/* project.css — Bayris Project workspace, ported from the on-prem UnifiedSimServer
   module CSS (Layout / Projects / ProjectDetail / MoleculeEditor / SimulationView)
   onto the AWS theme tokens. Class prefix `pw-`. The workspace REPLACES the normal
   page: a fixed 3-panel shell (collapsible Toolbox | center | collapsible Inspector). */

/* ── shell layout ── */
.pw-layout { display: flex; min-height: 100vh; background: var(--bg-surface, var(--bg-white)); }
.pw-sidebar { width: 232px; flex-shrink: 0; background: var(--bg-white); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; transition: width .2s ease; }
.pw-layout.pw-collapsed .pw-sidebar { width: 56px; }
.pw-sb-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 12px; border-bottom: 1px solid var(--border); min-height: 56px; box-sizing: border-box; }
.pw-logo { cursor: pointer; display: flex; align-items: center; color: var(--text-heading); overflow: hidden; }
.pw-collapse { border: none; background: none; color: var(--text-muted); cursor: pointer; padding: 4px; border-radius: var(--radius); display: flex; }
.pw-collapse:hover { background: var(--bg-hover); color: var(--text-primary); }

.pw-railtabs { display: flex; gap: 2px; padding: 6px 8px 0; }
.pw-railtab { flex: 1; padding: 7px 6px; background: none; border: none; border-bottom: 2px solid transparent; color: var(--text-secondary); font: inherit; font-size: 12px; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pw-railtab:hover { color: var(--text-primary); }
.pw-railtab-active { color: var(--btn-blue); border-bottom-color: var(--btn-blue); font-weight: 600; }

.pw-nav { flex: 1; overflow-y: auto; padding: 8px; min-height: 0; }
.pw-navsec { display: flex; flex-direction: column; gap: 2px; }
.pw-navdiv { height: 1px; background: var(--border); margin: 8px 4px; }
.pw-navheading { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); padding: 6px 8px 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-navitem { display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px; border: none; background: none; border-radius: var(--radius); color: var(--text-primary); font: inherit; font-size: 13px; cursor: pointer; text-align: left; }
.pw-navitem:hover { background: var(--bg-hover); }
.pw-navactive { background: var(--focus-ring); color: var(--btn-blue); font-weight: 600; }
.pw-navitem svg { flex-shrink: 0; }
.pw-navitem span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-navrow { display: flex; align-items: center; }
.pw-navrow .pw-navitem { flex: 1; min-width: 0; }
.pw-navdel { border: none; background: none; color: var(--text-muted); cursor: pointer; padding: 6px; border-radius: var(--radius); opacity: 0; display: flex; }
.pw-navrow:hover .pw-navdel { opacity: 1; }
.pw-navdel:hover { color: var(--error-red); }
/* Visibility toggle: always visible when a model is hidden (eye-off), else on hover. */
.pw-navvis { border: none; background: none; color: var(--text-muted); cursor: pointer; padding: 6px; border-radius: var(--radius); opacity: 0; display: flex; }
.pw-navrow:hover .pw-navvis { opacity: 1; }
.pw-navvis-off { opacity: 1; color: var(--btn-blue); }
.pw-navvis:hover { color: var(--text-primary); }
.pw-navempty { font-size: 12px; color: var(--text-muted); padding: 8px; }
.pw-layout.pw-collapsed .pw-navitem span, .pw-layout.pw-collapsed .pw-navheading { display: none; }

.pw-sb-footer { display: flex; align-items: center; gap: 6px; padding: 10px 12px; border-top: 1px solid var(--border); }
.pw-userbtn { flex: 1; display: flex; align-items: center; gap: 8px; border: none; background: none; cursor: pointer; padding: 4px; border-radius: var(--radius); min-width: 0; }
.pw-userbtn:hover { background: var(--bg-hover); }
.pw-user-av { width: 28px; height: 28px; flex-shrink: 0; border-radius: 50%; background: var(--btn-blue); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.pw-user-name { font-size: 13px; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-logout { border: none; background: none; color: var(--text-muted); cursor: pointer; padding: 6px; border-radius: var(--radius); display: flex; }
.pw-logout:hover { color: var(--text-primary); background: var(--bg-hover); }
.pw-layout.pw-collapsed .pw-user-name { display: none; }

