/* SVG Editor — dark, sober, tool-like theme. Desktop only. */
:root {
  --bg: #0e1116;
  --bg-panel: #161b22;
  --bg-elev: #1c232d;
  --border: #2a323d;
  --border-strong: #3a4453;
  --text: #e6e8eb;
  --text-dim: #8b95a3;
  --accent: #5b8def;
  --accent-hover: #6d9bf5;
  --danger: #e5534b;
  --handle: #5b8def;
  --node: #f0c14b;
  --ctrl: #58c4a0;
  --shadow: 0 8px 24px rgba(0,0,0,.4);
  --checker-a: #1a1f27;
  --checker-b: #141922;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex; flex-direction: column;
  overflow: hidden;
  user-select: none;
}

/* ---- Top bar ---- */
.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  height: 48px;
  padding: 0 12px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.top-left { display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; letter-spacing: .2px; color: var(--text); margin-right: 4px; }
.brand svg { color: var(--accent); }
.top-group { display: flex; align-items: center; gap: 6px; }
.top-group.center { justify-content: center; }
.top-group.right { justify-content: flex-end; }

.tb {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 11px;
  cursor: pointer;
  font-size: 12.5px;
  transition: background .12s, border-color .12s;
}
.tb:hover { background: #232c37; border-color: var(--border-strong); }
.tb:disabled { opacity: .4; cursor: default; }
.tb.icon { padding: 6px 10px; font-size: 15px; line-height: 1; }
.tb.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.tb.primary:hover { background: var(--accent-hover); }
.zoom { color: var(--text-dim); min-width: 44px; text-align: center; font-variant-numeric: tabular-nums; }

/* ---- Language picker ---- */
.lang-picker { position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; }
.lang-btn svg { opacity: .75; }
.lang-menu {
  position: absolute; top: calc(100% + 6px); right: 0; z-index: 60;
  min-width: 150px; margin: 0; padding: 5px; list-style: none;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: 9px; box-shadow: 0 10px 28px rgba(0,0,0,.45);
}
.lang-menu li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 7px 10px; border-radius: 6px; cursor: pointer;
  font-size: 12.5px; color: var(--text);
}
.lang-menu li:hover { background: var(--accent); color: #fff; }
.lang-menu li .lang-check { visibility: hidden; font-weight: 700; }
.lang-menu li.active .lang-check { visibility: visible; color: var(--accent); }
.lang-menu li.active:hover .lang-check { color: #fff; }

/* ---- Workspace ---- */
.workspace { flex: 1; display: flex; min-height: 0; }

/* ---- Left toolbar ---- */
.toolbar {
  width: 52px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center;
  gap: 4px; padding: 8px 0;
}
.tool-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: transparent; border: 1px solid transparent; border-radius: 8px;
  color: var(--text-dim); cursor: pointer; transition: all .12s;
}
.tool-btn svg { width: 22px; height: 22px; }
.tool-btn:hover { background: var(--bg-elev); color: var(--text); }
.tool-btn.active { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.tool-btn.act:hover { color: var(--accent); }
.tb-sep { width: 26px; height: 1px; background: var(--border); margin: 5px 0; }

/* ---- Canvas ---- */
.canvas-stage {
  flex: 1; position: relative; overflow: hidden;
  background-color: var(--checker-b);
  background-image:
    linear-gradient(45deg, var(--checker-a) 25%, transparent 25%),
    linear-gradient(-45deg, var(--checker-a) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--checker-a) 75%),
    linear-gradient(-45deg, transparent 75%, var(--checker-a) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
  cursor: default;
}
/* Rainbow wash a la Google Lens: glows perimetrales con alpha sobre el damero.
   Va en un ::before para quedar debajo del artwork (los svg hijos posicionados
   pintan encima) — el dibujo no se tiñe, solo el fondo. */
.canvas-stage::before {
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(68% 58% at 0% 0%,    rgba(212, 185, 50, .30), transparent 82%),
    radial-gradient(58% 46% at 0% 42%,   rgba(226, 118, 60, .24), transparent 82%),
    radial-gradient(62% 52% at 0% 88%,   rgba(219, 68, 120, .26), transparent 82%),
    radial-gradient(74% 52% at 46% -6%,  rgba(45, 190, 185, .20), transparent 82%),
    radial-gradient(78% 72% at 103% 22%, rgba(58, 120, 255, .28), transparent 84%),
    radial-gradient(72% 62% at 100% 78%, rgba(64, 110, 240, .26), transparent 84%),
    radial-gradient(62% 48% at 55% 104%, rgba(88, 92, 228, .22), transparent 82%);
}

