/* ==========================================================================
   Nodebench · Components (vanilla CSS, BEM-ish .nb-*)
   All components read from tokens.css. No hard-coded colors.
   ========================================================================== */

/* ---------- Buttons ------------------------------------------------------ */
.nb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 32px; padding: 0 12px;
  border-radius: var(--nb-r-md);
  font-family: var(--nb-font-sans);
  font-size: var(--nb-fs-13); font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: background var(--nb-dur-1) var(--nb-ease),
              border-color var(--nb-dur-1) var(--nb-ease),
              transform var(--nb-dur-1) var(--nb-ease);
}
.nb-btn:active { transform: translateY(0.5px); }

.nb-btn--primary  { background: var(--nb-amber); color: #15171B; font-weight: 600; }
.nb-btn--primary:hover  { background: var(--nb-amber-soft); }
.nb-btn--primary:active { background: var(--nb-amber-deep); }

.nb-btn--ghost    { color: var(--nb-text-dim); border-color: var(--nb-line); }
.nb-btn--ghost:hover { background: var(--nb-bg-raised); border-color: var(--nb-fog); color: var(--nb-text); }

.nb-btn--quiet    { color: var(--nb-fog); }
.nb-btn--quiet:hover { background: var(--nb-bg-raised); color: var(--nb-text); }

.nb-btn--sm { height: 28px; padding: 0 10px; font-size: var(--nb-fs-12); }
.nb-btn--lg { height: 40px; padding: 0 16px; font-size: var(--nb-fs-14); }

/* ---------- Field / Input ----------------------------------------------- */
.nb-field { display: flex; flex-direction: column; gap: 6px; }
.nb-field__label {
  display: flex; justify-content: space-between;
  font-family: var(--nb-font-mono);
  font-size: var(--nb-fs-11); color: var(--nb-fog);
  letter-spacing: var(--nb-tracking-mono);
}
.nb-input {
  height: 40px; padding: 0 14px;
  background: var(--nb-bg-input);
  border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-md);
  color: var(--nb-text);
  font-size: var(--nb-fs-14);
  transition: border-color var(--nb-dur-1) var(--nb-ease),
              box-shadow var(--nb-dur-1) var(--nb-ease);
}
.nb-input:hover { border-color: var(--nb-fog); }
.nb-input:focus { border-color: var(--nb-amber); box-shadow: 0 0 0 3px var(--nb-amber-halo); outline: none; }
.nb-input::placeholder { color: var(--nb-mute); }

/* ---------- Kbd ---------------------------------------------------------- */
.nb-kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; padding: 2px 6px;
  background: var(--nb-bg-input); border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-sm);
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-10); color: var(--nb-fog);
}

/* ---------- Pill --------------------------------------------------------- */
.nb-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px;
  background: var(--nb-bg-raised); border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-pill);
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-11); color: var(--nb-text-dim);
}
.nb-pill--amber { background: var(--nb-amber-wash); border-color: var(--nb-amber); color: var(--nb-amber-soft); }
.nb-pill--green { background: #1f2c1c; border-color: transparent; color: #9CC392; }
.nb-pill--blue  { background: #1c2738; border-color: transparent; color: #9DB4D9; }
.nb-pill--mute  { background: var(--nb-bg-input); border-color: transparent; color: var(--nb-fog); }

.nb-pill__dot { width: 5px; height: 5px; border-radius: 3px; background: currentColor; }

/* ---------- Avatar ------------------------------------------------------- */
.nb-avatar {
  width: 22px; height: 22px; border-radius: var(--nb-r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 600;
  background: var(--nb-line); color: var(--nb-text-dim);
}
.nb-avatar--amber { background: #3a2918; color: var(--nb-amber-soft); }
.nb-avatar--blue  { background: #1c2738; color: #9DB4D9; }
.nb-avatar--green { background: #1f2c1c; color: #9CC392; }