/* ── center ── */
.pw-center { flex: 1; min-width: 0; display: flex; flex-direction: column; min-height: 100vh; }
.pw-topbar { display: flex; align-items: center; padding: 12px 22px; border-bottom: 1px solid var(--border); min-height: 52px; box-sizing: border-box; }
.pw-crumbs { font-size: 13px; color: var(--text-muted); }
.pw-crumb-sep { margin: 0 6px; color: var(--text-tertiary); }
.pw-crumb-item, .pw-crumb-btn { color: var(--btn-blue); background: none; border: none; padding: 0; font: inherit; cursor: pointer; }
.pw-crumb-btn:hover { text-decoration: underline; }
.pw-crumb-cur { color: var(--text-secondary); font-weight: 600; }
.pw-content { flex: 1; min-height: 0; display: flex; flex-direction: column; padding: 18px 22px; }

/* ── inspector (far right) ── */
.pw-inspector-panel { flex-shrink: 0; display: flex; flex-direction: column; align-self: stretch; background: var(--bg-white); border-left: 1px solid var(--border); transition: width .2s ease; overflow: hidden; }
.pw-insp-open { width: 320px; }
.pw-insp-collapsed { width: 40px; }
.pw-insp-hidden { width: 0; border-left: none; }
.pw-insp-header { display: flex; align-items: center; justify-content: space-between; padding: 12px; border-bottom: 1px solid var(--border); min-height: 48px; box-sizing: border-box; }
.pw-insp-title { font-size: 13px; font-weight: 700; color: var(--text-heading); }
.pw-insp-toggle, .pw-insp-expand { border: none; background: none; color: var(--text-muted); cursor: pointer; display: flex; align-items: center; gap: 6px; padding: 4px; border-radius: var(--radius); }
.pw-insp-toggle:hover, .pw-insp-expand:hover { color: var(--text-primary); background: var(--bg-hover); }
.pw-insp-collapsed .pw-insp-header { flex-direction: column; padding: 12px 4px; }
.pw-insp-expand { writing-mode: vertical-rl; font-size: 12px; }
.pw-insp-body { flex: 1; overflow-y: auto; min-height: 0; }
.pw-insp-content { display: flex; flex-direction: column; gap: 6px; padding: 12px; }

/* ── shared: buttons / inputs / fields / badges ── */
.pw-btn { font: inherit; font-size: 13px; padding: 8px 14px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-light); color: var(--text-primary); cursor: pointer; }
.pw-btn:hover:not(:disabled) { background: var(--border); }
.pw-btn:disabled { opacity: .5; cursor: not-allowed; }
.pw-btn-primary { background: var(--btn-blue); color: #fff; border-color: var(--btn-blue); }
.pw-btn-primary:hover:not(:disabled) { background: var(--btn-blue-hover); }
.pw-btn-ghost { background: transparent; }
.pw-btn-sm { padding: 5px 11px; font-size: 12px; }
.pw-input { width: 100%; padding: 9px 11px; font-size: 14px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-white); color: var(--text-primary); box-sizing: border-box; }
.pw-input:focus { outline: none; border-color: var(--btn-blue); box-shadow: 0 0 0 3px var(--focus-ring); }
.pw-input-sm { padding: 6px 8px; font-size: 12px; margin-bottom: 6px; }
.pw-field { display: block; margin-bottom: 14px; }
.pw-field-label { display: block; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin: 6px 0 5px; }
.pw-muted { font-size: 12px; color: var(--text-muted); }
.pw-badge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; text-transform: capitalize; }
.pw-badge-private { background: var(--bg-light); color: var(--text-secondary); }
.pw-badge-organization { background: color-mix(in srgb, var(--orange) 18%, transparent); color: var(--orange); }
.pw-badge-public { background: color-mix(in srgb, var(--success-green) 18%, transparent); color: var(--success-green); }
.pw-state { padding: 28px 16px; text-align: center; color: var(--text-secondary); font-size: 14px; }
.pw-state-big { font-size: 16px; font-weight: 700; color: var(--text-heading); margin-bottom: 6px; }
.pw-empty { padding: 40px; text-align: center; color: var(--text-muted); }

