/**
 * Public shell — dark navy theme, typography, page chrome.
 */
:root {
    --pub-bg-0: #060b14;
    --pub-bg-1: #0a1224;
    --pub-bg-2: #0f1c32;
    --pub-accent: #5b8cff;
    --pub-accent-soft: rgba(91, 140, 255, 0.35);
    --pub-text: #e8edf7;
    --pub-text-muted: rgba(232, 237, 247, 0.55);
    --pub-glass: rgba(255, 255, 255, 0.06);
    --pub-glass-edge: rgba(255, 255, 255, 0.14);
    --pub-shadow: 0 24px 80px rgba(0, 8, 24, 0.65);
    --pub-radius: 1rem;
    --pub-font: "Plus Jakarta Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body.public-theme {
    margin: 0;
    min-height: 100vh;
    font-family: var(--pub-font);
    color: var(--pub-text);
    background-color: var(--pub-bg-0);
    background-image:
        radial-gradient(ellipse 120% 80% at 50% -20%, rgba(91, 140, 255, 0.18), transparent 55%),
        radial-gradient(ellipse 90% 60% at 100% 50%, rgba(30, 64, 120, 0.35), transparent 50%),
        radial-gradient(ellipse 70% 50% at 0% 100%, rgba(20, 40, 80, 0.45), transparent 45%),
        linear-gradient(165deg, var(--pub-bg-0) 0%, var(--pub-bg-1) 45%, var(--pub-bg-2) 100%);
    background-attachment: fixed;
}

body.public-theme::before {
    content: "";
    pointer-events: none;
    position: fixed;
    inset: 0;
    background-image: linear-gradient(
            rgba(255, 255, 255, 0.03) 1px,
            transparent 1px
        ),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.45;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 40%, black 20%, transparent 100%);
}

.public-page {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 3rem);
}