*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f7f8fa;--color-surface:#fff;--color-text:#1a1a2e;--color-muted:#6b7280;--color-accent:#1e3a5f;--color-accent-soft:#e8eef4;--color-success:#2d6a4f;--color-warn:#b08900;--color-border:#e5e7eb;--radius:12px;--touch-min:48px;--nav-height:64px;--header-height:56px;--shadow:0 1px 3px #1e3a5f14}html{-webkit-text-size-adjust:100%;font-size:16px}body{background:var(--color-bg);color:var(--color-text);min-height:100dvh;font-family:system-ui,PingFang HK,Noto Sans TC,sans-serif;line-height:1.5}#root{min-height:100dvh}.app-shell{background:var(--color-bg);flex-direction:column;max-width:480px;min-height:100dvh;margin:0 auto;display:flex}.app-header{z-index:10;height:var(--header-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow);justify-content:center;align-items:center;padding:0 16px;display:flex;position:sticky;top:0}.app-header__title{color:var(--color-accent);font-size:1.125rem;font-weight:600}.app-header__subtitle{color:var(--color-muted);text-align:center;margin-top:2px;font-size:.75rem}.app-main{padding:16px 16px calc(var(--nav-height) + 24px);flex:1;overflow-y:auto}.bottom-nav{width:100%;max-width:480px;height:var(--nav-height);background:var(--color-surface);border-top:1px solid var(--color-border);z-index:20;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 -2px 8px #1e3a5f0f}.bottom-nav__item{color:var(--color-muted);min-height:var(--touch-min);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:4px 2px;font-size:.625rem;text-decoration:none;transition:color 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var(--color-border);border-radius:var(--radius);background:var(--color-surface);width:100%;color:var(--color-text);min-height:var(--touch-min);padding:12px 14px;font-family:inherit;font-size:1rem}.input:focus,.textarea:focus{outline:2px solid var(--color-accent-soft);border-color:var(--color-accent)}.textarea{resize:vertical;min-height:100px;line-height:1.5}.checkbox-row{min-height:var(--touch-min);cursor:pointer;align-items:center;gap:12px;padding:8px 0;display:flex}.checkbox-row input[type=checkbox]{width:22px;height:22px;accent-color:var(--color-accent);flex-shrink:0}.checkbox-row__label{flex:1;font-size:.9375rem}.toggle-row{gap:8px;display:flex}.toggle-btn{min-height:var(--touch-min);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);cursor:pointer;color:var(--color-text);flex:1;font-family:inherit;font-size:.9375rem}.toggle-btn--active{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.task-list{flex-direction:column;gap:8px;display:flex}.task-item{background:var(--color-accent-soft);border-radius:var(--radius);min-height:var(--touch-min);align-items:center;gap:10px;padding:8px 12px;display:flex}.task-item input[type=checkbox]{width:24px;height:24px;accent-color:var(--color-accent);flex-shrink:0}.task-item input[type=text]{color:var(--color-text);background:0 0;border:none;flex:1;padding:4px 0;font-family:inherit;font-size:.9375rem}.task-item input[type=text]:focus{outline:none}.task-item--done input[type=text]{color:var(--color-muted);text-decoration:line-through}.section{margin-bottom:24px}.section__title{color:var(--color-accent);margin-bottom:12px;font-size:1rem;font-weight:600}.progress-bar{background:var(--color-accent-soft);border-radius:4px;height:8px;margin-top:8px;overflow:hidden}.progress-bar__fill{background:var(--color-accent);border-radius:4px;height:100%;transition:width .3s}.radio-group{flex-direction:column;gap:8px;display:flex}.radio-row{min-height:var(--touch-min);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;background:var(--color-surface);align-items:center;gap:10px;padding:8px 12px;display:flex}.radio-row--selected{border-color:var(--color-accent);background:var(--color-accent-soft)}.radio-row input[type=radio]{accent-color:var(--color-accent);width:20px;height:20px}.modal-overlay{z-index:100;background:#0006;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{background:var(--color-surface);border-radius:var(--radius);width:100%;max-width:360px;padding:24px}.modal__title{margin-bottom:8px;font-size:1.125rem;font-weight:600}.modal__text{color:var(--color-muted);margin-bottom:20px;font-size:.9375rem;line-height:1.6}.modal__actions{flex-direction:column;gap:8px;display:flex}.chart-container{width:100%;height:200px;margin-top:8px}.support-message{color:var(--color-accent);background:var(--color-accent-soft);border-radius:var(--radius);margin-top:8px;padding:10px 12px;font-size:.9375rem;font-weight:500}.meal-card{margin-bottom:12px}.empty-state{text-align:center;color:var(--color-muted);padding:32px 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th{color:var(--color-muted);font-weight:500}.mood-selector{flex-wrap:wrap;gap:8px;display:flex}.mood-btn{min-width:56px;min-height:var(--touch-min);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);cursor:pointer;color:var(--color-text);flex:1;font-family:inherit;font-size:.9375rem;transition:background .15s,border-color .15s}.mood-btn--active{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.date-nav{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-bottom:16px;display:flex}.date-nav__btn{border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);cursor:pointer;min-width:44px;min-height:44px;color:var(--color-text);justify-content:center;align-items:center;font-family:inherit;font-size:1.25rem;transition:opacity 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24px}.pin-title{color:var(--color-accent);margin-bottom:4px;font-size:1.25rem;font-weight:700}.pin-subtitle{color:var(--color-muted);margin-bottom:24px;font-size:.9375rem}.pin-input{border:2px solid var(--color-border);border-radius:var(--radius);text-align:center;letter-spacing:4px;background:var(--color-bg);width:100%;margin-bottom:16px;padding:14px;font-family:inherit;font-size:1.25rem}.pin-input:focus{border-color:var(--color-accent);outline:none}.pin-error{color:#dc2626;margin-bottom:12px;font-size:.8125rem}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.calendar-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.calendar-header__title{font-size:1rem;font-weight:600}.calendar-weekday{color:var(--color-muted);text-align:center;padding:4px 0;font-size:.75rem;font-weight:500}.calendar-day{aspect-ratio:1;cursor:pointer;color:var(--color-text);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-family:inherit;font-size:.8125rem;display:flex}.calendar-day:hover{background:var(--color-accent-soft)}.calendar-day--today{border:2px solid var(--color-accent);font-weight:700}.calendar-day--has-data{background:var(--color-accent-soft)}.calendar-day--selected{background:var(--color-accent);color:#fff}.calendar-day--empty{cursor:default}.calendar-day--empty:hover{background:0 0}