/* ---------- Sidebar ------------------------------------------------------ */
.nb-sidebar {
  flex: 0 0 var(--nb-sidebar-w);
  background: var(--nb-bg);
  border-right: 1px solid var(--nb-line);
  display: flex; flex-direction: column;
}
.nb-sidebar__workspace {
  display: flex; align-items: center; gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--nb-line-soft);
}
.nb-sidebar__workspace-name { font-size: var(--nb-fs-13); font-weight: 600; letter-spacing: -0.01em; }
.nb-sidebar__search-wrap { padding: 10px 12px; }
.nb-sidebar__search {
  display: flex; align-items: center; gap: 8px;
  height: 30px; padding: 0 10px;
  background: var(--nb-bg-raised);
  border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-md);
  color: var(--nb-mute); font-size: var(--nb-fs-12);
  cursor: text;
}
.nb-sidebar__search:hover { border-color: var(--nb-fog); }

.nb-sidebar__group { padding: 12px 6px 4px; }
.nb-sidebar__group-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0 8px 6px;
}
.nb-sidebar__group-title {
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-10);
  letter-spacing: var(--nb-tracking-caption); text-transform: uppercase;
  color: var(--nb-mute);
}

.nb-sidebar__item {
  display: flex; align-items: center; gap: 10px;
  padding: 5px 10px; margin: 0 2px;
  border-radius: var(--nb-r-sm);
  font-size: var(--nb-fs-13);
  color: var(--nb-text-dim);
  cursor: pointer;
  transition: background var(--nb-dur-1) var(--nb-ease), color var(--nb-dur-1) var(--nb-ease);
}
.nb-sidebar__item:hover { background: var(--nb-bg-raised); color: var(--nb-text); }
.nb-sidebar__item--active { background: var(--nb-bg-raised); color: var(--nb-text); font-weight: 500; }
.nb-sidebar__item--muted { color: var(--nb-mute); }
.nb-sidebar__item-dot { width: 7px; height: 7px; border-radius: 4px; background: currentColor; flex: 0 0 7px; }
.nb-sidebar__item-count { margin-left: auto; font-family: var(--nb-font-mono); font-size: var(--nb-fs-11); color: var(--nb-mute); }

.nb-sidebar__user {
  margin-top: auto;
  padding: 10px 12px 14px;
  border-top: 1px solid var(--nb-line-soft);
  display: flex; align-items: center; gap: 10px;
  color: var(--nb-text-dim);
}

/* ---------- Topbar ------------------------------------------------------- */
.nb-topbar {
  height: var(--nb-topbar-h);
  padding: 0 16px;
  border-bottom: 1px solid var(--nb-line);
  display: flex; align-items: center; gap: 14px;
}
.nb-crumbs {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-11); color: var(--nb-fog);
}
.nb-crumbs__sep { color: var(--nb-mute); }
.nb-crumbs__current { color: var(--nb-text); }

/* ---------- Node (canvas card) ------------------------------------------ */
.nb-node {
  position: absolute;
  width: var(--nb-node-w); min-height: var(--nb-node-h);
  background: var(--nb-bg-raised);
  border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-lg);
  box-shadow: var(--nb-shadow-1);
  display: flex; flex-direction: column;
  transition: border-color var(--nb-dur-1) var(--nb-ease),
              box-shadow var(--nb-dur-2) var(--nb-ease),
              transform var(--nb-dur-1) var(--nb-ease);
  user-select: none;
}
.nb-node:hover { border-color: var(--nb-fog); box-shadow: var(--nb-shadow-2); }
.nb-node--selected,
.nb-node--running { border-color: var(--nb-amber); box-shadow: var(--nb-shadow-selected); }
.nb-node--error   { border-color: var(--nb-red);   box-shadow: var(--nb-shadow-error); }
.nb-node--dragging { transform: scale(1.02); box-shadow: var(--nb-shadow-3); cursor: grabbing; }

