/* Carbon Origins Research Hub — landing + auth pages. Blue Morpho identity. */
@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600&display=swap');

:root{
  --deep-carbon:#0F1117; --graphite:#1A1D27; --line:#2E3340; --line-soft:#242834;
  --text:#C4CAD6; --text-strong:#EAEEF5; --text-dim:#8B93A4; --text-faint:#626B7D;
  --cobalt:#3A7AB8; --cobalt-hi:#5B97D1; --cobalt-tint:rgba(58,122,184,0.12);
  --irid:#278A93; --irid-hi:#72C8D4;
  --op:#97C459; --op-bg:rgba(99,153,34,0.12);
  --caution:#EF9F27; --caut-bg:rgba(186,117,23,0.12);
  --critical:#F09595; --crit-bg:rgba(226,75,74,0.12);
  --glass:rgba(255,255,255,0.04); --glass-2:rgba(255,255,255,0.06); --glass-brd:rgba(255,255,255,0.08);
  --mono:'JetBrains Mono',Consolas,monospace;
  --sans:'Atkinson Hyperlegible',Calibri,system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);font-size:15px;line-height:1.7;color:var(--text);
  background:radial-gradient(1200px 600px at 80% -10%,rgba(58,122,184,.10),transparent 60%),
             radial-gradient(900px 500px at 0% 100%,rgba(39,138,147,.07),transparent 55%),var(--deep-carbon);
  background-attachment:fixed;-webkit-font-smoothing:antialiased;min-height:100vh}

.topbar{display:flex;align-items:center;gap:16px;height:60px;padding:0 24px;
  border-bottom:1px solid var(--line-soft);background:rgba(15,17,23,.82);
  backdrop-filter:blur(24px);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:inherit}
.mark{width:26px;height:26px}
.brand b{color:var(--text-strong)}
.brand .sub{color:var(--text-faint);font-family:var(--mono);font-size:11px;
  text-transform:uppercase;letter-spacing:.12em}
.spacer{flex:1}
.signout{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  color:var(--text-faint);text-decoration:none;padding:6px 12px;border-radius:20px;
  border:1px solid var(--glass-brd);transition:150ms}
.signout:hover{color:var(--text-strong);background:var(--glass)}

.wrap{max-width:1080px;margin:0 auto;padding:40px 24px 80px}

.hero{padding:24px 0 8px}
.hero .over{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.14em;
  color:var(--cobalt-hi);margin-bottom:12px}
.hero .over::before{content:'// ';color:var(--irid)}
.hero h1{font-size:38px;line-height:1.1;margin:0 0 12px;color:var(--text-strong);letter-spacing:-.02em}
.hero .lede{font-size:16px;color:var(--text-dim);max-width:62ch;margin:0}
.chips{display:flex;gap:8px;margin-top:18px;flex-wrap:wrap}
.chip{font-family:var(--mono);font-size:11px;padding:4px 11px;border-radius:20px;
  background:var(--glass);border:1px solid var(--glass-brd);color:var(--text-dim)}
.chip b{color:var(--text-strong)}

.sec{display:flex;align-items:baseline;gap:12px;margin:44px 0 18px}
.sec h2{font-size:13px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.12em;
  color:var(--text-dim);margin:0}
.sec h2::before{content:'// ';color:var(--cobalt)}
.sec .rule{flex:1;height:1px;background:var(--line-soft)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.proj{display:block;padding:20px;border-radius:12px;border:1px solid var(--glass-brd);
  background:var(--glass);text-decoration:none;color:inherit;
  transition:150ms cubic-bezier(.16,1,.3,1)}
.proj:hover{background:var(--glass-2);transform:translateY(-2px);border-color:rgba(58,122,184,.45)}
.p-top{display:flex;align-items:center;gap:7px;margin-bottom:11px}
.p-go{margin-left:auto;color:var(--text-faint)}
.proj:hover .p-go{color:var(--cobalt-hi)}
.proj h3{margin:0 0 7px;font-size:17px;color:var(--text-strong);line-height:1.3}
.proj p{margin:0;font-size:13px;color:var(--text-dim);line-height:1.6}