/* ── Projects list page ── */
.pw-page { max-width: 1000px; }
.pw-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.pw-title { font-size: 24px; font-weight: 800; color: var(--text-heading); margin: 0; }
.pw-subtitle { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.pw-proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; }
.pw-proj-card { display: flex; flex-direction: column; gap: 10px; padding: 16px; cursor: pointer; background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); transition: transform .15s, box-shadow .15s, border-color .15s; }
.pw-proj-card:hover, .pw-proj-card:focus-visible { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--btn-blue); outline: none; }
.pw-proj-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.pw-proj-card-name { font-weight: 700; font-size: 16px; color: var(--text-heading); }
.pw-proj-card-desc { font-size: 13px; color: var(--text-secondary); min-height: 18px; }
.pw-proj-meta { display: flex; flex-direction: column; gap: 3px; border-top: 1px solid var(--border); padding-top: 10px; }
.pw-proj-meta-row { display: flex; justify-content: space-between; font-size: 12px; }
.pw-proj-meta-k { color: var(--text-muted); }
.pw-proj-meta-v { color: var(--text-primary); font-weight: 600; }
.pw-proj-card-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ── project overview ── */
.pw-project-view { display: flex; flex-direction: column; gap: 16px; flex: 1; min-height: 0; }
.pw-project-heading { display: flex; align-items: baseline; gap: 12px; }
.pw-project-eyebrow { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--text-tertiary); }
.pw-project-name { font-size: 22px; font-weight: 800; color: var(--text-heading); margin: 0; }
.pw-project-count { font-size: 13px; color: var(--text-muted); }
.pw-project-heading .pw-btn-primary { margin-left: auto; }
.pw-item-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.pw-item-card { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 14px; cursor: pointer; background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-md); transition: transform .15s, box-shadow .15s, border-color .15s; }
.pw-item-card:hover, .pw-item-card:focus-visible { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--btn-blue); outline: none; }
.pw-badge-3d { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--btn-blue) 16%, transparent); color: var(--btn-blue); }
.pw-badge-mesh { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--orange) 16%, transparent); color: var(--orange); }
.pw-item-card-name { font-weight: 600; font-size: 14px; color: var(--text-heading); }
.pw-item-card-meta { font-size: 12px; color: var(--text-tertiary); }
.pw-item-del { position: absolute; top: 8px; right: 8px; border: none; background: none; color: var(--text-muted); cursor: pointer; font-size: 13px; opacity: 0; transition: opacity .12s; }
.pw-item-card:hover .pw-item-del, .pw-item-card:focus-within .pw-item-del { opacity: 1; }
.pw-item-del:hover { color: var(--error-red); }

/* ── molecule editor / item view ── */
.pw-editor { display: flex; flex-direction: column; gap: 12px; flex: 1; min-height: 0; }
.pw-itembar { display: flex; align-items: center; gap: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.pw-type-label { font-size: 16px; font-weight: 700; color: var(--text-heading); }
.pw-viewtabs { display: flex; gap: 4px; margin: 0 auto; background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius); padding: 3px; }
.pw-viewtab { font: inherit; font-size: 13px; padding: 5px 14px; border: none; border-radius: var(--radius); background: transparent; color: var(--text-secondary); cursor: pointer; }
.pw-viewtab:hover { color: var(--text-primary); }
.pw-viewtab-active { background: var(--bg-white); color: var(--text-primary); font-weight: 600; box-shadow: var(--shadow-sm); }
.pw-itembar-right { display: flex; align-items: center; gap: 6px; }
.pw-editor-main { flex: 1; min-height: 0; display: flex; flex-direction: column; }

/* Configure Structure rail panel */
.pw-railpanel-host { display: flex; flex-direction: column; }
.pw-railpanel { display: flex; flex-direction: column; gap: 10px; padding: 4px; }
.pw-section-head { display: flex; align-items: center; justify-content: space-between; }
.pw-section-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); }
.pw-add-actions { display: flex; gap: 6px; margin-top: 4px; }
.pw-sub-list { display: flex; flex-direction: column; gap: 4px; }
.pw-sub-item { display: flex; align-items: center; gap: 8px; padding: 7px 8px; border-radius: var(--radius); cursor: pointer; }
.pw-sub-item:hover { background: var(--bg-hover); }
.pw-sub-item-active { background: var(--focus-ring); }
.pw-sub-check { flex-shrink: 0; cursor: pointer; }
.pw-sub-name { flex: 1; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-sub-fmt { font-size: 11px; color: var(--text-tertiary); }
.pw-sub-del { border: none; background: none; color: var(--text-muted); cursor: pointer; padding: 2px; display: flex; opacity: 0; }
.pw-sub-item:hover .pw-sub-del { opacity: 1; }
.pw-sub-del:hover { color: var(--error-red); }

