:root{
  --bg:#eef4fc;
  --ink:#0d1930;
  --muted:#69758a;
  --line:#dbe4f1;
  --cursor:#db6b6b;
  --status:#13b981;
  --med:#6361ff;
  --meal:#f29b42;
  --gutter:40px;
  --radius:22px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC",sans-serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
button,input,textarea{font-family:inherit}
button{cursor:pointer;border:0;color:inherit}
.hidden{display:none!important}

.app{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}

/* ---------- Auth ---------- */
.auth-screen{flex:1;display:flex;flex-direction:column;justify-content:center;padding:28px 24px;gap:14px}
.brand-mark{width:74px;height:74px;border-radius:22px;display:grid;place-items:center;background:linear-gradient(140deg,#7c89e0,#4e5cba);color:#fff;font-size:30px;font-weight:900;box-shadow:0 14px 34px rgba(78,92,186,.4)}
.auth-screen .eyebrow{margin:0;color:#4e5cba;font-weight:800;font-size:14px;letter-spacing:0}
.auth-screen h1{margin:0;font-size:34px;font-weight:900}
.auth-copy{margin:0;color:var(--muted);line-height:1.6}
.phuze-widget{margin-top:6px;border-radius:20px;overflow:hidden;min-height:160px}
.phuze-widget:empty{min-height:120px;border:1px dashed var(--line);border-radius:18px;background:#fff}
.phuze-widget input,.phuze-widget button{width:100%!important;border-radius:15px!important;font:inherit!important}
.message{color:#d14343;font-size:13px;min-height:18px;margin:0;text-align:center}
.demo-link{align-self:center;background:none;color:#4e5cba;font-weight:700;padding:6px 0;text-decoration:underline}

/* ---------- Header ---------- */
.diary{flex:1;display:flex;flex-direction:column;min-height:0}
.fixed-panel{padding:10px 14px 6px;display:flex;flex-direction:column;gap:10px}
.fixed-panel header{display:flex;align-items:center;justify-content:center;position:relative;min-height:38px}
.fixed-panel header h1{margin:0;font-size:18px;font-weight:800}
.fixed-panel header p{display:none}
.avatar{position:absolute;right:0;top:0;width:38px;height:38px;border-radius:50%;background:#fff;color:var(--ink);font-size:15px;display:grid;place-items:center;box-shadow:0 4px 14px rgba(13,25,48,.12)}
.tools{position:absolute;right:0;top:46px;z-index:30;background:#fff;border-radius:16px;box-shadow:0 16px 40px rgba(13,25,48,.18);padding:8px;display:none;flex-direction:column;gap:2px;min-width:210px}
.tools.open{display:flex}
.tools .account{font-size:12px;color:var(--muted);padding:8px 10px 4px;word-break:break-all}
.tools button{background:none;text-align:left;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--ink);width:100%}
.tools button:hover{background:#f1f4fb}
.tools .danger{color:#d14343}
.tools .label{font-size:11px;color:var(--muted);padding:8px 10px 0;text-transform:uppercase;letter-spacing:.04em}
.tools .seg{display:flex;gap:6px;padding:6px 8px}
.tools .seg button{flex:1;text-align:center;border:1px solid var(--line);border-radius:10px;padding:8px 0;font-weight:700}
.tools .seg button.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.sync-note{background:#fff7e6;border:1px solid #f6e2b3;color:#9a6a13;border-radius:14px;padding:10px 12px;font-size:13px}

/* date picker */
.date-picker{display:flex;align-items:center;gap:8px;background:#fff;border-radius:var(--radius);padding:8px;box-shadow:0 6px 18px rgba(13,25,48,.06)}
.date-picker>button{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#f7faff;color:#3b6ef0;font-size:20px;line-height:1}
.date-picker label{flex:1;position:relative;text-align:center;font-weight:800;font-size:17px}
.date-picker label input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.today-btn{border:1px solid var(--line);background:#f7faff;border-radius:12px;height:40px;padding:0 12px;font-weight:700;color:#3b6ef0;font-size:13px}

/* lane heads */
.lane-heads{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;padding-left:var(--gutter)}
.lane-heads button{border:1px solid transparent;border-radius:18px;padding:12px 6px;display:flex;flex-direction:column;align-items:center;gap:3px;background:#fff;line-height:1.1}
.lane-heads button strong{font-size:15px;font-weight:900}
.lane-heads button small{font-size:12px;font-weight:700;color:var(--muted)}
.lane-heads button[data-type="status"]{background:color-mix(in srgb,var(--status) 12%,#fff);border-color:color-mix(in srgb,var(--status) 35%,#fff)}
.lane-heads button[data-type="med"]{background:color-mix(in srgb,var(--med) 12%,#fff);border-color:color-mix(in srgb,var(--med) 35%,#fff)}
.lane-heads button[data-type="meal"]{background:color-mix(in srgb,var(--meal) 12%,#fff);border-color:color-mix(in srgb,var(--meal) 35%,#fff)}

