/* =========================================================
   toolbar.css — Sidebar sinistra tools e sidebar destra panel
   ========================================================= */

/* ---- Sidebar sinistra ---- */
#toolbar-left {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-group {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.tool-group:last-child { border-bottom: none; }

.tool-group-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-left: 2px;
}

/* Tool button principale */
.tool-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-bottom: 5px;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  text-align: left;
}

.tool-btn:last-child { margin-bottom: 0; }

.tool-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-accent);
  color: var(--accent);
}

.tool-btn.active {
  background: var(--bg-active);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.tool-btn.btn-accent {
  border-color: var(--accent-dim);
  color: var(--accent);
}

.tool-btn.btn-accent:hover:not(:disabled) {
  background: var(--accent);
  color: var(--bg-base);
  box-shadow: 0 0 12px var(--accent-glow);
}

.tool-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.tool-icon {
  font-size: 15px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}

.tool-label {
  font-size: 12px;
}

/* ---- Bottoni affiancati (50% + 50%) ---- */
.tool-btn-row {
  display: flex;
  gap: 5px;
  margin-bottom: 5px;
}

.tool-btn-half {
  flex: 1;
  width: auto;
  margin-bottom: 0;
  padding: 7px 6px;
  justify-content: center;
  gap: 5px;
}

.tool-btn-half .tool-icon {
  width: auto;
}

/* Sub-opzioni sotto un tool */
.tool-sub {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 10px;
  margin-bottom: 5px;
  font-size: 11px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool-sub select {
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 11px;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ---- Palette colori linee libere ---- */
.tool-sub-palette {
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 8px 10px;
}

.palette-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.palette-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.palette-swatch {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  flex-shrink: 0;
}

.palette-swatch:hover {
  transform: scale(1.2);
  box-shadow: 0 0 4px rgba(255,255,255,0.3);
}

.palette-swatch.selected {
  border: 2px solid #fff;
  box-shadow: 0 0 6px rgba(255,255,255,0.5);
  transform: scale(1.15);
}

/* ---- Cursori tool personalizzati ---- */
/* Il cursore viene impostato direttamente via canvas.style.cursor in FreeLines.js
   poiché Edge non supporta cursori SVG/PNG inline nelle classi CSS */


/* ---- Cronometro ---- */
#chronometer-display {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-align: center;
  padding: 8px 0;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  text-shadow: 0 0 8px var(--accent-glow);
}

#chronometer-display.running {
  color: var(--green);
  text-shadow: 0 0 8px rgba(0,229,138,0.3);
  border-color: var(--green);
}

.chrono-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 4px;
}

.tool-btn-sm {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 13px;
  height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.12s;
}

.tool-btn-sm:hover {
  background: var(--bg-hover);
  color: var(--accent);
  border-color: var(--border-accent);
}

/* =========================================================
   PANEL DESTRO
   ========================================================= */
#panel-right {
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.panel-section {
  padding: 14px;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ---- Stato calibrazione ---- */
#calib-status { display: flex; flex-direction: column; gap: 6px; }

.calib-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.calib-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
  transition: background 0.2s, box-shadow 0.2s;
}

.calib-item.done .calib-dot {
  background: var(--green);
  box-shadow: 0 0 6px rgba(0,229,138,0.5);
}

.calib-item.partial .calib-dot {
  background: var(--yellow);
}

.calib-item.error .calib-dot {
  background: var(--red);
}

/* ---- Tabella coordinate ---- */
#coords-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 12px;
}

#coords-table tr {
  border-bottom: 1px solid var(--border);
}

#coords-table tr.coord-separator td {
  padding-top: 10px;
  border-top: 1px solid var(--border-accent);
}

.coord-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 0;
  width: 60%;
}

.coord-unit {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 400;
}

.coord-value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  text-align: right;
  letter-spacing: 0.06em;
}

/* ---- Panel buttons ---- */
.btn-panel {
  width: 100%;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: 0.12s;
}

.btn-panel:hover:not(:disabled) {
  background: var(--bg-active);
  border-color: var(--border-accent);
  color: var(--accent);
}

.btn-panel:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ---- Log misure ---- */
#measure-log {
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.log-empty {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 10px 0;
}

.log-entry {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.log-entry .log-time {
  color: var(--text-muted);
  font-size: 10px;
}


/* =========================================================
   FOOTER AUTORE
   ========================================================= */
#author-footer {
  position: fixed;
  bottom: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 90;
  opacity: 0.55;
  transition: opacity 0.2s;
}

#author-footer:hover {
  opacity: 1;
}

#author-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: invert(1) brightness(0.7);
}

#author-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 11px;
  letter-spacing: 0.03em;
}

/* ---- Link istruzioni ---- */
.toolbar-help-link {
  margin-top: auto;
  padding: 10px 14px 14px;
  text-align: center;
}

.toolbar-help-link a {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.toolbar-help-link a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.toolbar-help-link .info-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-base);
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  text-decoration: none;
}