:root { --bg: #06080f; --surface: rgba(18, 22, 31, 0.82); --surface-strong: rgba(12, 16, 24, 0.9); --stage-surface: rgba(10, 13, 19, 0.94); --glass: rgba(255, 255, 255, 0.04); --border: rgba(255, 255, 255, 0.08); --border-strong: rgba(255, 255, 255, 0.16); --card-bg: rgba(18, 22, 31, 0.88); --card-shadow: 0 22px 60px rgba(0, 0, 0, 0.38); --surface-shadow: 0 26px 70px rgba(0, 0, 0, 0.52); --text-primary: #f5f7fb; --text-secondary: #cfd4df; --text-muted: #9ea6b5; --accent: #7dd3ff; --accent-strong: #5fb7ff; --warn: #f2b464; --error: #ff6b6b; --success: #6cd69b; --button-bg: #f5f7fb; --button-text: #0b0d12; --button-surface: #202631; --input-bg: rgba(16, 20, 28, 0.9); --radius: 12px; --radius-tight: 8px; --shadow-subtle: 0 24px 60px rgba(0, 0, 0, 0.38); --focus-ring: 0 0 0 2px rgba(125, 211, 255, 0.65), 0 0 0 6px rgba(125, 211, 255, 0.16); --space-12: 12px; --space-16: 16px; --space-24: 24px; --space-32: 32px; } * { box-sizing: border-box; } body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text-primary); font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.01em; position: relative; isolation: isolate; overflow-x: hidden; } body::before { content: ''; position: fixed; inset: 0; pointer-events: none; background-image: url("/chess/assets/bg.jpg"); background-image: image-set( url("/chess/assets/bg.webp") type("image/webp"), url("/chess/assets/bg.jpg") type("image/jpeg") ); background-attachment: fixed; background-size: cover; background-position: left center; background-repeat: no-repeat; filter: blur(4.5px) saturate(0.95) contrast(1.05); opacity: 0.36; transform: scale(1.03); z-index: -2; } body::after { content: ''; position: fixed; inset: 0; pointer-events: none; background: radial-gradient(120% 120% at 50% 40%, rgba(0, 0, 0, 0) 48%, rgba(0, 0, 0, 0.48) 100%), radial-gradient(70% 70% at 15% 20%, rgba(255, 255, 255, 0.04), transparent 38%), linear-gradient(180deg, rgba(4, 7, 12, 0.7) 0%, rgba(4, 7, 12, 0.86) 100%); background-blend-mode: multiply, screen, normal; z-index: -1; } /* Debug: add "debug-bg" class to to verify background. */ body.debug-bg::before { opacity: 0.75; filter: none; } body.debug-bg::after { opacity: 0.3; } .wrap { max-width: 960px; margin: 0 auto; padding: 32px 18px 64px; position: relative; z-index: 1; } h1, h2, h3 { margin: 0 0 10px; font-weight: 800; letter-spacing: 0.015em; } h1 { font-size: clamp(32px, 4vw, 42px); letter-spacing: 0.02em; margin-bottom: 8px; } h2 { font-size: clamp(22px, 2.6vw, 28px); } h3 { font-size: clamp(18px, 2vw, 22px); } p { margin: 0 0 12px; color: var(--text-primary); } a { color: var(--text-secondary); } a:hover { color: var(--text-primary); } a:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-tight); } .subhead { color: var(--text-secondary); font-weight: 650; letter-spacing: 0.02em; margin-bottom: var(--space-16); font-size: clamp(16px, 2vw, 18px); display: flex; gap: var(--space-12); flex-wrap: wrap; align-items: baseline; line-height: 1.5; } .meta-line span { display: inline-flex; align-items: baseline; } .meta-line span + span::before { content: "•"; opacity: 0.6; margin: 0 0.6rem; color: var(--text-muted); } .subhead strong { color: var(--text-primary); letter-spacing: 0.01em; padding: 2px 6px; border-radius: var(--radius-tight); background: rgba(255, 255, 255, 0.04); } .about-link { font-size: 13px; color: var(--text-muted); text-decoration: none; padding: 4px 8px; border-radius: var(--radius-tight); border: 1px solid transparent; transition: color 120ms ease, background 120ms ease, box-shadow 120ms ease, text-decoration-color 120ms ease, border-color 120ms ease, text-underline-offset 120ms ease; } .about-link:hover { color: var(--text-secondary); text-decoration: underline; text-underline-offset: 3px; background: rgba(255, 255, 255, 0.03); border-color: var(--border); } .about-link:focus-visible { outline: none; box-shadow: var(--focus-ring); text-decoration: underline; text-underline-offset: 3px; color: var(--text-secondary); } .project-intro h2 { margin-bottom: 8px; } .sigil-mark { width: 44px; height: 32px; margin: 6px 0 16px; color: