:root{--bg: #fdf6ec;--fg: #2d2a26;--muted: #7a7268;--accent: #c44536;--accent-2: #e6a23c;--ok: #4f7942;--card: #ffffff;--border: #ebe0d2;--shadow: 0 6px 18px rgba(45, 42, 38, .08);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;padding:0;min-height:100%;background:var(--bg);color:var(--fg)}#app{max-width:880px;margin:0 auto;padding:24px 20px 80px}h1,h2,h3{margin:0 0 12px;font-weight:600}h1{font-size:26px}h2{font-size:18px;color:var(--muted)}.layout{display:flex;flex-direction:column;gap:20px}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--border);padding-bottom:0}.tab{padding:10px 16px;cursor:pointer;border:none;background:transparent;font-size:15px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.card{background:var(--card);border-radius:14px;padding:22px;box-shadow:var(--shadow);border:1px solid var(--border)}.timer-display{font-size:84px;font-weight:700;letter-spacing:4px;text-align:center;margin:16px 0;font-variant-numeric:tabular-nums;color:var(--accent)}.tag-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:12px 0}.tag-chip{padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:14px;transition:all .15s}.tag-chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}.btn{padding:10px 22px;border-radius:10px;border:none;cursor:pointer;font-size:15px;font-weight:500;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{opacity:.9}.btn-secondary{background:#fff;color:var(--fg);border:1px solid var(--border)}.btn-secondary:hover{background:#f3ece1}.btn-ghost{background:transparent;color:var(--muted)}.btn-ghost:hover{color:var(--accent)}.btn-row{display:flex;gap:10px;justify-content:center;margin-top:10px}.tag-label{text-align:center;color:var(--muted);margin:4px 0 0;font-size:14px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#2d2a2673;display:flex;align-items:center;justify-content:center;z-index:99}.modal{background:var(--card);border-radius:14px;padding:22px;width:min(440px,92vw);box-shadow:0 10px 30px #00000026}.modal h3{margin-bottom:10px}.modal p{color:var(--muted);margin:0 0 14px;font-size:14px}.modal textarea{width:100%;min-height:90px;padding:10px;font-size:15px;border:1px solid var(--border);border-radius:8px;font-family:inherit;resize:vertical}.modal textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}.empty{color:var(--muted);text-align:center;padding:30px 10px;font-size:14px}.entry{border-bottom:1px solid var(--border);padding:12px 4px}.entry:last-child{border-bottom:none}.entry-meta{font-size:12px;color:var(--muted);display:flex;gap:10px;align-items:center}.entry-content{margin-top:4px;font-size:15px;line-height:1.5}.entry-tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#fdf0e6;color:var(--accent)}.group-title{font-size:16px;font-weight:600;margin:14px 0 6px;color:var(--fg)}.summary-row{display:flex;gap:14px;margin:10px 0;flex-wrap:wrap}.summary-cell{flex:1 1 100px;background:#fdf0e6;border-radius:10px;padding:10px 12px}.summary-cell .v{font-size:20px;font-weight:700;color:var(--accent)}.summary-cell .k{font-size:12px;color:var(--muted)}.header{display:flex;justify-content:space-between;align-items:center}.header small{color:var(--muted);font-size:12px}.toolbar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.toolbar select,.toolbar button{font-size:14px}.toolbar select{padding:6px 10px;border-radius:8px;border:1px solid var(--border);background:#fff}