/* =========================================================
   AZKA UX — Interstitial de inicio de sesión y bienvenida
   Flujo de compra sin cuenta (sin redirecciones).
   Estética premium oscura de AZKA. Sin librerías externas.
   ========================================================= */

/* ---------- Overlay base ---------- */
.azka-ux-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(3, 3, 3, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, visibility;
}

.azka-ux-overlay.azka-ux-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.azka-ux-scrim {
    position: absolute;
    inset: 0;
    cursor: pointer;
}

/* ---------- Panel ---------- */
.azka-ux-panel {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: linear-gradient(160deg, #0d0d0f 0%, #070708 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow: 0 40px 90px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(255, 255, 255, 0.02);
    padding: 52px 40px 44px;
    text-align: center;
    transform: translateY(34px) scale(0.96);
    opacity: 0;
    transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    overscroll-behavior: contain;
}

.azka-ux-overlay.azka-ux-active .azka-ux-panel {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.azka-ux-overlay.azka-ux-closing .azka-ux-panel {
    transform: translateY(20px) scale(0.97);
    opacity: 0;
}

/* ---------- Botón cerrar ---------- */
.azka-ux-close {
    position: absolute;
    top: 14px;
    right: 18px;
    background: transparent;
    border: 0;
    color: #777;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
    z-index: 2;
}

.azka-ux-close:hover {
    color: #fff;
    transform: rotate(90deg);
}

/* ---------- Tipografía ---------- */
.azka-ux-eyebrow {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 5px;
    color: #8a8a8a;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.azka-ux-panel h2 {
    font-size: 30px;
    letter-spacing: 6px;
    color: #fff;
    text-transform: uppercase;
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 16px;
}

.azka-ux-panel h2 em {
    font-style: normal;
    color: #c9c9c9;
}

.azka-ux-hero > p {
    font-size: 12px;
    letter-spacing: 1.5px;
    color: #9a9a9a;
    line-height: 1.8;
    margin: 0 auto 30px;
    max-width: 300px;
}

/* ---------- Botones ---------- */
.azka-ux-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 22px;
}

.azka-ux-btn {
    display: block;
    width: 100%;
    padding: 16px 20px;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.3s ease,
                color 0.3s ease,
                border-color 0.3s ease,
                box-shadow 0.3s ease,
                opacity 0.3s ease;
    will-change: transform;
}

.azka-ux-btn:disabled {
    opacity: 0.55;
    cursor: wait;
    transform: none;
}

.azka-ux-btn-primary {
    background: #fff;
    color: #050505;
    border: 1px solid #fff;
}

.azka-ux-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(255, 255, 255, 0.14);
}

.azka-ux-btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.azka-ux-btn-ghost:hover:not(:disabled) {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}

.azka-ux-link {
    background: transparent;
    border: 0;
    color: #777;
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    padding: 8px;
    transition: color 0.3s ease;
    font-family: inherit;
}

.azka-ux-link:hover {
    color: #fff;
}

/* ---------- Formularios ---------- */
.azka-ux-form {
    text-align: left;
}

.azka-ux-form h2 {
    text-align: center;
}

.azka-ux-form label {
    display: block;
    font-size: 10px;
    letter-spacing: 2px;
    color: #aaa;
    text-transform: uppercase;
    margin: 18px 0 8px;
    font-weight: 600;
}

.azka-ux-form input {
    width: 100%;
    background: #000;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    padding: 14px 15px;
    font-size: 13px;
    outline: none;
    border-radius: 2px;
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.azka-ux-form input:focus {
    border-color: #fff;
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.12);
}

.azka-ux-form .azka-ux-btn {
    margin-top: 24px;
}

.azka-ux-form .azka-ux-link {
    margin-top: 14px;
    display: inline-block;
}

.azka-ux-error {
    color: #ff6b6b;
    font-size: 11px;
    letter-spacing: 1px;
    margin-top: 14px;
    text-align: center;
    text-transform: none;
}

/* ---------- Bienvenida ---------- */
.azka-ux-welcome {
    padding: 56px 40px 48px;
}

.azka-ux-mark {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 8px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 10px 18px;
    margin-bottom: 26px;
}

.azka-ux-orb {
    display: block;
    font-size: 34px;
    color: #fff;
    margin: 0 auto 18px;
    animation: azkaOrb 2.6s ease-in-out infinite;
}

@keyframes azkaOrb {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.85; }
    50%      { transform: scale(1.18) rotate(12deg); opacity: 1; }
}