var(--text-muted); opacity: 0.9; } .sigil-mark path, .sigil-mark rect { vector-effect: non-scaling-stroke; } .about-section { margin-top: var(--space-32); margin-bottom: var(--space-16); margin-left: auto; margin-right: auto; padding: 24px 20px 18px; background: rgba(255, 255, 255, 0.016); border: 1px solid rgba(255, 255, 255, 0.06); border-radius: var(--radius); max-width: 880px; line-height: 1.62; color: var(--text-secondary); } .about-section h2 { margin-bottom: 8px; font-size: clamp(20px, 2.2vw, 26px); color: var(--text-primary); } .about-section p { color: inherit; max-width: 70ch; margin-left: auto; margin-right: auto; margin-bottom: 14px; } .about-section p + p { margin-top: 6px; } .about-lede { color: var(--text-primary); font-weight: 700; } .about-stanza { margin-top: 18px; color: var(--text-muted); font-style: italic; } #about, #about-heading { scroll-margin-top: 96px; } .card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-24); box-shadow: var(--card-shadow); } .card + .card { margin-top: var(--space-16); } .game-snapshot { margin: 6px 0 18px; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius-tight); background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04); display: flex; flex-direction: column; gap: 8px; } .snapshot-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 2px 0; } .snapshot-row + .snapshot-row { border-top: 1px solid var(--border); padding-top: 9px; margin-top: 5px; } .snapshot-label { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; } .snapshot-value { font-weight: 700; color: var(--text-primary); text-align: right; } .glass-card { background: rgba(255, 255, 255, 0.03); border-color: rgba(255, 255, 255, 0.1); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28); backdrop-filter: blur(8px); } .stage-card { background: var(--stage-surface); border: 1px solid var(--border-strong); box-shadow: var(--surface-shadow); padding: var(--space-24); position: relative; overflow: hidden; } .stage-card::before { content: ''; position: absolute; inset: -1px; border-radius: inherit; background: repeating-linear-gradient(135deg, rgba(125, 211, 255, 0.06), rgba(125, 211, 255, 0.06) 2px, transparent 2px, transparent 12px), linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0)); opacity: 0.12; pointer-events: none; z-index: 0; } .stage-card > * { position: relative; z-index: 1; } .board-container { width: 100%; max-width: 620px; margin: 4px auto 0; } .board-shell { position: relative; width: 100%; aspect-ratio: 1 / 1; } .board-stack { display: flex; flex-direction: column; gap: var(--space-16); } .board-stack .scoreboard { order: -1; width: 100%; max-width: 620px; margin: 0 auto; } .board-stack .board-container { order: 1; } .scoreboard { background: linear-gradient(120deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02)); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 12px 28px rgba(0, 0, 0, 0.28); display: flex; flex-direction: column; gap: 8px; backdrop-filter: blur(4px); position: relative; overflow: hidden; } .scoreboard::after { content: ''; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(circle at 15% 15%, rgba(125, 211, 255, 0.08), transparent 40%); opacity: 0.4; pointer-events: none; z-index: 0; } .scoreboard > * { position: relative; z-index: 1; } .score-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: var(--space-12); } .score-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-tight); background: var(--glass); min-height: 56px; } .score-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 760; } .score-value { font-size: 24px; font-weight: 800; color: var(--text-primary); line-height: 1.1; } .score-last { margin: 0; font-size: 13px; color: var(--text-secondary); } .score-last:not(.show) { display: none; } .board-shell::before { content: ''; display: block; padding-bottom: 100%; } @supports (aspect-ratio: 1 / 1) { .board-shell::before { display: none; padding-bottom: 0; } } .board-shell::after { content: ''; position: absolute; inset: -6px; border: 1px solid rgba(255, 255, 255, 0.1); border-radius: calc(var(--radius) + 2px); opacity: 