.csv-converter-card {
  overflow: hidden;
}

.csv-mode-switch {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 5px;
  border: 1px solid var(--gt-line);
  border-radius: 14px;
  background: rgba(7, 17, 31, 0.54);
}

.csv-mode-switch button {
  min-height: 42px;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--gt-muted);
  background: transparent;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 730;
}

.csv-mode-switch button:hover,
.csv-mode-switch button:focus-visible {
  color: var(--gt-text);
  background: rgba(56, 189, 248, 0.1);
}

.csv-mode-switch button[aria-pressed="true"] {
  border-color: rgba(56, 189, 248, 0.4);
  color: #e0f2fe;
  background: rgba(14, 165, 233, 0.2);
}

.csv-toolbar,
.csv-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.csv-toolbar {
  justify-content: space-between;
  margin-bottom: 18px;
}

.csv-file-label {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 13px;
  border: 1px solid var(--gt-line-strong);
  border-radius: 11px;
  color: var(--gt-text);
  background: rgba(15, 31, 51, 0.65);
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 690;
}

.csv-file-label:hover,
.csv-file-label:focus-within {
  border-color: var(--gt-accent);
}

.csv-file-label input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.csv-editors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.csv-editor {
  display: grid;
  min-width: 0;
  gap: 8px;
}

.csv-editor-label {
  color: var(--gt-text);
  font-size: 0.83rem;
  font-weight: 720;
}

.csv-editor-hint,
.csv-byte-count {
  color: var(--gt-subtle);
  font-size: 0.76rem;
}

.csv-byte-count[data-over="true"] {
  color: #fda4af;
}

.csv-editor textarea {
  width: 100%;
  min-height: 350px;
  resize: vertical;
  border: 1px solid var(--gt-line);
  border-radius: 13px;
  padding: 14px;
  color: var(--gt-text);
  background: rgba(3, 10, 20, 0.74);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.84rem;
  line-height: 1.6;
  tab-size: 2;
}

.csv-editor textarea:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.28);
  outline-offset: 2px;
  border-color: var(--gt-accent);
}

.csv-actions {
  justify-content: space-between;
  margin-top: 16px;
}

.csv-actions-left,
.csv-actions-right {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.csv-status {
  min-height: 1.4em;
  margin: 16px 0 0;
  color: var(--gt-muted);
  font-size: 0.83rem;
}

.csv-status[data-tone="success"] { color: #86efac; }
.csv-status[data-tone="warning"] { color: #fde68a; }
.csv-status[data-tone="error"] { color: #fda4af; }

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

.csv-privacy-note {
  margin: 18px 0 0;
  color: var(--gt-subtle);
  font-size: 0.78rem;
  line-height: 1.65;
}

@media (max-width: 760px) {
  .csv-editors {
    grid-template-columns: 1fr;
  }

  .csv-editor textarea {
    min-height: 260px;
  }
}

@media (max-width: 520px) {
  .csv-toolbar,
  .csv-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .csv-mode-switch,
  .csv-mode-switch button,
  .csv-file-label,
  .csv-actions-left,
  .csv-actions-right,
  .csv-actions .gt-button {
    width: 100%;
  }

  .csv-actions-left,
  .csv-actions-right {
    flex-direction: column;
  }
}