/* * Onboarding overlay — Mahjong Hall styled three-card intro shown on * first cold start of the PWA. Hidden by default; revealed when an * inline script in index.html sets `html.onboarding-pending` * (after reading localStorage `nihon-onboarding-seen`). The overlay * is laid out in pure CSS so it paints on the first frame, before * js/onboarding.js parses — masking the SW-precache wait that's * unavoidable on a fresh PWA install. * * One-time per user: dismissed via "Get started" or the Skip link * sets `nihon-onboarding-seen=1` and the overlay never returns. */ /* Hidden by default — JS lifts this only when the inline flag-checker has added the .onboarding-pending class to . */ .onboarding-overlay { display: none; } html.onboarding-pending .onboarding-overlay { display: flex; } .onboarding-overlay { position: fixed; inset: 0; z-index: 2000; /* above everything, including modals */ align-items: center; justify-content: center; padding: 1.5rem; background: rgba(20, 23, 33, 0.92); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); animation: onboarding-fade-in 0.25s ease-out; } @keyframes onboarding-fade-in { from { opacity: 0; } to { opacity: 1; } } .onboarding-card { position: relative; width: 100%; max-width: 460px; height: min(95vh, 760px); min-height: 540px; box-sizing: border-box; background: linear-gradient(180deg, #232739 0%, #1d2031 100%); border: 1px solid var(--rule); border-radius: 18px; box-shadow: 0 22px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(232, 220, 196, 0.08); padding: 0 1.4rem 1.2rem; display: flex; flex-direction: column; align-items: stretch; gap: 0.7rem; overflow: hidden; } /* Per-card panel — only the active one is visible. CSS pseudo-state driven via [data-active] on the parent for zero-JS first paint. */ .onboarding-step { display: none; flex-direction: column; align-items: stretch; gap: 0.7rem; text-align: center; animation: onboarding-step-in 0.28s ease-out; } .onboarding-step.is-active { display: flex; flex: 1; min-height: 0; } /* Artwork band — bleeds to card edges, occupies the top third of the card. Joshua's hand-curated ukiyo-e plate sets the visual tone before any copy. object-position lifts the focal point (castle + town) into the viewport rather than the kimono crowd below. */ .step-artwork { margin: 0 -1.4rem 0.2rem; height: 32%; flex-shrink: 0; overflow: hidden; background: var(--canvas-elev); border-bottom: 1px solid rgba(232, 220, 196, 0.12); } .step-artwork img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 25%; } @keyframes onboarding-step-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } } /* Card 1 — stacked brand wordmark, the visual centerpiece. */ .onboarding-wordmark { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; margin: 0.5rem 0 0.1rem; font-family: var(--font-jp); font-weight: 700; letter-spacing: 0.04em; line-height: 1; } .onboarding-wordmark .wordmark-jp { font-size: 3.4rem; color: var(--brass); } .onboarding-wordmark .wordmark-jp-sub { font-size: 2rem; color: var(--text); } /* Brass double-rule — mirrors the kanji back-face top header motif so the onboarding feels of-a-piece with the rest of the app rather than a generic modal pasted on top. */ .onboarding-brass-rule { width: 70%; align-self: center; height: 3px; margin: 0.3rem 0 0.1rem; border-top: 1px solid var(--brass); border-bottom: 1px solid var(--brass); opacity: 0.7; } .onboarding-step h2 { font-family: var(--font-jp); font-weight: 700; font-size: 1.5rem; letter-spacing: 0.02em; color: var(--text); margin: 0; line-height: 1.25; text-align: center; } /* Card 1 — slightly smaller + tighter to balance the wordmark above. */ .onboarding-overlay[data-step="1"] .onboarding-step h2 { font-size: 1.4rem; margin-top: 0.2rem; } .onboarding-step .step-subtitle { font-family: var(--font-jp); font-weight: 500; font-size: 0.98rem; color: var(--text); text-align: center; margin: 0 0 0.4rem; line-height: 1.45; letter-spacing: 0.01em; } .onboarding-step p { font-family: var(--font-en); font-size: 0.95rem; line-height: 1.55; color: var(--text); margin: 0; text-align: left; } .onboarding-step strong { color: var(--brass); font-weight: 600; } /* Visual demo row for