.azka-ux-welcome-text {
    font-size: 12px;
    letter-spacing: 1.2px;
    color: #9a9a9a;
    line-height: 1.9;
    margin: 0 auto 26px;
    max-width: 320px;
}

.azka-ux-benefits {
    list-style: none;
    margin: 0 0 30px;
    padding: 0;
    text-align: left;
}

.azka-ux-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 11px;
    letter-spacing: 1.5px;
    color: #ccc;
    text-transform: uppercase;
    padding: 11px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.azka-ux-benefits li::before {
    content: '✦';
    color: #fff;
    font-size: 10px;
    flex: 0 0 auto;
}

.azka-ux-welcome .azka-ux-btn {
    animation: azkaFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both;
}

@keyframes azkaFadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Bienvenida de visitante ---------- */
.azka-ux-visitor {
    padding: 56px 40px 44px;
}

.azka-ux-visitor .azka-ux-mark {
    animation: azkaMarkGlow 3s ease-in-out infinite;
}

@keyframes azkaMarkGlow {
    0%, 100% { box-shadow: 0 0 0 rgba(255, 255, 255, 0); }
    50%      { box-shadow: 0 0 26px rgba(255, 255, 255, 0.14); }
}

.azka-ux-visitor .azka-ux-actions {
    margin-bottom: 18px;
}

/* ---------- Accesibilidad: reduce movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
    .azka-ux-overlay,
    .azka-ux-panel,
    .azka-ux-close,
    .azka-ux-btn,
    .azka-ux-orb,
    .azka-ux-mark,
    .azka-ux-welcome .azka-ux-btn {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

    /* Aviso "¿Mantener mi sesión?": sin animaciones, aparición directa. */
    .azk-sel-overlay,
    .azk-sel-panel,
    .azk-sel-cerrar,
    .azk-sel-btn,
    .azk-sel-anim.azk-sel-anim-in {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-delay: 0s !important;
        animation-iteration-count: 1 !important;
    }

    .azk-sel-anim {
        opacity: 1;
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
    .azka-ux-panel {
        padding: 44px 24px 36px;
    }

    .azka-ux-panel h2 {
        font-size: 24px;
        letter-spacing: 4px;
    }

    .azka-ux-welcome,
    .azka-ux-visitor {
        padding: 48px 24px 40px;
    }
}

/* ---------- Mantener mi sesión iniciada ---------- */
/* Specificity mayor que .azka-ux-form label para poder redefinir layout. */
.azka-ux-form label.azka-ux-recordar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 18px 0 0;
    cursor: pointer;
    user-select: none;
}

.azka-ux-form label.azka-ux-recordar input[type="checkbox"] {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
    display: inline-grid;
    place-content: center;
    background: #000;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 2px;
    cursor: pointer;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.azka-ux-form label.azka-ux-recordar input[type="checkbox"]:hover {
    border-color: #fff;
}

.azka-ux-form label.azka-ux-recordar input[type="checkbox"]:checked {
    background: #fff;
    border-color: #fff;
}

.azka-ux-form label.azka-ux-recordar input[type="checkbox"]:checked::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #000;
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.azka-ux-form label.azka-ux-recordar span {
    font-size: 9px;
    letter-spacing: 1.8px;
    color: #888888;
    text-transform: uppercase;
    font-weight: 600;
    transition: color 0.3s ease;
}

.azka-ux-form label.azka-ux-recordar:hover span {
    color: #dddddd;
}

/* ---------- Línea corta "recordar-mini" (estilos compartidos en global.css) ---------- */

/* =========================================================
   AVISO PREVIO — "¿Mantener mi sesión?" (login y registro)
   Componente cinematográfico reutilizable de AZKA STUDIO.
   Entrada escalonada: overlay -> panel -> título -> texto
   -> botones. Sin alert()/confirm() del navegador.
   ========================================================= */
.azk-sel-overlay {
    position: fixed;
    inset: 0;
    z-index: 2600; /* por encima de los modales de autenticación (2000) */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(3, 3, 3, 0.86);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, visibility;
}

.azk-sel-overlay.azk-sel-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.azk-sel-scrim {
    position: absolute;
    inset: 0;
    cursor: pointer;
}

.azk-sel-panel {
    position: relative;
    width: 100%;
    max-width: 400px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    overscroll-behavior: contain;
    box-sizing: border-box;
    padding: 46px 36px 32px;
    text-align: center;
    background: linear-gradient(165deg, #101013 0%, #060607 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow: 0 40px 90px rgba(0, 0, 0, 0.85),
                0 0 44px rgba(255, 255, 255, 0.03);
    transform: translateY(30px) scale(0.95);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.45s ease;
    will-change: transform, opacity;
}

