:root{--bg:#f8fafc;--card:#fff;--text:#1e293b;--text-secondary:#64748b;--border:#e2e8f0;--primary:#6366f1;--primary-hover:#4f46e5;--danger:#ef4444;--success:#22c55e;--radius:12px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;--shadow-lg:0 4px 12px #0000001a;--nav-height:64px}*{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;overflow-x:hidden}.app{flex-direction:column;min-height:100dvh;display:flex}.app-content{padding-bottom:calc(var(--nav-height) + 16px);flex:1}.page{max-width:480px;margin:0 auto;padding:16px}.pin-screen{background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);justify-content:center;align-items:center;min-height:100dvh;padding:20px;display:flex}.pin-card{background:var(--card);text-align:center;width:100%;max-width:360px;box-shadow:var(--shadow-lg);border-radius:20px;padding:40px 32px}.pin-card h1{color:var(--primary);margin-bottom:8px;font-size:24px;font-weight:700}.pin-subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:14px}.pin-input-row{justify-content:center;gap:12px;margin-bottom:16px;display:flex}.pin-dot{border:2px solid var(--border);border-radius:50%;width:16px;height:16px;transition:all .2s}.pin-dot.filled{background:var(--primary);border-color:var(--primary)}.pin-visible-input{text-align:center;letter-spacing:8px;border:2px solid var(--border);border-radius:10px;outline:none;width:100%;margin-bottom:8px;padding:14px;font-size:24px;transition:border-color .15s}.pin-visible-input:focus{border-color:var(--primary)}.pin-error{color:var(--danger);margin-bottom:12px;font-size:13px}.btn{border:1px solid var(--border);background:var(--card);color:var(--text);cursor:pointer;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:all .15s}.btn:hover{background:#f1f5f9}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-danger:hover{background:#fef2f2}.btn-icon{padding:8px 14px;font-size:18px;line-height:1}.btn-save{width:100%;margin-top:8px;padding:14px;font-size:16px}.btn-save.saved{background:var(--success);border-color:var(--success)}.btn-export{width:100%;margin-top:16px;padding:14px;font-size:16px}.btn-delete{width:100%;margin-top:8px;padding:12px;font-size:14px}.btn-row{gap:8px;margin-top:8px;display:flex}.bottom-nav{height:var(--nav-height);background:var(--card);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);z-index:100;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--text-secondary);border-radius:8px;flex-direction:column;align-items:center;gap:2px;padding:8px 12px;font-size:11px;font-weight:500;text-decoration:none;transition:all .15s;display:flex}.nav-item.active{color:var(--primary)}.nav-item svg{width:22px;height:22px}.date-nav{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.date-display{align-items:center;gap:8px;display:flex}.date-display input[type=date]{color:var(--text);cursor:pointer;background:0 0;border:none;font-size:16px;font-weight:600}.today-badge{background:var(--primary);color:#fff;border-radius:10px;padding:2px 8px;font-size:11px;font-weight:600}.weather-bar{border-radius:var(--radius);color:#3730a3;background:linear-gradient(135deg,#dbeafe 0%,#e0e7ff 100%);align-items:center;gap:16px;margin-bottom:16px;padding:10px 16px;font-size:13px;font-weight:500;display:flex}.entry-form{flex-direction:column;gap:20px;display:flex}.form-section{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.form-section h3{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:14px;font-size:13px}.range-slider{margin-bottom:16px}.range-slider:last-child{margin-bottom:0}.range-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.range-header label{font-size:14px;font-weight:500}.range-badge{background:#f1f5f9;border-radius:10px;padding:2px 10px;font-size:12px;font-weight:600}.range-badge.level-0{color:#065f46;background:#ecfdf5}.range-badge.level-1{color:#854d0e;background:#fef9c3}.range-badge.level-2{color:#9a3412;background:#ffedd5}.range-badge.level-3{color:#9a3412;background:#fed7aa}.range-badge.level-4{color:#991b1b;background:#fecaca}.range-badge.level-5{color:#7f1d1d;background:#fca5a5}input[type=range]{appearance:none;background:#e2e8f0;border-radius:3px;outline:none;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);cursor:pointer;border-radius:50%;width:22px;height:22px;box-shadow:0 1px 4px #0003}.slider.level-0::-webkit-slider-thumb{background:#10b981}.slider.level-1::-webkit-slider-thumb{background:#eab308}.slider.level-2::-webkit-slider-thumb{background:#f97316}.slider.level-3::-webkit-slider-thumb{background:#f97316}.slider.level-4::-webkit-slider-thumb{background:#ef4444}.slider.level-5::-webkit-slider-thumb{background:#dc2626}.range-ticks{color:var(--text-secondary);justify-content:space-between;margin-top:4px;font-size:11px;display:flex}.range-ticks .active{color:var(--primary);font-weight:700}.hs-buttons{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.btn-hs{text-align:center;flex:1;min-width:70px;padding:8px;font-size:13px}.btn-hs.active{background:var(--primary);color:#fff;border-color:var(--primary)}.toggle-row{cursor:pointer;justify-content:space-between;align-items:center;font-size:14px;font-weight:500;display:flex}.toggle{cursor:pointer;background:#cbd5e1;border-radius:14px;width:48px;height:28px;transition:background .2s;position:relative}.toggle.on{background:var(--primary)}.toggle-knob{background:#fff;border-radius:50%;width:22px;height:22px;transition:transform .2s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #00000026}.toggle.on .toggle-knob{transform:translate(20px)}textarea{border:1px solid var(--border);resize:vertical;border-radius:8px;outline:none;width:100%;padding:12px;font-family:inherit;font-size:14px;transition:border-color .15s}textarea:focus{border-color:var(--primary)}.chart-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:16px}.chart-card h3{margin-bottom:12px;font-size:14px;font-weight:600}.chart-container{height:240px;position:relative}.chart-note{color:var(--text-secondary);margin-top:8px;font-size:12px;font-style:italic}.entries-grid{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.entry-cell{aspect-ratio:1;background:#f1f5f9;border-radius:6px;flex-direction:column;justify-content:center;align-items:center;font-size:12px;display:flex;position:relative}.entry-cell.has-data{color:#fff;font-weight:600}.entry-cell.period{border:2px solid #ec4899}.cell-day{font-size:11px}.cell-hs{background:#ffffff4d;border-radius:3px;padding:0 3px;font-size:8px;font-weight:700}.period-toggle{gap:8px;margin-bottom:16px;display:flex}.report-content{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.report-content h2{font-size:20px;font-weight:700}.report-dates{color:var(--text-secondary);margin-top:4px;font-size:13px}.report-entry-count{color:var(--text-secondary);margin-bottom:20px;font-size:13px}.report-summary,.report-correlations,.report-notes{margin-top:20px}.report-summary h3,.report-correlations h3,.report-notes h3{border-bottom:1px solid var(--border);margin-bottom:12px;padding-bottom:8px;font-size:14px;font-weight:600}.summary-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.summary-item{flex-direction:column;gap:2px;display:flex}.summary-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.3px;font-size:12px}.summary-value{font-size:22px;font-weight:700}.summary-trend{font-size:12px;font-weight:600}.summary-trend.better{color:#16a34a}.summary-trend.worse{color:#dc2626}.summary-trend.stable{color:var(--text-secondary)}.report-correlations ul{padding:0;list-style:none}.report-correlations li{background:#fefce8;border-left:3px solid #eab308;border-radius:8px;margin-bottom:8px;padding:10px 12px;font-size:13px;line-height:1.4}.note-entry{border-bottom:1px solid var(--border);padding:12px 0}.note-entry:last-child{border-bottom:none}.note-date{color:var(--text-secondary);font-size:12px;font-weight:600}.note-entry p{margin-top:4px;font-size:14px;line-height:1.5}.hs-note{color:#be185d;font-style:italic}.settings h2{margin-bottom:20px}.settings-section{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:16px}.settings-section h3{text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);margin-bottom:12px;font-size:13px}.setting-row{justify-content:space-between;align-items:center;margin-top:12px;display:flex}.setting-row label{font-size:14px}.setting-row input[type=time]{border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:14px}.setting-warning{color:var(--danger);margin-top:8px;font-size:12px}.pin-change-form input{border:1px solid var(--border);text-align:center;letter-spacing:4px;border-radius:8px;width:100%;padding:10px;font-size:16px}.pin-msg{color:var(--text-secondary);text-align:center;margin-top:8px;font-size:13px}.loading-state{justify-content:center;padding:60px 0;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}.spinner-small{border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (width>=768px){.page{max-width:560px;padding:24px}.summary-grid{grid-template-columns:repeat(3,1fr)}}