0.28; pointer-events: none; z-index: 0; } #board { position: absolute; inset: 0; width: 100%; height: 100%; display: grid; grid-template-columns: repeat(10, 1fr); grid-template-rows: repeat(10, 1fr); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 10px; overflow: hidden; background: var(--surface-strong); z-index: 1; } .sq { display: flex; align-items: center; justify-content: center; font-size: 28px; user-select: none; color: var(--text-primary); } .label { display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: var(--text-muted); background: rgba(255, 255, 255, 0.04); } .corner { background: transparent; } .light { background: #f5f7fb; } .dark { background: #7a7d83; } .sq.pick { outline: 3px solid var(--accent); outline-offset: -3px; } .sq.hint { box-shadow: inset 0 0 0 3px rgba(125, 211, 255, 0.65); } .sq.last { box-shadow: inset 0 0 0 3px rgba(255, 215, 0, 0.75); } #board.locked .sq, #board.history-locked .sq { pointer-events: none; } .piece-svg { width: 80%; height: 80%; pointer-events: none; } .piece-img { width: 90%; height: 90%; object-fit: contain; pointer-events: none; user-select: none; display: block; } button, .button-link { padding: var(--space-12) var(--space-16); border-radius: var(--radius-tight); border: 1px solid var(--border-strong); background: var(--button-bg); color: var(--button-text); cursor: pointer; font-size: 14px; font-weight: 700; letter-spacing: 0.01em; transition: background 120ms ease, color 120ms ease, border-color 120ms ease, box-shadow 120ms ease; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; } button:hover, .button-link:hover { background: #ffffff; } button:focus-visible, .button-link:focus-visible, textarea:focus-visible, select:focus-visible, input:focus-visible { outline: none; box-shadow: var(--focus-ring); border-color: var(--accent); } button:disabled { opacity: 0.45; cursor: not-allowed; } button.secondary, .button-link.secondary { background: var(--button-surface); color: var(--text-primary); border-color: var(--border-strong); } .ghost-button { background: var(--glass); color: var(--text-secondary); border-color: var(--border); } .ghost-button:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-primary); } .button-compact { padding: 8px 12px; font-size: 13px; line-height: 1.4; } .controls { display: flex; gap: var(--space-12); flex-wrap: wrap; } .control-bay { margin-top: var(--space-24); display: flex; flex-direction: column; gap: var(--space-12); padding: var(--space-16); border: 1px solid var(--border); border-radius: var(--radius); background: rgba(255, 255, 255, 0.02); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04); } .control-row { display: flex; gap: var(--space-16); align-items: center; justify-content: space-between; flex-wrap: wrap; } .action-row .status-stack { display: flex; flex-direction: column; gap: 6px; flex: 1 1 260px; align-items: flex-start; } .status-line { display: flex; gap: var(--space-12); align-items: center; flex-wrap: wrap; margin: 0; font-size: 14px; color: #e6ebf7; font-weight: 600; } .status-meta { display: flex; align-items: center; gap: 8px; } .pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; background: var(--glass); border: 1px solid var(--border); font-size: 13px; line-height: 1.4; } .action-meta { margin: 0; font-size: 13px; color: var(--text-secondary); letter-spacing: 0.01em; } .action-row .action-stack { display: flex; flex-direction: column; gap: 10px; align-items: flex-end; flex: 0 0 260px; } .primary-buttons { display: flex; gap: var(--space-12); width: 100%; justify-content: flex-end; flex-wrap: wrap; } .primary-buttons button { flex: 1 1 auto; min-width: 140px; } .turnstile-wrap { width: 100%; display: flex; justify-content: flex-end; margin-top: 4px; } .review-row { align-items: center; gap: var(--space-12); } .review-row .history-controls { flex-wrap: wrap; } .control-bay .banner, .control-bay .error-block { width: 100%; margin-top: var(--space-12); } .control-bay .selected-move { margin: 6px 0 0; } .selected-move { margin-top: var(--space-12); font-size: 14px; } .promotion-chooser { position: absolute; inset: 0; display: none; align-items: center; justify-content: center; z-index: 3; } .promotion-chooser.show { display: flex; } .promotion-chooser .promotion-band { background: rgba(255, 255, 255, 0.75); border-radius: 12px; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2); padding: 10px 12px; display: flex; gap: var(--space-12); align-items: center; pointer-events: auto; flex-wrap: wrap; } .promotion-buttons { display: flex; gap: var(--space-12); } .promotion-buttons .promo-btn { background: rgba(255, 255, 255, 0); color: var(--text-primary); border: none; padding: 6px 8px; border-radius: var(--radius); display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 64px; outline: none; } .promotion-buttons .promo-btn.active { border-color: var(--text-primary); box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.08); } .promotion-piece { width: 52px; height: 52px; display: block; } code { background: var(--surface-strong); padding: 2px 6px; border-radius: var(--radius-tight); border: 1px solid var(--border); } .muted { color: var(--text-secondary); } .error { color: var(--error); font-weight: 700; } .ok { color: var(--success); font-weight: 700; } .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; } .score-line { font-size: 12px; color: var(--text-muted); margin-top: var(--space-16); padding-top: 10px; letter-spacing: 0.02em; border-top: 1px solid var(--border); display: block; opacity: 0.9; } textarea, input, select { width: 100%; font-family: ui-monospace, monospace; font-size: 13px; border-radius: var(--radius); border: 1px solid var(--border); padding: 12px; background: var(--input-bg); color: var(--text-primary); transition: border-color 120ms ease, box-shadow 120ms ease; } textarea { min-height: 96px; resize: vertical; } .copy-row { display: flex; align-items: center; gap: var(--space-12); flex-wrap: wrap; margin-top: var(--space-12); } .copy-note { min-width: 70px; color: var(--success); font-weight: 700; } .banner { display: none; margin-top: var(--space-12); padding: 12px 14px; background: rgba(16, 20, 28, 0.7); border: 1px solid var(--border); border-left: 4px solid var(--accent-strong); border-radius: var(--radius); color: var(--text-primary); } .banner.show { display: flex; gap: var(--space-12); align-items: center; justify-content: space-between; flex-wrap: wrap; } .spinner { width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--text-primary); border-radius: 50%; animation: spin 0.8s linear infinite; display: none; } .spinner.show { display: inline-block; } @keyframes spin { to { transform: rotate(360deg); } } .error-block { display: none; margin-top: var(--space-12); padding: 12px; background: rgba(255, 107, 107, 0.1); border: 1px solid rgba(255, 107, 107, 0.4); border-radius: var(--radius); color: var(--error); white-space: pre-line; } .error-block.show { display: block; } .gameover-banner { display: none; margin-top: var(--space-12); padding: 14px; border: 1px solid var(--warn); background: rgba(242, 180, 100, 0.08); border-radius: var(--radius); gap: var(--space-12); } .gameover-banner.show { display: flex; flex-direction: column; } .gameover-banner h3 { margin: 0 0 4px; } #gameOverBody { margin: 0; } .gameover-actions { display: flex; gap: var(--space-12); flex-wrap: wrap; } .history-row { margin-top: var(--space-16); display: flex; flex-direction: column; gap: var(--space-12); } .history-controls { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-12); } .history-buttons { display: flex; gap: var(--space-12); flex-wrap: wrap; } .history-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 999px; background: var(--glass); border: 1px solid var(--border); font-weight: 700; color: var(--text-secondary); min-width: 90px; justify-content: center; text-align: center; } .history-chip.ok { color: var(--success); border-color: rgba(108, 214, 155, 0.5); } .history-chip.error { color: var(--error); border-color: rgba(255, 107, 107, 0.6); } .history-status { font-size: 14px; margin: 0; font-weight: 700; } .extra-actions { display: flex; gap: var(--space-12); flex-wrap: wrap; margin-top: var(--space-12); align-items: center; font-size: 14px; } .board-disabled { pointer-events: none; opacity: 0.6; filter: grayscale(1); } .hidden { display: none !important; } .app-footer { margin-top: var(--space-32); padding: 14px 0 6px; color: var(--text-muted); font-size: 13px; display: flex; justify-content: space-between; gap: var(--space-12); flex-wrap: wrap; border-top: 1px solid var(--border); } .app-footer .footer-note { margin: 0; } .app-footer a { color: var(--text-secondary); text-decoration: none; } .app-footer a:hover, .app-footer a:focus-visible { color: var(--text-primary); text-decoration: underline; text-underline-offset: 3px; } .state-card { display: none; margin-top: var(--space-12); } .copy-status, .resend-status, #redirectNote { color: var(--text-secondary); } .hud-details { margin-top: var(--space-12); display: flex; flex-direction: column; gap: 8px; } .details-toggle { align-self: flex-start; background: var(--glass); color: var(--text-primary); border-color: var(--border); padding: 10px 14px; } .details-toggle:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-primary); } .hud-details-panel { border: 1px solid var(--border); border-radius: var(--radius); background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04); padding: 12px; display: flex; flex-direction: column; gap: 10px; } .hud-details-panel .notation-controls { display: flex; gap: var(--space-12); align-items: center; flex-wrap: wrap; } .hud-details-panel #notationMount { margin-top: 2px; } .game-snapshot { margin: 6px 0 6px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-tight); background: rgba(255, 255, 255, 0.02); box-shadow: none; display: flex; flex-direction: column; gap: 8px; } .details-divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent); margin: 2px 0 4px; opacity: 0.7; } .details-advanced { display: flex; flex-direction: column; gap: 8px; padding-top: 4px; } .details-advanced-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-12); } .details-advanced-title { margin: 0; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--text-secondary); } .notation-grid { display: flex; flex-direction: column; gap: 10px; } .notation-block { display: flex; flex-direction: column; gap: 6px; } .notation-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-12); flex-wrap: wrap; } .notation-label { margin: 0; font-weight: 700; letter-spacing: 0.01em; } .notation-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; } .notation-readout { width: 100%; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: 13px; background: rgba(255, 255, 255, 0.04); color: var(--text-primary); padding: 10px 12px; border-radius: var(--radius-tight); border: 1px solid var(--border); white-space: pre-wrap; overflow-x: hidden; overflow-wrap: anywhere; word-break: break-word; line-height: 1.6; margin: 0; } .notation-readout--fen { white-space: pre; overflow-x: auto; overflow-wrap: normal; word-break: normal; line-height: normal; } .notation-readout--pgn { white-space: pre-wrap; overflow-x: hidden; overflow-wrap: anywhere; word-break: break-word; line-height: 1.6; max-height: 260px; overflow-y: auto; } .back-to-top { position: fixed; right: 18px; bottom: 18px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--glass); color: var(--text-primary); display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 12px 36px rgba(0, 0, 0, 0.44); backdrop-filter: blur(10px); opacity: 0; pointer-events: none; transform: translateY(6px); transition: opacity 140ms ease, transform 140ms ease, background 120ms ease, border-color 120ms ease; z-index: 60; touch-action: manipulation; overflow: visible; } .back-to-top.visible { opacity: 0.92; pointer-events: auto; transform: translateY(0); } .back-to-top:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--border); } .back-to-top:focus-visible { outline: none; box-shadow: var(--focus-ring); } .back-to-top svg { width: 16px; height: 16px; flex: 0 0 16px; display: block; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; } @media (min-width: 1024px) { .wrap { padding-left: 