:root {
  --navy: #1F2A44;
  --gold: #F2A900;
  --gold-soft: #FFF4D6;
  --bg: #EEF2F7;
  --card: #FFFFFF;
  --border: #D7DFEA;
  --text: #172033;
  --muted: #667085;
  --green: #176B45;
  --green-soft: #EAF7EF;
  --green-border: #B7E2C7;
  --orange: #B54708;
  --orange-soft: #FFF7ED;
  --red: #B42318;
  --red-soft: #FEF3F2;
  --blue: #2563EB;
  --blue-soft: #EAF2FF;
  --shadow: 0 12px 28px rgba(31, 42, 68, 0.09);
  --shadow-soft: 0 6px 16px rgba(31, 42, 68, 0.06);
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; font-family: Arial, Helvetica, sans-serif; background: var(--bg); color: var(--text); }
button, select { font-family: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--navy);
  color: white;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
}
.topbar h1 { margin: 0; font-size: 20px; }
.topbar p { margin: 3px 0 0; max-width: 980px; font-size: 12px; line-height: 1.35; color: rgba(255,255,255,.78); }
.topbar-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.btn { border: 0; border-radius: 999px; padding: 9px 13px; font-size: 12px; font-weight: 900; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px; white-space: nowrap; }
.btn.gold { background: var(--gold); color: #111827; }
.btn.green { background: var(--green); color: white; }
.btn.light { color: white; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.25); }

.shell { max-width: 1860px; margin: 0 auto; padding: 14px; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 14px; align-items: start; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.panel-header { padding: 12px 16px; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, #FFFFFF, #F8FAFC); }
.panel-header h2 { margin: 0; color: var(--navy); font-size: 17px; }
.panel-header p { margin: 4px 0 0; color: var(--muted); line-height: 1.35; font-size: 12px; }
.panel-scroll { padding: 14px; overflow: auto; }
.left-scroll { max-height: calc(100vh - 152px); }

.toolbar-row { display: grid; grid-template-columns: minmax(0, 1.25fr) 185px minmax(230px, .85fr); gap: 10px; margin-bottom: 12px; }
.mini-card { border: 1px solid var(--border); background: #FFFFFF; border-radius: 15px; padding: 12px; }
.mini-card h3 { margin: 0 0 5px; color: var(--navy); font-size: 13px; }
.mini-card p { margin: 0; color: #344054; font-size: 12px; line-height: 1.35; }
.word-card { text-align: center; background: var(--green-soft); border-color: var(--green-border); }
.word-card strong { display: block; color: var(--green); font-size: 22px; line-height: 1; }
.word-card span { display: block; margin-top: 5px; color: var(--green); font-size: 11px; font-weight: 900; }
.word-card small { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; line-height: 1.25; }
.word-card.warning { background: var(--orange-soft); border-color: #FED7AA; }
.word-card.over { background: var(--red-soft); border-color: #FECACA; }
.word-card.warning strong, .word-card.warning span { color: var(--orange); }
.word-card.over strong, .word-card.over span { color: var(--red); }
.quality-card { border-left: 6px solid var(--green); }
.quality-card.upper { background: var(--green-soft); border-color: var(--green-border); }
.quality-card.middle { background: var(--gold-soft); border-color: #F5D979; }
.quality-card.lower { background: var(--orange-soft); border-color: #FED7AA; }
.quality-card.minimal { background: var(--red-soft); border-color: #FECACA; }

.flow-bar { display: none; border: 1px solid var(--border); background: #F8FAFC; border-radius: 15px; padding: 12px; margin-bottom: 12px; }
.flow-bar.visible { display: block; }
.flow-bar h3 { margin: 0 0 8px; color: var(--navy); font-size: 15px; }
.flow-map, .evidence-chain { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.flow-pill, .chain-btn, .trace-btn { display: inline-flex; align-items: center; border-radius: 999px; padding: 7px 10px; background: white; border: 1px solid var(--border); color: var(--navy); font-weight: 900; font-size: 11px; cursor: pointer; }
.flow-arrow, .chain-arrow { color: var(--muted); font-weight: 900; }

