:root {
    --bg: #05060d;
    --panel: rgba(18, 22, 40, 0.88);
    --panel-border: #252c4a;
    --text: #dfe4f5;
    --muted: #8a91ad;
    --accent: #4fd1ff;
    --accent-2: #a77bff;
    --good: #52d68a;
    --warn: #f5c542;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    background-image:
        radial-gradient(1px 1px at 20% 30%, #fff8 50%, transparent 51%),
        radial-gradient(1px 1px at 70% 80%, #fff6 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 40% 60%, #fffa 50%, transparent 51%),
        radial-gradient(1px 1px at 90% 10%, #fff7 50%, transparent 51%),
        radial-gradient(ellipse at 15% 0%, #1b1f4a 0%, transparent 55%),
        radial-gradient(ellipse at 100% 100%, #2a1240 0%, transparent 50%);
    background-size: 230px 230px, 310px 310px, 410px 410px, 170px 170px, 100% 100%, 100% 100%;
    background-attachment: fixed;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .6em; }
h2 { color: var(--accent); }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .8rem 1.5rem;
    background: rgba(5, 6, 13, .85);
    border-bottom: 1px solid var(--panel-border);
}
.brand { font-size: 1.4rem; font-weight: 700; color: var(--text); letter-spacing: .04em; }
.brand:hover { text-decoration: none; }
.brand span, .hero h1 span { color: var(--accent); }
.topbar nav { display: flex; gap: .3rem; }
.topbar nav a { padding: .35rem .8rem; border-radius: 6px; color: var(--muted); }
.topbar nav a:hover { color: var(--text); background: #ffffff10; text-decoration: none; }
.topbar nav a.active { color: var(--bg); background: var(--accent); }

.container { width: 100%; max-width: 960px; margin: 0 auto; padding: 1.5rem 1rem 3rem; flex: 1; }
.footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 1.2rem; }

.hero { text-align: center; padding: 3rem 1rem 2rem; }
.hero h1 { font-size: 3.4rem; letter-spacing: .03em; }
.hero p { max-width: 640px; margin: 0 auto 1rem; }

.muted { color: var(--muted); }
.small { font-size: .88rem; }

.card, .round {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 1.3rem 1.5rem;
    backdrop-filter: blur(4px);
}
.card h2 { font-size: 1.1rem; margin-top: 1.4rem; }

.rounds { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.2rem; }
.round { display: flex; flex-direction: column; border-left: 4px solid var(--muted); }
.round.running { border-left-color: var(--good); }
.round.planned { border-left-color: var(--warn); }
.round p { margin: 0 0 .8rem; }
.round .btn { margin-top: auto; align-self: flex-start; }
.round-head { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.round-head h3 { margin: 0; }

.badge { padding: .05rem .6rem; border-radius: 999px; font-size: .8rem; border: 1px solid var(--muted); color: var(--muted); }
.badge.running { border-color: var(--good); color: var(--good); }
.badge.planned { border-color: var(--warn); color: var(--warn); }

.btn {
    display: inline-block;
    padding: .5rem 1.1rem;
    border-radius: 6px;
    border: 1px solid var(--panel-border);
    background: #1d2340;
    color: var(--text);
    font-weight: 600;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: linear-gradient(135deg, #1aa6d9, #6b4fd8); border-color: transparent; color: #fff; }

@media (max-width: 640px) {
    .hero h1 { font-size: 2.4rem; }
    .topbar { padding: .7rem 1rem; }
}

/* Logo: auf kleinen Bildschirmen nur "lD" */
.brand-short { display: none; }
.brand .brand-long span, .brand .brand-short span { color: var(--accent); }
@media (max-width: 640px) {
    .brand-long { display: none; }
    .brand-short { display: inline; }
}
.brand > .brand-long, .brand > .brand-short { color: var(--text); }