/* ============================================
   FORMULARIO DE PROBLEMA - Estilos específicos
   Mantiene consistencia con styles.css
   ============================================ */

.form-problema-section {
    padding: calc(var(--spacing-3xl) + 70px) 0 var(--spacing-3xl);
    background: linear-gradient(180deg, #fafbfc 0%, #ffffff 100%);
    min-height: 100vh;
}

.form-problema-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

/* Introducción */
.form-intro {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.form-intro .section-title {
    margin-bottom: var(--spacing-md);
}

.form-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 700px;
    margin: 0 auto;
}

/* Formulario principal */
.form-problema {
    background-color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-card);
}

/* Fieldsets */
.form-fieldset {
    border: none;
    padding: 0;
    margin: 0 0 var(--spacing-2xl) 0;
}

.form-fieldset:last-of-type {
    margin-bottom: var(--spacing-xl);
}

.form-fieldset legend {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    padding: 0;
    width: 100%;
    border-bottom: 2px solid var(--color-border-light);
    padding-bottom: var(--spacing-sm);
}

/* Form groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.form-group label .required {
    color: var(--color-primary);
    margin-left: 2px;
}

/* Form inputs */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea,
.form-select {
    width: 100%;
    padding: 1rem 1.125rem;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    background-color: white;
    color: var(--color-text);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

/* Form helper text */
.form-helper {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-lighter);
    line-height: 1.4;
}

/* Form error */
.form-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-md);
}

/* Form message (success/error) */
.form-message {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
    line-height: 1.6;
}

.form-message.success {
    background-color: #f0fdf4;
    border: 1px solid #86efac;
    color: #166534;
}

.form-message.error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

/* Submit button */
.btn-submit {
    width: 100%;
    justify-content: center;
    margin-top: var(--spacing-md);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-submit.loading .btn-text::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

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

/* Footer note */
.form-footer-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.form-footer-note a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
    transition: var(--transition-fast);
}

.form-footer-note a:hover {
    color: var(--color-primary-dark);
}

/* ============================================
   VALIDACIÓN VISUAL
   ============================================ */

.form-group input.error,
.form-group textarea.error,
.form-select.error {
    border-color: #dc2626;
    background-color: #fef2f2;
}

.form-group input.success,
.form-group textarea.success,
.form-select.success {
    border-color: #22c55e;
}

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

@media (max-width: 768px) {
    .form-problema-section {
        padding: calc(var(--spacing-xl) + 70px) 0 var(--spacing-xl);
    }

    .form-problema {
        padding: var(--spacing-xl);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .form-intro .section-title {
        font-size: var(--font-size-3xl);
    }

    .form-description {
        font-size: var(--font-size-base);
    }

    .form-fieldset legend {
        font-size: var(--font-size-lg);
    }
}

@media (max-width: 480px) {
    .form-problema {
        padding: var(--spacing-lg);
    }

    .form-intro .section-title {
        font-size: var(--font-size-2xl);
    }

    .form-description {
        font-size: var(--font-size-sm);
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group input[type="tel"],
    .form-group textarea,
    .form-select {
        padding: 0.875rem 1rem;
        font-size: var(--font-size-sm);
    }
}