/* DCB / MVAS Subscription Lifecycle Simulator — MVP mockup */

:root {
  --sim-bg: #f8fafc;
  --sim-surface: #ffffff;
  --sim-border: #e2e8f0;
  --sim-text: #0f172a;
  --sim-muted: #64748b;
  --sim-primary: #2563eb;
  --sim-primary-soft: rgba(37, 99, 235, 0.08);
  --sim-success: #059669;
  --sim-warning: #d97706;
  --sim-danger: #dc2626;
}

html.dcb-embed,
html.dcb-embed body {
  background: transparent;
  margin: 0;
  padding: 0;
  overflow: hidden;
  height: auto;
  max-width: 100%;
}

body.dcb-sim {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--sim-bg);
  color: var(--sim-text);
  -webkit-font-smoothing: antialiased;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.25rem;
  box-sizing: border-box;
  width: 100%;
}

html.dcb-embed body.dcb-sim {
  background: transparent;
  max-width: none;
  padding: 0.625rem;
  overflow-x: hidden;
}

/* Compact embed layout — fits inside case page iframe */
html.dcb-embed .dcb-header {
  margin-bottom: 0.75rem;
}

html.dcb-embed .dcb-header__title {
  font-size: 0.9375rem;
}

html.dcb-embed .dcb-header__sub {
  display: none;
}

html.dcb-embed .dcb-header__row {
  display: none;
}

html.dcb-embed .dcb-badge-mvp {
  display: none;
}

html.dcb-embed .dcb-presets {
  margin-top: 0.5rem;
}

html.dcb-embed .dcb-grid {
  grid-template-columns: minmax(0, 210px) minmax(0, 1fr) minmax(0, 155px);
  align-items: start;
}

@media (max-width: 899px) {
  html.dcb-embed .dcb-grid {
    grid-template-columns: 1fr;
  }
}

html.dcb-embed .dcb-grid {
  gap: 0.625rem;
}

html.dcb-embed .dcb-center,
html.dcb-embed .dcb-inputs,
html.dcb-embed .dcb-kpis {
  align-self: start;
}

html.dcb-embed .dcb-card {
  padding: 0.75rem;
  min-width: 0;
}

html.dcb-embed .dcb-input-group {
  padding-bottom: 0.625rem;
}

html.dcb-embed .dcb-field__name {
  font-size: 0.6875rem;
}

html.dcb-embed .dcb-field__value {
  font-size: 0.6875rem;
}

html.dcb-embed .dcb-field__desc {
  font-size: 0.5625rem;
}

html.dcb-embed .dcb-flow {
  min-height: 220px;
}

html.dcb-embed .dcb-flow__svg {
  max-width: 100%;
  height: auto;
}

html.dcb-embed .dcb-funnel__value {
  font-size: 1rem;
}

html.dcb-embed .dcb-kpi__value {
  font-size: 1.125rem;
}

html.dcb-embed .dcb-bottom {
  margin-top: 0.625rem;
}

html.dcb-embed .dcb-kpis {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (max-width: 899px) {
  html.dcb-embed .dcb-kpis {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

html.dcb-embed .dcb-chart {
  height: 140px;
}

.dcb-header {
  margin-bottom: 1.25rem;
}

.dcb-header__row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.sim-lang-switcher {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
  padding: 0.125rem;
  border: 1px solid var(--sim-border);
  border-radius: 999px;
  background: var(--sim-surface);
}

.sim-lang-btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--sim-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.sim-lang-btn:hover {
  color: var(--sim-text);
}

.sim-lang-btn.is-active {
  background: var(--sim-primary);
  color: #fff;
}

html.dcb-embed .sim-lang-switcher {
  display: none;
}

.dcb-header__title {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
}

.dcb-header__sub {
  font-size: 0.8125rem;
  color: var(--sim-muted);
  margin: 0;
}

.dcb-presets-wrap {
  margin-top: 0.875rem;
}

.dcb-presets__label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sim-muted);
  margin-bottom: 0.375rem;
}

.dcb-presets__hint {
  font-size: 0.6875rem;
  color: var(--sim-muted);
  line-height: 1.45;
  margin: 0.5rem 0 0;
}

.dcb-presets {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.dcb-preset {
  padding: 0.375rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--sim-border);
  border-radius: 999px;
  background: var(--sim-surface);
  color: var(--sim-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.dcb-preset:hover {
  border-color: var(--sim-primary);
  color: var(--sim-primary);
}

.dcb-preset.is-active {
  background: var(--sim-primary);
  border-color: var(--sim-primary);
  color: #fff;
}

.dcb-card {
  background: var(--sim-surface);
  border: 1px solid var(--sim-border);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.dcb-label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sim-muted);
  margin-bottom: 0.5rem;
}

.dcb-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  min-width: 0;
}

.dcb-center,
.dcb-inputs,
.dcb-kpis {
  min-width: 0;
}

@media (min-width: 1024px) {
  .dcb-grid {
    grid-template-columns: 240px 1fr 200px;
    align-items: start;
  }
}

