/* Corvus design system v2 tokens — docs/CORVUS_DESIGN.md, pasted as-is. */
:root{
  --bg:#0c0d10; --panel:#141518; --raised:#1d1e22; --overlay:#26272c;
  --line:#26282d; --line-2:#1c1d21;
  --ink:#eceef1; --ink-2:#b3b7be; --ink-3:#858a92;
  --good:#3ecf8e; --warn:#e8b54a; --bad:#f26b6b;
  --good-tint:#1a2f29; --warn-tint:#322b1f; --bad-tint:#332124;
  --c-lucia:#5c9eff; --c-lexie:#f3b539; --c-romy:#d885d6;
  --c-cherry:#fc6568; --c-katherine:#7da200;
  --s1:0 1px 2px rgba(0,0,0,.30); --s2:0 4px 12px rgba(0,0,0,.35); --s3:0 12px 32px rgba(0,0,0,.45);
  --r-sm:6px; --r-md:10px; --r-lg:14px;
  --font:"Geist","Inter",ui-sans-serif,system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#edeef1; --panel:#f7f8fa; --raised:#ffffff; --overlay:#ffffff;
  --line:#dfe1e6; --line-2:#e9ebef;
  --ink:#16181c; --ink-2:#454a53; --ink-3:#676c75;
  --good:#157a45; --warn:#925c00; --bad:#c0262d;
  --good-tint:#dce9e4; --warn-tint:#ebe5dc; --bad-tint:#f0dfe1;
  --c-lucia:#176cdc; --c-lexie:#a85d11; --c-romy:#b23797;
  --c-cherry:#cc2538; --c-katherine:#467d10;
  --s1:0 1px 2px rgba(16,24,40,.06); --s2:0 4px 12px rgba(16,24,40,.08); --s3:0 12px 32px rgba(16,24,40,.12);
  color-scheme:light;
}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.5;
     font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}

/* ---------------------------------------------------------------- base */
*,*::before,*::after{box-sizing:border-box}
h1,h2,h3,p{margin:0}
h1{font-size:28px;font-weight:600;letter-spacing:-.02em;line-height:1.15}
h2{font-size:17px;font-weight:600}
h3{font-size:15px;font-weight:600}
a{color:inherit}
button,textarea,input{font:inherit;color:inherit}
button{cursor:pointer}
svg{flex:none;display:block}
.muted{color:var(--ink-3)}
.label{font-size:12.5px;color:var(--ink-3)}
[hidden]{display:none !important}

/* ---------------------------------------------------------------- top bar */
.topbar{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:16px;height:52px;padding:0 16px;margin:0 auto;max-width:760px}
.wide .topbar-inner{max-width:1440px}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px;text-decoration:none}
.brand img{width:22px;height:auto}
.nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav a{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:var(--r-sm);color:var(--ink-2);
       text-decoration:none;font-weight:500;white-space:nowrap}
.nav a:hover{background:var(--raised);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--raised);color:var(--ink)}
.nav .count{font-size:12px;color:var(--ink-3)}
.topbar-right{margin-left:auto;display:flex;gap:4px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:0;
          border-radius:var(--r-sm);background:transparent;color:var(--ink-3)}
.icon-btn:hover{background:var(--raised);color:var(--ink)}

/* ---------------------------------------------------------------- shell */
.shell{max-width:760px;margin:0 auto;padding:16px 16px 96px;display:flex;flex-direction:column;gap:16px}
.wide .shell{max-width:1440px}
.panel{background:var(--panel);border-radius:var(--r-md)}
.stack{display:flex;flex-direction:column;gap:16px}

/* ---------------------------------------------------------------- yap box */
.yap{padding:12px}
.yap-form{display:flex;gap:8px;align-items:flex-end}
.yap textarea{flex:1;min-height:56px;max-height:320px;resize:none;border:0;outline:0;border-radius:var(--r-sm);
              background:var(--raised);padding:12px 14px;font-size:15px;line-height:1.45}
.yap textarea::placeholder{color:var(--ink-3)}
.yap textarea:focus-visible{box-shadow:0 0 0 1px var(--line),0 0 0 3px var(--overlay)}
.yap-hint{display:flex;justify-content:space-between;gap:8px;margin-top:8px;font-size:12.5px;color:var(--ink-3)}
.yap.busy textarea{opacity:.6}
.yap-result:empty{display:none}
.yap-result{margin-top:12px;display:flex;flex-direction:column;gap:8px}

