/* ===== Project Rico — global styles ===== */
:root {
  --bg: #0e0f13;
  --bg-elev: #16181f;
  --bg-elev-2: #1d2029;
  --bg-input: #11131a;
  --border: #2a2e3a;
  --border-soft: #21242e;
  --text: #e7e9ef;
  --text-dim: #9aa0b0;
  --text-faint: #646b7d;
  --accent: #6d8bff;
  --accent-soft: rgba(109, 139, 255, 0.16);
  --accent-2: #54d6a3;
  --danger: #ff6b6b;
  --warn: #ffb454;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --radius: 10px;
  --radius-sm: 7px;
  --sidebar-w: 244px;
  --sidebar-w-collapsed: 60px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
button { font-family: inherit; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #2c303c; border-radius: 8px; }
::-webkit-scrollbar-track { background: transparent; }

#app { display: flex; height: 100vh; width: 100vw; }
#content { flex: 1; min-width: 0; position: relative; overflow: hidden; }

/* ===== Sidebar ===== */
#sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width 0.16s ease;
  user-select: none;
}
#sidebar.collapsed { width: var(--sidebar-w-collapsed); }
.sb-header {
  display: flex; align-items: center; gap: 9px;
  padding: 14px 14px 10px;
}
.sb-logo {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #0b0c10; font-weight: 800; font-size: 15px;
}
.sb-title { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; white-space: nowrap; }
.sb-collapse-btn {
  margin-left: auto; background: none; border: none; color: var(--text-faint);
  cursor: pointer; padding: 4px; border-radius: 6px; display: grid; place-items: center;
}
.sb-collapse-btn:hover { background: var(--bg-elev-2); color: var(--text); }
.collapsed .sb-title, .collapsed .sb-search-wrap { display: none; }
.collapsed .sb-header { justify-content: center; }
.collapsed .sb-collapse-btn { margin-left: 0; }

.sb-search-wrap { padding: 4px 12px 10px; position: relative; }
.sb-search {
  width: 100%; background: var(--bg-input); border: 1px solid var(--border);
  color: var(--text); padding: 8px 10px 8px 30px; border-radius: 8px; font-size: 13px; outline: none;
}
.sb-search:focus { border-color: var(--accent); }
.sb-search-icon { position: absolute; left: 22px; top: 13px; color: var(--text-faint); pointer-events: none; }

.sb-tabs { flex: 1; overflow-y: auto; padding: 4px 8px 12px; }
.sb-tab {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 11px; border-radius: 8px; cursor: pointer; color: var(--text-dim);
  margin-bottom: 2px; position: relative; white-space: nowrap;
}
.sb-tab:hover { background: var(--bg-elev-2); color: var(--text); }
.sb-tab.active { background: var(--accent-soft); color: var(--text); }
.sb-tab.active::before {
  content: ""; position: absolute; left: -8px; top: 7px; bottom: 7px; width: 3px;
  background: var(--accent); border-radius: 0 3px 3px 0;
}
.sb-tab .tab-icon { flex-shrink: 0; display: grid; place-items: center; width: 18px; height: 18px; }
.sb-tab .tab-label { font-size: 13.5px; font-weight: 500; }
.collapsed .sb-tab { justify-content: center; padding: 9px; }
.collapsed .sb-tab .tab-label { display: none; }
.sb-tab.dragging { opacity: 0.4; }
.sb-tab.drag-over { box-shadow: inset 0 2px 0 var(--accent); }
.sb-tab .drag-handle { margin-left: auto; color: var(--text-faint); opacity: 0; cursor: grab; }
.sb-tab:hover .drag-handle { opacity: 1; }
.collapsed .drag-handle { display: none; }

.sb-footer { padding: 10px 12px; border-top: 1px solid var(--border-soft); display: flex; gap: 6px; flex-wrap: wrap; }
.collapsed .sb-footer { flex-direction: column; align-items: center; }
.sb-btn {
  background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text-dim);
  padding: 6px 9px; border-radius: 7px; cursor: pointer; font-size: 12px; display: flex; align-items: center; gap: 6px;
}
.sb-btn:hover { color: var(--text); border-color: var(--accent); }
.collapsed .sb-btn .btn-label { display: none; }

/* ===== Search results dropdown ===== */
.search-results {
  position: absolute; top: 44px; left: 12px; right: 12px; z-index: 60;
  background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: 9px;
  box-shadow: var(--shadow); max-height: 360px; overflow-y: auto; padding: 5px;
}
.search-result {
  display: flex; align-items: center; gap: 9px; padding: 8px 9px; border-radius: 7px; cursor: pointer;
}
.search-result:hover, .search-result.kbd-active { background: var(--accent-soft); }
.search-result .sr-title { font-size: 13px; color: var(--text); }
.search-result .sr-sub { font-size: 11px; color: var(--text-faint); margin-left: auto; }
.search-empty { padding: 14px; color: var(--text-faint); font-size: 12.5px; text-align: center; }

