/* Callahorn Blueprint — dark chrome (amber / rose / violet accents), light canvas */
:root {
  --bg: #0a0810;
  --panel: #130e1c;
  --panel-2: #1a1326;
  --border: rgba(214, 178, 148, 0.16);
  --border-hot: rgba(251, 191, 36, 0.55);
  --text: #f2ecff;
  --muted: #a396b8;
  --accent-a: #fbbf24;
  --accent-b: #fb7185;
  --accent-c: #a78bfa;
  --grad: linear-gradient(100deg, var(--accent-a), var(--accent-b) 55%, var(--accent-c));
  --danger: #f87171;
  --ok: #34d399;
  --sel: #2f7df6;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 13px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif; display: flex; flex-direction: column; height: 100dvh; overflow: hidden; user-select: none; }
.hidden { display: none !important; }
.spacer { flex: 1; }
.hint { color: var(--muted); font-size: 12px; }
.error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

button, select, input, textarea { font: inherit; color: inherit; }
button { background: var(--panel-2); border: 1px solid var(--border); border-radius: 7px; padding: 5px 10px; cursor: pointer; }
button:hover { border-color: var(--border-hot); }
button.primary { background: var(--grad); color: #1a0f08; border: none; font-weight: 600; }
button.ghost { background: transparent; }
button.small { padding: 3px 9px; }
button:disabled { opacity: 0.45; cursor: default; }
input, select, textarea { background: #0e0a16; border: 1px solid var(--border); border-radius: 6px; padding: 4px 7px; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--border-hot); }
input[type="color"] { padding: 0; width: 30px; height: 24px; border-radius: 5px; cursor: pointer; }
input[type="checkbox"] { accent-color: var(--accent-a); }

/* top bar */
.topbar { display: flex; align-items: center; gap: 10px; padding: 6px 12px; border-bottom: 1px solid var(--border); background: var(--panel); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; white-space: nowrap; }
.menubar { display: flex; gap: 2px; }
.menubar button { background: transparent; border: 1px solid transparent; padding: 4px 9px; }
.menubar button:hover, .menubar button.open { background: var(--panel-2); border-color: var(--border); }
.doc-name { width: 230px; background: transparent; border-color: transparent; font-weight: 600; }
.doc-name:hover { border-color: var(--border); }
.save-state { color: var(--muted); font-size: 12px; white-space: nowrap; }

.toolbar { display: flex; align-items: center; gap: 4px; padding: 5px 10px; border-bottom: 1px solid var(--border); background: var(--panel); flex-wrap: wrap; }
.toolbar button { padding: 4px 7px; min-width: 30px; height: 28px; display: inline-flex; align-items: center; justify-content: center; gap: 5px; background: transparent; border-color: transparent; }
.toolbar button:hover { background: var(--panel-2); border-color: var(--border); }
.toolbar button.active { background: rgba(251, 191, 36, 0.16); border-color: var(--border-hot); }
.toolbar svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.toolbar .sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; }
.toolbar select, .toolbar input { height: 26px; }
.toolbar .swatch { width: 16px; height: 4px; border-radius: 2px; display: block; }
.toolbar label.color { display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; height: 28px; min-width: 30px; border-radius: 7px; cursor: pointer; position: relative; font-weight: 700; }
.toolbar label.color:hover { background: var(--panel-2); }
.toolbar label.color input { position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; }

/* work area */
.work { flex: 1; display: flex; min-height: 0; }
.stencils { width: 232px; border-right: 1px solid var(--border); background: var(--panel); display: flex; flex-direction: column; min-height: 0; }
.stencils input { margin: 8px; }
.stencil-list { overflow-y: auto; flex: 1; padding: 0 6px 12px; }
.stencil-cat > button { width: 100%; text-align: left; background: transparent; border: none; padding: 7px 6px 5px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px; }
.stencil-cat > button::before { content: "▾ "; }
.stencil-cat.closed > button::before { content: "▸ "; }
.stencil-cat.closed .stencil-grid { display: none; }
.stencil-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.stencil-item { aspect-ratio: 1; border: 1px solid transparent; border-radius: 7px; display: flex; align-items: center; justify-content: center; cursor: grab; background: transparent; padding: 5px; touch-action: none; }
.stencil-item:hover { background: var(--panel-2); border-color: var(--border-hot); }
.stencil-item svg { width: 100%; height: 100%; pointer-events: none; }
.drag-ghost { position: fixed; pointer-events: none; z-index: 50; opacity: 0.85; }

