:root{--bg: #ffffff;--surface: #fafafa;--text: #111111;--text-muted: #8a8a8a;--line: #e6e6e6;--ink: #111111;--font-serif: "Times New Roman", Times, Georgia, serif;--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--nav-bg: rgba(255, 255, 255, .92);--nav-h: 60px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}:root[data-theme=dark]{--bg: #121212;--surface: #1c1c1e;--text: #f2f2f2;--text-muted: #9a9a9a;--line: #2c2c2e;--ink: #f2f2f2;--nav-bg: rgba(18, 18, 18, .9)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #121212;--surface: #1c1c1e;--text: #f2f2f2;--text-muted: #9a9a9a;--line: #2c2c2e;--ink: #f2f2f2;--nav-bg: rgba(18, 18, 18, .9)}}:root[data-font=sans]{--font-serif: var(--font-ui)}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;background:var(--bg);color:var(--text);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none;overflow-x:hidden}#app{min-height:100dvh}button{font-family:inherit;color:inherit;cursor:pointer}.app{min-height:100dvh;padding:calc(var(--safe-top) + 8px) 20px calc(var(--nav-h) + var(--safe-bottom) + 24px);max-width:640px;margin:0 auto}.screen{animation:fade .18s ease}@keyframes fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.cap-head{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px 0 8px}.cap-nav{display:flex;align-items:center;justify-content:center;gap:6px}.cap-arrow{background:none;border:none;color:var(--text-muted);font-size:30px;line-height:1;padding:4px 14px}.cap-arrow:disabled{opacity:.25}.cap-date{position:relative;font-family:var(--font-serif);font-size:26px;letter-spacing:.2px;cursor:pointer}.cap-date-caret{font-family:var(--font-ui);font-size:14px;color:var(--text-muted);margin-left:6px;vertical-align:middle}.cap-date-input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:0;border:none;padding:0;margin:0;cursor:pointer}.cap-today{font-size:13px;color:var(--text-muted);text-transform:lowercase}.mood-face{color:var(--ink);display:block}.cubes{display:flex;gap:6px;margin:22px 0}.cube{flex:1 1 0;min-width:0;aspect-ratio:1 / 1;border:2px solid var(--ink);background:transparent;border-radius:6px;padding:0;transition:background .08s ease,transform .08s ease}.cube.filled{background:var(--ink)}.cube:active{transform:scale(.92)}.note{width:100%;min-height:38vh;border:1px solid var(--line);border-radius:12px;padding:16px;font-family:var(--font-serif);font-size:19px;line-height:1.55;color:var(--text);background:var(--surface);resize:none;outline:none}.note:focus{border-color:var(--ink)}.save-btn{width:100%;margin-top:18px;padding:16px;font-size:17px;font-weight:600;color:var(--bg);background:var(--text);border:none;border-radius:12px}.save-btn:disabled{background:var(--line);color:var(--text-muted)}.save-btn.is-saved{opacity:.6}.feed-row{display:grid;grid-template-columns:40px 1fr auto;grid-template-areas:"face date rating" "face note note";align-items:center;gap:2px 14px;width:100%;text-align:left;background:transparent;border:none;border-bottom:1px solid var(--line);padding:16px 2px}.feed-row .mood-face{grid-area:face;color:var(--ink)}.feed-date{grid-area:date;font-family:var(--font-serif);font-size:19px}.feed-rating{grid-area:rating;color:var(--text-muted);font-size:15px}.feed-note{grid-area:note;color:var(--text-muted);font-family:var(--font-serif);font-size:15px;margin-top:2px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.empty{text-align:center;color:var(--text-muted);font-family:var(--font-serif);font-size:18px;margin-top:22vh;padding:0 24px;line-height:1.5}.settings h2{font-family:var(--font-serif);font-weight:400;font-size:22px;margin:26px 0 10px}.settings .row-btn{width:100%;text-align:left;padding:16px;font-size:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px}.hint{color:var(--text-muted);font-size:14px;line-height:1.5;margin:6px 2px 16px}.screen-title{font-family:var(--font-serif);font-weight:400;font-size:26px;text-align:center;margin:22px 0 6px}.mood-chart{display:block;width:100%;margin:14px 0 4px;color:var(--ink)}.ch-line{fill:none;stroke:var(--ink);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.ch-dot{fill:var(--ink)}.ch-axis{stroke:var(--line);stroke-width:1}.ch-grid{stroke:var(--line);stroke-width:1;stroke-dasharray:3 