/* ===== Generic page chrome ===== */
.page { height: 100%; overflow-y: auto; }
.page-inner { max-width: 1100px; margin: 0 auto; padding: 28px 32px 80px; }
.page-head { margin-bottom: 22px; display: flex; align-items: flex-start; gap: 14px; }
.page-head .ph-icon {
  width: 40px; height: 40px; border-radius: 11px; background: var(--bg-elev-2);
  display: grid; place-items: center; color: var(--accent); flex-shrink: 0;
}
.page-title { font-size: 24px; font-weight: 700; margin: 0; }
.page-sub { color: var(--text-dim); font-size: 13.5px; margin: 3px 0 0; }

.section { background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 18px; margin-bottom: 18px; }
.section-title { font-size: 14px; font-weight: 600; margin: 0 0 14px; display: flex; align-items: center; gap: 8px; }
.section-title .count { color: var(--text-faint); font-weight: 500; font-size: 12px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ===== Buttons / inputs ===== */
.btn {
  background: var(--accent); color: #0b0c10; border: none; padding: 8px 14px; border-radius: 8px;
  font-weight: 600; font-size: 13px; cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
}
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: var(--bg-elev-2); color: var(--text); border: 1px solid var(--border); }
.btn.ghost:hover { border-color: var(--accent); filter: none; }
.btn.danger { background: var(--danger); color: #1a0c0c; }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.icon-btn {
  background: none; border: none; color: var(--text-faint); cursor: pointer; padding: 5px;
  border-radius: 6px; display: grid; place-items: center;
}
.icon-btn:hover { background: var(--bg-elev-2); color: var(--text); }
.icon-btn.danger:hover { color: var(--danger); }
.input, .select, textarea.input {
  width: 100%; background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
  padding: 8px 10px; border-radius: 8px; font-size: 13px; outline: none; font-family: inherit;
}
.input:focus, .select:focus, textarea.input:focus { border-color: var(--accent); }
textarea.input { resize: vertical; min-height: 60px; }
label.field { display: block; margin-bottom: 10px; }
label.field .lbl { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 5px; }
.row { display: flex; gap: 10px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }

/* ===== Stub / coming-soon ===== */
.stub {
  border: 1px dashed var(--border); border-radius: var(--radius); padding: 14px 16px;
  background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255,255,255,0.012) 10px, rgba(255,255,255,0.012) 20px);
  color: var(--text-dim); display: flex; align-items: center; gap: 11px; font-size: 13px;
}
.stub .stub-badge {
  background: var(--accent-soft); color: var(--accent); font-size: 10.5px; font-weight: 700;
  padding: 3px 8px; border-radius: 20px; letter-spacing: 0.4px; flex-shrink: 0;
}

/* ===== Tables / lists (data pages) ===== */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th { text-align: left; color: var(--text-faint); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.4px; padding: 7px 10px; border-bottom: 1px solid var(--border); }
.data-table td { padding: 9px 10px; border-bottom: 1px solid var(--border-soft); }
.data-table tr:hover td { background: rgba(255,255,255,0.015); }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 20px; font-size: 11.5px; background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text-dim); }
.chip.danger { color: var(--danger); border-color: var(--danger); background: rgba(255, 107, 107, 0.08); }
.chip.warn { color: #ffb454; border-color: #ffb454; background: rgba(255, 180, 84, 0.08); }
.chip.due { flex-shrink: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; }

