header {
  padding: 20px;
  box-shadow: 0 2px 4px var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.25rem 1rem;
}

header a.header-3 {
  text-decoration: none;
  color: var(--color-heading);
}

header .user-email {
  order: 1;
  flex-basis: 100%;
  font-size: 0.875rem;
  color: var(--color-primary-text);
}

@media (width >= 600px) {
  header > .header-3 {
    flex-grow: 1;
  }

  header .user-email {
    order: 0;
    flex-basis: auto;
    font-size: 1.125rem;
  }

  header #logout-btn {
    order: 1;
  }
}

main {
  min-height: calc(100vh - 85px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 0;
}

main > h1 {
  width: 100%;
  max-width: 720px;
  padding: 0 2rem;
  margin-bottom: 1rem;
}

/* TABS */
.tabs {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  max-width: 720px;
  padding: 0 2rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.tab {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition:
    color 0.15s,
    border-color 0.15s;
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--color-text);
}

.tab:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

section[role='tabpanel'].hidden {
  display: none;
}

/* FORM COMPONENT */
form {
  width: calc(100% - 1.5rem);
  max-width: 480px;
  margin: auto;
}

form .form-actions {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 0.5rem;
}

form .error-text {
  color: var(--color-error-text);
  margin: 1rem 0 0;
  font-weight: 500;
  min-height: 1.2rem;
}

/* CARD COMPONENT */
.card {
  box-shadow: 0 2px 4px var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  background-color: var(--color-bg-focus);
  max-width: 520px;
}

/* API KEYS SECTION */
#api-keys {
  width: 100%;
  max-width: 720px;
  padding: 2rem;
}

.api-keys-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.api-keys-header h2 {
  margin: 0;
}

#api-keys-list {
  background-color: var(--color-bg-focus);
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--color-border);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.api-keys-empty {
  padding: 2rem;
  text-align: center;
  color: var(--color-muted);
}

.api-keys-error {
  padding: 2rem;
  text-align: center;
}

/* API KEY ROW */
.api-key-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.api-key-row:last-child {
  border-bottom: none;
}

.api-key-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.api-key-name {
  font-weight: 500;
}

.api-key-hint {
  font-family: monospace;
  color: var(--color-muted);
}

.api-key-date {
  color: var(--color-muted);
}

/* REVOKED KEYS SECTION */
.revoked-keys-section {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-disabled);
}

.revoked-keys-section h4 {
  padding: 0.75rem 1.5rem 0;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
}

.revoked-keys-section .api-key-row {
  opacity: 0.6;
}

/* DIALOGS */
dialog {
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgb(0 0 0 / 15%);
  padding: 2rem;
  max-width: 480px;
  width: calc(100% - 2rem);
}

dialog::backdrop {
  background-color: rgb(0 0 0 / 50%);
}

dialog h3 {
  margin: 0 0 1.5rem;
}

dialog form {
  width: 100%;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* KEY DISPLAY */
.key-display {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-disabled);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 1rem 0;
}

.key-display code {
  flex: 1;
  font-family: monospace;
  font-size: 0.875rem;
  word-break: break-all;
  color: var(--color-text);
}

.copy-feedback {
  min-height: 1.2rem;
  color: var(--color-muted);
}

.copy-feedback.success {
  color: var(--color-success-text);
}

/* DANGER BUTTON */
.btn-danger {
  background-color: var(--color-error-bg);
}

.btn-danger:hover {
  background-color: var(--color-error-bg-hover);
}

/* CLASSIFICATION SECTION */
#classify {
  width: 100%;
  max-width: 720px;
  padding: 2rem;
}

#classify h2 {
  margin-bottom: 0.5rem;
}

#classify > p {
  margin-bottom: 1.5rem;
  color: var(--color-muted);
}

#classify form {
  max-width: 100%;
  width: 100%;
}

#classify textarea {
  width: 100%;
  resize: vertical;
}

.language-selector {
  border: none;
  padding: 0;
  margin: 0 0 1rem;
}

.language-selector legend {
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.language-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.language-options label {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  font-family: monospace;
  cursor: pointer;
  border-radius: 4px;
  transition: background-color 0.15s;
}

.language-options label:hover {
  background-color: var(--color-disabled);
}

.language-options label:has(input:checked) {
  background-color: var(--color-primary);
  color: white;
}

.language-options input[type='radio'] {
  display: none;
}

.classify-form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
}

.char-count {
  color: var(--color-muted);
}

/* CLASSIFICATION RESULTS */
.classify-results {
  margin-top: 1.5rem;
  background-color: var(--color-bg-focus);
  border-radius: 8px;
  box-shadow: 0 2px 4px var(--color-border);
  overflow: hidden;
}

.classify-results.hidden {
  display: none;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.latency-badge {
  font-size: 0.75rem;
  color: var(--color-muted);
  background-color: var(--color-disabled);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.results-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.result-item {
  position: relative;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.result-item:last-child {
  border-bottom: none;
}

.result-bar {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  background-color: var(--color-primary);
  opacity: 0.1;
}

.result-top .result-bar {
  opacity: 0.2;
}

.result-content {
  position: relative;
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.result-code {
  font-family: monospace;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

.result-label {
  color: var(--color-text);
}

.result-top .result-label {
  font-weight: 500;
}