/* ============================================================
   ComBack - App Cliente (userapp) - CSS de la pagina 'login'
   Externalizado desde login.html (extra_css). Cache-busted con ?v=asset_version.
   ============================================================ */

.login-wrap {
        max-width: 400px;
        margin: 0 auto;
        padding: 24px 20px;
        text-align: center;
        /* Centrado vertical en pantalla (la pagina de auth no tiene bottom-nav) */
        min-height: 100vh;
        min-height: 100dvh;
        display: flex;
        flex-direction: column;
        justify-content: center;
        /* Por encima de la lluvia de monedas de fondo */
        position: relative;
        z-index: 1;
    }

    /* ===== Monedas que caen desde arriba y se ACUMULAN en el piso =====
       Mismo look dorado de la animacion de cashback. Un solo sistema (JS): cada
       moneda cae a una posicion del monton y se queda; las mas viejas se reciclan
       para no llenar la pantalla infinitamente. Va detras del contenido. ===== */
    .cb-coins-layer {
        position: fixed;
        inset: 0;
        overflow: hidden;
        z-index: 0;
        pointer-events: none;
    }
    .cb-coins-layer .cb-coin-fall {
        position: absolute;
        left: 0; top: 0;
        /* Moneda REAL de ComBack (coin-cashback.png) en vez del circulo dibujado */
        background-image: url("/static/img/coin-cashback.png");
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
        filter: drop-shadow(0 3px 6px rgba(0,0,0,0.28));
        will-change: transform, opacity;
    }
    @media (prefers-reduced-motion: reduce) {
        .cb-coins-layer { display: none; }
    }
    /* Transicion suave entre pasos (telefono -> codigo, etc.) para que no sea
       un salto brusco "de un lado a otro". Desliza + funde. */
    .login-step {
        transition: opacity 0.26s ease, transform 0.26s ease;
    }
    .login-step.cb-step-out {
        opacity: 0;
        transform: translateX(-26px);
        pointer-events: none;
    }
    .login-step.cb-step-in-start {
        opacity: 0;
        transform: translateX(26px);
    }
    @media (prefers-reduced-motion: reduce) {
        .login-step { transition: opacity 0.2s ease; }
        .login-step.cb-step-out, .login-step.cb-step-in-start { transform: none; }
    }
    /* T37: logo como imagen (no texto) */
    .login-logo {
        margin-bottom: 14px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .login-logo img {
        height: 64px;
        width: auto;
        max-width: 200px;
        object-fit: contain;
    }
    /* El logo es un PNG BLANCO. En tema claro (fondo claro) se volveria invisible,
       asi que lo oscurecemos; en tema oscuro se deja blanco. */
    :root:not([data-theme="dark"]) .login-logo img { filter: invert(1) brightness(0.15); }
    [data-theme="dark"] .login-logo img { filter: none; }
    @media (prefers-color-scheme: dark) {
        :root:not([data-theme="light"]) .login-logo img { filter: none; }
    }
    .login-subtitle { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }
    .login-card {
        background: var(--card-bg);
        border-radius: 20px;
        padding: 32px 24px;
        box-shadow: var(--shadow-md);
    }
    .form-group { margin-bottom: 16px; text-align: left; }
    .form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; display: block; }
    .form-group input {
        width: 100%;
        padding: 12px 16px;
        border: 2px solid var(--input-border);
        border-radius: 12px;
        font-size: 0.95rem;
        outline: none;
        transition: border-color 0.2s;
        box-sizing: border-box;
        background: var(--input-bg);
        color: var(--text-primary);
    }
    .form-group input:focus { border-color: var(--cb-orange); }
    .btn-primary {
        width: 100%;
        padding: 14px;
        background: var(--cb-orange);
        color: #fff;
        border: none;
        border-radius: 14px;
        font-size: 1rem;
        font-weight: 700;
        cursor: pointer;
        margin-top: 8px;
        transition: background 0.2s;
    }
    .btn-primary:hover { background: var(--cb-orange-dark); }
    .btn-primary:disabled { background: var(--text-tertiary); cursor: not-allowed; }