32px; padding-right: 32px; } } @media (max-width: 640px) { .wrap { padding: 24px 14px 48px; } button, .button-link { width: 100%; justify-content: center; } .controls, .history-controls, .extra-actions, .gameover-actions, .copy-row, .primary-buttons { flex-direction: column; align-items: stretch; } .control-bay { padding: var(--space-12); } .copy-note { min-width: auto; } } @media (max-width: 768px) { body::before { filter: blur(3px) saturate(0.95) contrast(1.02); opacity: 0.28; position: absolute; background-attachment: scroll; } body::after { position: absolute; background: radial-gradient(120% 120% at 50% 40%, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0.42) 100%), radial-gradient(70% 70% at 15% 20%, rgba(255, 255, 255, 0.03), transparent 38%), linear-gradient(180deg, rgba(4, 7, 12, 0.7) 0%, rgba(4, 7, 12, 0.84) 100%); } .stage-card { padding: 18px; } .control-row { flex-direction: column; align-items: stretch; } .action-row .action-stack { width: 100%; align-items: stretch; flex: 0 0 auto; min-height: 0; gap: 6px; } .action-row .status-stack { flex: 1 1 auto; gap: 4px; } .primary-buttons { justify-content: stretch; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } .primary-buttons button { width: 100%; min-width: 0; padding: 10px 12px; font-size: 15px; line-height: 1.3; } .turnstile-wrap { justify-content: flex-start; margin-top: 0; } .turnstile-wrap .cf-turnstile { margin: 0; } .board-stack { gap: var(--space-12); } .scoreboard { padding: 10px 12px; gap: 6px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02); } .score-grid { gap: 8px; } .score-item { min-height: 52px; border-color: rgba(255, 255, 255, 0.08); box-shadow: none; } .score-label { font-size: 11px; } .score-value { font-size: 20px; } .control-bay { padding: 12px; gap: 6px; margin-top: var(--space-16); border-color: rgba(255, 255, 255, 0.08); box-shadow: none; background: rgba(255, 255, 255, 0.015); } .status-line { gap: 8px; font-size: 13px; } .control-row.review-row { margin-top: 0; } .review-row { gap: 10px; } .history-controls { gap: 8px; flex-direction: column; align-items: stretch; } .history-buttons { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; } .history-chip { padding: 6px 10px; min-width: auto; font-size: 13px; } .banner { margin-top: 8px; padding: 10px 12px; font-size: 13px; border-width: 1px; } .banner.show { gap: 8px; } #updateBanner button { width: auto; padding: 8px 10px; font-size: 14px; } .control-bay .selected-move, .selected-move { margin-top: 6px; font-size: 13px; } .hud-details { margin-top: 8px; gap: 6px; } .details-toggle { padding: 9px 12px; font-size: 14px; } .hud-details-panel { padding: 10px; gap: 8px; border-color: rgba(255, 255, 255, 0.08); box-shadow: none; } .game-snapshot { padding: 8px 10px; gap: 6px; } .snapshot-row { gap: 8px; } .details-advanced { gap: 6px; } .notation-readout { font-size: 12px; } } @media (max-width: 480px) { .wrap { padding-left: 12px; padding-right: 12px; } .stage-card { padding: 14px; } .board-stack { gap: 10px; } .scoreboard { padding: 9px 10px; gap: 6px; } .score-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; } .score-item:nth-child(3) { grid-column: 1 / -1; } .score-item { min-height: 50px; padding: 8px 10px; } .score-label { font-size: 10px; letter-spacing: 0.06em; } .score-value { font-size: 18px; } .score-last { font-size: 12px; } .control-bay { padding: 10px; gap: 4px; } .status-line { font-size: 12.5px; } .primary-buttons { gap: 8px; } .primary-buttons button { padding: 9px 10px; font-size: 14px; } .turnstile-wrap { margin-top: 0; margin-bottom: 2px; } .history-buttons { gap: 6px; } .history-chip { font-size: 12px; padding: 6px 8px; } #historyNotice { font-size: 12px; padding: 8px 10px; } #updateBanner { align-items: flex-start; } #updateBanner button { margin-left: auto; } .control-bay .selected-move, .selected-move { font-size: 12.5px; margin-top: 4px; } .hud-details-panel { padding: 9px; } .game-snapshot { padding: 7px 9px; } } @media (prefers-reduced-motion: reduce) { * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } .spinner { animation: none; } }