.pw-editor-pane, .pw-mesh-pane { display: flex; flex-direction: column; gap: 10px; padding: 14px; flex: 1; min-height: 0; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); }
.pw-editor-pane-head { display: flex; align-items: center; justify-content: space-between; }
.pw-editor-pane-name { font-size: 14px; font-weight: 700; color: var(--text-heading); }
.pw-source { flex: 1; min-height: 260px; width: 100%; font-family: var(--font-mono); font-size: 12px; padding: 10px; border: 1px solid var(--border); border-radius: var(--radius); resize: vertical; box-sizing: border-box; background: var(--code-bg); color: var(--text-primary); }

/* 3D viewer */
.pw-viewer3d { position: relative; flex: 1; min-height: 380px; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; background: #1a1e28; }
.pw-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.pw-viewer-topleft { position: absolute; top: 10px; left: 10px; z-index: 5; display: flex; gap: 8px; align-items: center; }
.pw-showall { font: inherit; font-size: 12px; padding: 5px 12px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,.15); background: rgba(31,36,48,.72); color: #dfe4ee; cursor: pointer; }
.pw-showall-active { background: var(--btn-blue); border-color: var(--btn-blue); color: #fff; }
.pw-modetoggle { display: flex; border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius); overflow: hidden; }
.pw-modebtn { font: inherit; font-size: 12px; padding: 5px 12px; border: none; background: rgba(31,36,48,.72); color: #dfe4ee; cursor: pointer; }
.pw-modebtn-active { background: var(--btn-blue); color: #fff; }
.pw-viewer-controls { position: absolute; bottom: 10px; right: 10px; z-index: 5; display: flex; gap: 6px; }
.pw-ctrl { width: 30px; height: 30px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-light); color: var(--text-primary); cursor: pointer; font-size: 15px; }
.pw-ctrl:hover { background: var(--border); }
.pw-mesh-main { position: relative; flex: 1; min-height: 380px; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; background: #1f2430; }
.pw-overlay { position: absolute; top: 12px; left: 12px; background: rgba(0,0,0,.65); color: #e0e0e0; padding: 8px 12px; border-radius: var(--radius); font-size: 12px; z-index: 5; }

/* Structure Inspector controls */
.pw-axis-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.pw-axis-field { display: flex; flex-direction: column; gap: 3px; font-size: 11px; color: var(--text-muted); }
.pw-axis-input { padding: 5px 6px; font-size: 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-white); color: var(--text-primary); width: 100%; box-sizing: border-box; }
.pw-slider-row { display: flex; align-items: center; gap: 8px; }
.pw-slider-label { width: 14px; font-size: 12px; color: var(--text-muted); }
.pw-slider { flex: 1; accent-color: var(--btn-blue); }
.pw-slider-num { width: 56px; padding: 4px 6px; font-size: 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-white); color: var(--text-primary); }
.pw-reset-btn { margin: 8px 0; }
.pw-insp-stats { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text-secondary); font-family: var(--font-mono); }

/* mesh inspector groups */
.pw-group-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin: 8px 0 4px; }
.pw-group-actions { display: flex; gap: 6px; }
.pw-group-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.pw-group-item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-primary); cursor: pointer; padding: 2px 0; }
.pw-group-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-group-count { color: var(--text-tertiary); font-variant-numeric: tabular-nums; }

/* Generate Mesh estimation table */
.pw-mesh-stats { display: flex; gap: 26px; padding: 4px 0 14px; flex-wrap: wrap; }
.pw-mesh-stat { display: flex; flex-direction: column; gap: 2px; }
.pw-mesh-big { font-size: 22px; font-weight: 800; color: var(--text-heading); font-variant-numeric: tabular-nums; }
.pw-mesh-stat span:last-child { font-size: 12px; color: var(--text-muted); }
.pw-mesh-hint { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.pw-mesh-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.pw-mesh-table th { text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--border); color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.pw-mesh-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); }
.pw-mesh-table tr:hover td { background: var(--bg-hover); }
.pw-row-free td { background: color-mix(in srgb, var(--success-green) 8%, transparent); }

