:root {
  --iso-orange: #F05324;
  --iso-orange-deep: #E54210;
  --iso-teal: #00A897;
  --iso-blue: #3E5BEA;
  --iso-bg: #F2F3F8;
  --iso-lavender-deep: #E6E8F0;
  --iso-card: #FFFFFF;
  --iso-ink: #131520;
  --iso-secondary: #E7E8EF;
  --iso-muted: #E2E3E9;
  --iso-muted-text: #73778C;
  --iso-border: #DCDEE5;
  --iso-input: #E8E9EE;
  --iso-destructive: #EF4343;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --shadow: 0 2px 8px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
  --font-sans: "Outfit", system-ui, sans-serif;
  --font-mono: "DM Mono", ui-monospace, monospace;
  --font-serif: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--iso-bg);
  color: var(--iso-ink);
  font-family: var(--font-sans);
  font-weight: 300;
}

button, input, textarea, select {
  font: inherit;
}

button:not(:disabled), select {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}

.join-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 80% 12%, rgba(240,83,36,.16), transparent 34vw),
    var(--iso-bg);
}

.join-card {
  width: min(440px, 100%);
  display: grid;
  gap: 18px;
  padding: 34px;
  background: #fff;
  border: 1px solid var(--iso-border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
}

.join-logo {
  width: 230px;
  height: auto;
}

.join-card h1 {
  font-size: 42px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(242,243,248,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--iso-border);
}

.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 14px 24px;
  display: grid;
  grid-template-columns: 210px 1fr auto;
  gap: 18px;
  align-items: center;
}

.logo {
  width: 164px;
  height: auto;
  display: block;
}

.session-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.pill {
  border: 1px solid var(--iso-border);
  border-radius: 999px;
  padding: 7px 10px;
  background: #fff;
  color: var(--iso-muted-text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.pill.live {
  background: var(--iso-orange);
  border-color: var(--iso-orange);
  color: white;
}

.timer {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: .04em;
  color: var(--iso-orange);
  min-width: 68px;
  text-align: right;
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.topbar-reset {
  padding: 8px 12px;
  white-space: nowrap;
}

.layout {
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 300px 1fr 360px;
  gap: 18px;
}

.layout.no-work-rail {
  grid-template-columns: 300px minmax(0, 1fr);
}

.participant-layout {
  grid-template-columns: minmax(0, 1180px);
  justify-content: center;
}

.layout.participant-layout.no-work-rail {
  grid-template-columns: minmax(0, 1180px);
}

.participant-layout:not(.no-work-rail) {
  grid-template-columns: minmax(0, 900px) 360px;
}

.panel {
  background: var(--iso-card);
  border: 1px solid var(--iso-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.panel-pad {
  padding: 18px;
}

.sidebar {
  align-self: start;
  position: sticky;
  top: 88px;
}

.facilitator-session {
  margin: 14px 0 4px;
}

.kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--iso-teal);
  font-size: 11px;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1;
}

h1 {
  font-size: clamp(34px, 5vw, 60px);
}

h1 em {
  font-family: var(--font-serif);
  color: var(--iso-orange);
}

h2 { font-size: 26px; }
h3 { font-size: 18px; }

p {
  line-height: 1.45;
}

.muted {
  color: var(--iso-muted-text);
}

.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.mode-card {
  text-align: left;
  padding: 18px;
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  background: #fff;
  color: var(--iso-ink);
  min-height: 154px;
}

.mode-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
  font-weight: 800;
}

.button {
  border: 0;
  border-radius: 999px;
  background: var(--iso-ink);
  color: white;
  padding: 10px 14px;
  font-weight: 800;
}

.button.orange {
  background: var(--iso-orange);
}

.button.teal {
  background: var(--iso-teal);
}

.button.ghost {
  color: var(--iso-ink);
  background: var(--iso-secondary);
}

.button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.timer-custom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 10px;
}

.timer-custom input {
  min-width: 0;
}

.step-layout {
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.step-layout > * {
  min-width: 0;
}

.role-panel {
  position: sticky;
  top: 88px;
}

.role-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.role-item {
  display: grid;
  gap: 4px;
  border: 1px solid var(--iso-border);
  border-radius: 12px;
  background: #fff;
  padding: 12px;
}

.role-item strong {
  color: var(--iso-orange);
  font-size: 15px;
  line-height: 1;
}

.role-item span {
  color: var(--iso-muted-text);
  font-size: 13px;
  line-height: 1.3;
}

