/* 登录页 — 双栏布局 */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  background: var(--p-bg);
}

.login-shell {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  min-height: 100vh;
}

@media (min-width: 960px) {
  .login-shell {
    grid-template-columns: minmax(320px, 1.05fr) minmax(380px, 0.95fr);
  }
}

.login-brand {
  position: relative;
  display: none;
  padding: 48px 56px;
  color: #fff;
  background:
    linear-gradient(145deg, #3d4ed8 0%, #5b6cff 42%, #7c89ff 100%);
  overflow: hidden;
}

@media (min-width: 960px) {
  .login-brand { display: flex; flex-direction: column; justify-content: space-between; }
}

.login-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.18), transparent 42%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1), transparent 38%);
  pointer-events: none;
}

.login-brand-inner {
  position: relative;
  z-index: 1;
}

.login-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--p-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.login-logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.login-brand h1 {
  margin: 36px 0 14px;
  font-family: var(--p-display);
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  line-height: 1.15;
  font-weight: 700;
}

.login-brand p.lead {
  margin: 0;
  max-width: 28rem;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
}

.login-points {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  margin-top: 40px;
}

.login-point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
}

.login-point strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.login-point span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.5;
}

.login-point-dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 999px;
  background: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.18);
}

.login-brand-foot {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.72);
}

.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 20px 40px;
}

.login-card {
  width: min(440px, 100%);
  background: var(--p-card);
  border: 1px solid var(--p-border);
  border-radius: 20px;
  box-shadow: 0 18px 48px rgba(26, 35, 50, 0.08);
  padding: 32px 28px 28px;
}

@media (min-width: 480px) {
  .login-card { padding: 36px 34px 30px; }
}

.login-card-head {
  margin-bottom: 24px;
}

.login-card-head h2 {
  margin: 0 0 8px;
  font-family: var(--p-display);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--p-text);
}

.login-card-head p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--p-muted);
  line-height: 1.55;
}

.api-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 10px 12px;
  border-radius: 12px;
  font-size: 0.82rem;
  border: 1px solid var(--p-border);
  background: var(--p-bg-soft);
  color: var(--p-muted);
}

.api-status.ok {
  color: #166534;
  background: var(--p-success-bg);
  border-color: #bbf7d0;
}

.api-status.fail {
  color: #b91c1c;
  background: var(--p-warn-bg);
  border-color: #fecaca;
}

.api-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #94a3b8;
  flex-shrink: 0;
}

.api-status.ok .api-status-dot { background: #22c55e; }
.api-status.fail .api-status-dot { background: #ef4444; }

.login-field {
  margin-bottom: 16px;
}

.login-field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--p-text);
}

.login-field-hint {
  margin: -8px 0 14px;
  font-size: 0.78rem;
  color: var(--p-muted);
  line-height: 1.5;
}

.login-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 4px 0 18px;
}

.login-remember {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--p-muted);
  cursor: pointer;
  user-select: none;
}

.login-alert {
  display: none;
  margin-bottom: 14px;
  padding: 11px 12px;
  border-radius: 12px;
  font-size: 0.86rem;
  line-height: 1.5;
  color: #b91c1c;
  background: var(--p-warn-bg);
  border: 1px solid #fecaca;
}

.login-alert.show { display: block; }

.login-submit {
  width: 100%;
  margin-top: 4px;
}

.login-footnote {
  margin: 18px 0 0;
  text-align: center;
  font-size: 0.78rem;
  color: var(--p-muted);
  line-height: 1.55;
}

.login-mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--p-accent-dark);
  font-family: var(--p-display);
  font-weight: 700;
  font-size: 1.1rem;
}

@media (min-width: 960px) {
  .login-mobile-brand { display: none; }
}