.pill{display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:10px;
  font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:3px 9px;
  border-radius:20px;border:1px solid}
.pill.lock{color:var(--caution);background:var(--caut-bg);border-color:rgba(239,159,39,.35)}
.pill.open{color:var(--op);background:var(--op-bg);border-color:rgba(151,196,89,.3)}
.pill.st-op{color:var(--op);background:var(--op-bg);border-color:rgba(151,196,89,.3)}
.pill.st-cobalt{color:var(--cobalt-hi);background:var(--cobalt-tint);border-color:rgba(91,151,209,.3)}
.pill.st-caution{color:var(--caution);background:var(--caut-bg);border-color:rgba(239,159,39,.35)}

.p-foot{display:flex;align-items:center;gap:8px;margin-top:14px;padding-top:12px;
  border-top:1px solid var(--line-soft)}
.tags{display:flex;gap:5px;flex-wrap:wrap;flex:1}
.tag{font-family:var(--mono);font-size:9.5px;color:var(--text-faint);
  border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.upd{font-family:var(--mono);font-size:10px;color:var(--text-faint);white-space:nowrap}

footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:60px;
  padding-top:20px;border-top:1px solid var(--line-soft);
  font-family:var(--mono);font-size:11px;color:var(--text-faint)}
footer a{color:var(--text-faint);text-decoration:none}
footer a:hover{color:var(--cobalt-hi)}

/* ---------- auth pages (login / sent / denied) ---------- */
.auth{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:420px;padding:32px;border-radius:14px;
  border:1px solid var(--glass-brd);background:rgba(26,29,39,.7);backdrop-filter:blur(24px)}
.auth-card .over{font-family:var(--mono);font-size:11px;text-transform:uppercase;
  letter-spacing:.12em;color:var(--cobalt-hi);margin-bottom:10px}
.auth-card .over::before{content:'// ';color:var(--irid)}
.auth-card h1{font-size:22px;margin:0 0 8px;color:var(--text-strong)}
.auth-card p{font-size:14px;color:var(--text-dim);margin:0 0 20px}
.auth-card label{display:block;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--text-faint);margin-bottom:6px}
.auth-card input[type=email]{width:100%;height:42px;padding:0 14px;background:var(--glass);
  border:1px solid var(--glass-brd);border-radius:8px;color:var(--text-strong);
  font-family:var(--sans);font-size:15px;transition:150ms}
.auth-card input[type=email]:focus{outline:none;border-color:var(--cobalt);
  box-shadow:0 0 0 2px var(--cobalt-tint)}
.auth-card button{width:100%;height:42px;margin-top:16px;border:0;border-radius:8px;
  background:var(--cobalt);color:#fff;font-family:var(--sans);font-size:15px;font-weight:700;
  cursor:pointer;transition:150ms}
.auth-card button:hover{background:var(--cobalt-hi)}
.auth-card button:active{transform:scale(.98)}
.auth-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:12px;color:var(--text-faint);line-height:1.6}
.auth-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;
  justify-content:center;margin-bottom:16px;border:1px solid}
.auth-icon.ok{color:var(--op);background:var(--op-bg);border-color:rgba(151,196,89,.3)}
.auth-icon.no{color:var(--critical);background:var(--crit-bg);border-color:rgba(240,149,149,.3)}

/* ---------- dynamic landing (personalized) ---------- */
#authbar{display:flex;align-items:center;gap:12px}
.who{font-family:var(--mono);font-size:11px;color:var(--text-dim);
  max-width:34ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.signin-btn{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;
  color:#fff;text-decoration:none;padding:7px 16px;border-radius:20px;background:var(--cobalt);
  transition:150ms}
.signin-btn:hover{background:var(--cobalt-hi)}
.chip.muted{color:var(--text-faint)}
.pill.dom{color:var(--cobalt-hi);background:var(--cobalt-tint);border-color:rgba(91,151,209,.35)}
.pill.link{color:var(--irid-hi);background:rgba(39,138,147,.12);border-color:rgba(114,200,212,.32)}
.share-btn{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:8px;border:1px solid var(--glass-brd);background:var(--glass);
  color:var(--text-dim);cursor:pointer;transition:150ms;padding:0}
.share-btn:hover{color:var(--cobalt-hi);border-color:rgba(58,122,184,.5);background:var(--glass-2)}
.proj:has(.share-btn) .p-go{margin-left:8px}
.reason{font-family:var(--mono);font-size:10px;color:var(--irid-hi);margin:10px 0 0;
  text-transform:uppercase;letter-spacing:.06em}
.empty{grid-column:1/-1;padding:40px 24px;text-align:center;color:var(--text-dim);
  border:1px dashed var(--line);border-radius:12px;background:var(--glass);font-size:14px}