.role-item ul {
  margin: 0;
  padding-left: 18px;
  color: var(--iso-muted-text);
  font-size: 13px;
  line-height: 1.25;
}

.role-item li + li {
  margin-top: 4px;
}

.brief-actions,
.pack-actions {
  margin: 16px 0 22px;
}

.step-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.step-button {
  border: 1px solid var(--iso-border);
  border-radius: 12px;
  background: #fff;
  text-align: left;
  padding: 12px;
  color: var(--iso-ink);
}

.step-button.active {
  border-color: var(--iso-orange);
  box-shadow: inset 4px 0 0 var(--iso-orange);
}

.step-button span {
  display: block;
  color: var(--iso-muted-text);
  font-size: 12px;
  margin-top: 4px;
}

.prompt-card {
  border: 1px solid rgba(240,83,36,.35);
  background: #fff8f4;
  border-radius: 16px;
  padding: 18px;
  margin: 16px 0;
}

.prompt-text {
  white-space: pre-wrap;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 500;
}

.teaser-strip {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(240,83,36,.22);
}

.teaser-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.teaser-grid span {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--iso-border);
  border-radius: 10px;
  background: #fff;
  color: var(--iso-muted-text);
  font-size: 13px;
  line-height: 1.2;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.workflow-note {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  margin: 18px 0 0;
  border: 1px solid var(--iso-border);
  border-left: 5px solid var(--iso-teal);
  border-radius: 12px;
  background: #fff;
}

.workflow-note strong {
  font-size: 17px;
  line-height: 1.1;
}

.workflow-note span {
  color: var(--iso-muted-text);
  line-height: 1.35;
}

.selected-summary {
  display: grid;
  gap: 6px;
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  background: #fff;
}

.selected-summary strong {
  font-size: 22px;
  line-height: 1.05;
}

.selected-summary span {
  color: var(--iso-muted-text);
  line-height: 1.35;
}

.section-heading {
  margin-top: 18px;
}

.field {
  display: grid;
  gap: 6px;
}

.source-field {
  padding: 14px;
  border: 1px solid rgba(0,168,151,.28);
  border-radius: 14px;
  background: rgba(0,168,151,.045);
}

.field-help {
  margin: 0;
  color: var(--iso-muted-text);
  font-size: 13px;
  line-height: 1.3;
}

label {
  font-family: var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--iso-muted-text);
  font-size: 11px;
}

input, textarea, select {
  border: 1px solid var(--iso-input);
  background: white;
  color: var(--iso-ink);
  border-radius: 10px;
  padding: 10px 11px;
  width: 100%;
}

textarea {
  min-height: 94px;
  resize: vertical;
}

.full { grid-column: 1 / -1; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.mini-card {
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  padding: 14px;
  background: #fff;
}

.check-card {
  min-height: 72px;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: center;
  font-family: var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--iso-muted-text);
  font-size: 13px;
}

.check-card input {
  width: 18px;
  height: 18px;
  padding: 0;
}

.rubric-section {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  background: #fff;
}

.rubric-section .muted {
  margin: 0 0 12px;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
}

.check-row {
  min-height: 38px;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: center;
  color: var(--iso-ink);
  font-family: var(--font-sans);
  letter-spacing: 0;
  text-transform: none;
  font-size: 15px;
}

.check-row input {
  width: 18px;
  height: 18px;
  padding: 0;
}

.vs-section {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  background: #fff;
}

.vs-grid {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 96px 118px 118px;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--iso-border);
  border-radius: 12px;
  background: var(--iso-border);
}

.vs-grid > div {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 9px 10px;
  background: #fff;
  font-size: 13px;
  line-height: 1.2;
}

.vs-head {
  font-family: var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--iso-muted-text);
  font-size: 10px !important;
}

.mark {
  font-weight: 800;
}

.mark.yes,
.mark.improved {
  color: var(--iso-teal);
}

.mark.no {
  color: var(--iso-muted-text);
}

.mini-card strong {
  display: block;
  font-size: 26px;
  line-height: 1;
  color: var(--iso-orange);
  margin-top: 8px;
}

.roi-snapshot {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  background: #fff;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 10px 0;
}

.metric {
  min-height: 86px;
  padding: 12px;
  border-radius: 12px;
  background: var(--iso-ink);
  color: #fff;
}

.metric strong {
  display: block;
  color: var(--iso-orange);
  font-size: 22px;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: #cfd4e2;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.brief-list {
  display: grid;
  gap: 10px;
}

