:root{--paper:#EEF2F0;--surface:#FFFFFF;--ink:#1D3530;--muted:#5B6F6A;--line:#D3DCD9;--sky:#DCE6EC;--ridge1:#A9BCCA;--ridge2:#7593AB;--ridge3:#3F5F79;--mine:#A3326B;--mine-soft:#F6E1EB;--taken:#DCE3E1;--free:#FFFFFF;--sel:#2F6B5E;--on-sel:#FFFFFF;--warn:#8A5200;--warn-soft:#FBEFD9;--err:#A12C2C;box-sizing:border-box;padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0);color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--paper:#121A19;--surface:#1A2625;--ink:#E2EBE8;--muted:#9AACA7;--line:#2D3C3A;--sky:#1B2A33;--ridge1:#24394A;--ridge2:#2F4C63;--ridge3:#42678A;--mine:#EB8ABA;--mine-soft:#3F2234;--taken:#253331;--free:#1A2625;--sel:#74B9A7;--on-sel:#0F1A18;--warn:#E9B465;--warn-soft:#3A2E17;--err:#F08B8B;color-scheme:dark}}:root[data-theme=dark]{--paper:#121A19;--surface:#1A2625;--ink:#E2EBE8;--muted:#9AACA7;--line:#2D3C3A;--sky:#1B2A33;--ridge1:#24394A;--ridge2:#2F4C63;--ridge3:#42678A;--mine:#EB8ABA;--mine-soft:#3F2234;--taken:#253331;--free:#1A2625;--sel:#74B9A7;--on-sel:#0F1A18;--warn:#E9B465;--warn-soft:#3A2E17;--err:#F08B8B;color-scheme:dark}*,:after,:before{box-sizing:inherit}html{scroll-padding-top:env(safe-area-inset-top,0)}body{margin:0;background:var(--paper);color:var(--ink);font-family:Atkinson Hyperlegible,system-ui,-apple-system,Segoe UI,sans-serif;font-size:16px;line-height:1.5}img,svg{max-width:100%}button,input,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--sel);outline-offset:2px}.top{position:relative;background:var(--sky);overflow:hidden;min-height:150px}.top svg{position:absolute;left:0;right:0;bottom:0;width:100%;height:110px;display:block}.top .inner{position:relative;max-width:1040px;margin:0 auto;padding:22px 18px 0;display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.brand h1{font-family:"Young Serif",Georgia,Times New Roman,serif;font-weight:400;font-size:clamp(1.5rem,4vw,2.1rem);line-height:1.1;margin:0}.brand p{margin:4px 0 0}.brand p,.who{color:var(--muted)}.who{font-size:.9rem;text-align:right;padding-top:6px}nav{background:var(--ridge3)}nav .inner{max-width:1040px;margin:0 auto;display:flex;gap:2px;overflow-x:auto;padding:0 10px}nav button{background:none;border:0;color:#E8EFF3;padding:12px 12px 10px;border-bottom:3px solid transparent;white-space:nowrap;cursor:pointer}nav button[aria-current=page]{border-bottom-color:#F2C6DA;font-weight:700}main{max-width:1040px;margin:0 auto;padding:18px 16px 40px}h2{font-family:"Young Serif",Georgia,serif;font-weight:400;font-size:1.35rem;margin:20px 0 8px}h3{font-size:1rem;margin:18px 0 6px}.hint,.muted{color:var(--muted)}.hint{font-size:.95rem;margin:12px 0 0}.notice{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;max-width:640px}.picker{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}input[type=date],input[type=number],input[type=text],select{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-height:40px;max-width:100%}label{display:block;font-size:.92rem;margin-bottom:12px}label span{display:block;margin-bottom:4px;font-weight:700}.weekbar{display:flex;align-items:center;gap:6px;margin:8px 0 4px}.days{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:4px;gap:4px;flex:1 1;min-width:0}.day{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 2px;cursor:pointer;line-height:1.15;text-align:center}.day small{display:block;font-size:.72rem;color:var(--muted)}.day[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}.day[aria-pressed=true] small{color:inherit}.day.today:not([aria-pressed=true]){border-color:var(--sel);border-width:2px}.icon{border:1px solid var(--line);background:var(--surface);border-radius:8px;width:36px;height:44px;cursor:pointer;font-size:1.2rem;flex:none}.gridwrap{overflow-x:auto;margin-top:6px}.grid{display:grid;grid-template-columns:58px repeat(var(--cols),minmax(76px,1fr));grid-gap:3px;gap:3px;min-width:360px}.rh{font-weight:700;font-size:.85rem;padding:4px 2px;line-height:1.2;position:-webkit-sticky;position:sticky;top:0;background:var(--paper)}.rh small{display:block;font-weight:400}.rh small,.th{color:var(--muted)}.th{font-size:.78rem;text-align:right;padding:10px 6px 0 0}.cell{height:44px;border-radius:6px;border:1px solid var(--line);background:var(--free);font-size:.75rem;padding:0 4px;cursor:pointer;white-space:nowrap}.cell,.cell span{overflow:hidden;text-overflow:ellipsis}.cell span{display:block}.cell.free:hover,.cell.sel{border-color:var(--sel)}.cell.sel{background:var(--sel);color:var(--on-sel);font-weight:700}.cell.mine{background:var(--mine-soft);border-color:var(--mine);color:var(--mine);cursor:default}.cell.taken{background:var(--taken);border-color:transparent;color:var(--muted);cursor:default}.cell.closed{background:transparent;border-style:dashed;cursor:default;opacity:.55}.cell.groupcol{border-left-width:3px}.