/* === Calitina MC Server Base Theme (adapted for Cloudflare Workers) === */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --cyan: #7ee8fa;
    --cyan-dim: rgba(126, 232, 250, 0.55);
    --cyan-glow: rgba(126, 232, 250, 0.2);
    --white: #e8f6ff;
    --dark: rgba(4, 14, 32, 0.6);
    --border: rgba(126, 232, 250, 0.22);
    --gold: #f0c96e;
}

html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--white);
}

/* Background */
.bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: url('../picture/BNG.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.overlay {
    position: fixed;
    inset: 0;
    z-index: 1;
    background: linear-gradient(160deg, rgba(0, 8, 24, .3), rgba(0, 4, 16, .62));
}

.stars {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.star {
    position: absolute;
    border-radius: 50%;
    background: var(--cyan);
    opacity: 0;
    animation: twinkle var(--d, 3s) ease-in-out var(--dl, 0s) infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0; transform: scale(.5); }
    50% { opacity: var(--op, .7); transform: scale(1.3); }
}

/* Base page */
.page {
    position: fixed;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity .5s ease;
}

.page.active {
    opacity: 1;
    pointer-events: all;
}

/* Scrollable inner page */
.inner-page {
    width: 100%;
    max-width: 860px;
    max-height: 88vh;
    overflow-y: auto;
    background: var(--dark);
    border: 1px solid var(--border);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 8px;
    padding: 3rem 3.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--cyan-dim) transparent;
}

.inner-page::-webkit-scrollbar { width: 4px; }
.inner-page::-webkit-scrollbar-thumb {
    background: var(--cyan-dim);
    border-radius: 4px;
}

.inner-title {
    font-family: 'Cinzel', serif;
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    letter-spacing: .25em;
    color: var(--cyan);
    text-align: center;
    margin-bottom: .6rem;
    text-shadow: 0 0 20px rgba(126, 232, 250, .5);
}

.inner-subtitle {
    font-size: .8rem;
    letter-spacing: .3em;
    color: rgba(232, 246, 255, .45);
    text-align: center;
    margin-bottom: 2.2rem;
    text-transform: uppercase;
}

.inner-divider {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
    margin: 0 auto 2.2rem;
}

/* Nav buttons */
.nav-row {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.8rem;
    flex-wrap: wrap;
}

.nav-btn {
    padding: .6rem 2rem;
    border: 1px solid var(--border);
    color: rgba(232, 246, 255, .7);
    font-size: .75rem;
    letter-spacing: .25em;
    cursor: pointer;
    background: rgba(126, 232, 250, .04);
    border-radius: 2px;
    transition: all .3s ease;
    font-family: 'Noto Sans SC', sans-serif;
    text-decoration: none;
}

.nav-btn:hover {
    border-color: var(--cyan-dim);
    color: var(--cyan);
    box-shadow: 0 0 12px var(--cyan-glow);
}

.hint {
    position: fixed;
    bottom: 1.4rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    font-size: .62rem;
    letter-spacing: .3em;
    color: rgba(126, 232, 250, .25);
    text-transform: uppercase;
    pointer-events: none;
}

@media (max-width: 960px) {
    .page { padding: 1.5rem; }
    .inner-page { max-width: 90vw; padding: 2.2rem; }
    .nav-row { gap: .7rem; }
}

@media (max-width: 720px) {
    html, body { height: 100%; overflow: auto; }
    .page { position: relative; min-height: 100vh; padding: 1.2rem; }
    .inner-page { max-height: none; padding: 1.6rem 1.4rem; }
    .inner-title { letter-spacing: .18em; }
    .inner-subtitle { margin-bottom: 1.6rem; }
    .nav-btn { padding: .6rem 1.4rem; }
    .hint { display: none; }
}

@media (max-width: 520px) {
    .inner-page { padding: 1.2rem 1rem; }
    .nav-row { flex-direction: column; }
    .nav-btn { width: 100%; text-align: center; }
}