:root{--bg:#fff8f3;--card:#fff;--text:#3d2f2a;--text2:#9a8578;--accent:#ff8a5c;--accent-soft:#ffe8dd;--border:#f0e2d8;--danger:#e5484d;--radius:16px}body[data-theme=calm]{--bg:#f3f7ff;--card:#fff;--text:#2c3547;--text2:#8b98ad;--accent:#5c9dff;--accent-soft:#e2edff;--border:#e0e9f5}body[data-theme=forest]{--bg:#f2faf4;--card:#fff;--text:#2c3f33;--text2:#88a391;--accent:#5cb87a;--accent-soft:#ddf0e2;--border:#dcece1}body[data-theme=dark]{--bg:#1b1b22;--card:#26262f;--text:#eeeef2;--text2:#8d8da0;--accent:#6c5ce7;--accent-soft:#2e2a4a;--border:#34343f}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background .3s,color .3s}.app{flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;padding-bottom:76px;display:flex}.app-header{padding:20px 20px 8px}.logo-row{align-items:baseline;gap:10px;display:flex}.logo{font-size:26px}.logo-row h1{letter-spacing:.5px;font-size:26px;font-weight:800}.tagline{color:var(--text2);font-size:13px}.app-main{flex:1;padding:12px 16px}.card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:0 2px 12px #0000000d}.tab-bar{background:var(--card);border-top:1px solid var(--border);width:100%;max-width:480px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));z-index:100;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tab-bar-item{cursor:pointer;color:var(--text2);background:0 0;border:none;border-radius:10px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:6px 0;font-size:11px;display:flex}.tab-bar-item.active{color:var(--accent);background:var(--accent-soft)}.tab-icon{font-size:20px}.mood-input h3{margin-bottom:16px;font-size:18px}.mood-row{justify-content:space-between;gap:6px;margin-bottom:20px;display:flex}.mood-btn{border:2px solid var(--border);background:var(--card);cursor:pointer;border-radius:14px;flex-direction:column;flex:1;align-items:center;gap:4px;padding:10px 2px;transition:transform .15s,border-color .15s;display:flex}.mood-btn:active{transform:scale(.95)}.mood-btn.selected{border-width:2px}.mood-emoji{font-size:28px}.mood-label{color:var(--text2);font-size:10px}.activity-section h4,.note-section h4,.stats-view h4,.settings-view h3,.settings-view h4{color:var(--text2);margin:14px 0 8px;font-size:14px}.activity-group{margin-bottom:8px}.activity-group-label{text-transform:uppercase;color:var(--text2);opacity:.7;margin-bottom:4px;font-size:10px;display:block}.activity-chips{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1px solid var(--border);background:var(--card);cursor:pointer;color:var(--text);border-radius:999px;padding:5px 12px;font-size:12px}.chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.chip-x{color:inherit;cursor:pointer;background:0 0;border:none;margin-left:4px;font-size:13px}.note-section textarea{border:1px solid var(--border);resize:vertical;background:var(--card);width:100%;color:var(--text);border-radius:10px;padding:10px;font-family:inherit;font-size:14px}.btn-text{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:4px 0;font-size:13px}.save-row{align-items:center;gap:10px;margin-top:18px;display:flex}.saved-hint{color:var(--text2);font-size:11px}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;padding:12px 28px;font-size:15px;font-weight:700}.btn-secondary{background:var(--accent-soft);color:var(--accent);cursor:pointer;border:none;border-radius:10px;padding:8px 16px;font-size:13px;font-weight:600}.btn-danger{color:var(--danger);border:1px solid var(--danger);cursor:pointer;background:0 0;border-radius:10px;padding:8px 16px;font-size:13px}.save-btn{width:100%;margin-top:16px}.calendar-view .view-toggle,.range-toggle{gap:6px;margin-bottom:14px;display:flex}.tab{border:1px solid var(--border);background:var(--card);color:var(--text2);cursor:pointer;border-radius:999px;padding:6px 