/* ════════════════════════════════════════════════════════
   PIANO SUITE — STRING TABLE CONVERTER STYLES
   Uses CSS variables from tokens.css; no new tokens.
   ════════════════════════════════════════════════════════ */

/* ── Upload phase ─────────────────────────────────────────────────────── */

.conv-upload-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--top) - 80px);
  padding: 24px;
}

.conv-dropzone {
  max-width: 480px;
  width: 100%;
  padding: 36px 28px;
  text-align: center;
  border: 2px dashed var(--border2);
  transition: border-color .2s, background .2s;
  cursor: default;
}

.conv-dropzone.conv-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: scale(1.01);
}

.conv-upload-icon {
  font-size: 40px;
  margin-bottom: 14px;
}

/* ── Workspace layout ─────────────────────────────────────────────────── */

.conv-workspace {
  display: grid;
  grid-template-columns: 220px 1fr 260px;
  grid-template-rows: 1fr;
  gap: 16px;
  height: 100%;
  min-height: 0;
}

.conv-controls {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.conv-preview {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.conv-table-wrap {
  flex: 1;
  overflow: auto;
  max-height: calc(100vh - var(--top) - 120px);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  background: var(--surface);
}

/* Preview table overrides — tighter than default */
.conv-table-wrap table {
  font-size: 11px;
}
.conv-table-wrap thead th {
  font-size: 9px;
  padding: 6px 8px;
}
.conv-table-wrap tbody td {
  padding: 4px 8px;
  font-size: 11px;
}

/* ── Mappings column ─────────────────────────────────────────────────── */

.conv-mappings {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.conv-mappings-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 2px;
}

.conv-mapping-row {
  padding: 8px 10px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color .15s, background .15s;
}

.conv-mapping-active {
  border-color: var(--border2);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.conv-mapping-inactive {
  opacity: 0.55;
  background: var(--surface2);
}

.conv-mapping-row:hover {
  border-color: var(--accent);
}

/* ── Mobile overrides ────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .conv-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    height: auto;
    overflow: visible;
  }

  .conv-controls {
    order: 1;
  }
  .conv-preview {
    order: 2;
    height: auto;
    overflow: visible;
  }
  .conv-table-wrap {
    max-height: 340px;
  }
  .conv-mappings {
    order: 3;
    height: auto;
    overflow: visible;
  }
  .conv-mappings-list {
    max-height: 400px;
    overflow-y: auto;
  }

  .conv-upload-wrap {
    padding: 12px;
  }
  .conv-dropzone {
    padding: 20px 14px;
  }
}