/**
 * forms.css - Sistema de estilos para formularios de Arrayanmed
 * Este archivo contiene todos los estilos necesarios para formularios,
 * incluyendo inputs, textareas, selects, checkboxes, radios y validación.
 * Preparado para futuros formularios de contacto, citas y registro.
 */

/* ========== ESTILOS BASE DE FORMULARIOS ========== */
form {
    width: 100%;
}

/* Fieldset para agrupar campos relacionados */
fieldset {
    border: none;
    padding: 0;
    margin: 0 0 var(--spacing-xl) 0;
}

legend {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-family: 'Quicksand', sans-serif;
}

/* ========== CONTENEDOR DE CAMPOS ========== */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

/* Para campos en línea */
.form-group-inline {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
}

/* ========== LABELS ========== */
label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-family: 'Quicksand', sans-serif;
    letter-spacing: 0.3px;
}

/* Label requerido */
label.required::after {
    content: ' *';
    color: #e74c3c;
    font-weight: 700;
}

/* ========== INPUTS Y TEXTAREAS ========== */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    background-color: white;
    font-size: var(--font-base);
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    transition: all var(--transition-base);
    outline: none;
}

/* Estados de inputs */
input:hover,
textarea:hover,
select:hover {
    border-color: #d4d4d4;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 4px rgba(152, 170, 113, 0.1);
}

/* Placeholder */
input::placeholder,
textarea::placeholder {
    color: var(--text-light);
    opacity: 1;
}

/* Textarea específico */
textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

/* Input deshabilitado */
input:disabled,
textarea:disabled,
select:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
    opacity: 0.7;
}

/* ========== SELECT PERSONALIZADO ========== */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    color: var(--text-medium);
    font-size: 0.8rem;
    pointer-events: none;
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 45px;
    cursor: pointer;
}

/* ========== CHECKBOXES Y RADIOS ========== */
.checkbox-wrapper,
.radio-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
    cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
    width: auto;
    margin: 0;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

/* Checkbox y radio personalizados */
.custom-checkbox,
.custom-radio {
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    user-select: none;
}

.custom-checkbox input,
.custom-radio input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

/* Checkbox personalizado */
.custom-checkbox .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 22px;
    width: 22px;
    background-color: white;
    border: 2px solid var(--border-light);
    border-radius: 6px;
    transition: all var(--transition-base);
}

.custom-checkbox:hover input ~ .checkmark {
    border-color: var(--primary-green);
}

.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
}

/* Marca de check */
.custom-checkbox .checkmark::after {
    content: '';
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 11px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-checkbox input:checked ~ .checkmark::after {
    display: block;
}

/* Radio button personalizado */
.custom-radio .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 22px;
    width: 22px;
    background-color: white;
    border: 2px solid var(--border-light);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.custom-radio:hover input ~ .checkmark {
    border-color: var(--primary-green);
}

.custom-radio input:checked ~ .checkmark {
    border-color: var(--primary-green);
}

/* Punto central del radio */
.custom-radio .checkmark::after {
    content: '';
    position: absolute;
    display: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-green);
}

.custom-radio input:checked ~ .checkmark::after {
    display: block;
}

/* ========== BOTONES DE FORMULARIO ========== */
.form-button {
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    font-size: var(--font-base);
    font-weight: 600;
    font-family: 'Quicksand', sans-serif;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* Botón primario */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 6px 20px rgba(152, 170, 113, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(152, 170, 113, 0.4);
}

/* Botón secundario */
.btn-secondary {
    background: white;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: white;
    transform: translateY(-2px);
}

/* Botón de envío */
.btn-submit {
    background: var(--gradient-accent);
    color: var(--text-dark);
    box-shadow: 0 6px 20px rgba(230, 199, 87, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230, 199, 87, 0.4);
}

/* ========== MENSAJES DE AYUDA Y ERROR ========== */
.form-help {
    font-size: var(--font-sm);
    color: var(--text-medium);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Estado de error */
.form-error {
    color: #e74c3c;
    font-size: var(--font-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 5px;
}

.form-error::before {
    content: '⚠';
    font-size: 1.1em;
}

/* Input con error */
input.error,
textarea.error,
select.error {
    border-color: #e74c3c;
}

input.error:focus,
textarea.error:focus,
select.error:focus {
    box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.1);
}

/* Estado de éxito */
.form-success {
    color: #27ae60;
    font-size: var(--font-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 5px;
}

.form-success::before {
    content: '✓';
    font-size: 1.1em;
}

/* Input con éxito */
input.success,
textarea.success,
select.success {
    border-color: #27ae60;
}

/* ========== FORMULARIO DE BÚSQUEDA ========== */
.search-form {
    position: relative;
    max-width: 400px;
}

.search-form input[type="search"] {
    padding-right: 50px;
}

.search-form button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 10px;
    color: var(--primary-green);
    cursor: pointer;
    transition: var(--transition-base);
}

.search-form button:hover {
    color: var(--primary-dark);
}

/* ========== TOGGLE SWITCH ========== */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: var(--transition-base);
    border-radius: 30px;
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-base);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-green);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(30px);
}

/* ========== FORMULARIO DE PROGRESO ========== */
.form-progress {
    margin-bottom: var(--spacing-xl);
}

.progress-bar {
    height: 6px;
    background-color: var(--border-light);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    transition: width 0.4s ease;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-md);
}

.progress-step {
    text-align: center;
    font-size: var(--font-sm);
    color: var(--text-light);
}

.progress-step.active {
    color: var(--primary-green);
    font-weight: 600;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .form-group-inline {
        flex-direction: column;
        gap: 0;
    }
    
    input,
    textarea,
    select {
        font-size: 16px; /* Previene zoom en iOS */
    }
}

/* ========== ANIMACIONES DE FORMULARIO ========== */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

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

/* ========== LOADING STATE ========== */
.form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid var(--border-light);
    border-top-color: var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}