:root {
    --uop-accent:  #1a1a1a;
    --uop-radius:  8px;
    --uop-white:   #ffffff;
    --uop-border:  #e0e0e0;
    --uop-danger:  #c62828;
}

/* Ícono en menú — desktop */
.uop-login-item { display: flex !important; align-items: center; }
.uop-login-link {
    display: inline-flex !important; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 6px;
    background: var(--ast-global-color-0, #a68966);
    color: #fff !important; opacity: 1;
    transition: opacity .15s; padding: 0 !important;
    margin-left: 8px;
}
.uop-login-link:hover { opacity: .85; }
.uop-login-link svg { display: block; stroke: #fff; }

/* Botón flotante fijo — mismo estilo que el carrito de Astra */
.uop-header-login-btn {
    position: fixed !important;
    top: 14px !important;
    left: 68px !important;
    z-index: 999999 !important;
    width: 32px !important;
    height: 32px !important;
    background: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    display: none;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    padding: 0 !important;
}
.uop-header-login-btn svg {
    display: block;
    stroke: #fff;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,.5));
    pointer-events: none;
    width: 22px;
    height: 22px;
}

@media (max-width: 768px) {
    .uop-header-login-btn { display: flex !important; }
}

/* Modal overlay */
.uop-modal { display: none; position: fixed; inset: 0; z-index: 99999; }
.uop-modal:not([hidden]) { display: block; }
.uop-modal__overlay { position: absolute; inset: 0; background: rgba(0,0,0,.55); backdrop-filter: blur(2px); }

/* Modal box */
.uop-modal__box {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    background: var(--uop-white); border-radius: var(--uop-radius);
    padding: 36px 32px; width: 360px; max-width: calc(100vw - 32px);
    box-shadow: 0 8px 40px rgba(0,0,0,.2);
}
.uop-modal__close {
    position: absolute; top: 12px; right: 12px;
    background: none; border: none; cursor: pointer; color: #999; padding: 4px;
}
.uop-modal__close:hover { color: #333; }
.uop-modal__logo { text-align: center; margin-bottom: 20px; }
.uop-modal__logo-img { max-width: 120px; height: auto; }
.uop-modal__brand { font-size: 18px; font-weight: 700; }
.uop-modal__title { font-size: 18px; font-weight: 700; text-align: center; margin-bottom: 20px; }

.uop-modal__error {
    background: #fce4ec; color: var(--uop-danger);
    padding: 10px 14px; border-radius: var(--uop-radius);
    font-size: 13px; margin-bottom: 14px;
}

.uop-modal__field { margin-bottom: 16px; }
.uop-modal__field label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; text-transform: uppercase; letter-spacing: .5px; color: #555; }
.uop-modal__field input {
    width: 100%; padding: 10px 12px; border: 1px solid var(--uop-border);
    border-radius: var(--uop-radius); font-size: 14px;
}
.uop-modal__field input:focus { outline: none; border-color: var(--uop-accent); }

.uop-modal__submit {
    width: 100%; padding: 12px; background: var(--uop-accent); color: var(--uop-white);
    border: none; border-radius: var(--uop-radius); font-size: 15px; font-weight: 600;
    cursor: pointer; margin-top: 4px; transition: opacity .15s;
}
.uop-modal__submit:hover { opacity: .85; }
.uop-modal__submit:disabled { opacity: .5; cursor: not-allowed; }