@font-face {
  font-family: "Inter";
  src: url("/fonts/Inter-Variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("/fonts/Inter-Variable-Italic.ttf") format("truetype");
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: #1f354b;
  background: #f3f6f9;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-width: 1024px; min-height: 100%; }
button, input, select, textarea { font: inherit; }

.auth-loading,
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-loading {
  gap: 12px;
  color: #61758a;
}

.auth-loading > span {
  width: 20px;
  height: 20px;
  border: 2px solid #bfd5e9;
  border-top-color: #1677ff;
  border-radius: 50%;
  animation: auth-spin 0.8s linear infinite;
}

@keyframes auth-spin { to { transform: rotate(360deg); } }

.login-page {
  padding: 48px;
  background:
    radial-gradient(circle at 20% 15%, rgba(22, 119, 255, 0.12), transparent 34%),
    linear-gradient(145deg, #eef5fb, #f8fafc 55%, #edf3f8);
}

.login-card {
  width: 420px;
  padding: 42px;
  border: 1px solid #dbe6ef;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 22px 60px rgba(37, 63, 88, 0.14);
}

.login-brand {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: white;
  background: linear-gradient(145deg, #1177e8, #25a1f2);
}

.login-kicker {
  margin: 26px 0 8px;
  color: #1677ff;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.login-card h1 { margin: 0; font-size: 27px; }
.login-description { margin: 10px 0 28px; color: #728398; }
.login-card form { display: grid; gap: 18px; }
.login-card label { display: grid; gap: 8px; color: #465b70; font-size: 13px; }
.login-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cad8e5;
  border-radius: 9px;
  outline: none;
  color: #18334f;
  background: white;
}
.login-card input:focus { border-color: #1677ff; box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.12); }
.login-card button {
  min-height: 44px;
  border: 0;
  border-radius: 9px;
  color: white;
  background: #1677ff;
  cursor: pointer;
}
.login-card button:disabled { opacity: 0.65; cursor: wait; }
.login-error { margin: -4px 0 0; color: #d4380d; font-size: 13px; }