/* DXF → NC Converter — стили */

:root {
  --bg: #1e1e2e;
  --bg-panel: #181825;
  --bg-elevated: #313244;
  --text: #cdd6f4;
  --text-dim: #a6adc8;
  --text-mute: #6c7086;
  --accent: #89b4fa;
  --accent-strong: #74c7ec;
  --green: #40a02b;
  --red: #d20f39;
  --border: #45475a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 13px;
  overflow: hidden;
}

:root {
  --preview-rows: 28vh;
}

#app {
  display: grid;
  grid-template-rows: auto 1fr auto var(--preview-rows) auto;
  grid-template-areas:
    "toolbar"
    "main"
    "advanced"
    "preview"
    "status";
  height: 100vh;
}
#app.preview-collapsed {
  grid-template-rows: auto 1fr auto auto auto;
}
#app.preview-collapsed #preview-body {
  display: none;
}

/* --- Toolbar --- */

#toolbar {
  grid-area: toolbar;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 14px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.field.grow { flex-direction: row; align-items: center; gap: 8px; }
.field label {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="number"], input[type="text"], select {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 13px;
  width: 80px;
  outline: none;
}
input[type="number"]:focus, select:focus { border-color: var(--accent); }
select { width: 130px; cursor: pointer; }

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}
.checkbox input { margin: 0; }

.array-fields {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.array-fields span { color: var(--text-dim); font-size: 12px; }
.array-fields input[type="number"] { width: 56px; }

.btn {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.1s;
}
.field .btn {
  padding: 4px 12px;
}
.field-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn:hover { background: var(--border); }
.btn.primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.btn.primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.danger {
  background: var(--red);
  color: var(--text);
  border-color: var(--red);
}
.btn.danger:hover { opacity: 0.85; }
.btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
  font-weight: 600;
}
.btn.active:hover { background: var(--accent-strong); border-color: var(--accent-strong); }

.link-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 12px;
  padding: 4px 0;
}
.link-btn:hover { color: var(--accent); }

/* --- Dropdown --- */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 2px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 140px;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 6px 12px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}
.dropdown-item:hover { background: var(--border); }

/* --- Main area --- */

#main {
  grid-area: main;
  display: flex;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

#canvas-wrap {
  flex: 1;
  position: relative;
  background: var(--bg);
  overflow: hidden;
}
#canvas-wrap.dragover {
  outline: 2px dashed var(--accent);
  outline-offset: -8px;
}
#canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: default;
}

/* --- Side panels --- */

#side-panel,
#g0-panel,
#pause-panel {
  width: 0;
  overflow: hidden;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#side-panel.open,
#g0-panel.open,
#pause-panel.open {
  width: 240px;
  padding: 14px;
}
#side-panel h3,
#g0-panel h3,
#pause-panel h3 {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--green);
}
#side-panel .row,
#g0-panel .row,
#pause-panel .row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}
#side-panel .row span,
#g0-panel .row span,
#pause-panel .row span { color: var(--text-dim); }
#side-panel .row b,
#g0-panel .row b,
#pause-panel .row b { font-family: 'Consolas', 'Courier New', monospace; }
#side-panel .hint,
#g0-panel .hint,
#pause-panel .hint {
  margin: 6px 0 0;
  font-size: 11px;
  color: var(--text-mute);
  line-height: 1.4;
}
#pause-panel .row input[type="number"] {
  width: 70px;
  text-align: right;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  padding: 2px 6px;
}
#pause-panel .row input[type="checkbox"] {
  margin: 0;
}

/* --- Overlay / Modal --- */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal h3 {
  margin: 0;
  font-size: 14px;
  color: var(--green);
}
.modal .btn {
  align-self: flex-end;
}

/* --- Advanced / Preview --- */

#advanced {
  grid-area: advanced;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  padding: 4px 14px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
#adv-body {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
#adv-toggle {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#preview {
  grid-area: preview;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#preview-resizer {
  height: 6px;
  flex: 0 0 auto;
  cursor: ns-resize;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  position: relative;
}
#preview-resizer::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 2px;
  background: var(--text-mute);
  border-radius: 1px;
  transition: background 0.15s;
}
#preview-resizer:hover::after { background: var(--accent); }
.preview-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 4px 14px;
}
.preview-header .link-btn { padding: 4px 0; }
#preview-toggle { padding: 4px 0; }
.preview-copy-btn {
  font-size: 11px;
  color: var(--text-mute);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 8px;
  background: var(--bg-elevated);
}
.preview-copy-btn:hover { color: var(--accent); border-color: var(--accent); }
.preview-copy-btn.copied { color: var(--green); border-color: var(--green); }
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--text-mute);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-left: 4px;
}
@keyframes spin { to { transform: rotate(360deg); } }
#preview-body {
  overflow: auto;
  flex: 1 1 auto;
  min-height: 0;
}
#preview-code {
  margin: 0;
  padding: 8px 14px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 12px;
  color: var(--text);
  white-space: pre;
  line-height: 1.4;
}

/* --- Status --- */

#status {
  grid-area: status;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 4px 14px;
  font-size: 12px;
  color: var(--text-mute);
  display: flex;
  justify-content: space-between;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-elevated); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--border); }