/* ========================================================================== base.css — reset + design tokens + kit component styles. Mobile-first. Light/dark via prefers-color-scheme (override with ). Zero dependencies, no @import, no webfonts. ========================================================================== */ /* -------------------------------------------------------------------------- 1. Tokens -------------------------------------------------------------------------- */ :root { /* Type ------------------------------------------------------------------ */ --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Inter, Roboto, Arial, sans-serif; --font-display: ui-rounded, "SF Pro Rounded", -apple-system, "Segoe UI", Inter, system-ui, sans-serif; --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace; --text-xs: 0.75rem; /* 12 */ --text-sm: 0.8125rem; /* 13 */ --text-base: 0.9375rem; /* 15 */ --text-md: 1.0625rem; /* 17 */ --text-lg: 1.25rem; /* 20 */ --text-xl: 1.5rem; /* 24 */ --text-2xl: 2rem; /* 32 */ --text-3xl: 2.75rem; /* 44 */ --tracking-tight: -0.02em; --tracking-wide: 0.08em; /* Space (4pt scale) ----------------------------------------------------- */ --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 0.75rem; --s-4: 1rem; --s-5: 1.25rem; --s-6: 1.5rem; --s-8: 2rem; --s-10: 2.5rem; --s-12: 3rem; --s-16: 4rem; /* Radii ----------------------------------------------------------------- */ --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 22px; --r-2xl: 28px; --r-full: 999px; /* Motion ---------------------------------------------------------------- */ --dur-1: 120ms; --dur-2: 200ms; --dur-3: 320ms; --dur-4: 520ms; --ease: cubic-bezier(0.2, 0, 0.2, 1); --ease-out: cubic-bezier(0.16, 1, 0.3, 1); --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1); /* Layout ---------------------------------------------------------------- */ --tap: 44px; /* minimum tap target */ --page-max: 30rem; /* game column width on desktop */ --safe-t: env(safe-area-inset-top, 0px); --safe-b: env(safe-area-inset-bottom, 0px); --safe-l: env(safe-area-inset-left, 0px); --safe-r: env(safe-area-inset-right, 0px); /* Colour — light -------------------------------------------------------- */ --bg: #f6f6f8; --bg-elev: #ffffff; --bg-sunken: #ececed; --fg: #16161a; --fg-muted: #62626d; --fg-faint: #8d8d99; --line: #e2e2e7; --line-strong: #cfcfd6; --accent: #6d4aff; --accent-fg: #ffffff; --accent-soft: #efeaff; --hot: #ff5a49; --warm: #ff9f43; --cool: #3aa0ff; --cold: #6f7cff; --good: #17b978; --bad: #e5484d; --shadow-sm: 0 1px 2px rgba(16, 16, 30, 0.06), 0 1px 3px rgba(16, 16, 30, 0.05); --shadow-md: 0 4px 10px rgba(16, 16, 30, 0.07), 0 12px 28px rgba(16, 16, 30, 0.06); --shadow-lg: 0 8px 20px rgba(16, 16, 30, 0.10), 0 32px 64px rgba(16, 16, 30, 0.12); --ring: 0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent); /* Share card colours (read by share.js) --------------------------------- */ --share-bg: #17162a; --share-bg-2: #2c1f4d; --share-fg: #ffffff; --share-accent: #6d4aff; color-scheme: light dark; } /* Colour — dark. Applied by preference, or forced with data-theme. */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg: #0e0e12; --bg-elev: #17171d; --bg-sunken: #08080b; --fg: #f2f2f5; --fg-muted: #a1a1ae; --fg-faint: #6f6f7d; --line: #26262f; --line-strong: #3a3a46; --accent: #8a6bff; --accent-fg: #ffffff; --accent-soft: #241d45; --hot: #ff6b5a; --warm: #ffab5e; --cool: #57adff; --cold: #8590ff; --good: #2fd08c; --bad: #ff5f63; --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5); --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.5); --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.62); } } :root[data-theme="dark"] { --bg: #0e0e12; --bg-elev: #17171d; --bg-sunken: #08080b; --fg: #f2f2f5; --fg-muted: #a1a1ae; --fg-faint: #6f6f7d; --line: #26262f; --line-strong: #3a3a46; --accent: #8a6bff; --accent-soft: #241d45; --hot: #ff6b5a; --warm: #ffab5e; --cool: #57adff; --cold: #8590ff; --good: #2fd08c; --bad: #ff5f63; --shadow-sm: 0 1px 2px rgba(0,0,0,.5); --shadow-md: 0 6px 16px rgba(0,0,0,.5); --shadow-lg: 0 16px 48px