/* Hangman — Slate theme */
:root {
    --hm-accent: #94A3B8;
    --hm-accent-light: #CBD5E1;
    --hm-accent-dark: #475569;
    --hm-bg: #0E1320;
    --hm-surface: #1B2030;
    --hm-surface-light: #283042;
    --hm-text: #E2E8F0;
    --hm-text-dim: #94A3B8;
    --hm-success: #34D399;
    --hm-danger: #F87171;
    --hm-gold: #FACC15;
    --hm-frame: #94A3B8;
    --hm-rope: #B45309;
}

.hm-layout { display: flex; justify-content: center; gap: 20px; max-width: 1200px; margin: 0 auto; padding: 20px; min-height: calc(100vh - 80px); }
.ad-slot { width: 160px; flex-shrink: 0; }
.ad-slot--left, .ad-slot--right { display: flex; align-items: flex-start; }
.ad-placeholder--vertical { width: 160px; height: 600px; background: var(--hm-surface); border: 1px dashed var(--hm-text-dim); display: flex; align-items: center; justify-content: center; color: var(--hm-text-dim); font-size: 12px; border-radius: 8px; }

#hangman-app { flex: 1; max-width: 720px; min-width: 320px; color: var(--hm-text); }

.screen { display: none; }
.screen.active { display: block; animation: hmFade 0.3s ease; }
@keyframes hmFade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.hm-header { text-align: center; padding: 36px 0 24px; }
.hm-logo {
    color: var(--hm-accent-light);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    line-height: 1.05;
    margin: 0 0 14px;
    text-align: center;
    display: inline-block;
    background: var(--hm-surface);
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid var(--hm-surface-light);
}
.hm-header h1 { font-family: 'Syne', sans-serif; font-size: 2.4rem; font-weight: 800; color: var(--hm-accent-light); letter-spacing: 4px; margin: 0; text-shadow: 0 0 24px rgba(148,163,184,0.4); }
.subtitle { color: var(--hm-text-dim); font-size: 1rem; margin-top: 8px; }

.card { background: var(--hm-surface); border-radius: 14px; padding: 20px; margin-bottom: 16px; border: 1px solid var(--hm-surface-light); }
.card__title { font-family: 'Syne', sans-serif; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; color: var(--hm-accent-light); margin-bottom: 14px; }

.diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.diff-btn { background: var(--hm-surface-light); border: 1.5px solid transparent; color: var(--hm-text); padding: 14px 8px; border-radius: 10px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 4px; font-family: 'DM Sans', sans-serif; font-size: 0.85rem; transition: transform 0.12s ease, border-color 0.12s ease; }
.diff-btn:hover { transform: translateY(-2px); border-color: var(--hm-accent); }
.diff-btn.selected { background: linear-gradient(135deg, var(--hm-accent-dark), var(--hm-accent)); border-color: var(--hm-accent-light); }
.diff-icon { font-size: 1.2rem; }
.diff-desc { font-size: 0.78rem; color: var(--hm-text-dim); }
.diff-btn.selected .diff-desc { color: rgba(255,255,255,0.9); }

.hm-rules { margin: 0; padding-left: 1.1rem; color: var(--hm-text-dim); font-size: 0.92rem; line-height: 1.6; }
.hm-rules li + li { margin-top: 6px; }

.btn { font-family: 'DM Sans', sans-serif; font-weight: 600; border-radius: 10px; border: none; cursor: pointer; padding: 12px 22px; transition: transform 0.12s ease, box-shadow 0.12s ease; font-size: 0.95rem; }
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: linear-gradient(135deg, var(--hm-accent-dark), var(--hm-accent)); color: #fff; box-shadow: 0 6px 18px rgba(148,163,184,0.3); }
.btn--outline { background: transparent; border: 1.5px solid var(--hm-accent); color: var(--hm-accent-light); }
.btn--outline:hover { background: rgba(148,163,184,0.12); }
.btn--ghost { background: transparent; color: var(--hm-text-dim); }
.btn--ghost:hover { color: var(--hm-accent-light); }
.btn--lg { padding: 16px 36px; font-size: 1.05rem; }
.btn--sm { padding: 8px 14px; font-size: 0.85rem; }
.menu-actions { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-top: 18px; }

#game-hud { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; background: var(--hm-surface); padding: 14px; border-radius: 12px; border: 1px solid var(--hm-surface-light); margin-bottom: 18px; }
.hud__cell { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.hud__label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.5px; color: var(--hm-text-dim); }
.hud__value { font-family: 'JetBrains Mono', monospace; font-size: 1.3rem; font-weight: 700; color: var(--hm-accent-light); }

