.znode-welcome {
    --welcome-bg: var(--zn-member-bg-app, #070b12);
    --welcome-panel: var(--zn-member-bg-card, #111721);
    --welcome-text: var(--zn-member-text-primary, #f5f7fb);
    --welcome-muted: var(--zn-member-text-secondary, #aab1bd);
    --welcome-border: var(--zn-member-border, rgba(255, 255, 255, .15));
    --welcome-accent: var(--zn-member-accent, #54d7ed);
    --welcome-accent-soft: var(--zn-member-accent-surface, rgba(84, 215, 237, .15));
    position: fixed;
    inset: 0;
    z-index: 7000;
    overflow: auto;
    color: var(--welcome-text);
    background:
        radial-gradient(circle at 50% 43%, color-mix(in srgb, var(--welcome-accent) 13%, transparent), transparent 37%),
        radial-gradient(circle at 10% 8%, color-mix(in srgb, var(--welcome-accent) 8%, transparent), transparent 25%),
        var(--welcome-bg);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    transition: color .3s ease, background-color .3s ease;
}

.znode-welcome::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .16;
    background-image:
        linear-gradient(color-mix(in srgb, var(--welcome-border) 40%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--welcome-border) 40%, transparent) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: radial-gradient(circle at center, #000, transparent 72%);
}

.znode-welcome__shell {
    position: relative;
    min-height: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: clamp(28px, 5vh, 64px) clamp(24px, 6vw, 88px) 28px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

.znode-welcome__brand {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 14px;
    color: var(--welcome-text);
    text-decoration: none;
    cursor: pointer;
    border-radius: 10px;
}

.znode-welcome__brand:hover {
    color: var(--welcome-accent);
}

.znode-welcome__brand:focus-visible {
    outline: 2px solid var(--welcome-accent);
    outline-offset: 8px;
}

.znode-welcome__brand img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.znode-welcome__brand-copy {
    display: grid;
    gap: 3px;
}

.znode-welcome__brand-copy strong {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: .22em;
}

.znode-welcome__brand-copy small {
    color: var(--welcome-muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.znode-welcome__brand:hover small {
    color: var(--welcome-accent);
}

.znode-welcome__intro {
    margin: clamp(54px, 8vh, 104px) auto 0;
    max-width: 850px;
    text-align: center;
}

.znode-welcome__eyebrow {
    margin: 0 0 12px;
    color: var(--welcome-accent);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .25em;
    text-transform: uppercase;
}

.znode-welcome h1 {
    margin: 0;
    color: var(--welcome-text);
    font-size: clamp(52px, 6.5vw, 92px);
    line-height: .98;
    letter-spacing: -.055em;
}

.znode-welcome__intro p:last-child {
    margin: 22px auto 0;
    max-width: 680px;
    color: var(--welcome-muted);
    font-size: clamp(17px, 1.5vw, 22px);
    line-height: 1.55;
}

.znode-welcome__themes {
    width: 100%;
    margin: clamp(55px, 8vh, 96px) auto 0;
}

.znode-welcome__theme-heading {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 22px;
}

.znode-welcome__theme-heading h2 {
    margin: 0;
    font-size: 14px;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.znode-welcome__info-button {
    width: 27px;
    height: 27px;
    border: 1px solid var(--welcome-border);
    border-radius: 50%;
    color: var(--welcome-accent);
    background: var(--welcome-panel);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.znode-welcome__info {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    width: min(390px, calc(100vw - 44px));
    box-sizing: border-box;
    transform: translateX(-50%);
    padding: 14px 16px;
    border: 1px solid var(--welcome-border);
    border-radius: 14px;
    color: var(--welcome-text);
    background: color-mix(in srgb, var(--welcome-panel) 94%, transparent);
    box-shadow: 0 16px 50px rgba(0, 0, 0, .28);
    font-size: 14px;
    line-height: 1.45;
    text-align: left;
}

.znode-welcome__theme-picker {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    align-items: center;
    gap: 14px;
}

.znode-welcome__arrow {
    width: 42px;
    height: 42px;
    border: 1px solid var(--welcome-border);
    border-radius: 50%;
    color: var(--welcome-text);
    background: color-mix(in srgb, var(--welcome-panel) 90%, transparent);
    cursor: pointer;
    font-size: 24px;
}

