| :root { |
| --bg: #f4efe6; |
| --panel: rgba(255, 252, 246, 0.9); |
| --panel-strong: #fffaf0; |
| --ink: #1e2b26; |
| --muted: #57655f; |
| --line: #b8aa93; |
| --line-strong: #3b544a; |
| --accent: #c96d4a; |
| --accent-soft: #f4d8ca; |
| --given: #e2efe8; |
| --selected: #fff0bf; |
| --hint: #d7efe4; |
| --conflict: #ffd8d1; |
| --mistake: #ffebe5; |
| --shadow: 0 18px 45px rgba(53, 43, 26, 0.12); |
| } |
|
|
| *, |
| *::before, |
| *::after { |
| box-sizing: border-box; |
| } |
|
|
| html, |
| body { |
| margin: 0; |
| min-height: 100%; |
| } |
|
|
| body { |
| font-family: "IBM Plex Sans KR", "Noto Sans KR", "Segoe UI", sans-serif; |
| line-height: 1.5; |
| color: var(--ink); |
| background: |
| radial-gradient(circle at top left, rgba(232, 202, 177, 0.55), transparent 28%), |
| linear-gradient(180deg, #f8f3ea 0%, var(--bg) 100%); |
| padding: 24px; |
| } |
|
|
| body > * { |
| width: min(100%, 1440px); |
| margin-inline: auto; |
| } |
|
|
| button, |
| input { |
| font: inherit; |
| } |
|
|
| button { |
| border: 0; |
| border-radius: 14px; |
| cursor: pointer; |
| } |
|
|
| h1, |
| h2, |
| p, |
| dl, |
| dd, |
| dt, |
| ol { |
| margin: 0; |
| } |
|
|
| ol, |
| ul { |
| padding: 0; |
| } |
|
|
| .sr-only { |
| position: absolute; |
| width: 1px; |
| height: 1px; |
| padding: 0; |
| margin: -1px; |
| overflow: hidden; |
| clip: rect(0, 0, 0, 0); |
| white-space: nowrap; |
| border: 0; |
| } |
|
|
| .site-header, |
| .board-panel, |
| .info-card, |
| .site-footer { |
| background: var(--panel); |
| border: 1px solid rgba(59, 84, 74, 0.1); |
| box-shadow: var(--shadow); |
| } |
|
|
| .site-header, |
| .site-footer { |
| border-radius: 28px; |
| } |
|
|
| .site-header { |
| display: flex; |
| justify-content: space-between; |
| gap: 24px; |
| align-items: flex-start; |
| padding: 24px; |
| margin-bottom: 24px; |
| } |
|
|
| .header-copy { |
| max-width: 700px; |
| } |
|
|
| .eyebrow { |
| color: var(--accent); |
| font-size: 0.82rem; |
| font-weight: 700; |
| text-transform: uppercase; |
| letter-spacing: 0.12em; |
| margin-bottom: 10px; |
| } |
|
|
| h1 { |
| font-size: clamp(2rem, 4vw, 3.3rem); |
| line-height: 1.05; |
| letter-spacing: -0.04em; |
| } |
|
|
| .intro { |
| margin-top: 12px; |
| max-width: 60ch; |
| color: var(--muted); |
| } |
|
|
| .top-actions { |
| display: flex; |
| flex-wrap: wrap; |
| gap: 10px; |
| justify-content: flex-end; |
| } |
|
|
| .top-actions button { |
| padding: 12px 16px; |
| min-height: 48px; |
| background: var(--line-strong); |
| color: #fff; |
| font-weight: 700; |
| transition: transform 0.15s ease, opacity 0.15s ease, background-color 0.15s ease; |
| } |
|
|
| .top-actions button:hover, |
| .top-actions button:focus-visible { |
| transform: translateY(-1px); |
| background: #2e443b; |
| outline: 3px solid rgba(201, 109, 74, 0.24); |
| outline-offset: 2px; |
| } |
|
|
| .top-actions button:disabled { |
| opacity: 0.5; |
| cursor: not-allowed; |
| transform: none; |
| } |
|
|
| .top-actions button[aria-pressed="true"] { |
| background: var(--accent); |
| } |
|
|
| .layout { |
| display: grid; |
| grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.8fr); |
| gap: 24px; |
| align-items: start; |
| } |
|
|
| .layout > * { |
| min-width: 0; |
| } |
|
|
| .board-panel, |
| .info-card { |
| border-radius: 24px; |
| } |
|
|
| .board-panel { |
| padding: 22px; |
| } |
|
|
| .panel-head { |
| display: flex; |
| justify-content: space-between; |
| align-items: flex-start; |
| gap: 16px; |
| margin-bottom: 18px; |
| } |
|
|
| .panel-head h2, |
| .info-card h2 { |
| font-size: 1.1rem; |
| } |
|
|
| .muted, |
| .status, |
| .hint-message, |
| .stats-grid dt, |
| .site-footer { |