.nb-node__head {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--nb-line-soft);
}
.nb-node__icon {
  width: 20px; height: 20px; border-radius: var(--nb-r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--nb-bg-input); color: var(--nb-text-dim);
}
.nb-node--amber .nb-node__icon { background: var(--nb-amber-wash); color: var(--nb-amber); }
.nb-node__title { flex: 1; font-size: var(--nb-fs-13); font-weight: 500; letter-spacing: -0.01em; }
.nb-node__body  { padding: 10px 12px; font-family: var(--nb-font-mono); font-size: var(--nb-fs-11); color: var(--nb-fog); }
.nb-node__status {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 6px;
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-10); color: var(--nb-amber-soft);
}
.nb-node__status-dot { width: 6px; height: 6px; border-radius: 3px; background: var(--nb-amber); }
@keyframes nb-pulse { 0%, 100% { opacity: 1 } 50% { opacity: 0.3 } }
.nb-node--running .nb-node__status-dot { animation: nb-pulse 1.4s var(--nb-ease) infinite; }

/* ---------- Port --------------------------------------------------------- */
.nb-port {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  width: 10px; height: 10px; border-radius: 5px;
  background: var(--nb-bg);
  border: 1.5px solid var(--nb-fog);
  cursor: crosshair;
  transition: transform var(--nb-dur-1) var(--nb-ease),
              border-color var(--nb-dur-1) var(--nb-ease),
              background var(--nb-dur-1) var(--nb-ease);
  z-index: 2;
}
/* Invisible bigger hit-area so users don't have to pixel-hunt */
.nb-port::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
}
.nb-port--l { left: -5px; }
.nb-port--r { right: -5px; }
.nb-port:hover,
.nb-port--active {
  transform: translateY(-50%) scale(1.4);
  border-color: var(--nb-amber);
  background: var(--nb-amber);
  box-shadow: 0 0 0 3px var(--nb-amber-halo);
}

/* ---------- Table -------------------------------------------------------- */
.nb-table { display: flex; flex-direction: column; height: 100%; font-size: var(--nb-fs-13); }
.nb-table__head  { display: flex; background: var(--nb-bg-panel); border-bottom: 1px solid var(--nb-line); }

/* ---------- Table · Iteration 1 enhancements ---------------------------- */
/* Resizable columns: handle on the right edge of <th> */
.nb-th { position: relative; }
.nb-th__resize {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 6px; cursor: col-resize; z-index: 2;
  background: transparent;
  transition: background var(--nb-dur-1) var(--nb-ease);
}
.nb-th__resize:hover,
.nb-th__resize--active { background: var(--nb-amber); }

/* Column drag (reordering) */
.nb-th--dragging { opacity: 0.4; }
.nb-th--drop-before::before,
.nb-th--drop-after::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 2px;
  background: var(--nb-amber); z-index: 3;
}
.nb-th--drop-before::before { left: -1px; }
.nb-th--drop-after::after { right: -1px; }

/* Sort indicator on header */
.nb-th__sort {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--nb-mute); font-family: var(--nb-font-mono); font-size: 9px;
}
.nb-th__sort--active { color: var(--nb-amber); }

/* Context menu */
.nb-ctxmenu {
  position: fixed; z-index: 200;
  background: var(--nb-bg-raised); border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-md); box-shadow: var(--nb-shadow-3);
  padding: 4px; min-width: 200px;
  display: none;
  font-size: 13px;
}
.nb-ctxmenu[data-open="true"] { display: block; }
.nb-ctxmenu__item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 12px; border-radius: var(--nb-r-sm);
  cursor: pointer; color: var(--nb-text);
  transition: background var(--nb-dur-1);
}
.nb-ctxmenu__item:hover { background: var(--nb-bg-input); }
.nb-ctxmenu__item--danger { color: var(--nb-red); }
.nb-ctxmenu__item--disabled { opacity: 0.4; cursor: not-allowed; }
.nb-ctxmenu__item--disabled:hover { background: transparent; }
.nb-ctxmenu__sep { height: 1px; background: var(--nb-line-soft); margin: 4px 6px; }
.nb-ctxmenu__shortcut {
  margin-left: auto; font-family: var(--nb-font-mono); font-size: 10px;
  color: var(--nb-mute); letter-spacing: 0.05em;
}

/* Cell selection (active focused cell) */
.nb-td--focused {
  outline: 2px solid var(--nb-amber); outline-offset: -2px;
  background: var(--nb-amber-wash);
}

