/* =====================================================================
   Text Case Converter Pro — app.css
   Extends the shared design system (base.css). Colors derive ONLY from
   base.css CSS variables so dark + light themes both work.
   ===================================================================== */

/* ---- Theme toggle icon swap (sun in dark, moon in light) ---- */
[data-theme="light"] .icon-sun { display: none; }
.icon-moon { display: none; }

/* ===================== Status badge ===================== */
#statusBadge .status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-muted); flex: none;
  transition: background var(--dur-2), box-shadow var(--dur-2);
}
#statusBadge.is-valid {
  background: var(--success-soft); color: var(--success); border-color: transparent;
}
#statusBadge.is-valid .status-dot { background: var(--success); box-shadow: 0 0 10px var(--success); }

/* ===================== Input panel ===================== */
.input-panel { padding: 0; overflow: hidden; }
.input-panel .pane-head {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}
#input {
  width: 100%; min-height: 120px; border: none; border-radius: 0;
  background: transparent; padding: var(--space-5);
  font-size: 14.5px; line-height: 1.7; resize: vertical;
}
#input:focus { box-shadow: none; background: transparent; }
.input-panel .toolbar {
  padding: var(--space-3) var(--space-5) var(--space-4);
  border-top: 1px solid var(--border);
}

/* ===================== Results grid ===================== */
.results-grid {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
}
.result-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
}
.result-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}
.result-card-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.result-card-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
  white-space: pre-wrap;
  min-height: 1.6em;
  color: var(--text);
}
.result-card-value:empty::before {
  content: "—";
  color: var(--text-muted);
}
.result-card .btn--icon { width: 32px; height: 32px; flex: none; }
.result-card .btn--icon svg { width: 14px; height: 14px; }

/* ===================== Batch panel ===================== */
.batch-panel { margin-top: var(--space-5); }
.batch-panel .toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-4); }
.batch-panel .field-inline { display: inline-flex; align-items: center; gap: var(--space-2); }
.batch-panel .field-inline select { width: auto; min-width: 150px; }
.batch-panel .spacer { flex: 1; }

.batch-panel .editor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.batch-panel .pane { display: flex; flex-direction: column; padding: 0; overflow: hidden; min-width: 0; }
.batch-panel .pane-head { padding: var(--space-3) var(--space-5); border-bottom: 1px solid var(--border); }
.batch-panel textarea {
  flex: 1; width: 100%; min-height: 220px; border: none; border-radius: 0;
  background: transparent; padding: var(--space-5); font-size: 13.5px; line-height: 1.7; resize: none;
}
.batch-panel textarea:focus { box-shadow: none; background: transparent; }
.batch-panel #batchOutput { color: var(--text-secondary); }

/* ===================== Shortcuts modal table ===================== */
.shortcut-table { width: 100%; border-collapse: collapse; }
.shortcut-table td {
  padding: 10px 4px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.shortcut-table tr:last-child td { border-bottom: none; }
.shortcut-table td:last-child { text-align: right; white-space: nowrap; }
.shortcut-table kbd + kbd { margin-left: 4px; }

/* ===================== Responsive ===================== */
@media (max-width: 860px) {
  .batch-panel .editor { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  #statusBadge { display: none; }
  .input-panel .toolbar { flex-wrap: wrap; }
  .input-panel .toolbar-group { width: 100%; }
  .input-panel .toolbar-group .btn { flex: 1; }
  .batch-panel .field-inline { width: 100%; }
  .batch-panel .field-inline select { flex: 1; }
}

@media (max-width: 460px) {
  .results-grid { grid-template-columns: 1fr; }
}