.stage-tabs { display: grid; grid-template-columns: repeat(5, minmax(120px, 1fr)); gap: 7px; margin-bottom: 12px; }
.stage-tab { text-align: left; border: 1px solid var(--border); border-radius: 13px; background: white; color: var(--navy); padding: 9px 11px; cursor: pointer; }
.stage-tab strong { display: block; font-size: 12px; }
.stage-tab span { display: block; margin-top: 2px; font-size: 10px; color: #3E4C66; }
.stage-tab.active { background: var(--gold-soft); border-color: var(--gold); box-shadow: 0 0 0 2px rgba(242, 169, 0, .13); }

.performance-switcher, .evidence-chain-card { border: 1px solid var(--border); background: #FFFFFF; border-radius: 16px; box-shadow: var(--shadow-soft); padding: 12px; margin-bottom: 12px; }
.performance-switcher { border-left: 6px solid var(--gold); }
.performance-switcher-top { display: grid; grid-template-columns: minmax(260px, 1fr) auto; gap: 10px; align-items: center; }
.performance-switcher h3, .evidence-chain-card h3 { margin: 0 0 4px; color: var(--navy); font-size: 15px; }
.performance-switcher p, .evidence-chain-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.35; }
.performance-controls { display: flex; flex-wrap: wrap; gap: 7px; justify-content: flex-end; }
.band-switch-btn, .band-btn { border: 1px solid var(--border); background: #FFFFFF; color: var(--navy); border-radius: 999px; padding: 8px 11px; font-size: 11px; font-weight: 900; cursor: pointer; }
.band-switch-btn.active, .band-btn.active { background: var(--gold); color: #111827; border-color: var(--gold); }
.mode-feedback { margin-top: 9px; border-radius: 13px; background: var(--soft-navy); color: var(--navy); padding: 9px 11px; font-size: 12px; line-height: 1.35; font-weight: 800; }
.evidence-chain-card p { margin-bottom: 9px; }
.chain-btn:hover, .chain-btn.active { background: var(--gold-soft); border-color: var(--gold); }
.criteria-trace-card { border: 1px solid var(--border); background: #F8FAFC; border-radius: 14px; padding: 10px; margin-top: 10px; }
.criteria-trace-card h4 { margin: 0 0 8px; color: var(--navy); font-size: 12px; }
.criteria-trace-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.trace-btn.active { background: var(--navy); color: white; border-color: var(--navy); }

.folio-stage { display: none; }
.folio-stage.active { display: block; }
.folio-page { background: white; border: 2px solid #111; padding: 14px; margin-bottom: 12px; }
.folio-title { margin: 0 0 10px; color: #000; font-size: 17px; }
.page-band-label { display: inline-flex; align-items: center; margin: 0 0 8px; border-radius: 999px; padding: 5px 9px; font-size: 10px; font-weight: 900; background: var(--soft-navy); color: var(--navy); border: 1px solid var(--border); }
.folio-grid-1 { display: grid; grid-template-columns: 1fr; gap: 10px; }
.folio-grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.folio-box { border: 2px solid #111; background: white; padding: 11px; position: relative; overflow: visible; }
.folio-box.full { grid-column: 1 / -1; }
.folio-box h3 { margin: 0 0 8px; font-size: 13px; color: #000; }
.folio-box p, .folio-box li, .folio-box td, .folio-box th { font-size: 11px; line-height: 1.42; }
.folio-box ul, .folio-box ol { margin-top: 5px; padding-left: 20px; }
.folio-box table { border-collapse: collapse; width: 100%; background: white; }
.folio-box th, .folio-box td { border: 1px solid #111; padding: 6px; vertical-align: top; text-align: left; }
.folio-box th { background: #F8FAFC; font-weight: 900; }