.btn{display:inline-flex;align-items:center;gap:6px;text-decoration:none;height:36px;padding:0 14px;border-radius:var(--r-sm);
     border:0;font-weight:500;background:var(--raised);color:var(--ink)}
.btn:hover{background:var(--overlay)}
.btn.primary{background:var(--ink);color:var(--bg)}
.btn.primary:hover{opacity:.9}
.btn.ghost{background:transparent;color:var(--ink-2)}
.btn.ghost:hover{background:var(--raised);color:var(--ink)}
.btn[disabled]{opacity:.5;cursor:default}
.btn.send{height:56px}

.notice{display:flex;gap:8px;align-items:flex-start;padding:10px 12px;border-radius:var(--r-sm);
        background:var(--raised);color:var(--ink-2)}
.notice strong{color:var(--ink);font-weight:600}
.notice.warn{background:var(--warn-tint)}
.notice.warn strong{color:var(--warn)}
.notice.bad{background:var(--bad-tint)}
.notice.bad strong{color:var(--bad)}
.notice.good{background:var(--good-tint)}
.notice.good strong{color:var(--good)}

.preview-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.cards{display:flex;flex-direction:column;background:var(--raised);border-radius:var(--r-sm)}
.card{padding:10px 12px;display:flex;flex-direction:column;gap:6px}
.card + .card{border-top:1px solid var(--line)}
.card-line{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.card-verb{font-size:12px;font-weight:500;color:var(--ink-3);min-width:44px}
.card-title{font-weight:500}
.card .chips{padding-left:52px}
.card-warn{font-size:12.5px;color:var(--warn);padding-left:52px}
.card-problem{font-size:12.5px;color:var(--bad);padding-left:52px}
.card-note{font-size:12.5px;color:var(--ink-2);padding-left:52px}
.candidates{display:flex;flex-direction:column;gap:4px;padding-left:52px}
.candidate{display:flex;justify-content:space-between;gap:8px;text-align:left;border:0;border-radius:var(--r-sm);
           padding:6px 10px;background:var(--overlay);color:var(--ink)}
.candidate:hover{outline:1px solid var(--line)}
.preview-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.answer{white-space:pre-wrap;padding:10px 12px;border-radius:var(--r-sm);background:var(--raised)}
.applied{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px;color:var(--ink-2)}
.applied li{display:flex;gap:8px;align-items:center}
.applied svg{color:var(--good)}

/* ---------------------------------------------------------------- page header */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:8px 0 12px;
           border-bottom:1px solid var(--line)}
.page-head p{margin-top:4px;color:var(--ink-3)}
.page-controls{display:flex;gap:4px;align-items:center}

/* ---------------------------------------------------------------- chips, creators */
.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:4px;height:20px;padding:0 7px;border-radius:var(--r-sm);
      font-size:12px;font-weight:500;background:var(--raised);color:var(--ink-2);white-space:nowrap}
/* On a raised surface a neutral chip steps up one tone, or it vanishes. */
.cards .chip:not(.warn):not(.bad):not(.good),
.row > summary:hover .chip:not(.warn):not(.bad):not(.good),
.row[open] > summary .chip:not(.warn):not(.bad):not(.good),
.day.today .chip:not(.warn):not(.bad):not(.good){background:var(--overlay)}
.chip.warn{background:var(--warn-tint);color:var(--warn)}
.chip.bad{background:var(--bad-tint);color:var(--bad)}
.chip.good{background:var(--good-tint);color:var(--good)}
.creator{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink);white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:var(--dot-dark,var(--ink-3))}
:root[data-theme="light"] .dot{background:var(--dot-light,var(--ink-3))}
.time{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;color:var(--ink-2);white-space:nowrap}

