.login-body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.login-page {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 48px 16px 72px;
}

.login-card {
  width: 100%;
  padding: 44px 36px 40px;
  text-align: center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-surface);
}

/* Group 1 — brand mark + product name */
.login-brand {
  margin-bottom: var(--layer-gap);
}

.login-logo {
  display: block;
  width: 88px;
  height: auto;
  aspect-ratio: 640 / 480;
  margin: 0 auto 18px;
  object-fit: contain;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.login-title {
  margin: 0;
  font-size: 1.625rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
}

/* Group 2 — positioning line + value statement */
.login-subtitle {
  margin: 0 0 14px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-secondary);
}

.login-desc {
  margin: 0 0 var(--layer-gap);
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Group 3 — supporting capability hints */
.login-features {
  margin: 0 0 var(--section-gap);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}

/* Group 4 — action */
.login-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  background: #06c755;
  border-color: #06c755;
}

.login-btn:hover:not(:disabled) {
  background: #05b34c;
  border-color: #05b34c;
}

.login-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

.login-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  padding: 2px 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #06c755;
  background: #fff;
  border-radius: 4px;
}

.login-status,
.login-error {
  margin-bottom: 16px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  text-align: left;
}

.login-status {
  color: var(--text-secondary);
  background: var(--accent-soft);
}

.login-error {
  color: var(--caution-text);
  background: var(--caution-soft);
  border: 1px solid var(--caution-border);
}

.login-cancel {
  width: 100%;
  margin-top: 12px;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.login-cancel:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.login-footnote {
  margin: 20px 0 0;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.login-pwa-return {
  margin-bottom: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  text-align: left;
  background: var(--accent-soft);
  border: 1px solid var(--border);
}

.login-pwa-return-title {
  margin: 0 0 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.login-pwa-return-desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.login-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding: 20px 24px 28px;
  background: var(--surface);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.login-footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
}

.login-footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.login-footer-links a {
  font-size: 0.875rem;
  color: #777a77;
  text-decoration: none;
}

.login-footer-links a:hover {
  color: var(--text-secondary);
}

.login-footer-copy {
  font-size: 0.875rem;
  color: #777a77;
}

.hidden {
  display: none !important;
}