/* ═══════════════════ SIMULATION-RUN SUBSYSTEM (simRun.js) ═══════════════════ */
/* Rail (Simulation tab) */
.pw-sim-railhead { display: flex; align-items: center; margin-bottom: 8px; }
.pw-sim-railmesh { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; color: var(--text-heading); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-sim-railmesh svg { color: var(--orange); flex-shrink: 0; }
.pw-sim-steps { display: flex; flex-direction: column; gap: 2px; margin: 10px 0 4px; padding: 8px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-light); }
.pw-sim-step { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-muted); padding: 4px 2px; }
.pw-sim-step-n { width: 18px; height: 18px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--border); color: var(--text-secondary); font-size: 10px; font-weight: 700; }
.pw-sim-step-done { color: var(--text-secondary); }
.pw-sim-step-done .pw-sim-step-n { background: color-mix(in srgb, var(--success-green) 22%, transparent); color: var(--success-green); }
.pw-sim-step-active { color: var(--btn-blue); font-weight: 700; }
.pw-sim-step-active .pw-sim-step-n { background: var(--btn-blue); color: #fff; }
.pw-sim-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; background: var(--text-tertiary); }
.pw-sim-dot-queued { background: var(--orange); }
.pw-sim-dot-running { background: var(--btn-blue); box-shadow: 0 0 0 0 color-mix(in srgb, var(--btn-blue) 60%, transparent); animation: pw-sim-pulse 1.4s infinite; }
.pw-sim-dot-done { background: var(--success-green); }
.pw-sim-dot-stopped { background: var(--text-muted); }
.pw-sim-dot-error { background: var(--error-red); }
@keyframes pw-sim-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--btn-blue) 55%, transparent); } 70% { box-shadow: 0 0 0 6px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.pw-sim-runpct { font-size: 11px; color: var(--text-muted); font-variant-numeric: tabular-nums; }

/* Lifecycle forms */
.pw-sim-form { display: flex; flex-direction: column; gap: 14px; flex: 1; min-height: 0; overflow-y: auto; padding: 2px; }
.pw-sim-card { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); padding: 16px; }
.pw-sim-card-title { font-size: 14px; font-weight: 700; color: var(--text-heading); margin-bottom: 6px; }
.pw-sim-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pw-sim-derived { font-size: 13px; color: var(--text-secondary); background: var(--bg-light); border-radius: var(--radius); padding: 8px 10px; }
.pw-sim-derived strong { color: var(--text-heading); font-variant-numeric: tabular-nums; }
.pw-sim-warn { color: var(--orange); }
.pw-sim-banner { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-secondary); background: color-mix(in srgb, var(--orange) 10%, var(--bg-white)); border: 1px solid color-mix(in srgb, var(--orange) 30%, transparent); border-radius: var(--radius-md); padding: 9px 12px; }
.pw-sim-banner svg { color: var(--orange); flex-shrink: 0; }

/* Physics presets + mode chips */
.pw-sim-presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px; }
.pw-sim-preset { text-align: left; display: flex; flex-direction: column; gap: 3px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); cursor: pointer; font: inherit; transition: border-color .12s, background .12s; }
.pw-sim-preset:hover { border-color: var(--btn-blue); }
.pw-sim-preset-on { border-color: var(--btn-blue); background: var(--focus-ring); }
.pw-sim-preset-l { font-size: 13px; font-weight: 700; color: var(--text-heading); }
.pw-sim-preset-d { font-size: 11px; color: var(--text-muted); }
.pw-sim-modes { display: flex; flex-direction: column; gap: 10px; }
.pw-sim-modegroup-h { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--text-tertiary); margin-bottom: 5px; }
.pw-sim-modechips { display: flex; flex-wrap: wrap; gap: 6px; }
.pw-sim-chip { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; padding: 4px 9px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-light); color: var(--text-secondary); cursor: pointer; user-select: none; }
.pw-sim-chip input { display: none; }
.pw-sim-chip:hover { border-color: var(--btn-blue); }
.pw-sim-chip-on { background: color-mix(in srgb, var(--btn-blue) 16%, transparent); border-color: var(--btn-blue); color: var(--btn-blue); font-weight: 600; }
.pw-sim-modechips-sm .pw-sim-chip { font-size: 11px; padding: 3px 8px; }

