/* Voice Copilot MVP — workspace styles.
 * Principles (spec.md §10): simple, restrained, professional, high
 * information density, tool-like — not a playful/avatar-driven UI. */

:root {
  --color-bg: #f5f6f8;
  --color-panel-bg: #ffffff;
  --color-border: #d9dde3;
  --color-text: #1f2430;
  --color-text-muted: #5b6473;
  --color-primary: #2f5fe0;
  --color-primary-hover: #2549b3;
  --color-error-bg: #fdecea;
  --color-error-border: #f5b3ac;
  --color-error-text: #8a2c22;
  --color-badge-bg: #eef1f6;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
}

.workspace {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.workspace-header h1 {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}

.workspace-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--color-panel-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
}

.panel-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.speech-text-input {
  width: 100%;
  resize: vertical;
  font-size: 15px;
  line-height: 1.5;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  color: var(--color-text);
}

.speech-text-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.voice-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.voice-row .panel-label {
  margin-bottom: 0;
  white-space: nowrap;
}

.voice-select {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-panel-bg);
}

.language-badge {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-badge-bg);
  border-radius: 999px;
  padding: 3px 10px;
  white-space: nowrap;
}

.voice-controls-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.control-label {
  font-size: 13px;
  color: var(--color-text-muted);
}

.control-input {
  width: 72px;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
}

.translation-toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.translation-toggle {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.style-preset-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.style-preset-select {
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-panel-bg);
}

.panel-speak {
  display: flex;
  justify-content: center;
  padding: 12px 16px;
}

.panel-translated-text {
  font-size: 14px;
}

.translated-text-display {
  min-height: 1.5em;
  line-height: 1.5;
  color: var(--color-text);
  white-space: pre-wrap;
}

.btn {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-panel-bg);
  color: var(--color-text);
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn:not(:disabled):hover {
  border-color: var(--color-primary);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--color-text-muted);
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.btn-primary:not(:disabled):hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-speak {
  font-size: 16px;
  padding: 12px 48px;
}

.player-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.status-line {
  margin-top: 12px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.status-label {
  font-weight: 600;
  margin-right: 4px;
}

.error-banner {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error-border);
  color: var(--color-error-text);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
}

.error-inline {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-error-text);
  font-size: 13px;
}

.panel-player .error-inline {
  justify-content: flex-start;
}

.error-inline .btn {
  padding: 4px 12px;
  font-size: 13px;
}

.panel-settings {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px 12px;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px 10px;
  align-items: center;
}

.settings-group legend {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0 4px;
}

.settings-group label {
  font-size: 13px;
  color: var(--color-text-muted);
}

.settings-input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
}

.settings-input-narrow {
  max-width: 90px;
}

.settings-textarea {
  resize: vertical;
  font-family: inherit;
  line-height: 1.4;
}

.settings-group-style {
  grid-template-columns: 1fr;
}

.settings-group-style label {
  margin-top: 4px;
}

.settings-checkbox-row {
  display: flex;
  gap: 14px;
}

.settings-checkbox-row label {
  display: flex;
  align-items: center;
  gap: 4px;
}

.settings-llm-status {
  grid-column: 1 / -1;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.settings-status-not-configured {
  color: var(--color-text-muted);
}

.settings-status-configured {
  color: var(--color-primary);
}

.settings-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* User Guide (guide.html) — static prose content, scoped under .guide-content so it
 * cannot affect any other page's typography. */
.guide-content h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px;
}

.guide-content h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  margin: 14px 0 6px;
}

.guide-content p {
  margin: 0 0 8px;
  line-height: 1.6;
  font-size: 14px;
}

.guide-content ul,
.guide-content ol {
  margin: 0 0 8px;
  padding-left: 20px;
  line-height: 1.6;
  font-size: 14px;
}

.guide-content li {
  margin-bottom: 4px;
}

.guide-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0 0 10px;
}

.guide-recommend-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 8px 0 12px;
}

.guide-recommend-table th,
.guide-recommend-table td {
  border: 1px solid var(--color-border);
  padding: 6px 8px;
  text-align: left;
  vertical-align: top;
}

.guide-recommend-table th {
  background: var(--color-badge-bg);
  font-weight: 600;
  color: var(--color-text-muted);
}

.guide-example-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin: 6px 0 12px;
  font-size: 13px;
  line-height: 1.6;
  background: var(--color-bg);
}

.guide-example-block .guide-example-source {
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.guide-example-block dl {
  margin: 0;
}

.guide-example-block dt {
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 8px;
}

.guide-example-block dt:first-child {
  margin-top: 0;
}

.guide-example-block dd {
  margin: 2px 0 0;
}

.guide-nav-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

@media (max-width: 480px) {
  .voice-controls-row {
    flex-wrap: wrap;
  }

  .settings-group {
    grid-template-columns: 1fr;
  }

  .guide-recommend-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}