.stage { flex: 1; position: relative; overflow: hidden; background: #2a2533; outline: none; min-width: 0; }
.canvas { display: block; touch-action: none; }
.canvas[data-tool="connector"] { cursor: crosshair; }
.canvas[data-tool="text"] { cursor: text; }
.canvas[data-tool="pan"], .canvas.pan-ready { cursor: grab; }
.canvas.panning { cursor: grabbing; }
.canvas [data-id] { cursor: move; }
.canvas[data-tool="connector"] [data-id] { cursor: crosshair; }
.overlay .sel-box { fill: none; stroke: var(--sel); stroke-width: 1.2; pointer-events: none; }
.overlay .sel-box.locked { stroke: #e11d48; stroke-dasharray: 4 3; }
.overlay .sel-multi { fill: none; stroke: var(--sel); stroke-width: 1; stroke-dasharray: 5 4; pointer-events: none; }
.overlay .sel-conn { fill: none; stroke: var(--sel); stroke-width: 1; stroke-dasharray: 3 3; pointer-events: none; }
.overlay .handle { fill: #fff; stroke: var(--sel); stroke-width: 1.3; }
.overlay .rot-handle { fill: #fff; stroke: var(--sel); stroke-width: 1.3; cursor: grab; }
.overlay .end-handle { fill: #fff; stroke: var(--sel); stroke-width: 1.6; cursor: move; }
.overlay .end-handle.glued { fill: #22c55e; stroke: #15803d; }
.overlay .seg-handle { fill: #fbbf24; stroke: #92400e; stroke-width: 1; }
.overlay .port { fill: #fff; stroke: #16a34a; stroke-width: 1.6; cursor: crosshair; }
.overlay .port:hover, .overlay .port.hot { fill: #22c55e; }
.overlay .port.hot { pointer-events: none; }
.overlay .glue-box { fill: rgba(34, 197, 94, 0.08); stroke: #22c55e; stroke-width: 1.5; pointer-events: none; }
.overlay .marquee { fill: rgba(47, 125, 246, 0.1); stroke: var(--sel); stroke-width: 1; pointer-events: none; }
.overlay .guide { stroke: #f43f5e; stroke-width: 1; stroke-dasharray: 4 3; pointer-events: none; }
.text-edit { position: absolute; z-index: 5; resize: none; overflow: hidden; background: rgba(255, 255, 255, 0.94); border: 1.5px solid var(--sel); border-radius: 3px; padding: 2px 3px; line-height: 1.25; user-select: text; }

.props { width: 256px; border-left: 1px solid var(--border); background: var(--panel); overflow-y: auto; padding: 4px 10px 20px; }
.props h3 { margin: 12px 0 6px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; }
.props .row { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.props .row > label { color: var(--muted); width: 58px; flex: none; font-size: 12px; }
.props .row input[type="number"], .props .row select, .props .row input[type="text"] { flex: 1; width: 0; }
.props .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 6px; }
.props .grid2 label { display: flex; align-items: center; gap: 5px; color: var(--muted); font-size: 12px; }
.props .grid2 input { width: 0; flex: 1; }
.props .btns { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 6px; }
.props .btns button { padding: 3px 7px; min-width: 28px; }
.props .btns button.active { background: rgba(251, 191, 36, 0.16); border-color: var(--border-hot); }
.props .palette { display: grid; grid-template-columns: repeat(10, 1fr); gap: 3px; margin-bottom: 8px; }
.props .palette button { aspect-ratio: 1; padding: 0; border-radius: 4px; border: 1px solid rgba(255, 255, 255, 0.18); min-width: 0; }
.props .palette button.none { background: repeating-linear-gradient(45deg, #fff 0 3px, #f87171 3px 5px); }
.props .empty { color: var(--muted); margin-top: 14px; line-height: 1.6; }
.kbd { font: 11px Consolas, monospace; border: 1px solid var(--border); border-radius: 4px; padding: 0 4px; }