3}.ch-lbl{fill:var(--text-muted);font-size:10px;font-family:var(--font-ui)}.ch-stat{text-align:center;color:var(--text-muted);font-size:14px;margin-top:8px}.chart-card{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:14px 14px 10px;margin-bottom:16px}.chart-title{font-family:var(--font-serif);font-size:18px;margin-bottom:4px}.bar-chart{display:block;width:100%;color:var(--ink)}.bar{fill:var(--ink)}.bar-empty{fill:#d8d8d8}.ch-line-faint{stroke:#c9c9c9;stroke-width:1.2}.ch-trend{fill:none;stroke:var(--ink);stroke-width:2.4;stroke-linejoin:round;stroke-linecap:round}.heatmap,.rose,.ridgeline,.spiral{display:block;width:100%;color:var(--ink)}.rose,.spiral{max-width:300px;margin:0 auto}.empty-sm{color:var(--text-muted);font-family:var(--font-serif);font-size:15px;text-align:center;padding:18px 8px;line-height:1.5}.words-cols{display:flex;gap:14px}.words-col{flex:1 1 0;min-width:0}.words-head{font-family:var(--font-serif);font-size:14px;margin-bottom:6px;padding-bottom:4px;border-bottom:1px solid var(--line)}.words-head.good{color:#1e7d34}.words-head.bad{color:#b03a3a}.word-row{display:flex;justify-content:space-between;gap:8px;padding:3px 0;font-size:15px}.word-row .word{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.word-row .word-avg{color:var(--text-muted);flex:none}.opt-label{font-size:13px;color:var(--text-muted);margin:16px 2px 7px}.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}.seg-btn{flex:1 1 0;background:transparent;border:none;padding:11px 6px;font-size:14px;color:var(--text-muted)}.seg-btn+.seg-btn{border-left:1px solid var(--line)}.seg-btn.on{background:var(--ink);color:var(--bg);font-weight:600}.cloud{margin-bottom:4px}.cloud-status{font-family:var(--font-serif);font-size:17px;margin:4px 0 10px}.field{width:100%;padding:13px 14px;margin-bottom:10px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);font-size:16px;outline:none}.field:focus{border-color:var(--ink)}.link-btn{display:block;background:none;border:none;color:var(--text-muted);font-size:14px;padding:10px 2px 2px}.cloud-error{color:#b03a3a;font-size:14px;margin-top:10px}.durability{display:flex;flex-direction:column;gap:14px}.dur-row{display:flex;gap:12px;align-items:flex-start}.dur-ico{flex:none;width:20px;text-align:center;font-size:17px;color:var(--text-muted)}.dur-row.ok .dur-ico{color:#1e7d34}.dur-title{font-size:15px;font-weight:600}.dur-sub{font-size:13px;color:var(--text-muted);line-height:1.5}.dur-sub .link-btn{display:inline;padding:0;color:var(--brand, #1e7d34);text-decoration:underline}.dur-banner{display:flex;align-items:center;gap:10px;background:#fff3cd;color:#6b5a2a;border:1px solid #e0c98a;border-radius:12px;padding:10px 12px;margin-bottom:14px;font-size:13px;line-height:1.4}.dur-banner-actions{margin-left:auto;flex:none;display:flex;align-items:center;gap:4px}.dur-banner-btn{background:#1a1a1a;color:#fff;border:none;border-radius:8px;padding:7px 12px;font-size:13px;font-weight:600}.dur-banner-x{background:none;border:none;color:#6b5a2a;font-size:22px;line-height:1;padding:0 4px}.enc-recovery{border:2px solid #b8860b;background:#fffaf0;color:#1a1a1a;border-radius:10px;padding:14px;margin:4px 0 8px}.enc-recovery-title{font-weight:700;margin-bottom:8px;color:#1a1a1a}.enc-recovery-hint{font-size:13px;line-height:1.5;color:#6b5a2a;margin:0 0 12px}.enc-done-btn{width:100%;padding:14px;font-size:16px;font-weight:600;background:#1a1a1a;color:#fff;border:none;border-radius:10px}.enc-recovery-key{display:block;font-family:Courier New,monospace;font-size:16px;letter-spacing:1px;word-break:break-all;background:#fff;border:1px solid #e0c98a;border-radius:6px;padding:10px;margin-bottom:10px;-webkit-user-select:all;user-select:all;color:#1a1a1a}.bottom-nav{position:fixed;left:0;right:0;bottom:0;height:calc(var(--nav-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);display:flex;background:var(--nav-bg);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-top:1px solid var(--line)}.nav-btn{flex:1;background:transparent;border:none;font-size:13px;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.nav-btn .nav-ico{font-size:20px;line-height:1}.nav-btn.active{color:var(--text);font-weight:600}