/* Compute: work tiles + instance cards + node stepper */
.pw-sim-worktiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.pw-sim-tile { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); }
.pw-sim-tile-v { font-size: 20px; font-weight: 800; color: var(--text-heading); font-variant-numeric: tabular-nums; }
.pw-sim-tile span:last-child { font-size: 11px; color: var(--text-muted); }
.pw-sim-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.pw-sim-inst { position: relative; text-align: left; display: flex; flex-direction: column; gap: 6px; padding: 13px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); cursor: pointer; font: inherit; transition: border-color .12s, box-shadow .12s, transform .12s; }
.pw-sim-inst:hover:not(:disabled) { border-color: var(--btn-blue); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.pw-sim-inst-on { border-color: var(--btn-blue); box-shadow: 0 0 0 3px var(--focus-ring); }
.pw-sim-inst-dis { opacity: .55; cursor: not-allowed; }
.pw-sim-inst-top { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.pw-sim-inst-name { font-size: 13px; font-weight: 700; color: var(--text-heading); font-family: var(--font-mono); }
.pw-sim-role { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 1px 7px; border-radius: 999px; }
.pw-sim-role-cheapest { background: color-mix(in srgb, var(--success-green) 18%, transparent); color: var(--success-green); }
.pw-sim-role-balanced { background: color-mix(in srgb, var(--btn-blue) 18%, transparent); color: var(--btn-blue); }
.pw-sim-role-fastest { background: color-mix(in srgb, var(--orange) 18%, transparent); color: var(--orange); }
.pw-sim-inst-spec { font-size: 11px; color: var(--text-muted); }
.pw-sim-inst-rt { font-size: 14px; font-weight: 700; color: var(--text-heading); }
.pw-sim-inst-rt .pw-muted { font-weight: 400; }
.pw-sim-inst-cost { font-size: 13px; font-weight: 700; color: var(--btn-blue); font-variant-numeric: tabular-nums; }
.pw-sim-stepper-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.pw-sim-stepper { display: flex; align-items: center; gap: 0; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.pw-sim-stepbtn { width: 40px; height: 46px; border: none; background: var(--bg-light); color: var(--text-primary); font-size: 20px; cursor: pointer; }
.pw-sim-stepbtn:hover { background: var(--border); color: var(--btn-blue); }
.pw-sim-stepval { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 84px; padding: 4px 10px; }
.pw-sim-stepval > span:first-child { font-size: 26px; font-weight: 800; color: var(--text-heading); line-height: 1; font-variant-numeric: tabular-nums; }
.pw-sim-stepunit { font-size: 11px; color: var(--text-muted); }
.pw-sim-noderuntime { display: flex; flex-direction: column; gap: 2px; }
.pw-sim-rt-big { font-size: 22px; font-weight: 800; color: var(--text-heading); font-variant-numeric: tabular-nums; }
.pw-sim-scaling { margin-top: 14px; }
.pw-sim-scalebars { display: flex; align-items: flex-end; gap: 6px; height: 70px; }
.pw-sim-scalebar { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; gap: 4px; cursor: default; }
.pw-sim-scalebar-fill { width: 100%; max-width: 30px; background: var(--border); border-radius: 3px 3px 0 0; transition: height .18s; }
.pw-sim-scalebar span { font-size: 10px; color: var(--text-tertiary); }
.pw-sim-scalebar-on .pw-sim-scalebar-fill { background: var(--btn-blue); }
.pw-sim-scalebar-on span { color: var(--btn-blue); font-weight: 700; }

