/* top menu — overlay slides from top; mobile: hamburger */
.welcome-top-mobile-backdrop {
    position: fixed;
    inset: 0;
    z-index: 61;
    border: none;
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s ease, visibility 0.22s ease;
}
.welcome-top-mobile-backdrop.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.welcome-nav-hamburger {
    display: none;
    position: fixed;
    top: calc(30px + env(safe-area-inset-top, 0px));
    right: 30px;
    z-index: 64;
    width: 31px;
    height: 31px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 0;
    border: 2px solid var(--purple);
    border-radius: var(--radius);
    background: rgba(83, 74, 183, 0.22);
    color: var(--purple-l);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: border-color 0.15s, background 0.15s;
}
.welcome-nav-hamburger:hover,
.welcome-nav-hamburger:focus-visible {
    border-color: var(--pink-l);
    background: rgba(83, 74, 183, 0.35);
    outline: none;
}
.welcome-nav-hamburger-bar {
    display: block;
    width: 14px;
    height: 2px;
    background: var(--purple-l);
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.welcome-nav-hamburger--open .welcome-nav-hamburger-bar:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}
.welcome-nav-hamburger--open .welcome-nav-hamburger-bar:nth-child(2) {
    opacity: 0;
}
.welcome-nav-hamburger--open .welcome-nav-hamburger-bar:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}
.welcome-top-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 62;
    padding: calc(20px + env(safe-area-inset-top, 0px)) 24px 20px;
    background: linear-gradient(to bottom, rgba(7, 7, 15, 0.96) 0%, rgba(7, 7, 15, 0.55) 100%);
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    transition: transform 0.42s cubic-bezier(0.32, 0.72, 0.32, 1);
    pointer-events: none;
    will-change: transform;
}
.welcome-top-menu.welcome-top-menu--open {
    transform: translateY(0);
    pointer-events: auto;
}
@media (prefers-reduced-motion: reduce) {
    .welcome-top-menu {
        transition-duration: 0.08s;
    }
}
.welcome-top-menu-inner {
    width: 100%;
    max-width: 26rem;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 20px;
    align-items: center;
    justify-content: flex-end;
}
.welcome-top-menu .nav-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    font-family: var(--font);
    font-size: 10px;
    letter-spacing: 0.5px;
    color: var(--purple-l);
    cursor: pointer;
    white-space: nowrap;
    padding: 4px 2px;
    border: none;
    background: none;
    transition: color 0.15s;
}
.welcome-top-menu .nav-link:hover {
    color: var(--pink-l);
    text-decoration: underline;
    text-underline-offset: 4px;
}
.device-tag-panel .btn.btn--prefill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 11px;
    border-radius: var(--radius);
    letter-spacing: 0.5px;
    border: 2px solid var(--purple);
    color: var(--purple-l);
    background: rgba(83, 74, 183, 0.15);
    transition: background 0.15s, border-color 0.15s;
    white-space: nowrap;
}
.device-tag-panel .btn.btn--prefill:hover {
    background: rgba(83, 74, 183, 0.28);
    border-color: var(--pink-l);
}
.welcome-nav-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    z-index: 80;
    width: min(50rem, calc(100vw - 48px));
    max-width: 100%;
    min-height: 50vh;
    padding: 25px 27px;
    border: 2px solid var(--purple);
    border-radius: 6px;
    background: rgba(12, 10, 28, 0.98);
    color: var(--purple-l);
    font-family: var(--font);
    font-size: 10px;
    line-height: 1.8;
    letter-spacing: 0.5px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55);
}
.welcome-nav-dialog::backdrop {
    background: rgba(0, 0, 0, 0.72);
}
.welcome-nav-dialog h2 {
    font-size: 9px;
    font-weight: normal;
    color: var(--teal);
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.welcome-nav-dialog p {
    margin-bottom: 10px;
}
.welcome-nav-dialog p:last-of-type {
    margin-bottom: 14px;
}
.welcome-nav-dialog a {
    color: var(--pink-l);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.welcome-nav-dialog code {
    font-size: 7px;
    color: var(--teal);
    word-break: break-word;
}
.welcome-nav-dialog .welcome-nav-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 4px;
}
.welcome-nav-dialog-close-btn {
    background: none;
    border: 1px solid var(--purple);
    border-radius: 4px;
    color: var(--purple-l);
    font-family: var(--font);
    font-size: 7px;
    padding: 7px 14px;
    cursor: pointer;
    letter-spacing: 1px;
    transition: border-color 0.15s, color 0.15s;
}
.welcome-nav-dialog-close-btn:hover {
    border-color: var(--pink-l);
    color: var(--pink-l);
}
.welcome-nav-dialog .btn.btn--prefill {
    padding: 8px 12px;
    font-size: 8px;
}
@media (max-width: 640px) {
    .welcome-nav-hamburger {
        display: flex;
    }
    .welcome-top-menu-inner {
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        max-width: none;
        gap: 8px;
    }
    .welcome-top-menu .nav-link {
        width: 100%;
        justify-content: center;
        padding: 10px 2px;
        font-size: 8px;
        letter-spacing: 0;
    }
}
@media (max-width: 520px) {
    .welcome-top-menu-inner {
        gap: 6px;
    }
    .welcome-top-menu .nav-link {
        padding: 9px 2px;
        font-size: 7px;
    }
}