.site-header {
  padding: var(--space-6) var(--space-4);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-muted);
}

.header-container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.brand-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}

.user-status {
  font-size: var(--font-size-sm);
  color: var(--color-ink-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  word-break: break-all;
}

.main-content {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  overflow-wrap: break-word;
}

.hero-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

.hero-desc {
  margin: 0;
  color: var(--color-ink-secondary);
  max-width: 60ch;
  text-wrap: pretty;
}

.auth-card,
.desk-card {
  background-color: var(--color-surface);
  padding: var(--space-6);
  border: 1px solid var(--color-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-width: 0;
}

.card-heading {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  margin: 0;
  letter-spacing: -0.02em;
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 440px;
  width: 100%;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="file"] {
  padding: var(--space-3);
  background-color: var(--color-ground);
  border: 1px solid var(--color-muted);
  font-size: var(--font-size-base);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  min-height: 44px;
  background-color: var(--color-ink);
  color: #ffffff;
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--radius);
}

.btn:hover {
  background-color: var(--color-accent);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background-color: var(--color-muted);
  color: var(--color-ink);
}

.btn-secondary:hover {
  background-color: var(--color-ink-secondary);
  color: #ffffff;
}

.btn-small {
  padding: var(--space-1) var(--space-3);
  min-height: 32px;
  font-size: var(--font-size-sm);
}

.feedback-msg {
  padding: var(--space-3);
  font-size: var(--font-size-sm);
  margin-top: var(--space-2);
  word-break: break-word;
}

.feedback-msg:empty {
  display: none;
}

.feedback-msg.is-success {
  background-color: color-mix(in oklch, var(--color-success) 15%, transparent);
  color: var(--color-success);
  font-weight: 600;
}

.feedback-msg.is-error {
  background-color: color-mix(in oklch, var(--color-danger) 15%, transparent);
  color: var(--color-danger);
  font-weight: 600;
}

.desk-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  min-width: 0;
}

@media (min-width: 768px) {
  .desk-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.list-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
  max-height: 360px;
  overflow-y: auto;
  overflow-x: hidden;
  min-width: 0;
}

.check-item {
  padding: var(--space-3);
  background-color: var(--color-ground);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.check-status {
  font-weight: 600;
  font-family: var(--font-display);
}

.file-item {
  padding: var(--space-3);
  background-color: var(--color-ground);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.file-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.file-name {
  font-weight: 600;
  overflow-wrap: break-word;
  word-break: break-all;
}

.empty-state {
  color: var(--color-ink-secondary);
  font-size: var(--font-size-sm);
  font-style: italic;
  padding: var(--space-4) 0;
}

.footer {
  max-width: 960px;
  margin: var(--space-12) auto var(--space-8);
  padding: 0 var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-ink-secondary);
  border-top: 1px solid var(--color-muted);
  padding-top: var(--space-4);
}