/* CSM ROI Calculator — scoped to .csm-roi-wrap */

.csm-roi-wrap {
  --csm-accent:       #3E8BFD;
  --csm-accent-dark:  #1a6fd4;
  --csm-accent-bg:    #e8f1ff;
  --csm-text:         #1a1a2e;
  --csm-muted:        #6b7280;
  --csm-border:       #e5e7eb;
  --csm-bg:           #ffffff;
  --csm-result-bg:    #f8fafb;
  --csm-radius:       12px;
  --csm-shadow:       0 4px 24px rgba(0,0,0,0.08);

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--csm-text);
  max-width: 900px;
  margin: 0 auto;
  padding: 0;
}

/* ── Header ──────────────────────────────────────────────── */

.csm-roi-header {
  text-align: center;
  margin-bottom: 2rem;
}

.csm-roi-title {
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 .5rem;
  color: var(--csm-text);
}

.csm-roi-subtitle {
  font-size: 1rem;
  color: var(--csm-muted);
  margin: 0;
}

/* ── Two-column layout ───────────────────────────────────── */

.csm-roi-layout {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 680px) {
  .csm-roi-layout {
    grid-template-columns: 1fr;
  }
}

/* ── Section label ───────────────────────────────────────── */

.csm-roi-section-label {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--csm-muted);
  margin: 0 0 1.25rem;
}

/* ── Inputs panel ────────────────────────────────────────── */

.csm-roi-inputs {
  background: var(--csm-bg);
  border: 1px solid var(--csm-border);
  border-radius: var(--csm-radius);
  padding: 1.5rem;
  box-shadow: var(--csm-shadow);
}

.csm-roi-field {
  margin-bottom: 1.75rem;
}

.csm-roi-field:last-of-type {
  margin-bottom: 1.25rem;
}

.csm-roi-field-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: .5rem;
}

.csm-roi-field-header label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--csm-text);
  cursor: default;
}

.csm-roi-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--csm-accent);
  min-width: 3.5rem;
  text-align: right;
}

/* Range slider */

input[type="range"].csm-roi-field + div,
.csm-roi-field input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: linear-gradient(
    to right,
    var(--csm-accent) 0%,
    var(--csm-accent) var(--fill, 14%),
    var(--csm-border) var(--fill, 14%),
    var(--csm-border) 100%
  );
  border-radius: 99px;
  outline: none;
  cursor: pointer;
}

.csm-roi-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--csm-accent);
  box-shadow: 0 1px 4px rgba(0,0,0,.15);
  cursor: grab;
  transition: border-color .15s, box-shadow .15s;
}

.csm-roi-field input[type="range"]::-webkit-slider-thumb:active {
  cursor: grabbing;
  box-shadow: 0 0 0 4px rgba(29,127,94,.2);
}

.csm-roi-field input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--csm-accent);
  box-shadow: 0 1px 4px rgba(0,0,0,.15);
  cursor: grab;
}

.csm-roi-range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: .3rem;
  font-size: .72rem;
  color: var(--csm-muted);
}

.csm-roi-disclaimer {
  font-size: .75rem;
  color: var(--csm-muted);
  margin: 0;
  line-height: 1.4;
}

/* ── Results panel ───────────────────────────────────────── */

.csm-roi-results {
  background: var(--csm-result-bg);
  border: 1px solid var(--csm-border);
  border-radius: var(--csm-radius);
  padding: 1.5rem;
  box-shadow: var(--csm-shadow);
}

/* Breakdown list */

.csm-roi-breakdown {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.csm-roi-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--csm-border);
}

.csm-roi-item:first-child {
  padding-top: 0;
}

.csm-roi-item-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--csm-accent-bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--csm-accent);
  margin-top: 2px;
}

.csm-roi-item-icon svg {
  width: 16px;
  height: 16px;
}

.csm-roi-item-body {
  flex: 1;
  min-width: 0;
}

.csm-roi-item-label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--csm-text);
  line-height: 1.3;
}

.csm-roi-item-desc {
  display: block;
  font-size: .75rem;
  color: var(--csm-muted);
  margin-top: .15rem;
  line-height: 1.35;
}

.csm-roi-item-amount {
  flex-shrink: 0;
  font-size: .95rem;
  font-weight: 700;
  color: var(--csm-accent);
  white-space: nowrap;
  align-self: center;
}

/* Total block */

.csm-roi-total-block {
  background: var(--csm-accent);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
  color: #fff;
}

.csm-roi-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
}

.csm-roi-total-label {
  font-size: .8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  opacity: .85;
}

.csm-roi-total-amount {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1;
}

.csm-roi-monthly-row {
  margin-top: .35rem;
  font-size: .85rem;
  opacity: .9;
}

.csm-roi-payback-row {
  margin-top: .25rem;
  font-size: .8rem;
  opacity: .75;
}

.csm-roi-payback-row strong {
  opacity: 1;
}

/* CTA button */

.csm-roi-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  width: 100%;
  padding: .8rem 1.25rem;
  background: var(--csm-accent);
  color: #fff !important;
  font-size: .95rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none !important;
  transition: background .15s, transform .1s;
  box-sizing: border-box;
}

.csm-roi-cta:hover {
  background: var(--csm-accent-dark);
  transform: translateY(-1px);
}

.csm-roi-cta:active {
  transform: translateY(0);
}