.criterion-focus-card { border: 1px solid var(--border); border-left: 5px solid var(--gold); border-radius: 14px; background: #F8FAFC; padding: 12px; margin-bottom: 10px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, .45fr); gap: 10px; }
.criterion-focus-card h3 { margin: 2px 0 5px; color: var(--navy); font-size: 14px; }
.criterion-focus-card p, .criterion-focus-card li { margin: 0; color: #344054; font-size: 12px; line-height: 1.35; }
.criterion-focus-card ul { margin: 0; padding-left: 17px; }
.criterion-focus-label { color: var(--muted); font-size: 10px; font-weight: 900; text-transform: uppercase; letter-spacing: .04em; }
.quality-badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 9px; font-size: 10px; font-weight: 900; margin-bottom: 8px; border: 1px solid var(--green-border); background: var(--green-soft); color: var(--green); }
.quality-badge.middle { background: var(--gold-soft); color: #6F4A00; border-color: #F5D979; }
.quality-badge.lower { background: var(--orange-soft); color: var(--orange); border-color: #FED7AA; }
.quality-badge.minimal { background: var(--red-soft); color: var(--red); border-color: #FECACA; }
.student-note { border-left: 5px solid var(--navy); background: #EFF4FF; color: var(--navy); border-radius: 12px; padding: 10px 12px; margin: 9px 0 12px; font-size: 12px; line-height: 1.4; }
.intext-ref { font-size: 10px; font-weight: 700; color: #475467; }
.raw-table { min-width: 850px; }
.raw-date { display: inline-block; background: #EEF2F7; border-radius: 999px; padding: 2px 6px; }

.sketch-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.phone { border: 2px solid #111; border-radius: 14px; padding: 9px; min-height: 205px; background: #F8FAFC; }
.phone-title { text-align: center; font-weight: 900; margin-bottom: 9px; font-size: 12px; }
.phone-field { display: flex; justify-content: space-between; gap: 8px; border: 1px solid #CBD5E1; background: white; padding: 6px; margin-bottom: 6px; font-size: 10px; }
.phone-input { color: var(--muted); font-weight: 900; }
.phone-btn { background: var(--navy); color: white; text-align: center; padding: 7px; border-radius: 999px; margin-top: 7px; font-size: 10px; font-weight: 900; }
.palette-grid { display: grid; grid-template-columns: repeat(3, minmax(110px, 1fr)); gap: 10px; }
.colour-card { min-height: 95px; display: flex; align-items: center; justify-content: center; text-align: center; border: 1px solid var(--border); font-size: 12px; line-height: 1.45; }

.canvas-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 10px; border: 1px solid var(--border); background: #F8FAFC; border-radius: 12px; padding: 7px 9px; margin: 7px 0; font-size: 11px; color: var(--muted); }
.canvas-actions { display: flex; gap: 6px; }
.canvas-btn { border: 1px solid var(--border); background: white; color: var(--navy); font-size: 10px; font-weight: 900; border-radius: 999px; padding: 6px 9px; cursor: pointer; }
.diagram-wrap { width: 100%; max-width: 100%; border: 1px solid #CBD5E1; background: linear-gradient(to right, rgba(148,163,184,.18) 1px, transparent 1px), linear-gradient(to bottom, rgba(148,163,184,.18) 1px, transparent 1px), #FFF; background-size: 24px 24px; border-radius: 10px; overflow: auto; cursor: grab; user-select: none; overscroll-behavior: contain; margin-bottom: 8px; }
.diagram-wrap.dragging { cursor: grabbing; }
.diagram-wrap.erd { height: 520px; }
.diagram-wrap.dfd { height: 560px; }
.diagram-wrap.system { height: 300px; }
.diagram-canvas-inner { width: 1500px; min-width: 1500px; padding: 12px; }
.diagram-wrap svg { display: block; width: 1500px; max-width: none; height: auto; }
.diagram-note { font-size: 12px; line-height: 1.4; color: #344054; border-left: 4px solid var(--gold); background: var(--gold-soft); padding: 9px 11px; margin-top: 8px; }
.canvas-scroll-warning { display: block; color: var(--muted); font-size: 10px; margin-top: 4px; }