| color: var(--muted); |
| } |
|
|
| .status-wrap { |
| display: flex; |
| flex-direction: column; |
| align-items: flex-end; |
| gap: 8px; |
| } |
|
|
| .badge { |
| display: inline-flex; |
| align-items: center; |
| gap: 8px; |
| padding: 8px 12px; |
| border-radius: 999px; |
| background: var(--accent-soft); |
| color: #7a341f; |
| font-size: 0.9rem; |
| font-weight: 700; |
| } |
|
|
| .sudoku-shell { |
| background: var(--panel-strong); |
| border-radius: 20px; |
| border: 1px solid rgba(59, 84, 74, 0.12); |
| padding: 16px; |
| } |
|
|
| .sudoku-board { |
| display: grid; |
| grid-template-columns: repeat(9, minmax(0, 1fr)); |
| aspect-ratio: 1; |
| width: min(100%, 720px); |
| margin: 0 auto; |
| border: 3px solid var(--line-strong); |
| border-radius: 18px; |
| overflow: hidden; |
| } |
|
|
| .cell { |
| width: 100%; |
| min-width: 0; |
| border: 1px solid var(--line); |
| background: #fffdf8; |
| color: var(--ink); |
| text-align: center; |
| font-size: clamp(1rem, 2vw, 1.65rem); |
| font-weight: 600; |
| outline: none; |
| padding: 0; |
| } |
|
|
| .cell[readonly] { |
| cursor: default; |
| } |
|
|
| .cell.edge-right { |
| border-right: 3px solid var(--line-strong); |
| } |
|
|
| .cell.edge-bottom { |
| border-bottom: 3px solid var(--line-strong); |
| } |
|
|
| .cell.is-given { |
| background: var(--given); |
| font-weight: 800; |
| } |
|
|
| .cell.is-selected { |
| background: var(--selected); |
| } |
|
|
| .cell.is-hint { |
| background: var(--hint); |
| box-shadow: inset 0 0 0 2px rgba(59, 84, 74, 0.35); |
| } |
|
|
| .cell.is-conflict { |
| background: var(--conflict); |
| color: #8f2417; |
| } |
|
|
| .cell.is-mistake { |
| box-shadow: inset 0 0 0 2px rgba(201, 109, 74, 0.8); |
| } |
|
|
| .cell:focus-visible { |
| background: var(--selected); |
| box-shadow: inset 0 0 0 2px var(--accent); |
| } |
|
|
| .side-panel { |
| display: grid; |
| gap: 16px; |
| } |
|
|
| .info-card { |
| padding: 18px; |
| } |
|
|
| .hint-message { |
| margin-top: 10px; |
| min-height: 72px; |
| } |
|
|
| .stats-grid { |
| display: grid; |
| grid-template-columns: repeat(2, minmax(0, 1fr)); |
| gap: 14px; |
| margin-top: 12px; |
| } |
|
|
| .stats-grid div { |
| padding: 14px; |
| border-radius: 16px; |
| background: rgba(244, 239, 230, 0.85); |
| } |
|
|
| .stats-grid dt { |
| font-size: 0.84rem; |
| } |
|
|
| .stats-grid dd { |
| margin-top: 6px; |
| font-size: 1rem; |
| font-weight: 700; |
| color: var(--ink); |
| } |
|
|
| .log-list { |
| list-style: none; |
| margin-top: 12px; |
| display: grid; |
| gap: 10px; |
| } |
|
|
| .log-list li { |
| padding: 12px 14px; |
| border-radius: 14px; |
| background: rgba(244, 239, 230, 0.85); |
| color: var(--ink); |
| overflow-wrap: anywhere; |
| } |
|
|
| .site-footer { |
| margin-top: 24px; |
| padding: 18px 22px; |
| text-align: center; |
| } |
|
|
| @media (max-width: 980px) { |
| .site-header, |
| .panel-head { |
| flex-direction: column; |
| } |
|
|
| .status-wrap { |
| align-items: flex-start; |
| } |
|
|
| .layout { |
| grid-template-columns: 1fr; |
| } |
|
|
| .sudoku-board { |
| width: 100%; |
| } |
| } |
|
|
| @media (max-width: 640px) { |
| body { |
| padding: 14px; |
| } |
|
|
| .site-header, |
| .board-panel, |
| .info-card, |
| .site-footer { |
| border-radius: 20px; |
| } |
|
|
| .site-header, |
| .board-panel, |
| .info-card { |
| padding: 16px; |
| } |
|
|
| .top-actions { |
| width: 100%; |
| justify-content: flex-start; |
| } |
|
|
| .top-actions button { |
| flex: 1 1 calc(50% - 10px); |
| min-width: 0; |
| } |
|
|
| .stats-grid { |
| grid-template-columns: 1fr; |
| } |
| } |
|
|
| @media (max-width: 480px) { |
| .top-actions button { |
| flex-basis: 100%; |
| } |
| } |