/* Cost & review */
.pw-sim-costwrap { display: grid; grid-template-columns: 1.3fr 1fr; gap: 16px; }
.pw-sim-costcard { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); padding: 18px; }
.pw-sim-costtitle { font-size: 13px; font-weight: 700; color: var(--text-heading); margin-bottom: 14px; }
.pw-sim-costsplit { display: flex; flex-direction: column; gap: 6px; }
.pw-sim-costrow { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 6px 0; }
.pw-sim-costk { font-size: 13px; color: var(--text-secondary); }
.pw-sim-costv { font-size: 17px; font-weight: 700; color: var(--text-heading); font-variant-numeric: tabular-nums; }
.pw-sim-costop { text-align: center; font-size: 15px; color: var(--text-tertiary); font-weight: 700; }
.pw-sim-costtotal { border-top: 2px solid var(--border); margin-top: 4px; padding-top: 12px; }
.pw-sim-costtotal .pw-sim-costk { font-weight: 700; color: var(--text-heading); font-size: 14px; }
.pw-sim-costtotal .pw-sim-costv { font-size: 24px; color: var(--btn-blue); }
.pw-sim-costnote { font-size: 11px; color: var(--text-muted); margin-top: 14px; line-height: 1.5; }
.pw-sim-runsum { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-light); padding: 16px; display: flex; flex-direction: column; gap: 2px; }
.pw-sim-sumrow { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 12px; }
.pw-sim-sumrow:last-child { border-bottom: none; }
.pw-sim-sumrow span { color: var(--text-muted); }
.pw-sim-sumrow strong { color: var(--text-primary); text-align: right; }

/* THE THEATER (Monitor / Results) */
.pw-sim-theater { display: flex; flex-direction: column; gap: 10px; flex: 1; min-height: 0; }
.pw-sim-stage { position: relative; flex: 1; min-height: 340px; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; background: radial-gradient(circle at 50% 40%, #12182a, #080b14 70%); }
.pw-sim-stage .pw-canvas { position: absolute; inset: 0; }
.pw-sim-stageover { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #cdd6e6; font-size: 14px; background: rgba(8,11,20,.7); z-index: 6; }
.pw-sim-legend { position: absolute; top: 14px; left: 14px; z-index: 5; display: flex; gap: 6px; background: rgba(10,14,24,.6); padding: 8px; border-radius: var(--radius); backdrop-filter: blur(4px); }
.pw-sim-legend-bar { width: 12px; height: 96px; border-radius: 3px; border: 1px solid rgba(255,255,255,.15); }
.pw-sim-legend-labels { display: flex; flex-direction: column; justify-content: space-between; font-size: 10px; color: #aeb8ca; }
.pw-sim-theater .pw-viewer-controls { position: absolute; bottom: 12px; right: 12px; z-index: 5; display: flex; gap: 6px; }

/* timeline / scrubber */
.pw-sim-timeline { display: flex; align-items: center; gap: 12px; padding: 4px 2px; }
.pw-sim-play { width: 36px; height: 36px; flex-shrink: 0; border-radius: 50%; border: none; background: var(--btn-blue); color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.pw-sim-play:hover { background: var(--btn-blue-hover); }
.pw-sim-scrub { flex: 1; accent-color: var(--btn-blue); }
.pw-sim-tstep { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.pw-sim-livewave { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--error-red); }
.pw-sim-livewave-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--error-red); animation: pw-sim-pulse 1.2s infinite; }
.pw-sim-ttrack { flex: 1; height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; }
.pw-sim-track-fill { height: 100%; background: linear-gradient(90deg, var(--btn-blue), #25c8fa); transition: width .3s; }

/* stat bar */
.pw-sim-statbar { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); }
.pw-sim-stat { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.pw-sim-stat-k { color: var(--text-muted); }
.pw-sim-stat-v { font-weight: 700; color: var(--text-heading); font-variant-numeric: tabular-nums; }
.pw-sim-stat-prog { flex: 1; min-width: 160px; }
.pw-sim-progbar { flex: 1; height: 8px; border-radius: 4px; background: var(--border); overflow: hidden; }
.pw-sim-progfill { height: 100%; background: linear-gradient(90deg, var(--btn-blue), #25c8fa); transition: width .4s; }
.pw-sim-cost-accr { color: var(--btn-blue); }

/* log tail */
.pw-sim-logwrap { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--code-bg); overflow: hidden; }
.pw-sim-logtail { max-height: 108px; overflow-y: auto; padding: 8px 12px; font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); line-height: 1.6; }
.pw-sim-logline { white-space: pre-wrap; }

