/**
 * Estilos para formularios de contacto
 * theme-sai / contact-form.css
 */

/* ============================================
   VARIABLES DE FORMULARIO
   ============================================ */

:root {
    --form-input-height: 44px;
    --form-label-color: var(--color-text);
    --form-input-bg: #ffffff;
    --form-input-border: #e1e4e8;
    --form-input-border-focus: var(--color-primary);
    --form-input-shadow-focus: 0 0 0 3px rgba(59, 130, 246, 0.1);
    --form-error-color: #dc2626;
    --form-success-color: #059669;
    --form-disabled-bg: #f3f4f6;
}

/* ============================================
   ESTRUCTURA PRINCIPAL DEL FORMULARIO
   ============================================ */

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    width: 100%;
}

.site-content .home-intro-form {
    max-width: 700px;
    margin: 0 auto;
    transform: none;
}

.contact-form-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-align: center;
    margin: 0 0 var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group--full {
    width: 100%;
}

/* ============================================
   LABELS Y INPUTS
   ============================================ */

.form-label {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--form-label-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-required {
    color: var(--form-error-color);
    font-weight: 600;
}

.form-input,
.form-select {
    width: 100%;
    height: var(--form-input-height);
    padding: 0 var(--spacing-md);
    font-size: var(--font-base);
    border: 1px solid var(--form-input-border);
    border-radius: var(--radius-md);
    background-color: var(--form-input-bg);
    color: var(--color-text);
    font-family: inherit;
    transition: all var(--transition-base);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

.form-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-md);
    font-size: var(--font-base);
    border: 1px solid var(--form-input-border);
    border-radius: var(--radius-md);
    background-color: var(--form-input-bg);
    color: var(--color-text);
    font-family: inherit;
    transition: all var(--transition-base);
    resize: vertical;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--form-input-border-focus);
    box-shadow: var(--form-input-shadow-focus);
    background-color: #f9fafb;
}

.form-checkbox-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.form-group--honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    height: 0;
    overflow: hidden;
}

.form-honeypot {
    display: none !important;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23333' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    padding-right: calc(var(--spacing-md) * 2 + 12px);
}

/* Estados del input */
.form-input:hover,
.form-select:hover {
    border-color: #d1d5db;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--form-input-border-focus);
    box-shadow: var(--form-input-shadow-focus);
    background-color: #f9fafb;
}

.form-input:disabled,
.form-select:disabled {
    background-color: var(--form-disabled-bg);
    color: #9ca3af;
    cursor: not-allowed;
}

.form-input::placeholder {
    color: #9ca3af;
}

/* Estados de validación */
.form-input--valid {
    border-color: var(--form-success-color);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-input--valid:focus {
    border-color: var(--form-success-color);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-input--error {
    border-color: var(--form-error-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-input--error:focus {
    border-color: var(--form-error-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* ============================================
   ALERTAS DE VALIDACIÓN
   ============================================ */

.form-alert {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    animation: slideDown var(--transition-base) ease-out;
    order: 100;
}

.form-group--levels {
    order: 60;
}

.form-group--comment {
    order: 70;
}

.form-group--checkbox {
    order: 80;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-alert--success {
    background-color: #ecfdf5;
    border: 1px solid #d1fae5;
    color: #065f46;
}

.form-alert--success .fa-check-circle {
    font-size: var(--font-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.form-alert--error {
    background-color: #fef2f2;
    border: 1px solid #fee2e2;
    color: #7f1d1d;
}

.form-alert--error .fa-exclamation-circle {
    font-size: var(--font-lg);
    flex-shrink: 0;
    margin-top: 2px;
}

.form-alert strong {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-alert p {
    margin: 0;
    line-height: 1.5;
}

.form-errors-list {
    margin: var(--spacing-xs) 0 0 var(--spacing-md);
    padding: 0;
    list-style-type: disc;
    color: inherit;
}

.form-errors-list li {
    margin-bottom: var(--spacing-xs);
}

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

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border: none;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-base);
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
    background-color: #2563eb;
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(59, 130, 246, 0.2);
}

.btn-primary:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-lg {
    height: 48px;
    font-size: var(--font-base);
    padding: 0 var(--spacing-lg);
}

.form-group--submit {
    order: 90;
}

.form-note {
    order: 110;
}

/* ============================================
   NOTA Y TEXTO ADICIONAL
   ============================================ */

.form-note {
    margin: 0;
    color: #6b7280;
    text-align: center;
    font-size: var(--font-xs);
}

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

@media (max-width: 768px) {
    .contact-form {
        gap: var(--spacing-md);
    }

    .form-label {
        font-size: var(--font-xs);
    }

    .form-input,
    .form-select {
        height: 40px;
        padding: 0 var(--spacing-sm);
        font-size: 16px; /* Prevenir zoom en iOS */
    }

    .btn-lg {
        height: 44px;
        font-size: var(--font-sm);
        padding: 0 var(--spacing-md);
    }

    .form-alert {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

/* ============================================
   TEMA OSCURO (SIN CAMBIOS DE COLOR DE TEXTO)
   ============================================ */

body.dark-mode .contact-form-title,
body.dark-mode .form-label,
body.dark-mode .form-checkbox-label,
body.dark-mode .form-note {
    color: var(--color-text);
}

body.dark-mode .form-input,
body.dark-mode .form-select {
    background-color: #ffffff;
    color: var(--color-text);
    border-color: var(--form-input-border);
}

body.dark-mode .form-textarea {
    background-color: #ffffff;
    color: var(--color-text);
}

body.dark-mode .form-input:focus,
body.dark-mode .form-select:focus {
    background-color: #ffffff;
}

body.dark-mode .contact-form-title,
body.dark-mode .form-checkbox-label,
body.dark-mode .form-checkbox-label strong {
    color: var(--color-text);
}

body.dark-mode .form-link {
    color: var(--color-primary);
}