.dcb-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.dcb-input-group {
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--sim-border);
}

.dcb-input-group:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.dcb-input-group__title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sim-primary);
  margin: 0 0 0.625rem;
}

.dcb-field + .dcb-field {
  margin-top: 0.625rem;
}

.dcb-field__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.375rem;
}

.dcb-field__name {
  font-size: 0.75rem;
  font-weight: 600;
}

.dcb-field__value {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--sim-primary);
  font-variant-numeric: tabular-nums;
}

.dcb-field__desc {
  font-size: 0.625rem;
  color: var(--sim-muted);
  line-height: 1.45;
  margin-top: 0.375rem;
}

.dcb-field {
  min-width: 0;
  overflow: hidden;
}

.dcb-range {
  width: 100%;
  max-width: 100%;
  height: 4px;
  accent-color: var(--sim-primary);
  cursor: pointer;
  box-sizing: border-box;
}

.dcb-freq-toggle {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  margin-top: 0.375rem;
}

.dcb-freq-btn {
  padding: 0.375rem 0.25rem;
  font-size: 0.625rem;
  font-weight: 700;
  border: 1px solid var(--sim-border);
  border-radius: 0.5rem;
  background: var(--sim-surface);
  color: var(--sim-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.dcb-freq-btn.is-active {
  background: var(--sim-primary-soft);
  border-color: var(--sim-primary);
  color: var(--sim-primary);
}

.dcb-center {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dcb-flow {
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.dcb-flow__svg {
  width: 100%;
  height: auto;
  display: block;
}

.dcb-flow-edge {
  stroke: var(--sim-border);
  stroke-width: 1.5;
  fill: none;
}

.dcb-flow-edge.is-active {
  stroke: var(--sim-primary);
  stroke-dasharray: 6 4;
  animation: flowDash 1.2s linear infinite;
}

@keyframes flowDash {
  to { stroke-dashoffset: -20; }
}

.dcb-flow-particle {
  fill: var(--sim-primary);
  filter: drop-shadow(0 0 4px rgba(37, 99, 235, 0.5));
}

.dcb-funnel {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.dcb-funnel__stage {
  position: relative;
  padding: 0.625rem 1rem;
  border-radius: 0.625rem;
  border: 1px solid var(--sim-border);
  background: var(--sim-surface);
  cursor: default;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.dcb-funnel__stage:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  z-index: 1;
}

.dcb-funnel__stage--1 { width: 100%; background: linear-gradient(135deg, #eff6ff, #fff); }
.dcb-funnel__stage--2 { width: 88%; background: linear-gradient(135deg, #eef2ff, #fff); }
.dcb-funnel__stage--3 { width: 76%; background: linear-gradient(135deg, #f5f3ff, #fff); }
.dcb-funnel__stage--4 { width: 64%; background: linear-gradient(135deg, #ecfdf5, #fff); }
.dcb-funnel__stage--5 { width: 52%; background: linear-gradient(135deg, #fef3c7, #fff); }
.dcb-funnel__stage--6 { width: 46%; background: linear-gradient(135deg, #ecfdf5, #fff); }
.dcb-funnel__stage--7 { width: 40%; background: linear-gradient(135deg, #fef9c3, #fff); }

.dcb-tip {
  position: relative;
  cursor: help;
  border-bottom: 1px dotted var(--sim-muted);
}

.dcb-tip[data-tip]::after,
.dcb-payback__metric[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  transform: translateX(-50%);
  width: max-content;
  max-width: 240px;
  padding: 0.45rem 0.6rem;
  border-radius: 0.5rem;
  background: #0f172a;
  color: #fff;
  font-size: 0.6875rem;
  line-height: 1.45;
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
  white-space: normal;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  z-index: 30;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
}

.dcb-tip[data-tip]::before,
.dcb-payback__metric[data-tip]::before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: calc(100% + 2px);
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #0f172a;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  z-index: 30;
}

.dcb-tip[data-tip]:hover::after,
.dcb-tip[data-tip]:hover::before,
.dcb-tip[data-tip]:focus-visible::after,
.dcb-tip[data-tip]:focus-visible::before,
.dcb-payback__metric[data-tip]:hover::after,
.dcb-payback__metric[data-tip]:hover::before,
.dcb-payback__metric[data-tip]:focus-visible::after,
.dcb-payback__metric[data-tip]:focus-visible::before {
  opacity: 1;
  visibility: visible;
}

.dcb-kpi-panel {
  margin-bottom: 0.25rem;
}

.dcb-kpi-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.dcb-kpi-panel__head .dcb-label {
  margin: 0;
}

.dcb-kpi-panel__badge {
  flex-shrink: 0;
  font-size: 0.625rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--sim-primary);
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 0.125rem 0.4375rem;
}

.dcb-kpi-panel__lead {
  margin: 0 0 0.625rem;
  font-size: 0.6875rem;
  line-height: 1.45;
  color: var(--sim-muted);
}