.canvas-stage[data-mode="rect"],
.canvas-stage[data-mode="ellipse"],
.canvas-stage[data-mode="line"],
.canvas-stage[data-mode="pen"] { cursor: crosshair; }
.canvas-stage.drag-over { outline: 2px dashed var(--accent); outline-offset: -6px; }

/* ---- Canvas scrollbars (overlay, only when content exceeds the view) ---- */
.cv-sb {
  position: absolute; z-index: 6;
  opacity: 0; pointer-events: none;
  transition: opacity .18s;
}
.cv-sb.visible { opacity: 1; pointer-events: auto; }
.cv-sb-h { left: 4px; right: 16px; bottom: 3px; height: 10px; }
.cv-sb-v { top: 4px; bottom: 16px; right: 3px; width: 10px; }
.cv-sb-thumb {
  position: absolute; border-radius: 5px;
  background: rgba(230, 235, 245, .22);
  border: 1px solid rgba(14, 17, 22, .55);
  transition: background .15s;
}
.cv-sb-h .cv-sb-thumb { top: 1px; bottom: 1px; }
.cv-sb-v .cv-sb-thumb { left: 1px; right: 1px; }
.cv-sb:hover .cv-sb-thumb, .cv-sb.dragging .cv-sb-thumb { background: rgba(230, 235, 245, .42); }
.cv-sb.dragging .cv-sb-thumb { background: var(--accent); }
.doc-svg { display: block; position: absolute; inset: 0; width: 100%; height: 100%; }

/* Drop hint */
.drop-hint {
  position: absolute; inset: 0; display: grid; place-items: center;
  pointer-events: none; z-index: 5;
}
.drop-hint[hidden] { display: none; }
.drop-box {
  text-align: center; color: var(--text-dim);
  border: 1.5px dashed var(--border-strong); border-radius: 14px;
  padding: 34px 46px; background: rgba(22,27,34,.55); backdrop-filter: blur(2px);
  pointer-events: auto; cursor: pointer; transition: border-color .15s, background .15s;
}
.drop-box:hover { border-color: var(--accent); background: rgba(22,27,34,.75); }
.drop-box svg { color: var(--accent); margin-bottom: 8px; }
.drop-box p { margin: 6px 0 4px; font-size: 15px; color: var(--text); }
.drop-box span { font-size: 12px; }
.drop-box b { color: var(--text); }

/* Overlay visuals */
.overlay .ov-frame { stroke: var(--handle); stroke-width: 1; stroke-dasharray: 4 3; }
.overlay .ov-shape { stroke: var(--handle); stroke-width: 1; opacity: .55; }
.overlay .ov-handle { fill: #fff; stroke: var(--handle); stroke-width: 1.4; cursor: nwse-resize; }
.overlay .ov-rot { fill: var(--accent); stroke: #fff; cursor: grab; }
.overlay .ov-rot-stem { stroke: var(--handle); stroke-width: 1; }
.overlay .ov-node { fill: var(--node); stroke: #1a1206; stroke-width: 1; cursor: move; }
.overlay .ov-node-sel { fill: #fff; stroke: var(--node); stroke-width: 2; }
.overlay .ov-ctrl { fill: var(--ctrl); stroke: #06231b; stroke-width: 1; cursor: move; }
.overlay .ov-hline { stroke: var(--ctrl); stroke-width: 1; opacity: .6; }
.overlay .ov-marquee { fill: rgba(91,141,239,.12); stroke: var(--accent); stroke-width: 1; stroke-dasharray: 3 2; }

