/* ==========================================================================
   Interactive widgets
   ========================================================================== */
.widget { margin: 2em 0; padding: 0; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.widget-head { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 12px; padding: 16px 20px 0; }
.widget-intro { padding: 4px 20px 0; font-size: .95rem; max-width: none; }
.widget-intro > :first-child { margin-top: .4em; }
.widget-intro > :last-child { margin-bottom: 0; }
.widget-mount { padding: 14px 20px 18px; min-height: var(--wh, 120px); }
.widget-loading { display: grid; place-items: center; min-height: 160px; color: var(--ink-3); font-size: .9rem; }
.widget-caption { margin: 0; padding: 12px 20px 16px; border-top: 1px solid var(--line); background: var(--surface-2); font-size: .9rem; color: var(--ink-2); max-width: none; }
.widget-caption > :first-child { margin-top: 0; } .widget-caption > :last-child { margin-bottom: 0; }

/* layout helpers */
.w-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.w-grid2 { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.w-grid2.even { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.w-col { display: grid; gap: 12px; align-content: start; min-width: 0; }
.w-panel { padding: 12px 14px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); }
.w-panel-title { font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 8px; display: flex; align-items: center; gap: 6px; }
.w-note { font-size: .88rem; color: var(--ink-2); line-height: 1.55; margin: 0; }
.w-note strong { color: var(--ink); }
.w-canvas { display: block; border-radius: 12px; max-width: 100%; touch-action: none; margin: 0 auto; }
.w-canvas.framed { background: var(--surface-2); border: 1px solid var(--line); }
.w-center { display: flex; justify-content: center; }

/* controls */
.w-slider { display: grid; gap: 4px; min-width: 0; font-size: .82rem; }
.w-label { display: flex; justify-content: space-between; gap: 10px; color: var(--ink-2); font-weight: 600; }
.w-val { font-family: var(--mono); font-weight: 600; color: var(--ink); font-size: .8rem; }
.w-hint { font-size: .74rem; color: var(--ink-3); }
.w-slider input[type=range], .predict-slider input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 22px; background: transparent; cursor: pointer; margin: 0;
}
.w-slider input[type=range]::-webkit-slider-runnable-track, .predict-slider input[type=range]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 99px; background: linear-gradient(90deg, var(--mod) var(--p, 50%), var(--surface-3) var(--p, 50%));
}
.w-slider input[type=range]::-moz-range-track, .predict-slider input[type=range]::-moz-range-track { height: 6px; border-radius: 99px; background: var(--surface-3); }
.w-slider input[type=range]::-moz-range-progress { height: 6px; border-radius: 99px; background: var(--mod); }
.w-slider input[type=range]::-webkit-slider-thumb, .predict-slider input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; margin-top: -6px; border-radius: 50%; background: var(--surface); border: 2px solid var(--mod); box-shadow: var(--shadow-sm);
}
.w-slider input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--surface); border: 2px solid var(--mod); }
.w-seg { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 3px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--line); }
.w-seg-btn { border: 0; background: transparent; padding: 6px 12px; border-radius: 9px; font-size: .82rem; font-weight: 600; color: var(--ink-2); cursor: pointer; transition: all .15s; line-height: 1.3; }
.w-seg-btn:hover { color: var(--ink); }
.w-seg-btn.is-on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }
.w-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface); font-size: .84rem; font-weight: 650; cursor: pointer; color: var(--ink); transition: all .15s; }
.w-btn:hover { border-color: var(--ink-3); }
.w-btn.primary { background: var(--mod); border-color: var(--mod); color: #fff; }
.w-btn.primary:hover { filter: brightness(1.08); }
.w-btn:disabled { opacity: .5; cursor: default; }
.w-btn .ic { width: 15px; height: 15px; }

/* stats */
.w-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; }
.w-stat { padding: 9px 12px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.w-stat-k { font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.w-stat-v { font-size: 1.25rem; font-weight: 750; letter-spacing: -.01em; font-variant-numeric: tabular-nums; line-height: 1.2; }
.w-stat.good .w-stat-v { color: var(--green); }
.w-stat.bad .w-stat-v { color: var(--red); }
.w-stat.hero .w-stat-v { font-size: 1.8rem; }

/* legend */
.w-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .8rem; color: var(--ink-2); }
.w-legend-item { display: inline-flex; align-items: center; gap: 6px; }
.w-legend-item i { width: 14px; height: 10px; border-radius: 3px; display: inline-block; }

/* tags / callouts inside widgets */
.w-tag { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px; font-size: .72rem; font-weight: 700; background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--line); }
.w-tag.good { background: var(--green-soft); color: var(--green); border-color: transparent; }
.w-tag.bad { background: var(--red-soft); color: var(--red); border-color: transparent; }
.w-tag.info { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }
.w-msg { padding: 10px 14px; border-radius: 10px; font-size: .88rem; line-height: 1.5; background: var(--accent-soft); color: var(--ink); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); }
.w-msg.good { background: var(--green-soft); border-color: color-mix(in srgb, var(--green) 30%, transparent); }
.w-msg.warn { background: var(--yellow-soft); border-color: color-mix(in srgb, var(--yellow) 35%, transparent); }
.w-msg.bad { background: var(--red-soft); border-color: color-mix(in srgb, var(--red) 30%, transparent); }

