/* RASTERBATOR — bilde til halvtone-plakat delt opp i utskriftsark */
.rb-tool-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 3rem;
  align-items: start;
}
.rb-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.rb-panel + .rb-panel { margin-top: 1.5rem; }
.rb-panel-title {
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 500;
  color: var(--fg); margin-bottom: 1.25rem; letter-spacing: -0.01em;
}
.rb-panel-title:not(:first-child) { margin-top: 1.75rem; }

.rb-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.rb-field { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.1rem; }
.rb-field label { font-size: 0.78rem; font-weight: 600; color: var(--fg-muted); letter-spacing: 0.05em; text-transform: uppercase; }
.rb-field input, .rb-field select {
  padding: 0.7rem 1rem; border: 1px solid var(--border); border-radius: var(--radius);
  font-family: var(--font); font-size: 0.95rem; color: var(--fg); background: var(--bg-muted);
  outline: none; transition: border-color 0.2s; width: 100%;
}
.rb-field input:focus, .rb-field select:focus { border-color: var(--primary); }
.rb-field-hint { font-size: 0.72rem; color: var(--fg-muted); margin-top: -0.7rem; margin-bottom: 1.1rem; }
.rb-field-inline { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1.1rem; }
.rb-field-inline label { font-size: 0.85rem; color: var(--fg); }

/* Segmented toggle (orientering, størrelsesmodus, modus, punktform) */
.rb-toggle-group { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 1.1rem; }
.rb-toggle-btn {
  flex: 1; padding: 0.6rem 0.5rem; background: var(--bg-muted); border: none; border-right: 1px solid var(--border);
  color: var(--fg-muted); font-family: var(--font); font-size: 0.82rem; font-weight: 500; cursor: pointer; transition: all 0.15s;
}
.rb-toggle-btn:last-child { border-right: none; }
.rb-toggle-btn:hover { color: var(--fg); }
.rb-toggle-btn.active { background: var(--primary); color: var(--primary-fg); }

/* Filopplasting */
.rb-upload-zone {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.6rem;
  border: 1.5px dashed var(--border-strong); border-radius: var(--radius);
  padding: 1.75rem 1rem; text-align: center; cursor: pointer; transition: border-color 0.2s, background 0.2s;
  background: var(--bg-muted); margin-bottom: 1.1rem;
}
.rb-upload-zone:hover, .rb-upload-zone.is-dragover { border-color: var(--primary); background: rgba(216, 90, 48, 0.06); }
.rb-upload-zone svg { color: var(--fg-muted); }
.rb-upload-zone span { font-size: 0.85rem; color: var(--fg-muted); }
.rb-upload-zone strong { color: var(--fg); font-weight: 600; }
.rb-upload-thumb { max-width: 100%; max-height: 140px; border-radius: var(--radius); display: block; margin: 0 auto 0.75rem; }
.rb-upload-filename { font-size: 0.78rem; color: var(--fg-muted); word-break: break-all; }

.rb-generate-btn {
  width: 100%; padding: 0.9rem 1rem; border-radius: 999px; border: none;
  background: var(--primary); color: var(--primary-fg); font-family: var(--font); font-size: 0.92rem; font-weight: 600;
  cursor: pointer; transition: filter 0.2s; margin-top: 0.5rem;
}
.rb-generate-btn:hover { filter: brightness(1.08); }
.rb-generate-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.rb-stats {
  display: flex; flex-direction: column; gap: 0;
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  margin-top: 0.5rem;
}
.rb-stat-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.85rem 1.1rem; border-bottom: 1px solid var(--border);
  font-size: 0.88rem; background: var(--bg-muted);
}
.rb-stat-row:last-child { border-bottom: none; }
.rb-stat-row span:first-child { color: var(--fg-muted); }
.rb-stat-row span:last-child { font-weight: 600; color: var(--fg); font-variant-numeric: tabular-nums; }

.rb-viz-wrap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
}
.rb-viz-title-row {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem;
}
.rb-viz-title { font-family: var(--font-head); font-size: 1.1rem; font-weight: 500; color: var(--fg); }
.rb-viz-hint { font-size: 0.75rem; color: var(--fg-muted); font-style: italic; }

.rb-preview-wrap {
  position: relative; width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: auto; padding: 1.5rem; min-height: 220px;
  display: flex; align-items: center; justify-content: center;
}
.rb-empty-note { color: var(--fg-muted); font-size: 0.9rem; text-align: center; padding: 1rem; }

.rb-poster-grid { display: inline-grid; gap: 0; background: var(--border-strong); }
.rb-sheet-cell {
  position: relative; display: block; outline: 1px dashed rgba(255,255,255,0.45); outline-offset: -1px;
}
.rb-sheet-cell canvas { display: block; width: 100%; height: 100%; background: #fff; }
.light-mode .rb-sheet-cell { outline-color: rgba(0,0,0,0.35); }

.rb-progress { display: flex; align-items: center; gap: 0.75rem; font-size: 0.85rem; color: var(--fg-muted); }
.rb-progress-bar { flex: 1; height: 6px; border-radius: 999px; background: var(--bg-muted); overflow: hidden; }
.rb-progress-bar-fill { height: 100%; background: var(--primary); width: 0%; transition: width 0.15s; }

.rb-export-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.rb-download-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.4rem; border-radius: 999px;
  border: 1px solid var(--border-strong); background: transparent;
  color: var(--fg); font-family: var(--font); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
}
.rb-download-btn:hover { border-color: var(--primary); color: var(--primary); }
.rb-download-btn.rb-primary-btn { background: var(--primary); border-color: var(--primary); color: var(--primary-fg); }
.rb-download-btn.rb-primary-btn:hover { filter: brightness(1.08); color: var(--primary-fg); }
.rb-download-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.rb-sheets { display: flex; flex-direction: column; gap: 0; margin-top: 2rem; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.rb-sheet-row {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 1.1rem; border-bottom: 1px solid var(--border); background: var(--bg-muted);
  font-size: 0.85rem;
}
.rb-sheet-row:last-child { border-bottom: none; }
.rb-sheet-row-label { color: var(--fg-muted); }
.rb-sheet-row-label strong { color: var(--fg); font-weight: 600; }
.rb-sheet-png-link { color: var(--primary); font-size: 0.8rem; font-weight: 500; cursor: pointer; background: none; border: none; font-family: var(--font); }
.rb-sheet-png-link:hover { text-decoration: underline; }

.rb-disclaimer {
  margin-top: 1rem; padding: 0.85rem 1.1rem;
  background: rgba(216, 90, 48, 0.1); border: 1px solid rgba(216, 90, 48, 0.35);
  border-radius: var(--radius); font-size: 0.85rem; color: var(--fg-muted); max-width: 720px;
}
.rb-disclaimer strong { color: var(--fg); }

@media (max-width: 900px) {
  .rb-tool-grid { grid-template-columns: 1fr; }
  .rb-field-row { grid-template-columns: 1fr; }
}