/* Table title editable */
.nb-table-title {
  font-size: 14px; font-weight: 500;
  padding: 4px 8px; border-radius: var(--nb-r-sm);
  cursor: text;
  transition: background var(--nb-dur-1);
}
.nb-table-title:hover { background: var(--nb-bg-input); }
.nb-table-title-input {
  font: inherit; padding: 4px 8px; border-radius: var(--nb-r-sm);
  background: var(--nb-bg-input); border: 1px solid var(--nb-amber);
  color: var(--nb-text); outline: none; min-width: 200px;
}

/* Row drag-handle */
.nb-row-handle {
  cursor: grab; color: var(--nb-mute); font-size: 12px;
  user-select: none; padding: 0 4px;
  opacity: 0; transition: opacity var(--nb-dur-1);
}
.nb-tr:hover .nb-row-handle { opacity: 0.6; }
.nb-row-handle:hover { opacity: 1 !important; color: var(--nb-amber); }
.nb-tr--dragging { opacity: 0.3; }
.nb-tr--drop-before { box-shadow: 0 -2px 0 0 var(--nb-amber) inset; }
.nb-tr--drop-after  { box-shadow: 0 2px 0 0 var(--nb-amber) inset; }

/* Sidebar table item with icons */
.nb-sidebar__item--table,
.nb-sidebar__item--project { position: relative; }
.nb-sidebar__item-actions {
  display: none; gap: 2px;
}
.nb-sidebar__item--table:hover .nb-sidebar__item-actions,
.nb-sidebar__item--project:hover .nb-sidebar__item-actions { display: inline-flex; }
.nb-sidebar__item--table:hover [data-default-count],
.nb-sidebar__item--project:hover [data-default-count] { display: none; }
.nb-sidebar__item-action {
  width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 3px; cursor: pointer; color: var(--nb-mute);
}
.nb-sidebar__item-action:hover { background: var(--nb-bg-input); color: var(--nb-text); }
.nb-sidebar__item-action--danger:hover { background: rgba(217,97,74,0.15); color: var(--nb-red); }
.nb-table__body  { flex: 1; overflow: auto; }
.nb-table__foot  {
  border-top: 1px solid var(--nb-line);
  padding: 8px 16px;
  background: var(--nb-bg-panel);
  display: flex; gap: 24px;
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-11); color: var(--nb-mute);
}

.nb-th {
  padding: 10px 14px; border-right: 1px solid var(--nb-line-soft);
  display: flex; align-items: center; gap: 8px;
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-11);
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--nb-fog);
  position: relative;
}
.nb-th__resize {
  position: absolute; right: -2px; top: 0; bottom: 0; width: 4px;
  cursor: col-resize; user-select: none;
}
.nb-th__resize:hover { background: var(--nb-amber); }

.nb-tr {
  display: flex;
  border-bottom: 1px solid var(--nb-line-soft);
  min-height: 38px;
  transition: background var(--nb-dur-1) var(--nb-ease);
}
.nb-tr:hover { background: color-mix(in srgb, var(--nb-amber) 3%, transparent); }
.nb-tr--selected { background: color-mix(in srgb, var(--nb-amber) 4%, transparent); }

.nb-td {
  padding: 10px 14px;
  border-right: 1px solid var(--nb-line-soft);
  display: flex; align-items: center;
  color: var(--nb-text-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nb-td--last { border-right: none; }
.nb-td[contenteditable="true"] { outline: 2px solid var(--nb-amber); outline-offset: -2px; background: var(--nb-bg-input); color: var(--nb-text); }

.nb-checkbox {
  width: 14px; height: 14px; border-radius: var(--nb-r-xs);
  border: 1px solid var(--nb-line);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.nb-checkbox--checked { background: var(--nb-amber); border-color: var(--nb-amber); }

