/* ── Yatzy — Sunset Brass ── */
:root {
    --yt-accent: #B45309;
    --yt-accent-light: #FBBF24;
    --yt-accent-dark: #451A03;
    --yt-glow: rgba(251, 191, 36, 0.5);
    --yt-bg: #1A0C04;
    --yt-felt: #6B2D0A;
    --yt-felt-light: #94400F;
    --yt-surface: #2C170A;
    --yt-surface-light: #3D2010;
    --yt-text: #FEF3C7;
    --yt-text-dim: #D2A56A;
    --yt-die-bg: #FAFAFA;
    --yt-die-bg-locked: #F59E0B;
    --yt-die-dot: #1F2937;
    --yt-gold: #FDE047;
    --yt-success: #4ADE80;
    --yt-danger: #F87171;
}

/* Layout */
.yt-layout {
    display: flex; justify-content: center;
    gap: 20px; max-width: 1400px;
    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(--yt-surface);
    border: 1px dashed var(--yt-text-dim);
    display: flex; align-items: center; justify-content: center;
    color: var(--yt-text-dim); font-size: 12px; border-radius: 8px;
}

#yatzy-app {
    flex: 1;
    max-width: 920px;
    min-width: 320px;
    color: var(--yt-text);
}

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

/* Header */
.yt-header { text-align: center; padding: 36px 0 24px; }
.yt-logo {
    display: inline-flex;
    gap: 8px;
    padding: 12px 18px;
    background: var(--yt-surface);
    border-radius: 12px;
    border: 1px solid var(--yt-surface-light);
    box-shadow: 0 4px 18px rgba(251, 191, 36, 0.15);
    margin-bottom: 16px;
}
.yt-mini-die {
    width: 44px; height: 44px;
    background: var(--yt-die-bg);
    color: var(--yt-die-dot);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    line-height: 1;
}
.yt-mini-die:nth-child(odd) { transform: rotate(-6deg); }
.yt-mini-die:nth-child(even) { transform: rotate(6deg); }
.yt-header h1 {
    font-family: 'Syne', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--yt-accent-light);
    letter-spacing: 8px;
    margin: 12px 0 0;
    text-shadow: 0 0 24px var(--yt-glow);
}
.subtitle { color: var(--yt-text-dim); font-size: 1rem; margin-top: 8px; font-style: italic; }

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

/* Difficulty */
.difficulty-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.diff-btn {
    background: var(--yt-surface-light);
    border: 1.5px solid transparent;
    color: var(--yt-text);
    padding: 16px 8px;
    border-radius: 10px;
    cursor: pointer;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    transition: transform 0.15s ease, border-color 0.15s ease;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
}
.diff-btn:hover { transform: translateY(-2px); border-color: var(--yt-accent-light); }
.diff-btn.selected {
    background: linear-gradient(135deg, var(--yt-accent-dark), var(--yt-accent));
    border-color: var(--yt-accent-light);
    box-shadow: 0 0 16px rgba(251,191,36,0.3);
}
.diff-icon { font-family: 'JetBrains Mono', monospace; font-size: 1.5rem; color: var(--yt-gold); }
.diff-desc { font-size: 0.72rem; color: var(--yt-text-dim); }
.diff-btn.selected .diff-desc { color: rgba(255,255,255,0.85); }

/* Rules */
.yt-rules {
    margin: 0; padding-left: 1.1rem;
    color: var(--yt-text-dim);
    font-size: 0.92rem; line-height: 1.7;
}
.yt-rules li + li { margin-top: 6px; }

/* Buttons */
.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:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn--primary {
    background: linear-gradient(135deg, var(--yt-accent), var(--yt-accent-light));
    color: #fff;
    box-shadow: 0 6px 18px rgba(180,83,9,0.5);
}
.btn--outline {
    background: transparent;
    border: 1.5px solid var(--yt-accent-light);
    color: var(--yt-accent-light);
}
.btn--outline:hover:not(:disabled) { background: rgba(251,191,36,0.12); }
.btn--ghost { background: transparent; color: var(--yt-text-dim); }
.btn--ghost:hover:not(:disabled) { color: var(--yt-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;
}

/* HUD */
#game-hud {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    background: var(--yt-surface);
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--yt-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(--yt-text-dim); }
.hud__value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem; font-weight: 700;
    color: var(--yt-accent-light);
}

