:root {
  --icsf-bg-card: #ffffff;
  --icsf-border: #e2e8f0;
  --icsf-text: #1e293b;
  --icsf-muted: #64748b;
  --icsf-primary: #d946ef;
  --icsf-primary-hover: #c026d3;
  --icsf-primary-fg: #ffffff;
  --icsf-btn-bg: #f8fafc;
  --icsf-btn-border: #cbd5e1;
  --icsf-btn-hover: #e2e8f0;
  --icsf-stat-bg: #f8fafc;
  --icsf-preview-bg: #fdf4ff;
  --icsf-feedback-bg: #fae8ff;
  --icsf-feedback-text: #86198f;
}

.icsf-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.icsf-card {
  background: var(--icsf-bg-card);
  border: 1px solid var(--icsf-border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.icsf-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.icsf-toolbar-group {
  display: flex;
  gap: 0.5rem;
}

.icsf-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icsf-btn-primary {
  background: var(--icsf-primary);
  color: var(--icsf-primary-fg);
  border: 1px solid var(--icsf-primary);
}

.icsf-btn-primary:hover {
  background: var(--icsf-primary-hover);
  border-color: var(--icsf-primary-hover);
}

.icsf-btn-outline {
  background: var(--icsf-btn-bg);
  color: var(--icsf-text);
  border: 1px solid var(--icsf-btn-border);
}

.icsf-btn-outline:hover {
  background: var(--icsf-btn-hover);
}

.icsf-font-bar {
  background: var(--icsf-stat-bg);
  border: 1px solid var(--icsf-border);
  border-radius: 8px;
  padding: 0.75rem;
  margin-bottom: 1rem;
}

.icsf-font-bar-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--icsf-muted);
  margin-bottom: 0.5rem;
}

.icsf-font-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.icsf-font-btn {
  background: var(--icsf-bg-card);
  border: 1px solid var(--icsf-border);
  color: var(--icsf-text);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.icsf-font-btn:hover {
  border-color: var(--icsf-primary);
  color: var(--icsf-primary);
}

.icsf-input-wrapper {
  margin-bottom: 1.25rem;
}

.icsf-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--icsf-text);
  margin-bottom: 0.5rem;
}

.icsf-textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--icsf-text);
  background-color: var(--icsf-stat-bg);
  border: 1px solid var(--icsf-border);
  border-radius: 8px;
  resize: vertical;
}

.icsf-textarea:focus {
  outline: 2px solid var(--icsf-primary);
  outline-offset: -1px;
}

.icsf-feedback {
  display: none;
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  background-color: var(--icsf-feedback-bg);
  color: var(--icsf-feedback-text);
  font-size: 0.875rem;
  font-weight: 500;
}

.icsf-counters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.icsf-counter-card {
  background: var(--icsf-stat-bg);
  border: 1px solid var(--icsf-border);
  border-radius: 8px;
  padding: 0.75rem;
  text-align: center;
}

.icsf-counter-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--icsf-muted);
  margin-bottom: 0.25rem;
}

.icsf-counter-val {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--icsf-text);
}

.icsf-preview-section {
  border-top: 1px solid var(--icsf-border);
  padding-top: 1.25rem;
}

.icsf-preview-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--icsf-text);
  margin: 0 0 0.75rem 0;
}

.icsf-phone-preview {
  background: var(--icsf-bg-card);
  border: 1px solid var(--icsf-border);
  border-radius: 10px;
  padding: 1rem;
  max-width: 480px;
  margin: 0 auto;
}

.icsf-preview-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.icsf-preview-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.icsf-preview-userinfo {
  display: flex;
  flex-direction: column;
}

.icsf-preview-username {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--icsf-text);
}

.icsf-preview-subtitle {
  font-size: 0.75rem;
  color: var(--icsf-muted);
}

.icsf-preview-body {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--icsf-text);
}

.icsf-preview-text {
  margin: 0;
  word-break: break-word;
}

@media (max-width: 600px) {
  .icsf-counters-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
/* tf:dark-palette — generated by migrate_chrome.py */
/* Neutrals inherit the shared chrome tokens so all tools share one
   ground; brand hues are kept and lightened, never inverted. */
[data-theme="dark"] {
  --icsf-bg-card: var(--tf-surface);
  --icsf-border: var(--tf-surface);
  --icsf-text: var(--tf-ink);
  --icsf-muted: var(--tf-ink-faint);
  --icsf-primary: #cf81da;
  --icsf-primary-hover: #d081da;
  --icsf-primary-fg: var(--tf-surface);
  --icsf-btn-bg: var(--tf-surface);
  --icsf-btn-border: #98abc3;
  --icsf-btn-hover: var(--tf-surface);
  --icsf-stat-bg: var(--tf-surface);
  --icsf-preview-bg: var(--tf-surface);
  --icsf-feedback-bg: var(--tf-surface);
  --icsf-feedback-text: #cd6dd4;
}