/**
 * Estilos Modernos para Formularios
 * Animaciones fluidas, efectos visuales y transiciones suaves
 */

/* ============================================
   GRUPO DE CAMPOS
   ============================================ */

.grupo-campo {
    display: flex;
    flex-direction: column;
    gap: var(--espacio-2);
    position: relative;
}

.formulario-etiqueta {
    font-size: var(--texto-sm);
    font-weight: var(--peso-fuente-medio);
    color: var(--texto-principal);
    cursor: pointer;
    transition: all var(--duracion-rapida) var(--aceleracion-salida);
    letter-spacing: 0.3px;
}

.formulario-etiqueta--required::after {
    content: '*';
    color: var(--color-error-500);
    margin-left: var(--espacio-1);
    font-weight: var(--peso-fuente-seminegrita);
}

.grupo-campo:focus-within .formulario-etiqueta {
    color: var(--color-primario-600);
    font-weight: var(--peso-fuente-seminegrita);
    transform: translateY(-2px);
}

/* ============================================
   ENTRADA CON EFECTOS AVANZADOS
   ============================================ */

.entrada {
    position: relative;
    width: 100%;
    height: 46px;
    padding: 0 var(--espacio-4);
    font-size: var(--texto-sm);
    line-height: 1.5;
    color: var(--texto-principal);
    background: color-mix(in srgb, var(--superficie-elevada) 96%, transparent);
    border: 1.5px solid var(--borde-normal);
    border-radius: var(--radio-lg);
    transition: all var(--duracion-normal) var(--aceleracion-salida);
    outline: none;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
    font-family: inherit;
}


/* Efecto de brillo sutil en hover */
.entrada::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radio-lg);
    background: linear-gradient(90deg,
            transparent 0%,
            rgba(255, 255, 255, 0.1) 50%,
            transparent 100%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duracion-rapida) var(--aceleracion-salida);
}

.entrada:hover {
    border-color: var(--color-primario-300);
    box-shadow: 0 4px 16px color-mix(in srgb, var(--color-primario-500) 18%, transparent),
        inset 0 1px 3px rgba(0, 0, 0, 0.02);
    background: color-mix(in srgb, var(--superficie-elevada) 98%, var(--color-primario-100));
}

.entrada:hover::before {
    opacity: 0.5;
    animation: destello-breve 0.6s ease-in-out;
}

.entrada:focus {
    border-color: var(--color-primario-500);
    background: color-mix(in srgb, var(--superficie-elevada) 98%, var(--color-primario-50));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primario-500) 20%, transparent),
        0 4px 20px color-mix(in srgb, var(--color-primario-500) 26%, transparent),
        inset 0 1px 2px color-mix(in srgb, var(--color-primario-500) 18%, transparent);
}


.entrada:disabled {
    background: var(--superficie-hundida);
    color: var(--texto-deshabilitado);
    cursor: not-allowed;
    opacity: 0.6;
    border-color: var(--borde-sutil);
}

/* Estados de error */
.entrada--error {
    border-color: var(--color-error-400);
    background: color-mix(in srgb, var(--superficie-elevada) 98%, rgba(239, 68, 68, 0.05));
}

.entrada--error:hover {
    border-color: var(--color-error-500);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.12),
        inset 0 1px 3px rgba(0, 0, 0, 0.02);
    background: color-mix(in srgb, var(--superficie-elevada) 98%, rgba(239, 68, 68, 0.08));
}

.entrada--error:focus {
    border-color: var(--color-error-600);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12),
        0 4px 20px rgba(239, 68, 68, 0.15),
        inset 0 1px 2px rgba(0, 0, 0, 0.04);
}

.campo__error {
    font-size: var(--texto-xs);
    color: var(--color-error-500);
    font-weight: var(--peso-fuente-medio);
    margin-top: var(--espacio-1);
    display: none;
    animation: deslizar-arriba 0.3s var(--aceleracion-salida);
    letter-spacing: 0.2px;
}

.entrada--error~.campo__error {
    display: block;
}

/* Estados de éxito */
.entrada--exito {
    border-color: var(--color-exito-500);
    background: color-mix(in srgb, var(--superficie-elevada) 98%, rgba(16, 185, 129, 0.05));
}

.entrada--exito:focus {
    border-color: var(--color-exito-600);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12),
        0 4px 20px rgba(16, 185, 129, 0.15),
        inset 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* ============================================
   CASILLAS MEJORADAS
   ============================================ */

.casilla-etiqueta {
    display: inline-flex;
    align-items: center;
    gap: var(--espacio-3);
    cursor: pointer;
    user-select: none;
    transition: all var(--duracion-rapida) var(--aceleracion-salida);
    padding: var(--espacio-2) var(--espacio-3);
    border-radius: var(--radio-md);
    font-size: var(--texto-sm);
    font-weight: var(--peso-fuente-normal);
    color: var(--texto-secundario);
}

.casilla-etiqueta:hover {
    background: color-mix(in srgb, var(--superficie-sobrevuelo) 50%, transparent);
    color: var(--texto-principal);
}

.casilla {
    width: 22px;
    height: 22px;
    border: 2px solid var(--borde-normal);
    border-radius: var(--radio-sm);
    background: var(--superficie-elevada);
    cursor: pointer;
    transition: all var(--duracion-rapida) var(--aceleracion-salida);
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.02);
    position: relative;
}

.casilla:hover {
    border-color: var(--color-primario-400);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--color-primario-500) 18%, transparent),
        inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

.casilla:checked {
    background: linear-gradient(135deg, var(--color-primario-500) 0%, var(--color-primario-600) 100%);
    border-color: var(--color-primario-600);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--color-primario-500) 35%, transparent),
        inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

.casilla:checked::after {
    content: '✓';
    color: white;
    font-size: 14px;
    font-weight: var(--peso-fuente-negrita);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: escalar-entrada 0.3s var(--aceleracion-salida);
}

.casilla:focus-visible {
    outline: 2px solid var(--borde-foco);
    outline-offset: 2px;
}

/* ============================================
   ANIMACIONES PERSONALIZADAS
   ============================================ */

@keyframes destello-breve {
    0% {
        opacity: 0;
        transform: translateX(-20px);
    }

    50% {
        opacity: 0.8;
    }

    100% {
        opacity: 0;
        transform: translateX(100px);
    }
}

@keyframes pulse-suave {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

/* ============================================
   RESPONSIVO
   ============================================ */

@media (max-width: 640px) {
    .entrada {
        height: 44px;
        font-size: var(--texto-md);
    }

    .formulario-etiqueta {
        font-size: var(--texto-xs);
    }

    .campo__error {
        font-size: var(--texto-xxs);
    }
}