.statusbar { display: flex; align-items: center; gap: 6px; padding: 4px 10px; border-top: 1px solid var(--border); background: var(--panel); }
.page-tabs { display: flex; gap: 3px; align-items: center; overflow-x: auto; }
.page-tabs button { padding: 3px 11px; white-space: nowrap; background: transparent; }
.page-tabs button.active { background: var(--panel-2); border-color: var(--border-hot); }

/* menus, dialogs, toast */
.menu-pop { position: fixed; z-index: 60; min-width: 220px; background: #1c1529; border: 1px solid var(--border); border-radius: 9px; padding: 5px; box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55); }
.menu-pop button { display: flex; width: 100%; justify-content: space-between; gap: 24px; text-align: left; background: transparent; border: none; padding: 5px 10px; border-radius: 6px; }
.menu-pop button:hover { background: rgba(251, 191, 36, 0.14); }
.menu-pop button span.k { color: var(--muted); font-size: 11.5px; }
.menu-pop hr { border: none; border-top: 1px solid var(--border); margin: 4px 2px; }
.dlg { background: #171121; color: var(--text); border: 1px solid var(--border); border-radius: 13px; padding: 18px 20px; min-width: 380px; max-width: min(720px, 92vw); max-height: 86vh; overflow: auto; user-select: text; }
.dlg::backdrop { background: rgba(5, 3, 10, 0.6); }
.dlg h2 { margin: 0 0 12px; font-size: 16px; }
.dlg .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.dlg table { border-collapse: collapse; width: 100%; }
.dlg td, .dlg th { padding: 4px 6px; text-align: left; border-bottom: 1px solid var(--border); }
.dlg td input { width: 100%; }
.dlg .list { display: flex; flex-direction: column; gap: 4px; max-height: 50vh; overflow: auto; }
.dlg .list .item { display: flex; align-items: center; gap: 8px; padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; }
.dlg .list .item:hover { border-color: var(--border-hot); }
.dlg .tpl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dlg .tpl button { padding: 14px 8px; display: flex; flex-direction: column; gap: 6px; align-items: center; }
.toast { position: fixed; left: 50%; bottom: 46px; transform: translateX(-50%); background: #1c1529; border: 1px solid var(--border-hot); border-radius: 9px; padding: 8px 16px; z-index: 80; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
.drop-hint { position: fixed; inset: 0; z-index: 70; display: flex; align-items: center; justify-content: center; background: rgba(10, 8, 16, 0.78); border: 3px dashed var(--accent-a); font-size: 20px; pointer-events: none; }

.gate { position: fixed; inset: 0; z-index: 100; background: var(--bg); display: flex; align-items: center; justify-content: center; }
.gate-card { width: 340px; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 24px; display: flex; flex-direction: column; gap: 10px; user-select: text; }
.gate-card h1 { margin: 0; font-size: 22px; }
.gate-card label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 12px; }
.gate-card input { padding: 7px 9px; color: var(--text); font-size: 14px; }
.gate-tabs { display: flex; gap: 4px; }
.gate-tabs button { flex: 1; }
.gate-tabs button.active { border-color: var(--border-hot); background: rgba(251, 191, 36, 0.14); }

@media (max-width: 900px) { .props { display: none; } .stencils { width: 168px; } .stencil-grid { grid-template-columns: repeat(3, 1fr); } .doc-name { width: 130px; } }
@media print { .topbar, .toolbar, .stencils, .props, .statusbar { display: none; } }