card 2 — three mahjong-style tiles showing the closed → peeked → glowing progression, with labels under each and brass arrows between them. Zero asset load — just CSS + Unicode. */ .onboarding-tile-demo { display: flex; justify-content: center; align-items: flex-start; gap: 0.45rem; margin: 0.3rem 0 0.5rem; } .onboarding-tile-demo .demo-tile-wrap { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; min-width: 0; flex: 0 1 auto; } .onboarding-tile-demo .demo-tile { width: 78px; height: 50px; border-radius: 7px; background: linear-gradient(155deg, var(--bone-bright) 0%, var(--bone) 50%, var(--bone-shadow) 100%); display: flex; align-items: center; justify-content: center; font-family: var(--font-jp); font-size: 1.6rem; font-weight: 600; color: var(--canvas); box-shadow: 0 3px 0 var(--tile-edge), inset -1px -1px 2px rgba(74, 69, 51, 0.2), inset 1px 1px 2px rgba(255, 255, 255, 0.4); } .onboarding-tile-demo .demo-tile.peeked { background: linear-gradient(155deg, #f1c97a 0%, #e0a558 50%, #b07d3a 100%); } .onboarding-tile-demo .demo-tile.glow { background: linear-gradient(155deg, #f08673 0%, #d44a3a 50%, #9c2f23 100%); color: var(--bone); box-shadow: 0 3px 0 var(--tile-edge), inset -1px -1px 2px rgba(74, 69, 51, 0.2), inset 1px 1px 2px rgba(255, 255, 255, 0.4), 0 0 12px rgba(212, 74, 58, 0.5); } .onboarding-tile-demo .demo-label { font-family: var(--font-en); font-size: 0.7rem; color: var(--text-soft); text-align: center; line-height: 1.2; letter-spacing: 0.02em; max-width: 88px; } .onboarding-tile-demo .demo-arrow { color: var(--brass); font-size: 1.15rem; line-height: 50px; flex-shrink: 0; } /* Step indicator dots */ .onboarding-dots { display: flex; justify-content: center; gap: 0.4rem; margin: 0.4rem 0 0.2rem; } .onboarding-dots .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--rule); transition: background 0.2s ease, transform 0.2s ease; } .onboarding-dots .dot.is-active { background: var(--brass); transform: scale(1.4); } /* Bottom action row */ .onboarding-actions { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; margin-top: 0.5rem; padding-top: 0.8rem; border-top: 1px solid var(--rule); } .onboarding-actions .skip-link { font-family: var(--font-en); font-size: 0.85rem; color: var(--text-soft); text-decoration: none; background: none; border: none; padding: 0.4rem 0.6rem; cursor: pointer; } .onboarding-actions .skip-link:hover { color: var(--text); } /* On the last card, the skip link is hidden — the only action is "Get started". */ .onboarding-overlay[data-step="3"] .onboarding-actions .skip-link { visibility: hidden; } .onboarding-actions .next-btn { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.55rem 1.4rem; background: var(--brass); border: 1px solid var(--brass); border-radius: 100px; font-family: var(--font-en); font-weight: 600; font-size: 0.95rem; letter-spacing: 0.04em; color: var(--canvas); cursor: pointer; transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease; -webkit-tap-highlight-color: transparent; } .onboarding-actions .next-btn:hover { background: #d8c08a; border-color: #d8c08a; } .onboarding-actions .next-btn:active { transform: scale(0.97); } .onboarding-actions .next-btn .arrow { font-size: 1.1em; line-height: 1; } /* "Get started" copy on the final step replaces "Next" via JS. */ /* ---------------------------------------------------------------------- Card 1 — headline sub-line ("for the serious learner") + pillars block. ---------------------------------------------------------------------- */ .step-1-headline-sub { display: block; font-family: var(--font-en); font-size: 1.0rem; font-weight: 500; font-style: italic; color: var(--text-soft); letter-spacing: 0.02em; margin-top: 0.3rem; } .step-pillars-block { display: flex; flex-direction: column; align-items: center; gap: 0.35rem; margin: 0.3rem 0 0; } .step-pillars-title { font-family: var(--font-en); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--brass); } .step-pillars-list { display: flex; flex-direction: column; gap: 0.2rem; text-align: center; font-family: var(--font-en); font-size: 0.88rem; color: var(--text-soft); letter-spacing: 0.02em; } /* ---------------------------------------------------------------------- Card 