.znode-welcome__arrow:hover,
.znode-welcome__arrow:focus-visible,
.znode-welcome__info-button:hover,
.znode-welcome__info-button:focus-visible {
    border-color: var(--welcome-accent);
    outline: none;
}

.znode-welcome__theme-list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: 118px;
    gap: clamp(10px, 1.5vw, 24px);
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    padding: 12px 5px 18px;
}

.znode-welcome__theme-list::-webkit-scrollbar { display: none; }

.znode-welcome__theme {
    appearance: none;
    border: 0;
    padding: 0;
    color: var(--welcome-muted);
    background: transparent;
    font: inherit;
    cursor: pointer;
    scroll-snap-align: center;
}

.znode-welcome__theme-orb {
    position: relative;
    display: block;
    width: 90px;
    height: 90px;
    margin: 0 auto 13px;
    overflow: hidden;
    border: 2px solid color-mix(in srgb, var(--welcome-border) 90%, transparent);
    border-radius: 50%;
    background:
        radial-gradient(circle at 70% 22%, var(--theme-3) 0, transparent 26%),
        radial-gradient(ellipse at 50% 78%, var(--theme-4) 0, transparent 46%),
        linear-gradient(155deg, var(--theme-1) 10%, var(--theme-2) 58%, var(--theme-4) 110%);
    box-shadow: inset 0 0 28px rgba(255, 255, 255, .08), 0 10px 30px rgba(0, 0, 0, .22);
    transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.znode-welcome__theme-orb::after {
    content: "";
    position: absolute;
    left: -18%;
    right: -18%;
    bottom: -16%;
    height: 55%;
    border-radius: 50% 50% 0 0;
    background: linear-gradient(180deg, color-mix(in srgb, var(--theme-3) 70%, transparent), var(--theme-1));
    transform: rotate(-8deg);
    filter: blur(1px);
    opacity: .78;
}

.znode-welcome__theme-name {
    display: block;
    min-height: 36px;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.25;
}

.znode-welcome__theme:hover .znode-welcome__theme-orb { transform: translateY(-4px); }

.znode-welcome__theme[aria-pressed="true"] { color: var(--welcome-accent); }
.znode-welcome__theme[aria-pressed="true"] .znode-welcome__theme-orb {
    border-color: var(--welcome-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--welcome-accent) 22%, transparent), 0 0 32px color-mix(in srgb, var(--welcome-accent) 38%, transparent);
}

.znode-welcome__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: clamp(42px, 6vh, 72px);
}

.znode-welcome__action {
    min-width: 210px;
    min-height: 58px;
    padding: 14px 25px;
    border: 1px solid var(--welcome-border);
    border-radius: 999px;
    color: var(--welcome-text);
    background: color-mix(in srgb, var(--welcome-panel) 86%, transparent);
    font: inherit;
    font-size: 16px;
    font-weight: 750;
    cursor: pointer;
    transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.znode-welcome__action:hover { transform: translateY(-2px); border-color: var(--welcome-accent); }
.znode-welcome__action--primary {
    border-color: var(--welcome-accent);
    color: var(--zn-member-primary-text, #071018);
    background: var(--welcome-accent);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--welcome-accent) 24%, transparent);
}

.znode-welcome__footer {
    margin-top: auto;
    padding-top: 46px;
    color: var(--welcome-muted);
    font-size: 12px;
    letter-spacing: .08em;
    text-align: center;
}

.znode-welcome[hidden] { display: none; }

@media (max-width: 720px) {
    .znode-welcome__shell { padding-inline: 18px; }
    .znode-welcome__intro { margin-top: 48px; }
    .znode-welcome__themes { margin-top: 52px; }
    .znode-welcome__theme-picker { grid-template-columns: 34px minmax(0, 1fr) 34px; gap: 7px; }
    .znode-welcome__arrow { width: 34px; height: 34px; font-size: 19px; }
    .znode-welcome__theme-list { grid-auto-columns: 104px; }
    .znode-welcome__theme-orb { width: 78px; height: 78px; }
    .znode-welcome__actions { flex-direction: column; }
    .znode-welcome__action { width: min(100%, 340px); }
}

@media (prefers-reduced-motion: reduce) {
    .znode-welcome *, .znode-welcome *::before, .znode-welcome *::after { scroll-behavior: auto !important; transition: none !important; }
}