/* observation-region inspector */
.pw-sim-obs .pw-btn-primary { margin-bottom: 8px; }
.pw-sim-regionlist { display: flex; flex-direction: column; gap: 4px; }
.pw-sim-region { display: flex; align-items: center; gap: 8px; padding: 7px 8px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-white); }
.pw-sim-region-hidden { opacity: .5; }
.pw-sim-region-swatch { width: 12px; height: 12px; border-radius: 3px; flex-shrink: 0; box-shadow: 0 0 0 1px rgba(0,0,0,.12) inset; }
.pw-sim-region-main { flex: 1; min-width: 0; }
.pw-sim-region-name { font-size: 12px; font-weight: 600; color: var(--text-heading); display: flex; align-items: center; gap: 6px; }
.pw-sim-region-type { font-size: 10px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-tertiary); border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; }
.pw-sim-region-meta { font-size: 11px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-sim-region-removed { color: var(--orange); }
.pw-sim-region-live { color: var(--btn-blue); font-variant-numeric: tabular-nums; }
.pw-sim-region-btn { border: none; background: none; color: var(--text-muted); cursor: pointer; padding: 5px; border-radius: var(--radius); display: flex; flex-shrink: 0; }
.pw-sim-region-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.pw-sim-region-del:hover { color: var(--error-red); }
.pw-sim-fieldctl { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
.pw-sim-inline { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-secondary); }
.pw-sim-inline .pw-slider { flex: 1; accent-color: var(--btn-blue); }

/* add-region form */
.pw-sim-addcard { border: 1px solid var(--btn-blue); border-radius: var(--radius-md); background: var(--focus-ring); padding: 12px; margin: 6px 0; display: flex; flex-direction: column; gap: 6px; }
.pw-sim-typetog { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.pw-sim-typebtn { flex: 1; padding: 6px; border: none; background: var(--bg-white); color: var(--text-secondary); cursor: pointer; font: inherit; font-size: 12px; text-transform: capitalize; }
.pw-sim-typebtn-on { background: var(--btn-blue); color: #fff; font-weight: 600; }
.pw-sim-axisrange { display: flex; flex-direction: column; gap: 2px; margin-bottom: 4px; }
.pw-sim-dual { display: flex; flex-direction: column; gap: 2px; }
.pw-sim-dual .pw-slider { accent-color: var(--btn-blue); }
.pw-sim-fields { display: flex; flex-wrap: wrap; gap: 4px; }
.pw-sim-fieldpill { font-size: 10px; font-family: var(--font-mono); padding: 2px 6px; border-radius: 4px; background: var(--bg-light); color: var(--text-secondary); border: 1px solid var(--border); }
.pw-sim-addactions { display: flex; justify-content: flex-end; gap: 6px; margin-top: 4px; }

/* run-summary inspector */
.pw-sim-suml { font-size: 12px; color: var(--text-primary); display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.pw-sim-minicost { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* results summary */
.pw-sim-results { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-white); padding: 14px; max-height: 260px; overflow-y: auto; }
.pw-sim-obsgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; margin-top: 6px; }
.pw-sim-obscard { border: 1px solid var(--border); border-radius: var(--radius-md); padding: 10px 12px; background: var(--bg-light); }
.pw-sim-obchead { display: flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.pw-sim-obname { font-size: 12px; font-weight: 700; color: var(--text-heading); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pw-sim-spark { width: 100%; height: 40px; display: block; }
.pw-sim-obstats { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); margin-top: 4px; font-variant-numeric: tabular-nums; }
.pw-sim-obstats strong { color: var(--text-heading); }
.pw-sim-obrange { font-size: 10px; color: var(--text-tertiary); margin-top: 4px; }
.pw-sim-refs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.pw-sim-ref { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-light); color: var(--text-primary); text-decoration: none; }
.pw-sim-ref-dl { color: var(--btn-blue); font-weight: 600; }
a.pw-sim-ref:hover { border-color: var(--btn-blue); }
.pw-sim-ref-pending { opacity: .8; }
.pw-sim-resulthead { display: flex; align-items: center; justify-content: space-between; }

/* modal */
.pw-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.pw-modal { width: 440px; max-width: 92vw; background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: hidden; }
.pw-modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.pw-modal-head h2 { margin: 0; font-size: 17px; color: var(--text-heading); }
.pw-modal-x { border: none; background: none; color: var(--text-muted); cursor: pointer; font-size: 15px; }
.pw-modal-body { padding: 18px; }
.pw-modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--border); }