/* list item with checkbox */
.li-item { display: flex; align-items: center; gap: 10px; padding: 8px 4px; border-bottom: 1px solid var(--border-soft); }
.li-item:last-child { border-bottom: none; }
.li-item .li-text { flex: 1; }
.li-item.done .li-text { text-decoration: line-through; color: var(--text-faint); }
.cbx { width: 17px; height: 17px; border-radius: 5px; border: 1.5px solid var(--border); cursor: pointer; flex-shrink: 0; display: grid; place-items: center; color: transparent; }
.cbx.checked { background: var(--accent); border-color: var(--accent); color: #0b0c10; }
.li-item.compact { cursor: pointer; padding: 6px 4px; }
.li-item.compact:hover { background: var(--bg-elev-2); border-radius: 8px; }
.input.li-inline { flex: 1; padding: 4px 8px; font-size: inherit; }
.input.due-input { max-width: 140px; padding: 5px 8px; font-size: 12px; color: var(--text-dim); flex-shrink: 0; }
.filter-tabs { display: inline-flex; background: var(--bg-elev-2); border: 1px solid var(--border-soft); border-radius: 9px; padding: 2px; gap: 2px; }
.filter-tabs .ftab { background: none; border: none; color: var(--text-dim); font-size: 12px; padding: 4px 12px; border-radius: 7px; cursor: pointer; }
.filter-tabs .ftab:hover { color: var(--text); }
.filter-tabs .ftab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.empty-hint { color: var(--text-faint); font-size: 13px; padding: 16px 4px; text-align: center; font-style: italic; }
.flash { animation: flash 1.4s ease; }
@keyframes flash { 0%,100%{ box-shadow: 0 0 0 0 transparent;} 20%{ box-shadow: 0 0 0 3px var(--accent);} }

/* ===== Modal ===== */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 200;
  display: grid; place-items: center; animation: fade 0.12s ease;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); width: min(440px, 92vw); padding: 22px;
}
.modal h3 { margin: 0 0 8px; font-size: 17px; }
.modal p { margin: 0 0 18px; color: var(--text-dim); font-size: 13.5px; line-height: 1.5; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* ===== Dashboard tiles ===== */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.tile {
  background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 12px; padding: 16px;
  cursor: pointer; transition: border-color 0.12s, transform 0.12s; position: relative; overflow: hidden;
}
.tile:hover { border-color: var(--accent); transform: translateY(-2px); }
.tile .tile-icon { width: 36px; height: 36px; border-radius: 9px; background: var(--bg-elev-2); display: grid; place-items: center; color: var(--accent); margin-bottom: 11px; }
.tile .tile-name { font-weight: 600; font-size: 14.5px; }
.tile .tile-desc { color: var(--text-faint); font-size: 12px; margin-top: 3px; }
.tile .tile-stat { color: var(--accent-2); font-size: 12.5px; margin-top: 9px; font-weight: 600; }

/* ===== Canvas ===== */
.canvas-viewport { position: absolute; inset: 0; overflow: hidden; background:
  radial-gradient(circle at center, #14161d 0%, #0d0e13 100%); cursor: default; touch-action: none; }
.canvas-viewport.panning { cursor: grabbing; }
.canvas-viewport.space-pan, .canvas-viewport.tool-hand { cursor: grab; }
.canvas-viewport.tool-draw { cursor: crosshair; }
.marquee { position: absolute; display: none; border: 1px dashed var(--accent); background: rgba(109, 139, 255, 0.08); pointer-events: none; z-index: 40; }
.canvas-grid { position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 26px 26px; }
.canvas-world { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
.canvas-el { position: absolute; }
.canvas-el .el-body { width: 100%; height: 100%; }
.canvas-el.selected { outline: 1.5px solid var(--accent); outline-offset: 2px; }
.canvas-el .el-text {
  width: 100%; height: 100%; background: transparent; border: none; color: var(--text);
  font-size: 16px; line-height: 1.45; outline: none; resize: none; overflow: hidden; padding: 4px; font-family: inherit;
}
.canvas-el .el-frame {
  width: 100%; height: 100%; border: 1.5px solid var(--border); border-radius: 10px;
  background: rgba(109,139,255,0.04);
}
.canvas-el .el-frame-label { position: absolute; top: -22px; left: 2px; font-size: 12px; color: var(--text-dim); font-weight: 600; background: transparent; border: none; outline: none; }
.canvas-el .el-list, .canvas-el .el-table { width: 100%; height: 100%; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 8px; overflow: auto; }
.canvas-el .el-table table { width: 100%; border-collapse: collapse; }
.canvas-el .el-table td { border: 1px solid var(--border); padding: 4px 6px; min-width: 40px; }
.canvas-el .el-table td:focus { outline: 1px solid var(--accent); }
.canvas-el img.el-img { width: 100%; height: 100%; object-fit: contain; border-radius: 6px; pointer-events: none; }
.canvas-el .li-row { display: flex; align-items: center; gap: 7px; padding: 2px 0; }
.canvas-el .li-row input.li-edit { flex: 1; background: transparent; border: none; color: var(--text); outline: none; font-size: 13px; font-family: inherit; }
.resize-handle { position: absolute; width: 11px; height: 11px; background: var(--accent); border: 2px solid var(--bg); border-radius: 3px; right: -6px; bottom: -6px; cursor: nwse-resize; z-index: 5; }

