/* =====================================================================
   ASCII Art Generator 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; }

/* ===================== Toolbar / options panel ===================== */
.toolbar-panel { padding: var(--space-4) var(--space-5); }

.input-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.input-row input {
  flex: 1;
  font-size: 15px;
}
.char-count {
  white-space: nowrap;
  font-size: 12px;
  flex: none;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
}
.toolbar-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}
.toolbar .spacer { flex: 1; }

.field-label { white-space: nowrap; font-size: 13px; }

.hint {
  margin: var(--space-4) 0 0;
  font-size: 12.5px;
  line-height: 1.6;
}

/* Segmented font picker uses base.css's .segmented / button styling as-is;
   no overrides needed here. */

/* ===================== Banner preview panel ===================== */
.banner-panel {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
}
.pane-title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.pane-meta { font-size: 12px; }

.banner-scroll {
  position: relative;
  min-height: 260px;
  /* House-style rule: wide content scrolls inside its own container,
     it never causes the page itself to scroll horizontally. */
  overflow: auto;
}
.banner-code {
  margin: 0;
  padding: var(--space-6) var(--space-5);
  font-size: 14px;
  line-height: 1.35;
  white-space: pre;
  min-height: 100%;
  color: var(--brand-400);
  tab-size: 2;
}
.banner-code:empty { display: none; }

[data-theme="light"] .banner-code { color: var(--brand-600); }

/* ===================== Banner empty state ===================== */
.banner-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  pointer-events: none;
}
.banner-empty p { margin: 0; }
.banner-empty.is-hidden { display: none; }

/* ===================== 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: 720px) {
  .toolbar .spacer { display: none; }
  .toolbar-group { width: 100%; }
  .toolbar-group .btn { flex: 1; }
  .input-row { flex-wrap: wrap; }
  .input-row input { width: 100%; }
  .segmented { width: 100%; }
  .segmented button { flex: 1; text-align: center; }
}

@media (max-width: 460px) {
  .banner-code { font-size: 11px; padding: var(--space-4) var(--space-3); }
}