/* Board */
.yt-board {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

/* Dice */
.yt-dice-area {
    background: radial-gradient(ellipse at top, var(--yt-felt-light), var(--yt-felt) 80%);
    border-radius: 16px;
    padding: 24px 14px;
    border: 2px solid var(--yt-accent-dark);
    box-shadow: 0 12px 30px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.yt-dice {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    width: 100%;
}
.yt-die {
    aspect-ratio: 1;
    background: var(--yt-die-bg);
    border-radius: 12px;
    box-shadow: inset -3px -3px 6px rgba(0,0,0,0.15), 0 6px 14px rgba(0,0,0,0.4);
    cursor: pointer;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    padding: 12%;
    box-sizing: border-box;
    gap: 4%;
    transition: transform 0.15s ease, background 0.15s ease;
    position: relative;
}
.yt-die.locked {
    background: var(--yt-die-bg-locked);
    box-shadow: 0 0 0 3px var(--yt-gold), inset -3px -3px 6px rgba(0,0,0,0.15);
    transform: scale(0.95);
}
.yt-die.rolling { animation: ytRoll 0.5s linear infinite; }
@keyframes ytRoll {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.yt-die-dot {
    border-radius: 50%;
    background: var(--yt-die-dot);
    width: 100%;
    height: 100%;
    align-self: center;
    justify-self: center;
}
.yt-die-dot.empty { background: transparent; }

/* Roll controls */
.yt-roll-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

/* Scoresheet */
.yt-scoresheet {
    background: var(--yt-surface);
    border-radius: 14px;
    padding: 14px;
    border: 1px solid var(--yt-surface-light);
    max-height: 540px;
    overflow-y: auto;
    font-family: 'DM Sans', sans-serif;
}
.yt-section-title {
    font-family: 'Syne', sans-serif;
    font-size: 0.78rem;
    color: var(--yt-accent-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 6px 4px;
    border-bottom: 1px dashed var(--yt-surface-light);
    margin-top: 6px;
}
.yt-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 6px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
    font-size: 0.88rem;
    border: 1px solid transparent;
}
.yt-row:not(.scored).candidate:hover {
    background: var(--yt-surface-light);
    border-color: var(--yt-accent-light);
}
.yt-row.candidate {
    color: var(--yt-text);
}
.yt-row.scored {
    color: var(--yt-text-dim);
    cursor: default;
}
.yt-row .yt-score {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: var(--yt-accent-light);
    min-width: 40px;
    text-align: right;
}
.yt-row.scored .yt-score { color: var(--yt-gold); }
.yt-row.candidate .yt-preview {
    color: var(--yt-success);
    font-family: 'JetBrains Mono', monospace;
    background: rgba(74,222,128,0.1);
    padding: 2px 8px;
    border-radius: 4px;
}
.yt-row.bonus { background: var(--yt-bg); }
.yt-row.total {
    background: var(--yt-accent-dark);
    color: var(--yt-gold);
    font-weight: 700;
    padding: 10px 6px;
}
.yt-row.total .yt-score { color: var(--yt-gold); font-size: 1.1rem; }

.yt-actions {
    display: flex; justify-content: center;
    flex-wrap: wrap; gap: 10px;
    margin-top: 18px;
}

/* Result */
.result-card, .lb-card {
    background: var(--yt-surface);
    border-radius: 16px;
    padding: 36px 28px;
    border: 1px solid var(--yt-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(--yt-accent-light);
    letter-spacing: 4px;
    margin: 0 0 12px;
}
.result-score {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3rem; font-weight: 700;
    color: var(--yt-gold);
    margin: 8px 0;
}
.result-detail { color: var(--yt-text-dim); font-size: 0.95rem; margin-bottom: 18px; line-height: 1.6; }
#nickname {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--yt-bg);
    color: var(--yt-text);
    border: 1.5px solid var(--yt-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(--yt-accent-light); }
.result-actions { display: flex; gap: 10px; justify-content: center; margin-bottom: 10px; }

.lb-card h2 {
    font-family: 'Syne', sans-serif;
    color: var(--yt-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(--yt-bg);
    margin-bottom: 6px;
    border-radius: 8px;
    border: 1px solid var(--yt-surface-light);
    font-family: 'DM Sans', sans-serif;
}
#leaderboard-list li::before {
    content: counter(lb);
    color: var(--yt-accent-light);
    font-weight: 700;
    margin-right: 10px;
    min-width: 24px;
}
#leaderboard-list li:nth-child(1) { border-color: var(--yt-gold); }
#leaderboard-list li:nth-child(1)::before { color: var(--yt-gold); }
.lb-score { font-family: 'JetBrains Mono', monospace; color: var(--yt-accent-light); font-weight: 600; }

@media (max-width: 900px) {
    .yt-layout { flex-direction: column; padding: 12px; }
    .ad-slot { width: 100%; }
    .ad-placeholder--vertical { width: 100%; height: 90px; }
    .yt-header h1 { font-size: 2rem; letter-spacing: 4px; }
    .yt-board { grid-template-columns: 1fr; }
    .yt-die { padding: 10%; }
    #game-hud { grid-template-columns: repeat(2, 1fr); }
}