/* canvas toolbar */
.canvas-toolbar {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%); z-index: 40;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); display: flex; gap: 2px; padding: 5px;
}
.ct-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; padding: 8px; border-radius: 8px; display: grid; place-items: center; position: relative; }
.ct-btn:hover { background: var(--bg-elev-2); color: var(--text); }
.ct-btn.active { background: var(--accent-soft); color: var(--accent); }
.ct-btn:disabled { opacity: 0.3; pointer-events: none; }
.ct-sep { width: 1px; background: var(--border); margin: 4px 3px; }
.ct-btn .ct-tip { position: absolute; top: 110%; left: 50%; transform: translateX(-50%); background: #000; color: #fff; font-size: 11px; padding: 3px 7px; border-radius: 5px; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.1s; }
.ct-btn:hover .ct-tip { opacity: 0.92; }

.canvas-zoom {
  position: absolute; bottom: 16px; right: 16px; z-index: 40; background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: 10px; display: flex; align-items: center; box-shadow: var(--shadow);
}
.canvas-zoom button { background: none; border: none; color: var(--text-dim); cursor: pointer; padding: 8px 11px; font-size: 15px; }
.canvas-zoom button:hover { color: var(--text); }
.canvas-zoom .zlevel { font-size: 12px; color: var(--text-dim); min-width: 46px; text-align: center; border-left: 1px solid var(--border); border-right: 1px solid var(--border); padding: 8px 4px; cursor: pointer; }
.canvas-hint { position: absolute; bottom: 16px; left: 16px; z-index: 30; color: var(--text-faint); font-size: 11.5px; background: rgba(0,0,0,0.3); padding: 6px 10px; border-radius: 7px; }

/* slash menu */
.slash-menu {
  position: absolute; z-index: 80; background: var(--bg-elev-2); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow); width: 230px; padding: 6px; max-height: 320px; overflow-y: auto;
}
.slash-cat { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-faint); padding: 7px 9px 4px; }
.slash-item { display: flex; align-items: center; gap: 10px; padding: 8px 9px; border-radius: 7px; cursor: pointer; }
.slash-item:hover, .slash-item.kbd-active { background: var(--accent-soft); }
.slash-item .si-icon { width: 28px; height: 28px; border-radius: 7px; background: var(--bg-elev); display: grid; place-items: center; color: var(--accent); flex-shrink: 0; }
.slash-item .si-name { font-size: 13px; }
.slash-item .si-desc { font-size: 11px; color: var(--text-faint); }

/* color picker row */
.color-row { display: flex; gap: 6px; align-items: center; }
.color-dot { width: 20px; height: 20px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; }
.color-dot.active { border-color: #fff; }

/* graph (skill tree / idea graph) */
.graph-wrap { position: relative; height: 560px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.graph-node {
  position: absolute; transform: translate(-50%, -50%); padding: 9px 13px; border-radius: 10px;
  background: var(--bg-elev-2); border: 1.5px solid var(--border); cursor: grab; user-select: none; font-size: 13px;
  white-space: nowrap; max-width: 180px; overflow: hidden; text-overflow: ellipsis;
}
.graph-node:hover { border-color: var(--accent); }
.graph-node.linking { border-color: var(--warn); }
.graph-node .gn-level { font-size: 10.5px; color: var(--text-faint); display: block; margin-top: 1px; }
.lvl-Beginner { border-left: 4px solid #6b7280; }
.lvl-Intermediate { border-left: 4px solid var(--accent); }
.lvl-Pro { border-left: 4px solid var(--warn); }
.lvl-Master { border-left: 4px solid var(--accent-2); }
.graph-svg { position: absolute; inset: 0; pointer-events: none; }
.graph-edge { stroke: var(--border); stroke-width: 1.5; }
.graph-toolbar { position: absolute; top: 10px; left: 10px; z-index: 5; display: flex; gap: 7px; }

/* charts */
.chart-svg { width: 100%; height: auto; display: block; }
.chart-legend { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 10px; font-size: 12px; color: var(--text-dim); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend-dot { width: 9px; height: 9px; border-radius: 50%; }
.kpi-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.kpi { background: var(--bg-elev-2); border: 1px solid var(--border-soft); border-radius: 10px; padding: 12px 16px; flex: 1; min-width: 130px; }
.kpi .kpi-label { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.4px; }
.kpi .kpi-val { font-size: 22px; font-weight: 700; margin-top: 4px; }
.kpi .kpi-val.pos { color: var(--accent-2); }
.kpi .kpi-val.neg { color: var(--danger); }

.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 300;
  background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text); padding: 11px 18px;
  border-radius: 10px; box-shadow: var(--shadow); font-size: 13px; animation: fade 0.15s ease;
}