:root{--bg:#f6f8fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--faint:#9ca3af;--blue:#2f6fed;--blue-soft:#e8f0fe;--orange:#e8710a;--orange-soft:#fdf1e3;--green:#1e8e3e;--red:#d93025;--line:#e5e9f0;--radius:14px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:IBM Plex Sans Thai,Noto Sans Thai,Sarabun,system-ui,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button,input,textarea,select{font-family:inherit}.app-shell{max-width:560px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.appbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;position:sticky;top:0;background:var(--bg);z-index:5}.appbar .logo{font-weight:700;font-size:19px;color:var(--blue)}.appbar .user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}.avatar{width:32px;height:32px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.seg{display:flex;gap:6px;padding:0 16px 10px}.seg button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;font-size:13px;color:var(--muted)}.seg button.on{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}.weekstrip{display:flex;justify-content:space-between;padding:8px 12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.day{flex:1;text-align:center;padding:6px 0;border-radius:12px;border:none;background:transparent;cursor:pointer}.day .dow{font-size:11px;color:var(--faint)}.day .num{font-size:15px;font-weight:600;margin-top:2px}.day .dots{display:flex;gap:4px;justify-content:center;margin-top:4px;height:6px}.dot{width:5px;height:5px;border-radius:50%;background:var(--blue)}.dot.warn{background:var(--orange)}.day.today{background:var(--blue-soft)}.day.today .num{color:var(--blue)}.day.selected{outline:2px solid var(--blue)}.agenda{flex:1;padding:14px 14px 110px}.seg-spacer{flex:1}.weekday{margin-bottom:14px}.weekday-head{border:none;background:transparent;font-size:13px;font-weight:700;color:var(--muted);padding:4px 2px;cursor:pointer;text-align:left}.weekday-head.today{color:var(--blue)}.weekday-empty{color:var(--faint);font-size:13px;padding:4px 2px}.ev.compact{padding:9px 12px;margin-bottom:7px;border-radius:11px}.ev.compact .title{font-size:14px}.month-head{font-size:16px;font-weight:700;margin:2px 2px 10px}.month-dow{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:4px}.month-dow-c{font-size:11px;color:var(--faint);text-align:center;font-weight:600}.month-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.month-cell{border:1px solid var(--line);background:#fff;border-radius:9px;min-height:64px;padding:4px 3px;cursor:pointer;text-align:left;overflow:hidden}.month-cell.empty-cell{border:none;background:transparent;cursor:default}.month-cell.today{border-color:var(--blue);background:var(--blue-soft)}.mc-num{font-size:12px;font-weight:700;color:var(--muted)}.month-cell.today .mc-num{color:var(--blue)}.mc-items{margin-top:3px;display:flex;flex-direction:column;gap:2px}.mc-item{font-size:10.5px;line-height:1.3;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mc-item.warn{color:var(--orange);font-weight:700}.mc-more{font-size:10px;color:var(--faint)}.settings{padding:6px 16px 110px}.st-group{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 14px;margin-bottom:12px}.st-h{font-size:13px;font-weight:700;color:var(--muted);margin-bottom:8px}.st-row{display:flex;align-items:center;gap:10px}.st-row input{border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:14px;width:90px;background:#fbfcfe}.st-row input:last-of-type{width:90px}.st-note{font-size:11.5px;color:var(--faint)}.st-err{color:var(--red);font-size:13px;margin-bottom:10px}.st-ok{color:var(--green);font-size:13px;font-weight:600;margin-bottom:10px}.section{font-size:12px;color:var(--faint);font-weight:600;margin:14px 4px 8px;letter-spacing:.4px}.ev{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);padding:12px 14px;margin-bottom:10px;width:100%;text-align:left;cursor:pointer;display:block}.ev .time{font-size:13px;font-weight:700}.ev .title{font-size:15px;font-weight:600;margin-top:2px}.ev .meta{font-size:12.5px;color:var(--muted);margin-top:5px;display:flex;gap:10px;flex-wrap:wrap}.ev .meta .bell{color:var(--blue)}.ev.conflict{border-left-color:var(--orange);background:var(--orange-soft)}.warnbadge{display:inline-flex;align-items:center;gap:5px;background:#fff;border:1px solid #f3c99b;color:var(--orange);font-size:11.5px;font-weight:700;border-radius:999px;padding:3px 9px;margin-top:7px}.allday{border-left:4px solid #8e44ad;background:#f5eefc;font-size:13px;padding:9px 14px;margin-bottom:10px;border-radius:12px;border:1px solid #e4d3f2}.empty{color:var(--faint);font-size:14px;text-align:center;padding:40px 10px}.quickadd{position:fixed;left:50%;transform:translate(-50%);bottom:14px;width:min(560px,calc(100% - 24px));background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 8px 8px 16px;display:flex;align-items:center;gap:8px;box-shadow:0 