/* tooltip for charts */
.w-rel { position: relative; }

/* ------------------------------------------------------------------ pipeline-flow */
.pf-wrap { display: grid; gap: 14px; }
.pf-svg { width: 100%; height: auto; display: block; }
.pf-stage { cursor: pointer; }
.pf-stage rect { transition: fill .2s, stroke .2s; }
.pf-stage:hover rect, .pf-stage.is-sel rect { stroke-width: 2.5; }
.pf-detail { min-height: 86px; }
.pf-detail h5 { margin: 0 0 4px; font-size: .98rem; }

/* ------------------------------------------------------------------ spiral lab */
.sl-models { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.sl-model { text-align: left; padding: 10px 12px; border-radius: 12px; border: 1.5px solid var(--line-2); background: var(--surface); cursor: pointer; transition: all .15s; display: grid; gap: 2px; }
.sl-model:hover { border-color: var(--ink-3); }
.sl-model.is-on { border-color: var(--mod); box-shadow: 0 0 0 3px color-mix(in srgb, var(--mod) 18%, transparent); }
.sl-model b { font-size: .86rem; }
.sl-model span { font-size: .74rem; color: var(--ink-3); line-height: 1.35; }
.sl-units { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 4px; }
.sl-units canvas { width: 100%; aspect-ratio: 1; border-radius: 6px; display: block; border: 1px solid var(--line); }
.sl-layer-label { font-size: .72rem; color: var(--ink-3); margin: 8px 0 4px; font-weight: 600; }

/* ------------------------------------------------------------------ pixel lab */
.px-grid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 2px; width: 100%; max-width: 260px; aspect-ratio: 1; padding: 4px; background: var(--line); border-radius: 10px; touch-action: none; user-select: none; }
.px-grid div { border-radius: 3px; }
.px-vector { display: grid; grid-template-columns: repeat(16, 1fr); gap: 2px; font-family: var(--mono); font-size: .66rem; }
.px-vector span { text-align: center; padding: 2px 0; border-radius: 3px; background: var(--surface); border: 1px solid var(--line); transition: background .25s; }
.px-vector span.changed { background: color-mix(in srgb, var(--c1) 30%, var(--surface)); border-color: var(--c1); }
.px-thumbs { display: flex; flex-wrap: wrap; gap: 6px; }
.px-thumbs button { padding: 0; border: 2px solid transparent; border-radius: 8px; background: none; cursor: pointer; line-height: 0; }
.px-thumbs button.is-on { border-color: var(--mod); }
.px-thumbs canvas { width: 40px; height: 40px; border-radius: 6px; }

/* ------------------------------------------------------------------ decision helper */
.dh-q { display: grid; gap: 6px; }
.dh-q > span { font-size: .84rem; font-weight: 650; color: var(--ink-2); }
.dh-verdict { padding: 16px 18px; border-radius: 14px; border: 1.5px solid var(--line-2); background: var(--surface); transition: all .25s; }
.dh-verdict h5 { margin: 0 0 4px; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; }
.dh-meter { height: 10px; border-radius: 99px; background: linear-gradient(90deg, var(--c1), var(--surface-3) 50%, var(--c0)); position: relative; margin: 10px 0 4px; }
.dh-meter i { position: absolute; top: 50%; width: 18px; height: 18px; border-radius: 50%; background: var(--surface); border: 3px solid var(--ink); transform: translate(-50%, -50%); transition: left .35s cubic-bezier(.3,1.4,.5,1); }
.dh-scale { display: flex; justify-content: space-between; font-size: .72rem; color: var(--ink-3); font-weight: 600; }

/* ------------------------------------------------------------------ bars */
.rb-wrap { display: grid; gap: 16px; }
.rb-metric h5 { margin: 0 0 8px; font-size: .86rem; display: flex; justify-content: space-between; gap: 10px; color: var(--ink-2); }
.rb-metric h5 span { font-weight: 500; color: var(--ink-3); font-size: .78rem; }
.rb-row { display: grid; grid-template-columns: 150px 1fr 70px; gap: 10px; align-items: center; margin: 6px 0; font-size: .86rem; }
.rb-track { height: 22px; border-radius: 0 6px 6px 0; background: var(--surface-2); position: relative; overflow: hidden; }
.rb-bar { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 0 5px 5px 0; width: 0; transition: width .9s cubic-bezier(.2,.8,.2,1); }
.rb-val { font-family: var(--mono); font-weight: 650; font-size: .82rem; text-align: right; }
.rb-row .win { font-size: .7rem; }