/* ---------- Timeline ---------- */
.timeline{position:relative;flex:1;min-height:0;margin:6px 14px 0}
.timeline-scroll{position:absolute;inset:0;overflow-y:auto;-webkit-overflow-scrolling:touch}
.timeline-content{position:relative;display:grid;grid-template-columns:var(--gutter) 1fr 1fr 1fr;column-gap:10px}
.lane-cell{grid-row:1;position:relative;border-radius:14px}
.lane-cell.status{grid-column:2;background:color-mix(in srgb,var(--status) 10%,transparent)}
.lane-cell.med{grid-column:3;background:color-mix(in srgb,var(--med) 10%,transparent)}
.lane-cell.meal{grid-column:4;background:color-mix(in srgb,var(--meal) 10%,transparent)}
.grid-layer{position:absolute;inset:0;pointer-events:none}
.grid-line{position:absolute;left:var(--gutter);right:0;height:1px;background:var(--line)}
.grid-line.major{height:1.4px;background:#cdd8ea}
.grid-label{position:absolute;left:0;width:calc(var(--gutter) - 4px);text-align:right;font-size:10px;font-weight:700;color:var(--muted);transform:translateY(-50%)}
.event-card{position:absolute;background:#fff;border-radius:16px;padding:9px 11px;box-shadow:0 10px 22px rgba(13,25,48,.1);overflow:hidden;cursor:pointer}
.event-card::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--c)}
.event-card time{display:block;font-size:11px;font-weight:800;color:var(--muted);margin-top:4px}
.event-card h3{margin:2px 0 0;font-size:14px;font-weight:800;line-height:1.2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.event-card p{margin:2px 0 0;font-size:11px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nowline{position:absolute;left:0;right:0;height:2px;background:var(--cursor);opacity:.5;pointer-events:none}

/* fixed center record panel */
.record-bar{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);display:grid;grid-template-columns:var(--gutter) 1fr 1fr 1fr;column-gap:10px;pointer-events:none;z-index:5;height:48px}
.record-bar .rail{grid-column:1 / -1;grid-row:1;height:44px;border-radius:14px;background:color-mix(in srgb,var(--cursor) 12%,#fff 70%);border:1.5px solid color-mix(in srgb,var(--cursor) 45%,transparent);box-shadow:0 8px 22px rgba(219,107,107,.18);align-self:center}
.record-bar .line{grid-column:1 / -1;grid-row:1;height:2px;background:var(--cursor);align-self:center;margin:0 6px}
.record-bar .time-pill{grid-column:3;grid-row:1;justify-self:center;align-self:center;transform:translateY(-34px);background:#fff;border:1.5px solid var(--cursor);color:var(--cursor);font-weight:900;font-size:13px;padding:3px 12px;border-radius:999px;font-variant-numeric:tabular-nums;box-shadow:0 4px 10px rgba(219,107,107,.2)}
.record-bar .plus{grid-row:1;justify-self:center;align-self:center;width:30px;height:30px;border-radius:50%;color:#fff;font-size:18px;line-height:1;display:grid;place-items:center;pointer-events:auto;box-shadow:0 3px 8px rgba(13,25,48,.2)}
.record-bar .plus.status{background:var(--status);grid-column:2}
.record-bar .plus.med{background:var(--med);grid-column:3}
.record-bar .plus.meal{background:var(--meal);grid-column:4}

/* ---------- Sheet ---------- */
.backdrop{position:fixed;inset:0;background:rgba(13,25,48,.4);display:none;align-items:flex-end;justify-content:center;z-index:50}
.backdrop.open{display:flex}
.sheet{background:#fff;width:100%;max-width:480px;border-radius:24px 24px 0 0;padding:14px 18px 28px;max-height:88dvh;overflow:auto}
.grab{width:42px;height:5px;border-radius:3px;background:#dfe5ef;margin:2px auto 12px}
.sheet h2{margin:6px 0 4px;font-size:20px}
.sheet .hint{margin:0 0 12px;color:var(--muted);font-size:14px}
.choices{display:flex;flex-direction:column;gap:10px}
.choice{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:#fbfcff;border-radius:16px;padding:14px;font-weight:800;font-size:16px;text-align:left}
.choice b{font-size:22px}
.choice span{font-weight:500;color:var(--muted);font-size:13px;margin-left:auto;text-align:right}
.form label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin:14px 0 6px}
.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px;font-size:15px;background:#fbfcff}
.form textarea{min-height:80px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chips button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600}
.form .actions{display:flex;gap:10px;margin-top:18px}
.form .actions button{flex:1;border-radius:14px;padding:13px;font-size:15px;font-weight:800}
.form .secondary{background:#eef1f7;color:var(--ink)}
.form .primary{background:var(--ink);color:#fff}
.form .delete{width:100%;margin-top:12px;background:#fdecec;color:#d14343;border-radius:14px;padding:13px;font-weight:800}