    }
    
    .form-group input[type="number"],
    .form-group input[type="email"],
    .form-group input[type="text"],
    .form-group input[type="file"],
    .form-group textarea {
        background: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    .form-group input[type="number"]:focus,
    .form-group input[type="email"]:focus,
    .form-group input[type="text"]:focus,
    .form-group input[type="file"]:focus,
    .form-group textarea:focus {
        background: #2d3748;
        border-color: #63b3ed;
    }
    
    .file-preview {
        background: #4a5568;
        border-color: #718096;
        color: #e2e8f0;
    }
    
    .upload-message.success {
        background: linear-gradient(135deg, #2f855a, #38a169);
        color: #c6f6d5;
    }
    
    .upload-message.error {
        background: linear-gradient(135deg, #c53030, #e53e3e);
        color: #fed7d7;
    }
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */

/* Focus visible para navegación por teclado */
.form-group input:focus-visible {
    outline: 3px solid #ffbf47;
    outline-offset: 2px;
}

.btn-submit:focus-visible {
    outline: 3px solid #ffbf47;
    outline-offset: 2px;
}

/* Reduce motion para usuarios con preferencias de accesibilidad */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ============================================
   ESTADOS DE IMPRESIÓN
   ============================================ */

@media print {
    .wc-comprobantes-form-wrapper {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .btn-submit,
    .upload-message,
    .file-preview {
        display: none;
    }
}

/* ============================================
   UTILIDADES ADICIONALES
   ============================================ */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mt-2 {
    margin-top: 0.5rem;
}

.mb-2 {
    margin-bottom: 0.5rem;
}

/* ============================================
   TOOLTIPS Y ELEMENTOS ADICIONALES
   ============================================ */

.cbu-tooltip {
    background: #333;
    color: #fff;
    padding: 5px 8px;
    border-radius: 4px;
    font-size: 11px;
    position: relative;
    animation: fadeIn 0.3s ease;
}

.cbu-tooltip:before {
    content: '';
    position: absolute;
    top: -4px;
    left: 10px;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 4px solid #333;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   FIN DE ESTILOS
   ============================================ */