/* Contenedor principal del formulario */
form {
    background-color: var(--oscuro-tarjetas);
    border-radius: var(--radio-apple);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Título */
form h1 {
    color: var(--azul-principal);
    font-weight: 600;
}

/* Labels */
.form-label {
    color: var(--text);
    font-weight: 600;
}

/* Inputs */
form input,
form textarea {
    border-radius: 10px;
    padding: 10px 12px;
    border: 1px solid var(--azul-principal);
    background-color: transparent;
    color: var(--text);
    width: 100%;
    height: 42px;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

form textarea{
    height: auto;
}

form input:focus,
form textarea:focus {
    border-color: var(--azul-secundario);
    box-shadow: 0 0 5px var(--azul-principal);
}

form input::placeholder {
    color: var(--muted);
}

/* Estilo desplegable (select) */
form select {
    /* Eliminar apariencia nativa */
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;

    /* Flecha personalizada */
    background-image: url('../icon/arrow-down.svg');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px 16px;
    background-color: transparent;

    /* Estilos generales */
    color: var(--text);
    border: 1px solid var(--azul-principal);
    border-radius: var(--radio-apple);
    padding: 0 40px 0 12px;
    width: 100%;
    height: 42px;
    line-height: 40px;
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

form select:focus {
    border-color: var(--azul-secundario);
    box-shadow: 0 0 5px var(--azul-principal);
}

/* Opciones del select */
form select option {
    background-color: var(--card);
    color: var(--text);
}

/* =========================
    Scroll personalizado
   ========================= */

/* Chrome, Edge, Safari */
form select[multiple]::-webkit-scrollbar {
    width: 8px;
}

form select[multiple]::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 10px;
}

form select[multiple]::-webkit-scrollbar-thumb {
    background: var(--azul-principal);
    border-radius: 10px;
    border: 2px solid var(--oscuro-tarjetas);
}

form select[multiple]::-webkit-scrollbar-thumb:hover {
    background: var(--azul-secundario);
}

/* Firefox */
form select[multiple] {
    scrollbar-width: thin;
    scrollbar-color: var(--azul-principal) var(--oscuro-tarjetas);
}

/* =========================
    Input File
   ========================= */

/* Botón input file */
.upload-box {
    border: 2px solid #00e6d2;
    border-radius: 10px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background-color: transparent;
    transition: border-color 0.3s ease;
}

.upload-box:hover {
    border-color: #00fff2;
}

.upload-box input[type=file] {
    display: none;
}

.upload-button {
    background-color: #00e6d2;
    color: #000;
    padding: 8px 15px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
}

.upload-text {
    color: #888;
    margin-left: 10px;
    font-size: 0.9rem;
    flex-grow: 1;
    text-align: right;
}

/* =========================
    Radio Group (Acción)
   ========================= */

.radio-group {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--azul-principal);
    border-radius: 10px;
}

/* Cada opción */
.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text);
    font-weight: 500;
}

/* Ocultar radio nativo */
.radio-option input[type="radio"] {
    display: none;
}

/* Radio visual */
.radio-custom {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--azul-principal);
    position: relative;
    transition: border-color 0.2s ease;
}

/* Punto interno */
.radio-custom::after {
    content: "";
    position: absolute;
    inset: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
}

/* Checked */
.radio-option input[type="radio"]:checked + .radio-custom::after {
    opacity: 1;
}

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

/* Hover */
.radio-option:hover .radio-custom {
    border-color: var(--azul-secundario);
}

/* =========================
    Checkbox
   ========================= */

/* checkbox oculto */
.checkbox-option input[type="checkbox"]{
    display:none;
}

/* caja visual */
.checkbox-custom{
    width:18px;
    height:18px;
    border-radius:4px;
    border:2px solid var(--azul-principal);
    position:relative;
}

/* check */
.checkbox-custom::after{
    content:"";
    position:absolute;
    inset:3px;
    background:var(--azul-principal);
    opacity:0;
}

/* checked */
.checkbox-option input:checked + .checkbox-custom::after{
    opacity:1;
}

/* contenedor */
.checkbox-option{
    color: var(--text);
    display:flex;
    align-items:center;
    gap:.5rem;
    cursor:pointer;
}

/* =========================
    Submit
   ========================= */
form .btn-submit {
    background: var(--accent);
    color: #002922;
    font-weight: 700;
    border: none;
    padding: 0.85rem 1rem;
    border-radius: 2rem;
    box-shadow: 0 8px 18px rgba(0, 227, 204, 0.2);
    transition: background 0.2s ease, transform 0.15s ease;
}

form .btn-submit:hover {
    background: var(--accent-200);
    transform: translateY(-1px);
}

/* =========================
    Enlace de registro
   ========================= */
form a {
    color: var(--azul-principal);
    font-weight: 500;
}

form a:hover {
    text-decoration: underline;
}