rgba(0,0,0,.62); } /* -------------------------------------------------------------------------- 2. Reset -------------------------------------------------------------------------- */ *, *::before, *::after { box-sizing: border-box; } * { margin: 0; } html { -webkit-text-size-adjust: 100%; /* no zoom-on-rotate size jumps */ text-size-adjust: 100%; /* Never allow sideways scroll, at any viewport. */ overflow-x: hidden; } body { min-height: 100dvh; margin: 0; overflow-x: hidden; background: var(--bg); color: var(--fg); font-family: var(--font-sans); font-size: var(--text-base); line-height: 1.5; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; /* Kill the 300ms double-tap-to-zoom delay and accidental zoom on games. */ touch-action: manipulation; -webkit-tap-highlight-color: transparent; overscroll-behavior-y: none; } img, svg, video, canvas { display: block; max-width: 100%; } /* `hidden` must win over any author display rule. */ [hidden] { display: none !important; } button, input, select, textarea { font: inherit; color: inherit; } button { background: none; border: 0; cursor: pointer; touch-action: manipulation; } h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; letter-spacing: var(--tracking-tight); } a { color: var(--accent); } ul, ol { padding-left: 1.15em; } :focus { outline: none; } :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--r-sm); } ::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); } /* Respect the user's motion preference globally. */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; } } /* -------------------------------------------------------------------------- 3. Layout utilities -------------------------------------------------------------------------- */ .kit-app { display: flex; flex-direction: column; min-height: 100dvh; max-width: var(--page-max); margin-inline: auto; padding-left: max(var(--s-4), var(--safe-l)); padding-right: max(var(--s-4), var(--safe-r)); padding-bottom: max(var(--s-4), var(--safe-b)); width: 100%; } .kit-main { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; } .kit-header { display: flex; align-items: center; gap: var(--s-2); padding-top: max(var(--s-3), var(--safe-t)); padding-bottom: var(--s-3); border-bottom: 1px solid var(--line); } .kit-header__title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 800; letter-spacing: var(--tracking-tight); margin-right: auto; display: flex; align-items: baseline; gap: var(--s-2); min-width: 0; } .kit-header__actions { display: flex; align-items: center; gap: 2px; } .kit-stack { display: flex; flex-direction: column; gap: var(--s-4); } .kit-row { display: flex; align-items: center; gap: var(--s-2); } .kit-center { display: grid; place-items: center; } .kit-grow { flex: 1 1 auto; min-width: 0; } .kit-muted { color: var(--fg-muted); } .kit-faint { color: var(--fg-faint); } .kit-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; } .kit-tnum { font-variant-numeric: tabular-nums; } .kit-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; } /* -------------------------------------------------------------------------- 4. Buttons -------------------------------------------------------------------------- */ .kit-btn { --btn-bg: var(--bg-elev); --btn-fg: var(--fg); display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2); min-height: var(--tap); padding: 0 var(--s-5); border-radius: var(--r-full); border: 1px solid var(--line-strong); background: var(--btn-bg); color: var(--btn-fg); font-weight: 650; font-size: var(--text-md); letter-spacing: -0.01em; box-shadow: var(--shadow-sm); transition: transform var(--dur-1) var(--ease), background-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), opacity var(--dur-2) var(--ease); user-select: none; } .kit-btn:active:not(:disabled) { transform: scale(0.97); } .kit-btn:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; } @media (hover: hover) { .kit-btn:hover:not(:disabled) { box-shadow: var(--shadow-md); } } .kit-btn--primary { --btn-bg: var(--accent); --btn-fg: var(--accent-fg); border-color: transparent; box-shadow: 0 2px 6px color-mix(in srgb, var(--accent) 30%, transparent), 0 10px 24px color-mix(in srgb, var(--accent) 