8px 22px #14285024}.quickadd 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env(safe-area-inset-bottom));width:min(560px,100%);max-height:88dvh;overflow:auto}.grab{width:38px;height:4px;background:#d5dbe4;border-radius:2px;margin:0 auto 12px}.sheet h3{font-size:16px;font-weight:700;margin-bottom:12px}.kv{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14.5px;align-items:center}.kv .k{width:26px;color:var(--muted)}.kv .v{flex:1;font-weight:600}.kv input,.kv select{border:1px solid var(--line);border-radius:8px;padding:7px 9px;font-size:14px;width:100%}.chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}.chip{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;color:var(--muted);cursor:pointer}.chip.on{background:var(--blue-soft);border-color:var(--blue);color:var(--blue);font-weight:700}.conflictbox{background:var(--orange-soft);border:1px solid #f3c99b;border-radius:12px;padding:11px 13px;margin-top:12px;font-size:13.5px}.conflictbox b{color:var(--orange)}.conflictbox .opts{display:flex;gap:8px;margin-top:9px;flex-wrap:wrap}.mini{border:1px solid var(--line);background:#fff;border-radius:9px;padding:6px 11px;font-size:12.5px;font-weight:600;cursor:pointer}.mini.primary{background:var(--green);border-color:var(--green);color:#fff}.ambig{font-size:12.5px;color:var(--orange);margin-top:9px}.sheet-actions{display:flex;gap:10px;margin-top:16px}.btn{flex:1;border-radius:12px;padding:13px;font-size:15px;font-weight:700;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer}.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn.danger{color:var(--red);border-color:#f0c4c2}.btn:disabled{opacity:.5;cursor:not-allowed}.modal{position:fixed;left:50%;transform:translate(-50%);bottom:0;width:min(560px,100%);max-height:92dvh;background:#fff;border-radius:22px 22px 0 0;z-index:20;display:flex;flex-direction:column;overflow:hidden}.modal-head{padding:16px 18px 10px;border-bottom:1px solid var(--line)}.modal-head 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var(--line);border-radius:11px;padding:10px 12px;font-size:13.5px;background:#fbfcfe}.ritem .off{font-weight:700}.ritem select{border:1px solid var(--line);border-radius:7px;padding:4px 6px;font-size:12px}.addrow{border:1.5px dashed #c6cfdb;border-radius:11px;padding:10px 12px;display:flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);flex-wrap:wrap}.addrow input{border:1px solid var(--line);border-radius:7px;padding:5px 8px;width:64px;font-size:13px}.modal-actions{display:flex;gap:10px;padding:14px 18px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}.toast{position:fixed;left:50%;transform:translate(-50%);bottom:84px;background:#22314a;color:#fff;border-radius:999px;padding:10px 18px;font-size:13.5px;display:flex;gap:14px;align-items:center;box-shadow:0 8px 20px #0a14284d;z-index:40}.toast .undo{color:#8fb8ff;font-weight:700;background:none;border:none;cursor:pointer;font-size:13.5px}.landing{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 24px;text-align:center;background:linear-gradient(180deg,#eef4ff 0%,var(--bg) 60%)}.landing .logo-big{font-size:34px;font-weight:800;color:var(--blue)}.landing .tag{color:var(--muted);margin:10px 0 34px;font-size:15px;line-height:1.7;max-width:420px}.landing .cta{display:flex;flex-direction:column;gap:12px;width:min(340px,100%)}.landing .cta .btn{padding:16px;font-size:16px}.auth{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;padding:28px 22px;background:var(--bg)}.auth .logo{font-size:24px;font-weight:800;color:var(--blue);text-align:center;margin-bottom:6px}.auth .sub{color:var(--muted);font-size:13.5px;text-align:center;margin-bottom:22px}.auth .card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;max-width:400px;width:100%;margin:0 auto}.auth .field input{background:#fff}.auth .err{color:var(--red);font-size:13px;margin-bottom:10px}.auth .switch{margin-top:14px;font-size:13px;color:var(--muted);text-align:center}.auth .switch button{background:none;border:none;color:var(--blue);font-weight:600;cursor:pointer;font-size:13px}.google-btn{width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:12px}.google-btn:disabled{opacity:.55;cursor:not-allowed}.divider{display:flex;align-items:center;gap:10px;color:var(--faint);font-size:12px;margin-top:16px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.pwa-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f192d73;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px}.pwa-card{background:#fff;border-radius:16px;padding:22px;max-width:340px;width:100%;box-shadow:0 18px 44px #0a19324d}.pwa-card h3{font-size:16px;font-weight:700;margin-bottom:8px}.pwa-card p{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:14px}.pwa-card .row{display:flex;gap:10px}.pwa-card label{display:flex;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);margin-top:12px}