/* The sign-in page, from design/login.html (Claude Design). Copied unchanged --
   edit the design first and re-copy, so the two never drift. */
:root{
  --font-sans:'Sora',sans-serif;
  --ink:#1a1640; --ink-2:#4b4770; --ink-secondary:#6b6790; --ink-muted:#9490bb;
  --ground:#f4f5fa; --surface:#fff; --line:#eeedf5; --line-input:#e8e7f2;
  --brand:#cc0000;
  --primary-gradient:linear-gradient(100deg,#c2141a,#e8272e);
  --primary-shadow:0 6px 16px -8px rgba(216,31,38,.55);
  --primary-shadow-hover:0 10px 22px -9px rgba(216,31,38,.6);
  --focus-border:#d81f26; --focus-ring:0 0 0 3px rgba(216,31,38,.1);
  --radius-button:10px; --radius-input:11px; --radius-card:16px;
  --input-height:42px; --shadow-raised:0 4px 14px rgba(26,22,64,.07);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100vh; background:var(--ground); color:var(--ink);
  font-family:var(--font-sans); -webkit-font-smoothing:antialiased;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding:40px 16px; gap:22px;
}
.brand{display:flex; flex-direction:column; align-items:center; gap:10px}
.brand img{width:132px; height:auto; display:block}
.eyebrow{font-size:11.5px; font-weight:500; letter-spacing:1.6px; text-transform:uppercase; color:var(--ink-secondary)}
.card{
  width:100%; max-width:396px; background:var(--surface);
  border:1px solid var(--line); border-radius:var(--radius-card);
  box-shadow:var(--shadow-raised); padding:28px 26px 24px;
}
h1{margin:0; font-size:24px; font-weight:700; letter-spacing:-.6px; line-height:1.2}
.sub{margin:6px 0 0; font-size:12.5px; color:var(--ink-secondary); line-height:1.5}
.msg-error{margin-top:16px; font-size:12.5px; line-height:1.45; font-weight:500; color:var(--brand)}
.msg-notice{margin-top:16px; font-size:12.5px; line-height:1.45; font-weight:500; color:var(--ink-2)}
form{display:flex; flex-direction:column; gap:16px; margin:20px 0 0}
.field{display:flex; flex-direction:column; gap:6px}
label{font-size:11.5px; font-weight:500; color:var(--ink-secondary)}
input{
  height:var(--input-height); width:100%; border:1px solid var(--line-input);
  border-radius:var(--radius-input); background:var(--surface); padding:0 13px;
  font-family:var(--font-sans); font-size:13px; color:var(--ink); outline:none;
  transition:border-color .15s, box-shadow .15s;
}
input::placeholder{color:var(--ink-muted)}
input:focus{border-color:var(--focus-border); box-shadow:var(--focus-ring)}
.hint{font-size:11.5px; color:var(--ink-secondary); line-height:1.45}
.pw{position:relative; display:flex}
.pw input{padding-right:60px}
.pw button{
  position:absolute; right:5px; top:5px; height:32px; padding:0 10px; border:0;
  background:transparent; border-radius:8px; font-family:var(--font-sans);
  font-size:11.5px; font-weight:600; color:var(--ink-secondary); cursor:pointer; outline:none;
}
.pw button:hover{background:var(--ground); color:var(--ink)}
.pw button:focus-visible{box-shadow:var(--focus-ring); color:var(--ink)}
.submit{
  position:relative; margin-top:2px; height:42px; border:0; border-radius:var(--radius-button);
  background:var(--primary-gradient); box-shadow:var(--primary-shadow); color:#fff;
  font-family:var(--font-sans); font-size:12.5px; font-weight:600; letter-spacing:.2px;
  cursor:pointer; outline:none; transition:transform .15s, box-shadow .15s;
}
.submit:hover{transform:translateY(-1px); box-shadow:var(--primary-shadow-hover)}
.submit:focus-visible{box-shadow:var(--primary-shadow-hover), var(--focus-ring)}
.submit.is-loading{cursor:default}
.submit.is-loading .submit-label{visibility:hidden}
.submit .spinner{display:none}
.submit.is-loading .spinner{
  display:block; position:absolute; left:50%; top:50%; width:16px; height:16px;
  margin:-8px 0 0 -8px; border:2px solid rgba(255,255,255,.35); border-top-color:#fff;
  border-radius:50%; animation:byky-spin .7s linear infinite;
}
@keyframes byky-spin{to{transform:rotate(360deg)}}
.help{margin:18px 0 0; padding-top:16px; border-top:1px solid var(--line); font-size:11.5px; line-height:1.55; color:var(--ink-secondary)}
.foot{font-size:11px; color:var(--ink-secondary); letter-spacing:.2px}