22%, transparent); } .kit-btn--ghost { --btn-bg: transparent; border-color: transparent; box-shadow: none; } .kit-btn--soft { --btn-bg: var(--accent-soft); --btn-fg: var(--accent); border-color: transparent; } .kit-btn--block { width: 100%; } .kit-btn--lg { min-height: 52px; font-size: var(--text-lg); padding-inline: var(--s-6); } /* Icon-only button — always at least a 44px target. */ .kit-icon-btn { display: inline-grid; place-items: center; width: var(--tap); height: var(--tap); border-radius: var(--r-full); color: var(--fg-muted); transition: background-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease), transform var(--dur-1) var(--ease); } .kit-icon-btn:active { transform: scale(0.9); } .kit-icon-btn[aria-pressed="true"] { color: var(--accent); } @media (hover: hover) { .kit-icon-btn:hover { background: var(--bg-sunken); color: var(--fg); } } /* -------------------------------------------------------------------------- 5. Cards, chips, fields -------------------------------------------------------------------------- */ .kit-card { background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--r-xl); padding: var(--s-5); box-shadow: var(--shadow-sm); } .kit-chip { display: inline-flex; align-items: center; gap: var(--s-1); padding: 3px var(--s-3); border-radius: var(--r-full); background: var(--bg-sunken); color: var(--fg-muted); font-size: var(--text-xs); font-weight: 650; letter-spacing: 0.01em; white-space: nowrap; } .kit-chip--accent { background: var(--accent-soft); color: var(--accent); } .kit-field { width: 100%; min-height: var(--tap); padding: var(--s-3) var(--s-4); border-radius: var(--r-lg); border: 1.5px solid var(--line-strong); background: var(--bg-elev); font-size: var(--text-md); transition: border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease); } .kit-field:focus { border-color: var(--accent); box-shadow: var(--ring); } /* iOS zooms any input under 16px on focus — never let that happen. */ @media (max-width: 767px) { .kit-field { font-size: 16px; } } /* -------------------------------------------------------------------------- 6. Toasts -------------------------------------------------------------------------- */ .kit-toasts { position: fixed; top: max(var(--s-4), var(--safe-t)); left: 50%; transform: translateX(-50%); z-index: 60; display: flex; flex-direction: column; align-items: center; gap: var(--s-2); pointer-events: none; width: max-content; max-width: min(92vw, 26rem); } .kit-toast { padding: var(--s-3) var(--s-5); border-radius: var(--r-full); background: var(--fg); color: var(--bg); font-size: var(--text-sm); font-weight: 650; text-align: center; box-shadow: var(--shadow-lg); opacity: 0; transform: translateY(-10px) scale(0.96); transition: opacity var(--dur-2) var(--ease-out), transform var(--dur-2) var(--ease-spring); } .kit-toast.is-in { opacity: 1; transform: none; } .kit-toast--success { background: var(--good); color: #04150e; } .kit-toast--error { background: var(--bad); color: #fff; } /* -------------------------------------------------------------------------- 7. Modal (bottom sheet on mobile, centred card on desktop) -------------------------------------------------------------------------- */ body.kit-modal-open { overflow: hidden; } .kit-modal { position: fixed; inset: 0; z-index: 70; } .kit-modal[hidden] { display: none; } .kit-modal__backdrop { position: absolute; inset: 0; background: rgba(8, 8, 14, 0.5); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); opacity: 0; transition: opacity var(--dur-3) var(--ease); } .kit-modal.is-open .kit-modal__backdrop { opacity: 1; } .kit-modal__dialog { position: absolute; left: 0; right: 0; bottom: 0; max-height: 88dvh; display: flex; flex-direction: column; background: var(--bg-elev); border-radius: var(--r-2xl) var(--r-2xl) 0 0; border-top: 1px solid var(--line); box-shadow: var(--shadow-lg); padding: var(--s-2) max(var(--s-5), var(--safe-l)) max(var(--s-6), var(--safe-b)) max(var(--s-5), var(--safe-r)); transform: translateY(100%); transition: transform var(--dur-4) var(--ease-out); overscroll-behavior: contain; } .kit-modal.is-open .kit-modal__dialog { transform: none; } /* Grabber