.pseudo-grid { display: grid; grid-template-columns: 220px minmax(0, 1fr) 235px; border: 1px solid #111; }
.pseudo-col { border-right: 1px solid #111; padding: 11px; min-height: 380px; }
.pseudo-col:last-child { border-right: 0; }
.pseudo-process pre, .appendix-pane pre { margin: 0; white-space: pre-wrap; font-family: Consolas, Monaco, monospace; font-size: 11px; line-height: 1.4; }
.pseudo-output-box { font-weight: 900; line-height: 1.45; }
.ref-list p { margin: 0 0 7px; padding-left: 18px; text-indent: -18px; }
.appendix-tabs { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 10px; }
.appendix-tab { border: 1px solid var(--border); background: white; color: var(--navy); border-radius: 999px; padding: 7px 11px; font-weight: 900; cursor: pointer; font-size: 11px; }
.appendix-tab.active { background: var(--navy); color: white; }
.appendix-pane { display: none; }
.appendix-pane.active { display: block; }
.appendix-ref-note { border-left: 4px solid var(--navy); background: var(--soft-navy); color: var(--navy); padding: 8px 10px; margin: 9px 0 0; border-radius: 10px; font-size: 11px; line-height: 1.4; }

.calibration-rail { position: sticky; top: 84px; align-self: start; display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 10px; min-height: 0; }
.tool-tab-stack { display: flex; flex-direction: column; gap: 7px; align-self: start; }
.tool-tab { border: 1px solid var(--border); background: #FFFFFF; color: var(--navy); border-radius: 15px; min-height: 68px; padding: 9px 7px; font-size: 11px; font-weight: 900; cursor: pointer; box-shadow: var(--shadow-soft); writing-mode: vertical-rl; transform: rotate(180deg); }
.tool-tab.active { background: var(--gold-soft); border-color: var(--gold); color: var(--navy); }
.tool-drawer { position: static; width: 100%; max-height: calc(100vh - 105px); overflow: auto; background: #FFFFFF; border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); display: none; }
.tool-drawer.active { display: block; }
.tool-drawer-header { position: sticky; top: 0; z-index: 2; background: linear-gradient(180deg, #FFFFFF, #F8FAFC); border-bottom: 1px solid var(--border); padding: 12px 14px; display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.tool-drawer-header h3 { margin: 0; color: var(--navy); font-size: 16px; }
.tool-drawer-header p { margin: 3px 0 0; color: var(--muted); font-size: 11px; line-height: 1.35; }
.tool-drawer-close { border: 1px solid var(--border); background: #FFFFFF; color: var(--navy); border-radius: 999px; width: 30px; height: 30px; font-weight: 900; cursor: pointer; flex-shrink: 0; }
.tool-drawer-body { padding: 12px; }