14px;font-size:12px}.tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}.month-nav{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.month-nav button{background:var(--accent-soft);color:var(--accent);cursor:pointer;border:none;border-radius:50%;width:32px;height:32px;font-size:18px}.month-title{font-size:16px;font-weight:700}.cal-grid{grid-template-columns:repeat(7,1fr);gap:3px;display:grid}.cal-header{margin-bottom:4px}.cal-dow{text-align:center;color:var(--text2);font-size:10px}.cal-cell{aspect-ratio:1;background:var(--accent-soft);border-radius:6px}.cal-cell.empty{background:0 0}.pixels-grid{flex-direction:column;gap:3px;display:flex}.pixel-row{grid-template-columns:14px repeat(31,1fr);align-items:center;gap:2px;display:grid}.pixel-month{color:var(--text2);text-align:center;font-size:9px}.pixel{aspect-ratio:1;background:var(--border);border-radius:2px}.pixel.empty{background:0 0}.pixel-legend{justify-content:center;gap:10px;margin-top:12px;display:flex}.legend-item{color:var(--text2);align-items:center;gap:4px;font-size:11px;display:flex}.legend-item i{border-radius:2px;width:10px;height:10px;display:inline-block}.stat-cards{gap:10px;margin-bottom:14px;display:flex}.stat-card{background:var(--card);text-align:center;border-radius:12px;flex:1;padding:12px}.stat-label{color:var(--text2);font-size:11px;display:block}.stat-value{color:var(--accent);font-size:24px;font-weight:800;display:block}.stat-sub{color:var(--text2);font-size:10px;display:block}.chart-box{background:var(--card);border-radius:12px;margin-bottom:14px;padding:14px}.empty-state{text-align:center;color:var(--text2);padding:40px 0;font-size:14px}.insights{background:var(--card);border-radius:12px;padding:14px}.insight-list{margin-bottom:8px;list-style:none}.insight-list li{align-items:center;gap:8px;padding:6px 0;font-size:13px;display:flex}.insight-emoji{font-size:18px}.insight-text b{color:var(--accent)}.insight-note{color:var(--text2);font-size:12px}.settings-view .card,.settings-view{background:0 0}.setting-block{background:var(--card);border-radius:12px;margin-bottom:10px;padding:14px}.setting-block h4{margin-top:0}.setting-block input[type=password],.setting-block input[type=time],.add-activity-row input{border:1px solid var(--border);background:var(--card);width:100%;color:var(--text);border-radius:10px;padding:9px 12px;font-size:14px}.setting-block input[type=time]{width:120px}.hint{color:var(--text2);margin-top:6px;font-size:11px}.theme-row{gap:10px;display:flex}.theme-dot{cursor:pointer;border:3px solid #0000;border-radius:50%;width:34px;height:34px}.theme-dot.active{border-color:var(--text)}.add-activity-row{gap:6px;margin-top:8px;display:flex}.add-activity-row .emoji-input{flex:none;width:52px}.add-activity-row input{flex:1}.backup-row{gap:8px;display:flex}.danger h4{color:var(--danger)}.pin-screen{background:var(--bg);min-height:100dvh;color:var(--text);flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex}.pin-logo{font-size:48px}.pin-screen h1{font-size:24px}.pin-screen p{color:var(--text2);font-size:14px}.pin-dots{gap:10px;margin:16px 0;display:flex}.pin-dot{border:2px solid var(--border);border-radius:50%;width:14px;height:14px;transition:background .15s,border-color .15s}.pin-dot.filled{background:var(--accent);border-color:var(--accent)}.pin-dot.error{background:var(--danger);border-color:var(--danger);animation:.4s shake}.pin-error{color:var(--danger);margin-top:4px;font-size:13px}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.pin-pad{grid-template-columns:repeat(3,72px);gap:10px;margin-top:8px;display:grid}.pin-key{border:1px solid var(--border);background:var(--card);height:64px;color:var(--text);cursor:pointer;border-radius:14px;font-size:22px}.pin-key:active{background:var(--accent-soft)}