/* ---------------------------------------------------------------- task rows */
.list{display:flex;flex-direction:column;overflow:visible}
.row{border-top:1px solid var(--line-2)}
.row:first-child{border-top:0}
.row > summary{list-style:none;display:flex;gap:10px;align-items:flex-start;padding:10px 8px 10px 12px;cursor:pointer;
               border-radius:var(--r-md)}
.row > summary::-webkit-details-marker{display:none}
.row > summary:hover{background:var(--raised)}
.row[open] > summary{background:var(--raised);border-radius:var(--r-md) var(--r-md) 0 0}
.check{flex:none;width:20px;height:20px;margin-top:1px;border-radius:var(--r-sm);border:1.5px solid var(--ink-3);
       background:transparent;display:inline-flex;align-items:center;justify-content:center;color:transparent;padding:0}
.check:hover{border-color:var(--ink)}
.row.done .check{background:var(--good-tint);border-color:var(--good);color:var(--good)}
.row-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.row-title{font-weight:500;overflow-wrap:anywhere}
.row.done .row-title{color:var(--ink-3);text-decoration:line-through;text-decoration-color:var(--ink-3)}
.row-meta:empty{display:none}
.row-side{flex:none;display:flex;align-items:center;gap:4px}
.row-details{padding:4px 16px 14px 42px;background:var(--raised);border-radius:0 0 var(--r-md) var(--r-md);
             display:flex;flex-direction:column;gap:8px;color:var(--ink-2)}
.row-details .said{white-space:pre-wrap}
.row-details .history{margin:0;padding:0;list-style:none;font-size:12.5px;color:var(--ink-3)}
.menu-wrap{position:relative}
.menu{position:absolute;right:0;top:34px;z-index:30;min-width:160px;padding:4px;border-radius:var(--r-md);
      background:var(--overlay);box-shadow:var(--s3);display:flex;flex-direction:column}
.menu button{display:flex;gap:8px;align-items:center;border:0;background:transparent;text-align:left;
             padding:8px 10px;border-radius:var(--r-sm);color:var(--ink)}
.menu button:hover{background:var(--raised)}
.menu button.danger{color:var(--bad)}

.lane{background:var(--panel);border-radius:var(--r-md)}
.lane > summary{list-style:none;display:flex;align-items:center;gap:8px;padding:12px 14px;cursor:pointer;
                font-weight:500;color:var(--ink-2)}
.lane > summary::-webkit-details-marker{display:none}
.lane > summary svg{transition:transform .15s}
.lane[open] > summary svg{transform:rotate(180deg)}
.lane .list{padding:0 4px 4px}

.empty{padding:40px 16px;text-align:center;display:flex;flex-direction:column;gap:4px;align-items:center}
.empty strong{font-weight:600}
.empty span{color:var(--ink-3);max-width:360px}

/* ---------------------------------------------------------------- week */
.week{display:grid;grid-template-columns:1fr;gap:16px}
.day{background:var(--panel);border-radius:var(--r-md);display:flex;flex-direction:column;min-width:0}
.day-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;padding:10px 12px;
          border-bottom:1px solid var(--line-2)}
.day-head h3{font-size:15px}
.day.today{background:var(--raised)}
.day.today .day-head{border-bottom-color:var(--line)}
.day.past .day-head h3{color:var(--ink-3)}
.day .list{padding:4px}
.day .row > summary{padding:8px 6px;gap:8px}
.day .row-title{font-size:13.5px}
.day .row-details{padding:4px 10px 10px 34px}
.day-empty{padding:12px;font-size:12.5px;color:var(--ink-3)}
@media (min-width: 1100px){
  .week{grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}
  .day{min-height:220px}
  .day .row .chips{gap:4px}
}

/* ---------------------------------------------------------------- toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);z-index:50;display:flex;gap:12px;align-items:center;
       max-width:calc(100% - 32px);padding:10px 10px 10px 14px;border-radius:var(--r-md);background:var(--overlay);
       box-shadow:var(--s3)}
.toast .btn{height:30px}

/* ---------------------------------------------------------------- login */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.login-box{width:100%;max-width:360px;padding:24px;display:flex;flex-direction:column;gap:16px}
.login-box input{height:44px;border:0;border-radius:var(--r-sm);background:var(--raised);padding:0 12px;outline:0}
.login-box input:focus-visible{box-shadow:0 0 0 1px var(--line),0 0 0 3px var(--overlay)}

@media (max-width: 700px){
  h1{font-size:24px}
  .topbar-inner{gap:8px;padding:0 8px 0 16px}
  .brand span{display:none}
  .nav{gap:0}
  .nav a{padding:6px 8px;gap:4px}
  .nav a svg{display:none}
  .topbar-right .icon-btn{width:28px}
  .card .chips,.card-warn,.card-problem,.card-note,.candidates{padding-left:0}
  .btn.send{width:56px;padding:0;justify-content:center}
  .btn.send .send-label{display:none}
}