.hm-game {
    background: var(--hm-surface);
    border: 1px solid var(--hm-surface-light);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 18px 36px rgba(0,0,0,0.4);
}
.hm-gallows {
    display: flex; justify-content: center; padding: 12px 0;
}
#hm-svg {
    width: 200px; height: 240px;
}
.hm-frame { stroke: var(--hm-frame); stroke-width: 4; stroke-linecap: round; }
.hm-rope { stroke: var(--hm-rope); }
.hm-part {
    stroke: var(--hm-accent-light);
    stroke-width: 3.5;
    stroke-linecap: round;
    fill: none;
    opacity: 0;
    transition: opacity 0.4s ease;
}
#hm-head { fill: none; }
.hm-part.visible { opacity: 1; }
.hm-part.danger { stroke: var(--hm-danger); }

.hm-word {
    display: flex; justify-content: center; flex-wrap: wrap;
    gap: 8px; padding: 14px 0;
    font-family: 'JetBrains Mono', monospace;
    color: var(--hm-accent-light);
}
.hm-word .ch {
    width: 32px; height: 40px;
    display: inline-flex; align-items: flex-end; justify-content: center;
    border-bottom: 3px solid var(--hm-accent-dark);
    font-size: 1.6rem; font-weight: 800;
    text-transform: uppercase;
    padding-bottom: 4px;
    transition: color 0.3s ease, border-color 0.3s ease;
}
.hm-word .ch.revealed { color: var(--hm-success); border-color: var(--hm-success); }
.hm-word .ch.miss { color: var(--hm-danger); border-color: var(--hm-danger); }
.hm-word .ch.space { border: none; width: 16px; }

.hm-category {
    text-align: center;
    color: var(--hm-text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 14px;
}

.hm-keyboard { display: grid; grid-template-columns: repeat(13, 1fr); gap: 5px; padding: 12px 0 4px; }
.hm-key {
    background: var(--hm-surface-light);
    color: var(--hm-text);
    border: 1.5px solid var(--hm-surface-light);
    padding: 10px 0;
    border-radius: 6px;
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.08s ease, background 0.15s ease;
    text-transform: uppercase;
    font-size: 0.95rem;
}
.hm-key:hover:not(:disabled) { background: var(--hm-accent-dark); transform: translateY(-1px); }
.hm-key:disabled { cursor: not-allowed; opacity: 0.5; }
.hm-key.hit { background: var(--hm-success); color: #fff; border-color: var(--hm-success); }
.hm-key.miss { background: var(--hm-danger); color: #fff; border-color: var(--hm-danger); opacity: 0.7; }

.hm-actions { display: flex; justify-content: center; gap: 10px; margin-top: 16px; }

.result-card, .lb-card { background: var(--hm-surface); border-radius: 16px; padding: 36px 28px; border: 1px solid var(--hm-surface-light); text-align: center; max-width: 480px; margin: 40px auto; box-shadow: 0 18px 36px rgba(0,0,0,0.4); }
.result-card h2 { font-family: 'Syne', sans-serif; font-size: 2rem; color: var(--hm-accent-light); letter-spacing: 4px; margin: 0 0 12px; }
.result-score { font-family: 'JetBrains Mono', monospace; font-size: 3rem; font-weight: 700; color: var(--hm-gold); margin: 8px 0; }
.result-detail { color: var(--hm-text-dim); font-size: 0.95rem; margin-bottom: 18px; line-height: 1.6; }
#nickname { width: 100%; padding: 12px 14px; border-radius: 10px; background: var(--hm-bg); color: var(--hm-text); border: 1.5px solid var(--hm-surface-light); font-family: 'DM Sans', sans-serif; font-size: 0.95rem; margin-bottom: 12px; box-sizing: border-box; }
#nickname:focus { outline: none; border-color: var(--hm-accent); }
.result-actions { display: flex; gap: 10px; justify-content: center; margin-bottom: 10px; }

.lb-card h2 { font-family: 'Syne', sans-serif; color: var(--hm-accent-light); letter-spacing: 4px; margin-bottom: 18px; }
#leaderboard-list { list-style: none; padding: 0; margin: 0 0 16px; text-align: left; counter-reset: lb; }
#leaderboard-list li { counter-increment: lb; display: flex; justify-content: space-between; padding: 10px 14px; background: var(--hm-bg); margin-bottom: 6px; border-radius: 8px; border: 1px solid var(--hm-surface-light); }
#leaderboard-list li::before { content: counter(lb); color: var(--hm-accent-light); font-weight: 700; margin-right: 10px; min-width: 24px; }
#leaderboard-list li:nth-child(1) { border-color: var(--hm-gold); }
#leaderboard-list li:nth-child(1)::before { color: var(--hm-gold); }
#leaderboard-list .lb-score { font-family: 'JetBrains Mono', monospace; color: var(--hm-accent-light); font-weight: 600; }

@media (max-width: 900px) {
    .hm-layout { flex-direction: column; padding: 12px; }
    .ad-slot { width: 100%; }
    .ad-placeholder--vertical { width: 100%; height: 90px; }
    .diff-grid { grid-template-columns: repeat(3, 1fr); }
    .hm-keyboard { grid-template-columns: repeat(7, 1fr); }
    .hm-word .ch { width: 26px; height: 36px; font-size: 1.4rem; }
}