:root {
    --bg: #0f1320;
    --panel: #1a2030;
    --panel-2: #232a3d;
    --text: #e6e9f2;
    --muted: #9aa3b8;
    --accent: #4ea1ff;
    --accent-2: #5dd6c0;
    --danger: #ff6b6b;
    --border: #2a3148;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.45;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 12px;
}
.site-header .brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
}
.site-header nav a {
    margin-left: 16px;
    color: var(--muted);
}
.site-header nav a:hover { color: var(--text); }

.site-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

.site-footer {
    text-align: center;
    color: var(--muted);
    padding: 18px;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

.hero {
    background: var(--panel);
    padding: 28px;
    border-radius: 14px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}
.hero h1 { margin: 0 0 8px; }

.size-picker {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 14px 0;
}
.size-picker select {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 8px 10px;
    border-radius: 8px;
}

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: #08111f;
    padding: 10px 18px;
    border-radius: 10px;
    font-weight: 600;
    border: 0;
    cursor: pointer;
}
.btn-primary:hover { background: var(--accent-2); text-decoration: none; }

.leaderboard {
    background: var(--panel);
    border-radius: 14px;
    border: 1px solid var(--border);
    padding: 20px;
}
.leaderboard table {
    width: 100%;
    border-collapse: collapse;
}
.leaderboard th, .leaderboard td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
}
.leaderboard th { color: var(--muted); font-weight: 600; }

.game-wrap {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 20px;
    align-items: start;
}
@media (max-width: 800px) {
    .game-wrap { grid-template-columns: 1fr; }
}

.hud {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}
.hud h2, .hud h3 { margin: 0 0 8px; }
.hud .controls { list-style: none; padding: 0; margin: 0; color: var(--muted); }
.hud .controls li { padding: 2px 0; }
#next { background: #0a0f1c; border-radius: 8px; display: block; margin: 8px 0; }

.board-wrap {
    position: relative;
    display: inline-block;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
}
#board {
    display: block;
    background: #06090f;
    border-radius: 6px;
    image-rendering: pixelated;
}

.overlay {
    position: absolute;
    inset: 12px;
    background: rgba(6, 9, 15, .85);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}
.overlay[hidden] { display: none; }
.overlay-card {
    background: var(--panel-2);
    padding: 22px 26px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border);
}
.overlay-card button {
    background: var(--accent);
    color: #08111f;
    border: 0;
    padding: 10px 22px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    margin-top: 8px;
}

dialog#submit-dialog {
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    border-radius: 12px;
    padding: 20px;
    max-width: 420px;
    width: 90%;
}
dialog#submit-dialog::backdrop { background: rgba(0,0,0,.6); }
dialog#submit-dialog input {
    width: 100%;
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 8px 10px;
    border-radius: 8px;
    margin-top: 6px;
}
dialog#submit-dialog .hint { color: var(--muted); font-size: .85rem; }
dialog#submit-dialog menu {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 0;
    margin: 12px 0 0;
}
dialog#submit-dialog button {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
}
dialog#submit-dialog button.btn-primary {
    background: var(--accent);
    color: #08111f;
    border-color: var(--accent);
}

/* --- Consent Overlay (Cookie-Einwilligung) --- */
.consent-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6, 9, 15, .78);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 16px;
}
.consent-overlay[hidden] { display: none; }
.consent-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px 24px;
    max-width: 520px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0,0,0,.55);
}
.consent-card h2 { margin: 0 0 10px; font-size: 1.2rem; }
.consent-card p  { margin: 0 0 10px; color: var(--muted); font-size: .95rem; }
.consent-card .consent-detail { font-size: .85rem; }
.consent-card code {
    background: var(--panel-2);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: .85em;
}
.consent-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}
.consent-actions button {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 9px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}
.consent-actions button.btn-primary {
    background: var(--accent);
    color: #08111f;
    border-color: var(--accent);
}
body.consent-locked { overflow: hidden; }

.legal { background: var(--panel); padding: 24px; border-radius: 12px; border: 1px solid var(--border); }
.legal h1 { margin-top: 0; }