.dcb-kpi {
  position: relative;
}

.dcb-kpi__hint {
  margin: 0.375rem 0 0;
  font-size: 0.625rem;
  line-height: 1.45;
  font-weight: 500;
  color: var(--sim-muted);
}

.dcb-kpi--leakage {
  opacity: 0.85;
}

html.dcb-embed .dcb-kpis {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

html.dcb-embed .dcb-kpi__value {
  font-size: 1rem;
}

html.dcb-embed .dcb-kpi__label {
  font-size: 0.5625rem;
  line-height: 1.3;
}

html.dcb-embed .dcb-kpi__hint {
  font-size: 0.5rem;
  line-height: 1.4;
}

html.dcb-embed .dcb-flow {
  min-height: 260px;
}

.dcb-funnel__label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sim-muted);
}

.dcb-funnel__value {
  font-size: 1.25rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.dcb-funnel__conv {
  font-size: 0.625rem;
  color: var(--sim-muted);
  margin-top: 0.125rem;
}

.dcb-funnel__arrow {
  text-align: center;
  color: var(--sim-muted);
  font-size: 0.75rem;
  line-height: 1;
  opacity: 0.5;
}

.dcb-kpis {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.dcb-kpi__value {
  font-size: 1.375rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  color: var(--sim-primary);
  line-height: 1.1;
}

.dcb-kpi__value--warn { color: var(--sim-warning); }
.dcb-kpi__value--danger { color: var(--sim-danger); }

.dcb-kpi__label {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sim-muted);
  margin-top: 0.25rem;
}

.dcb-chart-lead {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  line-height: 1.45;
  color: var(--sim-muted);
}

.dcb-chart {
  width: 100%;
  height: 140px;
}

.dcb-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.75rem;
}

.dcb-chart-legend__item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.6875rem;
  color: var(--sim-muted);
}

.dcb-chart-legend__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dcb-profit {
  background: linear-gradient(180deg, #f0fdf4 0%, #fff 100%);
}

.dcb-profit-notes {
  margin: 0 0 0.875rem;
  padding-left: 1.125rem;
  font-size: 0.6875rem;
  line-height: 1.5;
  color: var(--sim-muted);
}

.dcb-profit-notes li + li {
  margin-top: 0.25rem;
}

.dcb-payback__metric[data-profit-tip] {
  position: relative;
  cursor: help;
}

.dcb-payback {
  border-color: #bfdbfe;
  background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}

.dcb-payback__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.dcb-payback__head .dcb-label {
  margin-bottom: 0;
}

.dcb-payback__status {
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  white-space: nowrap;
}

.dcb-payback__status--ok {
  background: #dcfce7;
  color: #166534;
}

.dcb-payback__status--fail {
  background: #fee2e2;
  color: #991b1b;
}

.dcb-payback__lead {
  font-size: 0.75rem;
  color: var(--sim-muted);
  margin: 0 0 0.875rem;
  line-height: 1.45;
}

.dcb-payback__metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.625rem;
  margin-bottom: 0.875rem;
}

@media (min-width: 640px) {
  .dcb-payback__metrics {
    grid-template-columns: repeat(5, 1fr);
  }
}

.dcb-payback__metric {
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--sim-border);
  border-radius: 0.75rem;
  background: var(--sim-surface);
}

.dcb-payback__metric--highlight {
  border-color: #93c5fd;
  background: #eff6ff;
}

.dcb-payback__metric-label {
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sim-muted);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.dcb-payback__metric-value {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--sim-text);
}

.dcb-payback__metric-value--ok {
  color: #059669;
}

.dcb-payback__metric-value--fail {
  color: #dc2626;
}

.dcb-payback-chart {
  width: 100%;
  height: 140px;
  display: block;
}

.dcb-payback-legend {
  margin-top: 0.5rem;
}

.dcb-bottom {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 768px) {
  .dcb-bottom {
    grid-template-columns: 1fr 1fr;
  }
}

.dcb-diff__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.625rem;
}

.dcb-diff__col-title {
  font-size: 0.6875rem;
  font-weight: 800;
  margin-bottom: 0.375rem;
}

.dcb-diff__col-title--saas { color: var(--sim-muted); }
.dcb-diff__col-title--mvas { color: var(--sim-primary); }

.dcb-diff__list {
  margin: 0;
  padding-left: 1rem;
  font-size: 0.6875rem;
  color: var(--sim-muted);
  line-height: 1.55;
}

.dcb-insights {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dcb-insight {
  display: flex;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  background: var(--sim-primary-soft);
  border-radius: 0.625rem;
  font-size: 0.75rem;
  line-height: 1.45;
  animation: insightIn 0.35s ease;
}

@keyframes insightIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.dcb-insight__icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--sim-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 800;
}

.dcb-badge-mvp {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.5625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: #fef3c7;
  color: #92400e;
  border-radius: 999px;
  margin-left: 0.5rem;
  vertical-align: middle;
}