:root {
  color-scheme: light;
  --background: #f8f9ff;
  --surface: #ffffff;
  --surface-low: #f0f7ff;
  --surface-container: #e5eeff;
  --outline: #c3c6d7;
  --outline-strong: #737686;
  --text: #0b1c30;
  --muted: #64748b;
  --primary: #0066ff;
  --primary-dark: #004ac6;
  --green: #10b981;
  --radius: 8px;
  font-family: Inter, "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(240, 247, 255, 0.9), rgba(248, 249, 255, 0.96)),
    var(--background);
  color: var(--text);
  font-size: 14px;
}

button,
input {
  font: inherit;
}

.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 450, "GRAD" 0, "opsz" 24;
  font-size: 20px;
  line-height: 1;
}

.login-shell {
  display: grid;
  place-items: center;
  width: min(1120px, calc(100vw - 48px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 72px 0;
}

.login-panel {
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
}

.login-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(520px, 100%);
  min-height: 620px;
  padding: 36px;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 44px;
}

.brand-mark {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--primary);
  color: #ffffff;
  font-size: 18px;
  font-weight: 800;
}

.brand-text {
  color: var(--primary);
  font-size: 24px;
  line-height: 32px;
  font-weight: 800;
}

.login-heading {
  margin-bottom: 28px;
}

.kicker {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 16px;
  font-weight: 700;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 36px;
  font-weight: 800;
}

p {
  margin: 0;
}

.login-heading p:last-child {
  color: var(--muted);
  line-height: 22px;
}

.login-form {
  display: grid;
  gap: 14px;
}

.login-form label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-weight: 700;
}

.login-form input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  background: var(--surface-low);
  color: var(--text);
  padding: 10px 12px;
  outline: 0;
}

.login-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.14);
}

.login-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 4px;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: var(--primary);
  color: #ffffff;
  font-weight: 800;
  cursor: pointer;
}

.login-form button:hover {
  background: var(--primary-dark);
}

.login-form button:disabled {
  cursor: progress;
  opacity: 0.72;
}

.login-status {
  min-height: 20px;
  color: var(--muted);
  font-size: 12px;
  line-height: 20px;
}

@media (max-width: 900px) {
  .login-shell {
    width: min(560px, calc(100vw - 32px));
    padding: 24px 0;
  }

  .login-panel {
    padding: 24px;
  }
}