/* ---- Right panel ---- */
.style-panel {
  width: 244px;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  padding: 14px 14px 18px;
  overflow-y: auto;
}
.style-panel.disabled { opacity: .5; pointer-events: none; }
.style-panel.disabled .sel-info { pointer-events: auto; }
.panel-title { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); margin: 2px 0 10px; font-weight: 600; }
.sel-info {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 10px; color: var(--text); font-size: 12px; margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
.field { margin-bottom: 16px; }
.field > label { display: block; font-size: 11.5px; color: var(--text-dim); margin-bottom: 6px; }
.field .val { color: var(--text); float: right; font-variant-numeric: tabular-nums; }
.row { display: flex; align-items: center; gap: 10px; }
.chk { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-dim); cursor: pointer; }
.chk input { accent-color: var(--accent); }

input[type="color"] {
  width: 44px; height: 30px; padding: 0; border: 1px solid var(--border-strong);
  border-radius: 6px; background: var(--bg-elev); cursor: pointer;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 3px; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }

input[type="range"] {
  width: 100%; accent-color: var(--accent); height: 4px; cursor: pointer;
}
.grad-note { margin-top: 6px; font-size: 11px; color: var(--ctrl); font-style: italic; }

.mini {
  flex: 1; background: var(--bg-elev); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px; cursor: pointer; font-size: 12px;
}
.mini:hover { background: #232c37; border-color: var(--border-strong); }

/* ---- Modal (paste SVG) ---- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  background: rgba(6, 9, 13, .62); backdrop-filter: blur(2px);
}
.modal-backdrop[hidden] { display: none; }
.modal {
  width: min(640px, 92vw);
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.modal-head h2 { font-size: 15px; font-weight: 600; margin: 0; color: var(--text); }
.modal-close {
  background: transparent; border: none; color: var(--text-dim);
  font-size: 22px; line-height: 1; cursor: pointer; padding: 0 4px; border-radius: 6px;
}
.modal-close:hover { color: var(--text); background: var(--bg-elev); }
.modal-hint { color: var(--text-dim); font-size: 12.5px; margin: 4px 0 12px; }
.modal-hint code { background: var(--bg-elev); padding: 1px 5px; border-radius: 4px; color: var(--text); }
.modal-sub { display: block; font-size: 11.5px; color: var(--text-dim); margin: 4px 0 6px; }
.url-row { display: flex; gap: 8px; }
.url-row input {
  flex: 1; background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 8px;
  padding: 8px 11px; font-size: 13px; outline: none;
}
.url-row input:focus { border-color: var(--accent); }
.url-row .tb { white-space: nowrap; }
.modal-or {
  display: flex; align-items: center; text-align: center;
  color: var(--text-dim); font-size: 11.5px; margin: 14px 0 8px; gap: 10px;
}
.modal-or::before, .modal-or::after { content: ''; flex: 1; height: 1px; background: var(--border); }

#paste-input {
  width: 100%; height: 180px; resize: vertical;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 8px;
  padding: 12px; font: 12.5px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  outline: none; tab-size: 2;
}
#paste-input:focus { border-color: var(--accent); }
.modal-error {
  margin-top: 10px; padding: 8px 11px; border-radius: 7px;
  background: rgba(229, 83, 75, .12); border: 1px solid var(--danger);
  color: #ffb3ae; font-size: 12.5px;
}
.modal-error[hidden] { display: none; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }

/* Help modal */
.modal-help { width: min(860px, 94vw); max-height: 88vh; overflow-y: auto; }
.help-grid {
  margin-top: 10px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 26px;
}
.help-grid section { break-inside: avoid; }
.help-grid h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1px;
  color: var(--accent); margin: 12px 0 6px; font-weight: 600;
}
.help-grid dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; }
.help-grid dt {
  color: var(--text); font-weight: 600; white-space: nowrap;
  font-size: 11.5px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.help-grid dd { margin: 0; color: var(--text-dim); font-size: 12.5px; }
@media (max-width: 680px) { .help-grid { grid-template-columns: 1fr; } }

/* ---- Toast ---- */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-elev); color: var(--text); border: 1px solid var(--border-strong);
  padding: 10px 18px; border-radius: 8px; box-shadow: var(--shadow);
  opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; z-index: 100;
  font-size: 13px;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: var(--danger); color: #ffb3ae; }