/* ---------- Canvas wrappers --------------------------------------------- */
.nb-canvas {
  position: relative; flex: 1; overflow: hidden;
  background: var(--nb-bg-panel);
  background-image: radial-gradient(circle, var(--nb-line) 0.6px, transparent 0.6px);
  background-size: 24px 24px;
  touch-action: none;
}
.nb-canvas__inner { position: absolute; inset: 0; transform-origin: 0 0; }
.nb-canvas__edges { position: absolute; inset: 0; pointer-events: none; overflow: visible; }

/* Animated flow particle */
@keyframes nb-flow { to { stroke-dashoffset: -24; } }
.nb-edge          { fill: none; stroke: var(--nb-line);  stroke-width: 1.2; opacity: 0.7; }
.nb-edge--active  { stroke: var(--nb-amber); stroke-width: 1.6; opacity: 0.95;
  stroke-dasharray: 6 18; animation: nb-flow var(--nb-dur-flow) linear infinite; }

/* Minimap */
.nb-minimap {
  width: 120px; height: 76px;
  background: var(--nb-bg-raised);
  border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-md);
  position: relative; overflow: hidden;
}
.nb-minimap__node { position: absolute; width: 18px; height: 7px; border-radius: 1.5px; background: var(--nb-line); }
.nb-minimap__node--active { background: var(--nb-amber); }
.nb-minimap__vp { position: absolute; border: 1px solid var(--nb-amber); opacity: 0.5; border-radius: 2px; }

/* Zoom control */
.nb-zoom {
  display: flex;
  border: 1px solid var(--nb-line);
  border-radius: var(--nb-r-md);
  overflow: hidden;
  background: var(--nb-bg-raised);
}
.nb-zoom button {
  padding: 6px 10px;
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-11);
  color: var(--nb-text-dim);
  border-right: 1px solid var(--nb-line);
}
.nb-zoom button:last-child { border-right: none; }
.nb-zoom button:hover { background: var(--nb-bg-input); color: var(--nb-text); }

/* ---------- Details panel ----------------------------------------------- */
.nb-details { flex: 0 0 var(--nb-details-w); background: var(--nb-bg); border-left: 1px solid var(--nb-line); display: flex; flex-direction: column; }
.nb-details__head { padding: 16px 18px 14px; border-bottom: 1px solid var(--nb-line-soft); }
.nb-details__tabs { display: flex; gap: 6px; margin-top: 12px; }
.nb-details__tab {
  padding: 4px 9px;
  font-family: var(--nb-font-mono); font-size: var(--nb-fs-11);
  color: var(--nb-fog); border: 1px solid transparent; border-radius: var(--nb-r-sm);
  cursor: pointer;
}
.nb-details__tab--active { background: var(--nb-bg-raised); border-color: var(--nb-line); color: var(--nb-text); }
.nb-details__body { padding: 16px 18px; flex: 1; display: flex; flex-direction: column; gap: 18px; overflow: auto; }
.nb-details__foot { padding: 12px 18px; border-top: 1px solid var(--nb-line-soft); display: flex; gap: 8px; }

/* Command palette (⌘K) */
.nb-cmdk-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: none; align-items: flex-start; justify-content: center;
  padding-top: 120px; z-index: var(--nb-z-modal);
  animation: nb-fade-in var(--nb-dur-2) var(--nb-ease);
}
.nb-cmdk-backdrop[data-open="true"] { display: flex; }
@keyframes nb-fade-in { from { opacity: 0 } to { opacity: 1 } }
.nb-cmdk {
  width: 560px; background: var(--nb-bg-raised);
  border: 1px solid var(--nb-line); border-radius: var(--nb-r-lg);
  box-shadow: var(--nb-shadow-3);
  overflow: hidden;
}
.nb-cmdk__input { width: 100%; height: 48px; padding: 0 18px; border-bottom: 1px solid var(--nb-line-soft); font-size: var(--nb-fs-14); color: var(--nb-text); }
.nb-cmdk__list { max-height: 360px; overflow: auto; }
.nb-cmdk__item { display: flex; align-items: center; gap: 10px; padding: 10px 18px; cursor: pointer; }
.nb-cmdk__item:hover, .nb-cmdk__item[aria-selected="true"] { background: var(--nb-bg-input); }