/**
 * ============================================================================
 * Archivo: login.css
 * Descripción:
 * Estilos para el modal flotante de inicio de sesión (Glassmorphism).
 *
 * @author    David Casas
 * @email     ing@lexx.com.co
 * @copyright 2026 Lexx / Gimnasio Áuream
 * @license   Confidencial
 * ============================================================================
 */

/* ---------------------------------------------------------------------------
 * Modal Backdrop
 * ---------------------------------------------------------------------------
 */
.modal-backdrop-login {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 33, 49, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    padding: 20px;
}

.modal-backdrop-login.activo {
    opacity: 1;
    visibility: visible;
}

/* ---------------------------------------------------------------------------
 * Tarjeta Flotante (Glassmorphism)
 * ---------------------------------------------------------------------------
 */
.modal-tarjeta-login {
    background: rgba(255, 255, 255, 0.85); /* Coincide con tarjeta flotante */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radio-grande, 32px);
    box-shadow: 0 30px 60px rgba(13, 79, 133, 0.25), 0 4px 12px rgba(13, 79, 133, 0.1);
    width: 100%;
    max-width: 420px;
    padding: 40px;
    position: relative;
    transform: translateY(30px) scale(0.95);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.modal-backdrop-login.activo .modal-tarjeta-login {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Botón de cierre */
.modal-login-cerrar {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(13, 79, 133, 0.05);
    color: var(--color-texto-suave);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-login-cerrar:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    transform: rotate(90deg);
}

.modal-login-cerrar svg {
    width: 20px;
    height: 20px;
}

/* Cabecera del formulario */
.modal-login-header {
    text-align: center;
    margin-bottom: 28px;
}

.modal-login-header h2 {
    color: var(--color-primario-oscuro);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal-login-header p {
    color: var(--color-texto-suave);
    font-size: 0.95rem;
}

/* Campos de entrada */
.modal-login-formulario {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.grupo-input {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.grupo-input label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primario-oscuro);
}

.grupo-input input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(13, 79, 133, 0.16);
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-texto);
    font-size: 1rem;
    transition: border-color var(--transicion-base, 0.4s ease), box-shadow var(--transicion-base, 0.4s ease);
}

.grupo-input input:focus {
    outline: none;
    border-color: var(--color-turquesa);
    box-shadow: 0 0 0 4px rgba(27, 162, 184, 0.15);
}

/* Botón de acción */
.boton-login-submit {
    margin-top: 10px;
    background: linear-gradient(135deg, var(--color-primario) 0%, #1771b4 100%);
    color: #ffffff;
    border: none;
    padding: 14px;
    border-radius: 14px;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 8px 20px rgba(13, 79, 133, 0.2);
}

.boton-login-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(13, 79, 133, 0.3);
}

.boton-login-submit:active {
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 480px) {
    .modal-tarjeta-login {
        padding: 30px 20px;
    }
}