    /* ===== BOTON CTA PALPITANTE =====
       Boton "Ingresar/Continuar/Verificar" mas grande, con color distintivo
       y animacion pulse para guiar al usuario visualmente. */
    /* T37: gradiente morado-magenta de marca (no mas azul) */
    .btn-cta-pulse {
        position: relative;
        width: 100%;
        padding: 18px 16px;
        background: linear-gradient(135deg, var(--cb-primary) 60%, var(--cb-magenta) 100%);
        color: #fff;
        border: none;
        border-radius: 16px;
        font-size: 1.15rem;
        font-weight: 800;
        letter-spacing: 0.3px;
        cursor: pointer;
        margin-top: 14px;
        box-shadow: 0 6px 20px rgba(111,66,193,0.45);
        transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
        animation: ctaPulse 1.6s ease-in-out infinite;
        will-change: transform, box-shadow;
    }
    .btn-cta-pulse:hover {
        background: linear-gradient(135deg, var(--cb-primary-dark) 60%, var(--cb-magenta-dark) 100%);
        box-shadow: 0 8px 26px rgba(111,66,193,0.55);
        transform: translateY(-1px);
    }
    .btn-cta-pulse:active { transform: translateY(0); }
    .btn-cta-pulse:disabled {
        animation: none;
        background: var(--text-tertiary);
        box-shadow: none;
        cursor: not-allowed;
    }
    @keyframes ctaPulse {
        0%   { box-shadow: 0 6px 20px rgba(111,66,193,0.45), 0 0 0 0 rgba(111,66,193,0.55); transform: scale(1); }
        50%  { box-shadow: 0 8px 28px rgba(111,66,193,0.55), 0 0 0 12px rgba(111,66,193,0); transform: scale(1.015); }
        100% { box-shadow: 0 6px 20px rgba(111,66,193,0.45), 0 0 0 0 rgba(111,66,193,0); transform: scale(1); }
    }
    /* Desktop: un poco mas grande */
    @media (min-width: 769px) {
        .btn-cta-pulse {
            padding: 20px 16px;
            font-size: 1.2rem;
        }
    }
    /* Respetar reduce-motion */
    @media (prefers-reduced-motion: reduce) {
        .btn-cta-pulse { animation: none; }
    }
    .btn-outline {
        width: 100%;
        padding: 14px;
        background: var(--card-bg);
        color: var(--cb-orange);
        border: 2px solid var(--cb-orange);
        border-radius: 14px;
        font-size: 1rem;
        font-weight: 700;
        cursor: pointer;
        margin-top: 8px;
        transition: all 0.2s;
    }
    .btn-outline:hover { background: var(--bg-tertiary); }
    .btn-outline:disabled { border-color: var(--text-tertiary); color: var(--text-tertiary); cursor: not-allowed; }
    .login-link {
        margin-top: 20px;
        font-size: 0.85rem;
        color: var(--text-secondary);
    }
    .login-link a { color: var(--cb-orange); font-weight: 600; text-decoration: none; }

    .alert-error {
        background: #FFE5E5; color: #D32F2F;
        padding: 12px 16px; border-radius: 12px;
        margin-bottom: 16px; font-size: 0.9rem;
    }
    .alert-success {
        background: #E8F5E9; color: #2E7D32;
        padding: 12px 16px; border-radius: 12px;
        margin-bottom: 16px; font-size: 0.9rem;
    }
    .alert-info {
        background: #FCE4EC; color: #AD1457;
        padding: 12px 16px; border-radius: 12px;
        margin-bottom: 16px; font-size: 0.9rem;
    }

    .code-input {
        letter-spacing: 8px;
        text-align: center;
        font-size: 1.5rem;
        font-weight: 700;
    }
    .link-btn {
        background: none; border: none;
        color: var(--text-secondary); font-size: 0.85rem;
        cursor: pointer; margin-top: 12px;
    }
    .link-btn:hover { color: var(--cb-orange); }

    .phone-row {
        display: flex; gap: 8px; align-items: center;
    }
    .phone-prefix {
        flex: 0 0 60px;
        padding: 12px 8px;
        border: 2px solid var(--input-border);
        border-radius: 12px;
        font-size: 0.95rem;
        text-align: center;
        background: var(--bg-tertiary);
        color: var(--text-secondary);
    }
    .phone-row input { flex: 1; }

    .countdown { color: var(--text-secondary); font-size: 0.8rem; margin-top: 8px; }

    .btn-biometric {
        width: 100%;
        padding: 14px;
        background: linear-gradient(135deg, var(--cb-magenta) 0%, var(--cb-magenta-dark) 50%, #9C27B0 100%);
        color: #fff;
        border: none;
        border-radius: 14px;
        font-size: 1rem;
        font-weight: 700;
        cursor: pointer;
        margin-top: 8px;
        transition: background 0.2s;
        box-shadow: 0 4px 14px rgba(216,27,96,0.35);
    }