/* ---------- Share dialog (modal) ---------- */
.modal-back{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;
  padding:24px;background:rgba(9,10,14,.68);backdrop-filter:blur(4px)}
.modal{width:100%;max-width:480px;max-height:88vh;overflow:auto;border-radius:16px;
  border:1px solid var(--glass-brd);background:var(--graphite);
  box-shadow:0 24px 64px rgba(0,0,0,.5);padding:24px}
.m-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px}
.m-head .over{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.12em;
  color:var(--cobalt-hi);margin-bottom:6px}
.m-head .over::before{content:'// ';color:var(--irid)}
.m-head h2{margin:0;font-size:19px;color:var(--text-strong);line-height:1.3}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:9px;border:1px solid var(--glass-brd);background:var(--glass);color:var(--text-dim);
  cursor:pointer;flex:none;transition:150ms;padding:0}
.icon-btn:hover{color:var(--text-strong);background:var(--glass-2)}
.icon-btn.sm{width:28px;height:28px}
.m-sec{margin-top:20px}
.m-sec>label{display:block;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;
  letter-spacing:.08em;color:var(--text-faint);margin-bottom:10px}
.add-row{display:flex;gap:8px;margin-bottom:12px}
.add-email{flex:1;min-width:0}
.modal input[type=email],.modal input[type=date],.modal input.link-input,.modal select{
  height:40px;padding:0 12px;background:var(--deep-carbon);border:1px solid var(--glass-brd);
  border-radius:8px;color:var(--text-strong);font-family:var(--sans);font-size:14px;transition:150ms}
.modal input:focus,.modal select:focus{outline:none;border-color:var(--cobalt);box-shadow:0 0 0 2px var(--cobalt-tint)}
.add-exp{width:150px}
.ga-select{width:100%;cursor:pointer}
.people{display:flex;flex-direction:column;gap:6px}
.person{display:flex;align-items:center;gap:11px;padding:8px 10px;border-radius:10px;
  border:1px solid var(--line-soft);background:var(--glass)}
.avatar{width:30px;height:30px;border-radius:50%;flex:none;display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:13px;color:#fff;
  background:linear-gradient(135deg,var(--cobalt),var(--irid))}
.pinfo{flex:1;min-width:0}
.pemail{color:var(--text-strong);font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prole{font-family:var(--mono);font-size:10px;color:var(--text-faint);margin-top:1px}
.link-row{display:flex;gap:8px;margin-top:10px}
.link-input{flex:1;min-width:0;color:var(--cobalt-hi)!important;cursor:text}
.btn-primary{height:40px;padding:0 18px;border:0;border-radius:8px;background:var(--cobalt);color:#fff;
  font-family:var(--sans);font-size:14px;font-weight:700;cursor:pointer;transition:150ms;flex:none}
.btn-primary:hover{background:var(--cobalt-hi)}
.btn-primary:disabled{opacity:.5;cursor:default}
.btn-primary.sm{height:40px;padding:0 14px}
.m-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:24px;
  padding-top:16px;border-top:1px solid var(--line-soft)}
.muted{color:var(--text-faint)}
.small{font-size:12px}
.loading{padding:30px;text-align:center;color:var(--text-dim);font-family:var(--mono);font-size:12px}

@media(max-width:700px){.hero h1{font-size:28px}.wrap{padding:28px 18px 60px}.add-row{flex-wrap:wrap}.add-exp{width:100%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
::selection{background:rgba(58,122,184,.4);color:#fff}