affordance on the sheet. */ .kit-modal__dialog::before { content: ""; width: 38px; height: 4px; border-radius: var(--r-full); background: var(--line-strong); margin: var(--s-2) auto var(--s-1); flex: none; } .kit-modal__head { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-2) 0 var(--s-3); flex: none; } .kit-modal__title { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; flex: 1 1 auto; min-width: 0; } .kit-modal__close { margin-right: calc(var(--s-2) * -1); flex: none; } .kit-modal__body { overflow-y: auto; -webkit-overflow-scrolling: touch; padding-bottom: var(--s-2); } .kit-modal__body > * + * { margin-top: var(--s-4); } /* L6 — the pinned action row. `.kit-modal__body` is the dialog's only flexible child, so an action placed inside it scrolls: at 844x390 the body measured 202px against 325 of content and the primary CTA sat 51px past the bottom of the viewport with `body { overflow: hidden }` killing the page scroll that would have hinted at it. A `flex: none` footer after the body keeps the action on the dialog's floor at every height. */ .kit-modal__foot { flex: none; padding-top: var(--s-3); border-top: 1px solid var(--line); margin-top: var(--s-3); } @media (min-width: 640px) { .kit-modal__dialog { inset: auto 50% auto auto; right: auto; bottom: auto; top: 50%; left: 50%; width: min(30rem, calc(100vw - var(--s-8))); max-height: min(80dvh, 44rem); border-radius: var(--r-2xl); border: 1px solid var(--line); padding: var(--s-2) var(--s-6) var(--s-6); transform: translate(-50%, -46%) scale(0.97); opacity: 0; transition: transform var(--dur-3) var(--ease-out), opacity var(--dur-2) var(--ease); } .kit-modal.is-open .kit-modal__dialog { transform: translate(-50%, -50%); opacity: 1; } .kit-modal__dialog::before { display: none; } .kit-modal__head { padding-top: var(--s-5); } } /* -------------------------------------------------------------------------- 8. Confetti + hint -------------------------------------------------------------------------- */ .kit-confetti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 80; } .kit-hint { position: fixed; z-index: 65; max-width: min(20rem, calc(100vw - var(--s-8))); padding: var(--s-2) var(--s-4); border-radius: var(--r-lg); background: var(--fg); color: var(--bg); font-size: var(--text-sm); font-weight: 600; box-shadow: var(--shadow-lg); opacity: 0; transform: translateY(-6px); transition: opacity var(--dur-2) var(--ease), transform var(--dur-2) var(--ease-spring); } .kit-hint.is-in { opacity: 1; transform: none; } /* -------------------------------------------------------------------------- 9. Stats distribution bars -------------------------------------------------------------------------- */ .kit-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s-2); text-align: center; } .kit-stat__value { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; } .kit-stat__label { margin-top: var(--s-1); font-size: 0.6875rem; line-height: 1.25; color: var(--fg-muted); text-transform: uppercase; letter-spacing: var(--tracking-wide); } .kit-dist { display: flex; flex-direction: column; gap: var(--s-2); } .kit-dist__row { display: grid; grid-template-columns: 1.25rem 1fr; gap: var(--s-2); align-items: center; } .kit-dist__key { font-size: var(--text-sm); font-weight: 700; color: var(--fg-muted); text-align: right; } .kit-dist__bar { min-width: 1.75rem; padding: 2px var(--s-2); border-radius: var(--r-sm); background: var(--line); color: var(--fg-muted); font-size: var(--text-xs); font-weight: 700; text-align: right; transition: width var(--dur-4) var(--ease-out); } .kit-dist__bar.is-current { background: var(--accent); color: var(--accent-fg); } /* -------------------------------------------------------------------------- 10. Countdown block -------------------------------------------------------------------------- */ .kit-countdown { text-align: center; } .kit-countdown__label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--fg-muted); font-weight: 700; } .kit-countdown__time { font-family: var(--font-mono); font-size: var(--text-2xl); font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: 0.01em; line-height: 1.2; }