/* ============================================================ Prime Factorize — style.css Dark / Light theme via data-theme attribute on ============================================================ */ :root { --bg: #0f1117; --surface: #1a1d26; --surface-2: #242736; --border: #2e3144; --text: #e2e8f0; --text-muted: #8892a4; --accent: #6c8ef6; --accent-2: #a78bfa; --green: #34d399; --red: #f87171; --yellow: #fbbf24; --orange: #fb923c; --radius: 10px; --shadow: 0 4px 24px rgba(0, 0, 0, 0.4); --font-mono: 'JetBrains Mono', 'Fira Mono', 'Cascadia Code', 'Consolas', monospace; --font-sans: 'Inter', 'Noto Sans JP', system-ui, sans-serif; } [data-theme='light'] { --bg: #f0f4f8; --surface: #ffffff; --surface-2: #f8fafc; --border: #d1d9e6; --text: #1e2533; --text-muted: #64748b; --shadow: 0 4px 24px rgba(0, 0, 0, 0.08); } /* ---- Reset ---- */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { font-size: 16px; scroll-behavior: smooth; } body { font-family: var(--font-sans); background: var(--bg); color: var(--text); min-height: 100vh; line-height: 1.6; } /* ---- Layout ---- */ .app { max-width: 900px; margin: 0 auto; padding: 1.5rem 1rem 4rem; } /* ---- Header ---- */ .header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; gap: 1rem; flex-wrap: wrap; } .header-title h1 { font-size: 1.6rem; font-weight: 700; background: linear-gradient(135deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; letter-spacing: -0.02em; } .header-title .subtitle { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.1rem; } .header-actions { display: flex; gap: 0.5rem; } .icon-btn { background: var(--surface); border: 1px solid var(--border); color: var(--text); border-radius: var(--radius); padding: 0.4rem 0.75rem; cursor: pointer; font-size: 0.85rem; transition: background 0.15s, border-color 0.15s; } .icon-btn:hover { background: var(--surface-2); border-color: var(--accent); } /* ---- Card ---- */ .card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem; box-shadow: var(--shadow); } /* ---- Input section ---- */ .input-row { display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap; } .input-group { flex: 1; min-width: 180px; } .input-group label { display: block; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0.35rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; } .number-input { width: 100%; padding: 0.65rem 0.9rem; font-family: var(--font-mono); font-size: 1.1rem; background: var(--surface-2); border: 1.5px solid var(--border); border-radius: 8px; color: var(--text); transition: border-color 0.15s; outline: none; } .number-input:focus { border-color: var(--accent); } .number-input::placeholder { color: var(--text-muted); opacity: 0.6; } .btn-row { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; } .btn { padding: 0.6rem 1.4rem; border-radius: 8px; border: none; cursor: pointer; font-size: 0.9rem; font-weight: 600; transition: opacity 0.15s, transform 0.1s; } .btn:active { transform: scale(0.97); } .btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; } .btn-primary:hover { opacity: 0.88; } .btn-ghost { background: transparent; border: 1.5px solid var(--border); color: var(--text-muted); } .btn-ghost:hover { border-color: var(--accent); color: var(--text); } /* ---- Examples ---- */ .examples { margin-top: 0.85rem; display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; } .examples-label { font-size: 0.75rem; color: var(--text-muted); margin-right: 0.25rem; } .example-btn { background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 0.25rem 0.6rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); cursor: pointer; transition: background 0.12s, border-color 0.12s; } .example-btn:hover { background: var(--border); border-color: var(--accent); } /* ---- Error ---- */ .error-msg { background: rgba(248, 113, 113, 0.12); border: 1px solid var(--red); border-radius: 8px; padding: 0.6rem 0.9rem; color: var(--red); font-size: 0.88rem; margin-bottom: 1rem; } /* ---- Result grid ---- */ .result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.75rem; } .result-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 0.75rem 1rem; } .result-card--wide { grid-column: 1 / -1; } .result-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; margin-bottom: 0.3rem; } .result-value { font-size: 1rem; font-weight: 600; word-break: break-word; } .result-value.mono { font-family: var(--font-mono); font-size: 0.95rem; } .factorization-value { font-size: 1.1rem; color: var(--accent); } .divisors-value { font-size: 0.82rem; color: var(--text-muted); } .value-yes { color: var(--green); } .value-no { color: var(--text-muted); } .tag-prime { color: var(--accent); } .tag-perfect { color: var(--green); } .tag-abundant { color: var(--orange); } .tag-deficient { color: var(--text-muted); } /* ---- Tree ---- */ .tree-container { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; overflow-x: auto; } .tree-text { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text); white-space: pre; line-height: 1.7; } /* ---- Section headings ---- */ .section-heading { font-size: 0.85rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; } .section-heading::after { content: ''; flex: 1; height: 1px; background: var(--border); } /* ---- History ---- */ .history-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.6rem; } .history-list { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; } .history-item { background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: 0.25rem 0.6rem; font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent-2); cursor: pointer; transition: background 0.12s; } .history-item:hover { background: var(--border); } .history-empty { font-size: 0.82rem; color: var(--text-muted); padding: 0.25rem 0; } .btn-xs { padding: 0.25rem 0.6rem; font-size: 0.75rem; } /* ---- Responsive ---- */ @media (max-width: 500px) { .header-title h1 { font-size: 1.3rem; } .result-grid { grid-template-columns: 1fr 1fr; } }