    .btn-whatsapp {
        width: 100%;
        padding: 14px;
        background: linear-gradient(135deg, #25D366, #128C7E);
        color: #fff;
        border: none;
        border-radius: 14px;
        font-size: 1rem;
        font-weight: 700;
        cursor: pointer;
        margin-top: 8px;
        transition: all 0.2s;
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
    }
    .btn-whatsapp:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35); }
    .btn-whatsapp:disabled { opacity: 0.6; cursor: not-allowed; }
    .btn-whatsapp i { margin-right: 6px; font-size: 1.1rem; }
    .btn-biometric:hover { background: linear-gradient(135deg, #C2185B 0%, #AD1457 50%, #6A1B9A 100%); }
    .btn-biometric:disabled { opacity: 0.5; cursor: not-allowed; }
    .btn-biometric i { margin-right: 6px; }

    /* ===== OAUTH BUTTONS ===== */
    .oauth-divider {
        display: flex; align-items: center; gap: 12px;
        margin: 20px 0 14px;
        color: var(--text-tertiary); font-size: 0.8rem;
    }
    .oauth-divider::before, .oauth-divider::after {
        content: ''; flex: 1; height: 1px; background: var(--input-border);
    }
    .btn-oauth {
        display: flex; align-items: center; justify-content: center; gap: 10px;
        width: 100%;
        padding: 12px;
        background: var(--card-bg);
        color: var(--text-primary);
        border: 1.5px solid var(--input-border);
        border-radius: 12px;
        font-size: 0.95rem;
        font-weight: 600;
        cursor: pointer;
        margin-bottom: 10px;
        transition: all 0.2s;
    }
    .btn-oauth:hover { background: var(--bg-tertiary); border-color: var(--text-secondary); }
    .btn-oauth:disabled { opacity: 0.6; cursor: not-allowed; }
    .btn-oauth img { width: 20px; height: 20px; }
    .btn-oauth-google { }
    .btn-oauth-microsoft { }

    /* User found/not found card */
    .user-hint {
        padding: 14px 16px;
        background: var(--cb-primary-lighter);
        border-radius: 12px;
        font-size: 0.92rem;
        color: var(--cb-primary-dark);
        margin-bottom: 16px;
        text-align: center;
    }
    .user-hint strong { color: var(--cb-primary-dark); font-weight: 700; }

    /* Spinner small */
    .spin-sm { display: inline-block; animation: spinnn 0.8s linear infinite; }
    @keyframes spinnn { to { transform: rotate(360deg); } }

    /* T-QR: promo del local como FLASH rotativo compacto (viene de "Registrarme"
       via ?pr=&pm=). Alterna 2 mensajes en el mismo espacio -> ocupa poco. */
    .cb-promo-flash {
        display: flex;
        align-items: center;
        gap: 12px;
        background: linear-gradient(135deg, var(--cb-primary) 0%, var(--cb-magenta-dark) 60%, var(--cb-magenta) 100%);
        border-radius: 14px;
        padding: 12px 16px;
        margin-bottom: 16px;
        box-shadow: 0 6px 20px rgba(216,27,96,0.32);
        overflow: hidden;
    }
    .cb-promo-flash .cb-promo-flash-icon {
        font-size: 1.25rem;
        color: #fff;
        flex-shrink: 0;
    }
    /* Logo ComBack al lado del mensaje rotativo (blanco sobre el gradiente) */
    .cb-promo-flash .cb-promo-flash-logo {
        height: 30px;
        width: auto;
        flex-shrink: 0;
        filter: brightness(0) invert(1); /* forzar blanco sobre el flash magenta */
    }
    .cb-promo-flash .cb-promo-flash-track {
        position: relative;
        flex: 1;
        min-height: 2.5em;
    }
    .cb-promo-flash .cb-promo-flash-msg {
        position: absolute;
        top: 50%; left: 0; right: 0;
        /* Estado "en espera": fuera a la DERECHA (invisible) */
        transform: translate(108%, -50%);
        margin: 0;
        color: #fff;
        font-weight: 700;
        font-size: 0.86rem;
        line-height: 1.3;
        opacity: 0;
        transition: transform 0.55s cubic-bezier(.4,0,.2,1), opacity 0.55s ease;
        text-shadow: 0 1px 4px rgba(0,0,0,0.2);
    }
    /* Mensaje visible: centrado */
    .cb-promo-flash .cb-promo-flash-msg.active {
        transform: translate(0, -50%);
        opacity: 1;
    }
    /* Mensaje saliente: se desliza hacia la IZQUIERDA */
    .cb-promo-flash .cb-promo-flash-msg.leaving {
        transform: translate(-108%, -50%);
        opacity: 0;
    }
    @media (prefers-reduced-motion: reduce) {
        .cb-promo-flash .cb-promo-flash-msg { transition: opacity 0.4s ease; transform: translate(0, -50%); }
        .cb-promo-flash .cb-promo-flash-msg.leaving { transform: translate(0, -50%); }
    }
    .cb-promo-flash .cb-promo-flash-msg strong { font-size: 1.15rem; font-weight: 900; }