.criterion-tabs { display: grid; grid-template-columns: 1fr; gap: 7px; margin-bottom: 10px; }
.criterion-tab { border: 1px solid var(--border); border-radius: 12px; background: white; color: var(--navy); padding: 9px 10px; font-weight: 900; text-align: left; cursor: pointer; font-size: 12px; }
.criterion-tab.active { background: var(--navy); color: white; }
.band-card { border: 1px solid var(--border); border-radius: 13px; overflow: hidden; margin-bottom: 9px; background: white; }
.band-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; background: #F8FAFC; padding: 9px 10px; border-bottom: 1px solid var(--border); }
.band-head h4 { margin: 0; color: var(--navy); font-size: 13px; }
.mark-pill { display: inline-flex; align-items: center; justify-content: center; background: var(--gold-soft); color: var(--navy); border-radius: 999px; padding: 4px 8px; font-size: 11px; font-weight: 900; }
.band-body { padding: 9px 10px; }
.rubric-list { margin: 0; padding-left: 18px; }
.rubric-list li { margin-bottom: 7px; font-size: 12px; line-height: 1.35; }
.rubric-phrase { border: 0; background: transparent; color: var(--green); text-decoration: underline; font-weight: 900; cursor: pointer; padding: 0; text-align: left; font-size: inherit; }
.band-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.glossary-card { border: 1px solid var(--border); border-left: 5px solid var(--green); border-radius: 14px; background: #FAFFFC; padding: 11px; }
.glossary-card h4 { margin: 0 0 6px; color: var(--green); }
.glossary-card p { margin: 0 0 9px; font-size: 12px; line-height: 1.4; }
.glossary-evidence { display: flex; flex-wrap: wrap; gap: 6px; }
.glossary-chip { border: 1px solid var(--green-border); background: var(--green-soft); color: var(--green); border-radius: 999px; padding: 6px 9px; font-size: 10px; font-weight: 900; cursor: pointer; }
.marker-box { border: 1px solid var(--border); border-left: 5px solid var(--gold); border-radius: 14px; background: var(--gold-soft); padding: 11px; color: #5C3B00; font-size: 12px; line-height: 1.4; font-weight: 700; }
.checklist { display: grid; gap: 7px; }
.check-item { display: grid; grid-template-columns: 22px minmax(0,1fr); gap: 7px; align-items: start; border: 1px solid var(--border); border-radius: 12px; padding: 7px; background: #F8FAFC; font-size: 11px; line-height: 1.3; }
.check-item.good { background: var(--green-soft); border-color: var(--green-border); }
.check-item.bad { background: var(--red-soft); border-color: #FECACA; }
.check-circle { width: 18px; height: 18px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 900; }
.check-item.good .check-circle { background: var(--green); color: white; }
.check-item.bad .check-circle { background: var(--red); color: white; }
.code-map-table { width: 100%; border-collapse: collapse; }
.code-map-table td, .code-map-table th { border: 1px solid var(--border); padding: 7px; font-size: 11px; line-height: 1.3; vertical-align: top; }
.code-map-table td:first-child { width: 55px; color: var(--navy); font-weight: 900; background: #F8FAFC; }
.warning-tags { display: flex; flex-direction: column; gap: 7px; }
.warning-tag { display: block; border: 1px solid #FECACA; background: var(--red-soft); color: var(--red); border-radius: 12px; padding: 7px 9px; font-size: 11px; line-height: 1.3; font-weight: 800; }
.warning-tag.good { background: #F0FDF4; color: #166534; border-color: #BBF7D0; }

.evidence-hit { outline: 4px solid rgba(23,107,69,.42); box-shadow: 0 0 0 8px rgba(23,107,69,.14); animation: evidencePulse 900ms ease-in-out 2; }
.flow-focus { outline: 4px solid rgba(242,169,0,.55); box-shadow: 0 0 0 8px rgba(242,169,0,.18); animation: flowPulse 900ms ease-in-out infinite alternate; }
.criteria-trace-highlight { outline: 3px solid rgba(242,169,0,.75); background: var(--gold-soft) !important; border-radius: 6px; }
.chain-highlight { outline: 4px solid rgba(37,99,235,.38); box-shadow: 0 0 0 6px rgba(37,99,235,.12); }
@keyframes evidencePulse { from { transform: scale(1); } to { transform: scale(1.01); } }
@keyframes flowPulse { from { transform: scale(1); } to { transform: scale(1.006); } }

@media (max-width: 1400px) {
  .layout, .toolbar-row { grid-template-columns: 1fr; }
  .left-scroll { max-height: none; }
  .stage-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .folio-grid-2, .criterion-focus-card { grid-template-columns: 1fr; }
  .pseudo-grid { grid-template-columns: 1fr; }
  .pseudo-col { border-right: 0; border-bottom: 1px solid #111; }
  .pseudo-col:last-child { border-bottom: 0; }
  .calibration-rail { position: static; grid-template-columns: 1fr; }
  .tool-tab-stack { flex-direction: row; flex-wrap: wrap; }
  .tool-tab { writing-mode: horizontal-tb; transform: none; min-height: auto; padding: 9px 11px; }
  .tool-drawer { max-height: none; }
}

@media (max-width: 780px) {
  .topbar { flex-direction: column; }
  .stage-tabs, .sketch-row, .palette-grid { grid-template-columns: 1fr; }
  .performance-switcher-top { grid-template-columns: 1fr; }
  .performance-controls { justify-content: flex-start; }
}

@media print {
  .topbar, .calibration-rail, .performance-switcher, .evidence-chain-card, .stage-tabs, .flow-bar, .toolbar-row { display: none !important; }
  .layout { display: block; }
  .panel { box-shadow: none; border: 0; }
  .left-scroll { max-height: none; overflow: visible; }
  .folio-stage { display: block !important; }
  body { background: white; }
}