@media (max-width: 720px) {
  .widget-head { padding: 14px 16px 0; }
  .widget-mount { padding: 12px 14px 16px; }
  .widget-intro { padding: 4px 16px 0; }
  .widget-caption { padding: 12px 16px 14px; }
  .w-grid2, .w-grid2.even { grid-template-columns: 1fr; }
  .sl-models { grid-template-columns: 1fr; }
  .rb-row { grid-template-columns: 100px 1fr 58px; }
  .px-vector { grid-template-columns: repeat(8, 1fr); }
  .gi-text { min-height: 190px; }
  .nbs-cell { grid-template-columns: 64px minmax(0, 1fr); }
  .nbs-out { margin-left: 64px; }
}

/* ------------------------------------------------------------------ notebook-state */
.nbs-cells { display: grid; gap: 6px; }
.nbs-cell { display: grid; grid-template-columns: 74px minmax(0, 1fr); align-items: stretch; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-2); overflow: hidden; }
.nbs-cell.ran { border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.nbs-gutter { display: flex; align-items: center; gap: 4px; padding: 0 6px; border-right: 1px solid var(--line); background: var(--surface); }
.nbs-run { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line-2); background: var(--surface); color: var(--accent); cursor: pointer; }
.nbs-run:hover { border-color: var(--accent); }
.nbs-run .ic { width: 12px; height: 12px; }
.nbs-count { font-family: var(--mono); font-size: .74rem; color: var(--ink-3); white-space: pre; }
.nbs-code, .nbs-out, .nbs-vars { margin: 0; padding: 8px 10px; font-family: var(--mono); font-size: .8rem; line-height: 1.45; white-space: pre-wrap; overflow-x: auto; color: var(--ink); }
.nbs-out { margin-left: 74px; padding: 4px 10px; border-left: 3px solid var(--line-2); color: var(--ink-2); }
.nbs-out.err { color: var(--red); border-left-color: var(--red); }
.nbs-vars { padding: 0; background: none; }

/* ------------------------------------------------------------------ project-map */
.pm-tree { display: grid; gap: 2px; max-height: 470px; overflow-y: auto; padding-right: 2px; }
.pm-file { display: flex; align-items: center; justify-content: space-between; gap: 8px; width: 100%; text-align: left; padding: 6px 10px; border-radius: 8px; border: 1px solid transparent; background: transparent; cursor: pointer; color: var(--ink); font: inherit; }
.pm-file:hover { background: var(--surface-2); }
.pm-file.is-on { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }
.pm-file.ignored .pm-name { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--line-2); }
.pm-name { font-family: var(--mono); font-size: .78rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pm-dir { color: var(--ink-3); }
.pm-detail { display: grid; gap: 10px; align-content: start; }
.pm-title { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.pm-title code { font-size: .86rem; font-weight: 650; word-break: break-all; }
.pm-row { display: grid; gap: 2px; }
.pm-k { font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.pm-v { font-size: .88rem; line-height: 1.5; color: var(--ink); }
.pm-links { display: grid; gap: 4px; padding-top: 8px; border-top: 1px solid var(--line); }
.pm-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }
.pm-chip { font-family: var(--mono); font-size: .74rem; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--surface); color: var(--ink); cursor: pointer; }
.pm-chip:hover { border-color: var(--accent); color: var(--accent-ink); }

/* ------------------------------------------------------------------ gitignore-lab */
.gi-presets .w-btn code { font-size: .78rem; }
.gi-text { width: 100%; min-height: 300px; resize: vertical; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--surface-2); color: var(--ink); font-family: var(--mono); font-size: .8rem; line-height: 1.5; }
.gi-text:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); outline-offset: 1px; }
.gi-list { display: grid; gap: 2px; max-height: 300px; overflow-y: auto; align-content: start; }
.gi-file { display: grid; grid-template-columns: 64px minmax(0, 1fr); align-items: center; column-gap: 8px; padding: 3px 8px; border-radius: 8px; border: 1px solid transparent; }
.gi-file .w-tag { justify-content: center; }
.gi-file.bad { background: var(--red-soft); border-color: color-mix(in srgb, var(--red) 30%, transparent); }
.gi-file.warn { background: var(--yellow-soft); border-color: color-mix(in srgb, var(--yellow) 35%, transparent); }
.gi-path { font-size: .77rem; overflow-wrap: anywhere; }
.gi-path.off { color: var(--ink-3); }
.gi-why { grid-column: 2; font-family: var(--mono); font-size: .68rem; color: var(--ink-3); white-space: pre-wrap; overflow-wrap: anywhere; }

/* ------------------------------------------------------------------ lr-schedules */
.lrs-code { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; font-size: .74rem; }

/* ------------------------------------------------------------------ dropout-lab */
.do-outs { display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: .8rem; }
.do-outs code { font-family: var(--mono); }

/* ------------------------------------------------------------------ memory-planner */
.mp-field { display: grid; gap: 6px; min-width: 0; }
.mp-line { font-size: .85rem; color: var(--ink-2); line-height: 1.5; }
.mp-line strong { color: var(--ink); }