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-top:10px}.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-right:5px}.legend i,.selbar{border:1px solid var(--line)}.selbar{position:-webkit-sticky;position:sticky;bottom:calc(8px + env(safe-area-inset-bottom,0px));margin-top:14px;background:var(--surface);border-radius:12px;padding:12px 14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;box-shadow:0 6px 22px rgba(20,40,36,.14)}.selbar .what{flex:1 1;min-width:200px}.selbar .what span{display:block;color:var(--muted);font-size:.9rem}.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 14px;min-height:40px;cursor:pointer}.btn.primary{background:var(--sel);border-color:var(--sel);color:var(--on-sel);font-weight:700}.btn.danger{border-color:var(--err);color:var(--err)}.btn.small{min-height:32px;padding:4px 10px;font-size:.88rem}.btn:disabled{opacity:.5;cursor:default}.list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}.list,.row{display:flex}.row{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;gap:10px;align-items:center;flex-wrap:wrap}.row .grow{flex:1 1;min-width:180px}.row .sub{color:var(--muted);font-size:.9rem}.chip{display:inline-block;padding:1px 9px;border-radius:999px;font-size:.8rem;background:var(--taken);color:var(--ink);margin-left:4px;vertical-align:1px}.chip.warn{background:var(--warn-soft);color:var(--warn)}.chip.ok{background:color-mix(in srgb,var(--sel) 18%,var(--surface));color:var(--sel)}.chip.mine{background:var(--mine-soft);color:var(--mine)}.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px;margin-top:8px}.formgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));grid-gap:0 14px;gap:0 14px}details>summary{cursor:pointer;font-weight:700;padding:6px 0}.tablewrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;font-size:.92rem}td,th{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{font-weight:700;color:var(--muted);font-size:.82rem}td.num,th.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}tfoot td{font-weight:700;border-bottom:0}.heat{display:grid;grid-template-columns:58px repeat(7,minmax(38px,1fr));grid-gap:2px;gap:2px;min-width:340px}.heat div{font-size:.75rem;text-align:center;padding:5px 0;border-radius:4px}.heat .hd{color:var(--muted);font-weight:700}.heat .hl{color:var(--muted);text-align:right;padding-right:6px}.stats{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 14px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 14px;min-width:120px}.stat b{display:block;font-size:1.3rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stat span{font-size:.85rem;color:var(--muted)}#toast{position:fixed;left:50%;bottom:calc(18px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:10px;max-width:min(92vw,520px);font-size:.95rem;display:none;z-index:10}#toast.err{background:var(--err);color:#fff}@media (prefers-reduced-motion:no-preference){#toast.show{animation:pop .18s ease-out}}@keyframes pop{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}a{color:var(--sel)}.inner-auth{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}.linkbtn{background:none;border:0;padding:0;color:inherit;text-decoration:underline;cursor:pointer;font:inherit}nav a{display:inline-block;color:#E8EFF3;padding:12px 12px 10px;border-bottom:3px solid transparent;white-space:nowrap;text-decoration:none}nav a[aria-current=page]{border-bottom-color:#F2C6DA;font-weight:700}.flash{border-radius:10px;padding:10px 14px;margin:0 0 14px;max-width:760px}.flash.ok{background:color-mix(in srgb,var(--sel) 14%,var(--surface));border:1px solid var(--sel)}.flash.err{background:color-mix(in srgb,var(--err) 12%,var(--surface));border:1px solid var(--err);color:var(--err)}.field-note{display:block;margin-top:4px;color:var(--muted);font-size:.85rem;font-weight:400}input[type=email],textarea{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:8px 10px;width:100%}input[type=email]{min-height:40px;max-width:100%}input[type=date],input[type=number],input[type=text],select{width:100%}.picker select{width:auto}.inline{display:inline}.stack>*+*{margin-top:8px}.btnrow{display:flex;gap:8px;flex-wrap:wrap;align-items:center}