:root{color-scheme: light;--bg: #fafaf7;--surface: #ffffff;--text: #1a1a1a;--muted: #5f5f5f;--border: #cfcfc8;--focus: #1f5fbf;--link: #2f6f34;--green: #2f7d35;--on-green: #ffffff;--lime: #a6d65a;--on-lime: #1a1a1a;--yellow: #f0c330;--on-yellow: #1a1a1a;--gray: #6e7173;--on-gray: #ffffff;--page-width: 32rem;}:root[data-theme="dark"]{color-scheme: dark;--bg: #121213;--surface: #1d1d1f;--text: #ececec;--muted: #a8a8a8;--border: #3d3d40;--focus: #7fb0ff;--link: #8fd18f;--lime: #93c447;--yellow: #d9ad24;--gray: #48494b;}:root[data-cb="1"]{--green: #e8681d;--on-green: #1a1a1a;--lime: #fbbf8f;--yellow: #7ab8f5;}:root[data-theme="dark"][data-cb="1"]{--lime: #f2ae78;--yellow: #6aa9e6;}*{box-sizing: border-box;}body{margin: 0;background: var(--bg);color: var(--text);font: 17px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;}a{color: var(--link);}:focus-visible{outline: 3px solid var(--focus);outline-offset: 2px;}[hidden]{display: none !important;}header{display: grid;align-items: center;gap: 8px;max-width: var(--page-width);margin: 0 auto;padding: 12px 16px;border-bottom: 1px solid var(--border);}h1{margin: 0;font-size: 1.5rem;letter-spacing: .02em;text-align: center;}main{max-width: var(--page-width);margin: 0 auto;padding: 16px 16px 48px;}.byline{text-align: center;color: var(--muted);font-size: .9rem;}.small-btn{min-width: 44px;height: 44px;padding: 0 10px;border-radius: 8px;border: 1px solid var(--border);background: var(--surface);color: var(--text);font: inherit;font-size: .85rem;white-space: nowrap;cursor: pointer;}