.brief-item {
  border: 1px solid var(--iso-border);
  border-radius: 12px;
  padding: 12px;
  background: #fff;
}

.brief-item.active {
  border-color: var(--iso-teal);
  box-shadow: inset 4px 0 0 var(--iso-teal);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.overview-card {
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  padding: 18px;
  background: #fff;
}

.overview-card.full {
  grid-column: 1 / -1;
}

.loop-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.loop-row span {
  min-height: 54px;
  display: grid;
  place-items: center;
  border: 1px solid var(--iso-border);
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.loop-row span:first-child,
.loop-row span:last-child {
  border-color: var(--iso-orange);
  color: var(--iso-orange-deep);
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.score-grid input {
  text-align: center;
}

.matrix {
  position: relative;
  min-height: 320px;
  border: 1px solid var(--iso-border);
  border-radius: 16px;
  background:
    linear-gradient(90deg, transparent 49.8%, var(--iso-border) 50%, transparent 50.2%),
    linear-gradient(0deg, transparent 49.8%, var(--iso-border) 50%, transparent 50.2%),
    white;
  margin-top: 18px;
  overflow: hidden;
}

.matrix-label {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--iso-muted-text);
  text-transform: uppercase;
}

.matrix-label.top { top: 10px; right: 12px; }
.matrix-label.bottom { bottom: 10px; left: 12px; }
.matrix-label.note {
  top: 10px;
  left: 12px;
  max-width: 260px;
  line-height: 1.25;
}

.project-picker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 6px;
}

.project-card {
  display: grid;
  gap: 8px;
  min-height: 92px;
  text-align: left;
  border: 1px solid var(--iso-border);
  border-radius: 14px;
  background: #fff;
  padding: 14px;
  color: var(--iso-ink);
}

.project-card.active {
  border-color: var(--iso-teal);
  box-shadow: inset 4px 0 0 var(--iso-teal);
}

.project-card strong {
  font-size: 16px;
  line-height: 1.1;
}

.project-card span {
  color: var(--iso-muted-text);
  font-size: 13px;
  line-height: 1.25;
}

.dot {
  position: absolute;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  padding: 7px 10px;
  max-width: 150px;
  background: var(--iso-orange);
  color: white;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  z-index: 2;
  border: 2px solid #fff;
  box-shadow: var(--shadow-sm);
}

.dot.active {
  background: var(--iso-teal);
  z-index: 3;
}

.pack {
  display: none;
  background: white;
  color: var(--iso-ink);
}

.pack-page {
  padding: 28px;
  border: 1px solid var(--iso-border);
  border-radius: 16px;
  background: white;
}

.pack-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  border-bottom: 3px solid var(--iso-orange);
  padding-bottom: 18px;
  margin-bottom: 18px;
}

.pack-logo {
  width: 150px;
}

.pack-section {
  border-top: 1px solid var(--iso-border);
  padding-top: 14px;
  margin-top: 14px;
}

.pack-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.pack-table th,
.pack-table td {
  border-bottom: 1px solid var(--iso-border);
  text-align: left;
  padding: 8px;
  vertical-align: top;
}

.pack-table th {
  background: var(--iso-secondary);
  font-weight: 800;
}

.roi-chart {
  display: grid;
  gap: 8px;
  margin: 10px 0 14px;
}

.roi-chart div {
  display: grid;
  grid-template-columns: 170px 110px 1fr;
  gap: 10px;
  align-items: center;
  font-size: 12px;
}

.roi-chart strong {
  color: var(--iso-orange);
}

.roi-chart i {
  display: block;
  height: 12px;
  border-radius: 999px;
  background: var(--iso-teal);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  background: var(--iso-ink);
  color: white;
  border-radius: 999px;
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(12px);
  transition: .2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
  }
  .role-panel {
    position: static;
  }
  .topbar-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .layout {
    padding: 14px;
  }
  .mode-grid,
  .form-grid,
  .card-grid,
  .metric-row,
  .score-grid,
  .overview-grid,
  .loop-row,
  .step-layout,
  .project-picker,
  .teaser-grid,
  .check-list,
  .vs-grid,
  .participant-layout:not(.no-work-rail) {
    grid-template-columns: 1fr;
  }

  .overview-card.full {
    grid-column: auto;
  }
}

@media print {
  body {
    background: white;
  }
  .topbar,
  .layout,
  .toast,
  .no-print {
    display: none !important;
  }
  .pack {
    display: block !important;
  }
  .pack-page {
    border: 0;
    border-radius: 0;
    padding: 0;
  }
}