/* Glow sutil en el borde superior (hairline editorial) */
.azk-sel-panel::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
}

.azk-sel-overlay.azk-sel-active .azk-sel-panel {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.azk-sel-overlay.azk-sel-closing .azk-sel-panel {
    transform: translateY(18px) scale(0.97);
    opacity: 0;
    transition-duration: 0.34s, 0.3s;
}

.azk-sel-cerrar {
    position: absolute;
    top: 10px;
    right: 14px;
    background: transparent;
    border: 0;
    color: #777;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    padding: 4px 8px;
    transition: color 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2;
}

.azk-sel-cerrar:hover {
    color: #fff;
    transform: rotate(90deg);
}

/* ---------- Tipografía del aviso ---------- */
.azk-sel-eyebrow {
    margin: 0 0 16px;
    font-size: 9px;
    letter-spacing: 5px;
    color: #8a8a8a;
    text-transform: uppercase;
}

.azk-sel-titulo {
    margin: 0 0 14px;
    font-size: 26px;
    letter-spacing: 5px;
    line-height: 1.2;
    color: #fff;
    text-transform: uppercase;
    font-weight: 800;
}

.azk-sel-titulo em {
    font-style: normal;
    color: #c9c9c9;
}

.azk-sel-pregunta {
    margin: 0 auto 18px;
    max-width: 290px;
    font-size: 11px;
    letter-spacing: 1.2px;
    line-height: 1.8;
    color: #d4d4d4;
}

.azk-sel-texto p {
    margin: 0 0 12px;
    font-size: 10.5px;
    letter-spacing: 0.5px;
    line-height: 1.85;
    color: #969696;
}

.azk-sel-tagline {
    margin: 20px 0 24px;
    font-size: 10px;
    font-style: italic;
    letter-spacing: 0.8px;
    color: #b3b3b3;
}

/* ---------- Botones del aviso ---------- */
.azk-sel-acciones {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
}

.azk-sel-btn {
    display: block;
    width: 100%;
    min-height: 52px; /* objetivo táctil cómodo en móvil */
    padding: 15px 18px;
    font-family: inherit;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    border-radius: 2px;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                background-color 0.3s ease,
                color 0.3s ease,
                border-color 0.3s ease,
                box-shadow 0.3s ease;
    will-change: transform;
}

.azk-sel-btn:active {
    transform: scale(0.97); /* microanimación de selección */
}

.azk-sel-btn-primary {
    background: #fff;
    color: #050505;
    border: 1px solid #fff;
}

.azk-sel-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(255, 255, 255, 0.14);
}

.azk-sel-btn-ghost {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.azk-sel-btn-ghost:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}

.azk-sel-nota {
    margin: 0;
    font-size: 8px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #565656;
}

/* ---------- Entrada escalonada (cinematográfica) ---------- */
.azk-sel-anim {
    opacity: 0;
}

.azk-sel-anim.azk-sel-anim-in {
    animation: azkSelFadeUp 0.65s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.azk-sel-titulo.azk-sel-anim-in   { animation-delay: 0.08s; }
.azk-sel-pregunta.azk-sel-anim-in { animation-delay: 0.16s; }
.azk-sel-texto.azk-sel-anim-in    { animation-delay: 0.24s; }
.azk-sel-tagline.azk-sel-anim-in  { animation-delay: 0.32s; }
.azk-sel-acciones.azk-sel-anim-in { animation-delay: 0.40s; }
.azk-sel-nota.azk-sel-anim-in     { animation-delay: 0.50s; }

@keyframes azkSelFadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive móvil ---------- */
@media (max-width: 480px) {
    .azk-sel-overlay {
        padding: 16px;
        align-items: center;
    }

    .azk-sel-panel {
        max-width: none;
        padding: 40px 22px 26px;
        max-height: calc(100vh - 32px);
    }

    .azk-sel-titulo {
        font-size: 21px;
        letter-spacing: 3.5px;
    }

    .azk-sel-pregunta,
    .azk-sel-texto p {
        font-size: 11px;
    }

    .azk-sel-btn {
        min-height: 54px;
        letter-spacing: 2.4px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .azka-ux-form label.azka-ux-recordar input[type="checkbox"],
    .azka-ux-form label.azka-ux-recordar span {
        transition: none;
    }
}