:root{
  --ink:#14181F;
  --ink-soft:#1E232C;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --line:#E4E2DC;
  --line-strong:#CFCCC3;
  --text:#14181F;
  --text-muted:#6B6F76;
  --text-faint:#9A9D9E;
  --accent:#2B6E4E;
  --accent-soft:#E4EDE7;
  --danger:#B23A2F;
  --danger-soft:#F4E4E1;
  --amber:#9C6B14;
  --amber-soft:#F3E9D6;
  --radius:6px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{
  font-family:'Public Sans',sans-serif;
  background:var(--paper);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
}

.login-container{
  width:100%;
  max-width:420px;
}

.brand{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  margin-bottom:40px;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:7px;
  background:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:600;color:#FFFFFF;
  font-family:'IBM Plex Mono',monospace;
  flex-shrink:0;
}
.brand-name{font-size:22px;font-weight:600;letter-spacing:0.01em;color:var(--ink);}

.login-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:36px;
  box-shadow:0 2px 8px rgba(20, 24, 31, 0.04);
}

.login-header{
  text-align:center;
  margin-bottom:32px;
}
.login-header h1{
  font-size:21px;
  font-weight:600;
  margin:0 0 8px;
  letter-spacing:-0.01em;
  color:var(--text);
}
.login-header p{
  font-size:14px;
  color:var(--text-muted);
  margin:0;
}

.form-group{
  margin-bottom:20px;
}
.form-group label{
  display:block;
  font-size:13px;
  font-weight:500;
  color:var(--text);
  margin-bottom:8px;
}
.form-group input{
  width:100%;
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  padding:11px 14px;
  font:inherit;
  font-size:14px;
  color:var(--text);
  background:var(--card);
  transition:border-color 0.2s;
}
.form-group input:focus{
  outline:none;
  border-color:var(--accent);
}
.form-group input::placeholder{
  color:var(--text-faint);
}

.form-options{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:24px;
  font-size:13px;
}
.checkbox-wrapper{
  display:flex;
  align-items:center;
  gap:8px;
}
.checkbox-wrapper input[type="checkbox"]{
  width:16px;
  height:16px;
  cursor:pointer;
}
.checkbox-wrapper label{
  color:var(--text-muted);
  cursor:pointer;
  user-select:none;
}
.forgot-link{
  color:var(--accent);
  text-decoration:none;
  font-weight:500;
}
.forgot-link:hover{
  text-decoration:underline;
}

.btn-login{
  width:100%;
  background:var(--ink);
  color:#F5F4EF;
  border:none;
  border-radius:var(--radius);
  padding:12px 16px;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
  transition:background 0.2s;
}
.btn-login:hover:not(:disabled){
  background:var(--ink-soft);
}
.btn-login:disabled{
  opacity:0.55;
  cursor:wait;
}

.alert{
  margin-bottom:20px;
  padding:12px 16px;
  border-radius:var(--radius);
  font-size:13px;
  display:none;
}
.alert.show{
  display:block;
}
.alert.error{
  background:var(--danger-soft);
  color:var(--danger);
  border:1px solid var(--danger);
}
.alert.success{
  background:var(--accent-soft);
  color:var(--accent);
  border:1px solid var(--accent);
}

.login-footer{
  text-align:center;
  margin-top:24px;
  padding-top:24px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-muted);
}
.login-footer a{
  color:var(--accent);
  text-decoration:none;
  font-weight:500;
}
.login-footer a:hover{
  text-decoration:underline;
}

.env-badge{
  text-align:center;
  margin-top:20px;
}
.badge{
  display:inline-block;
  font-size:11.5px;
  padding:5px 12px;
  border-radius:4px;
  font-weight:500;
  background:var(--accent-soft);
  color:var(--accent);
}

@media (max-width:480px){
  .login-card{
    padding:28px 24px;
  }
  .brand{
    margin-bottom:32px;
  }
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;}
}