2 — gesture-to-action definition list. Two-column grid so each gesture aligns clean against its description. The third row (Double-tap) is muted to register as a desktop fallback rather than primary. ---------------------------------------------------------------------- */ .onboarding-instructions { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 0.8rem; margin: 0.3rem 0.4rem 0; align-items: baseline; text-align: left; } .onboarding-instructions dt { font-family: var(--font-en); font-weight: 600; color: var(--brass); font-size: 0.92rem; margin: 0; } .onboarding-instructions dd { font-family: var(--font-en); font-size: 0.9rem; color: var(--text); line-height: 1.4; margin: 0; } .onboarding-instructions dt.muted, .onboarding-instructions dd.muted { color: var(--text-soft); font-weight: 400; font-size: 0.85rem; } /* ---------------------------------------------------------------------- Card 3 — two bone-gradient mode tiles (same surface as in-game tiles), sized like flattened dominos (~2.2:1), with mode-name engraved in dark ink. Both tiles share the same bone surface — the distinction between Study and Practice is conceptual, not visual. Each tile's role is reinforced by a short caption beneath. ---------------------------------------------------------------------- */ .onboarding-mode-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0.4rem 0 0.35rem; } .onboarding-mode-tiles .mode-tile { aspect-ratio: 2.2 / 1; border-radius: 8px; display: flex; align-items: center; justify-content: center; box-shadow: 0 3px 0 var(--tile-edge), inset -1px -1px 2px rgba(74, 69, 51, 0.2), inset 1px 1px 2px rgba(255, 255, 255, 0.4); } /* Study tile mirrors the in-game Study-mode tile color (Hanada blue), so the user sees the SAME chrome on this card as on the actual toggle when it activates. Light ink on the blue ground. */ .onboarding-mode-tiles .mode-tile-study { background: linear-gradient(155deg, #7aa1d0 0%, #5e85bb 50%, #466b9c 100%); } .onboarding-mode-tiles .mode-tile-study .mode-tile-name { color: #fff; } /* Practice tile mirrors the default in-game tile surface (bone gradient + dark engraved ink). Same chrome as every default domino. */ .onboarding-mode-tiles .mode-tile-practice { background: linear-gradient(155deg, var(--bone-bright) 0%, var(--bone) 50%, var(--bone-shadow) 100%); } .onboarding-mode-tiles .mode-tile-practice .mode-tile-name { color: var(--canvas); } .onboarding-mode-tiles .mode-tile-name { font-family: var(--font-en); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.16em; } .onboarding-mode-captions { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; margin: 0 0 0.5rem; text-align: center; font-family: var(--font-en); font-size: 0.76rem; color: var(--text-soft); line-height: 1.4; } /* Card 3 — tightened spacing so the JP closing phrase can claim more vertical real-estate. We override the global .onboarding-step gap and the per-element margins to compress the upper rows. */ .onboarding-overlay[data-step="3"] .onboarding-step { gap: 0.55rem; } .onboarding-overlay[data-step="3"] .onboarding-step p:not(.step-closing) { font-size: 0.86rem; text-align: center; margin: 0; line-height: 1.4; } .onboarding-overlay[data-step="3"] .muted-paren { color: var(--text-soft); font-style: italic; } .onboarding-overlay[data-step="3"] .step-footer-line { font-size: 0.78rem; color: var(--text-soft); line-height: 1.45; margin-top: 0.05rem; } /* Card 3 — tighter spacing on the mode tile rows. */ .onboarding-mode-tiles { margin: 0.25rem 0 0.25rem; } .onboarding-mode-captions { margin: 0 0 0.3rem; } /* The closing JP phrase — the visual hero of card 3. Large, bold, Hanada blue (matches the Study toggle color from the in-game UI), rounded font for friendliness, slight forward-leaning tilt for kinetic "move!" energy. */ .onboarding-overlay[data-step="3"] .step-closing { font-family: "Hiragino Maru Gothic ProN", "Hiragino Maru Gothic Pro", var(--font-jp); font-weight: 800; color: #5e85bb; font-size: 2.4rem; letter-spacing: 0.02em; text-align: center; white-space: nowrap; margin: 0.55rem 0 0; line-height: 1; transform: rotate(-2.5deg); transform-origin: center; }