/* ── Carbon Pricing Simulation Game — Shared Styles ── */

:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #e2e5ea;
  --text: #1a1a2e;
  --text-secondary: #5a5f7a;
  --accent: #0072B2;
  --accent-light: #e6f2fa;
  --warn: #E69F00;
  --danger: #D55E00;
  --success: #009E73;
  --safe: #009E73;
  /* Okabe–Ito–style palette (colour-blind friendly) */
  --firm0: #0072B2; --firm0-bg: #e6f2fa;
  --firm1: #E69F00; --firm1-bg: #fdf6e9;
  --firm2: #009E73; --firm2-bg: #e6f5f0;
  --firm3: #CC79A7; --firm3-bg: #f9eef4;
  --firm4: #D55E00; --firm4-bg: #fdede6;
  --firm5: #F0E442; --firm5-bg: #fdfbeb;
  --firm6: #56B4E9; --firm6-bg: #eaf6fc;
  --firm7: #000000; --firm7-bg: #f0f0f0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
}

/* ── Layout ── */

.container { max-width: 1000px; margin: 0 auto; padding: 1rem; }
.container-narrow { max-width: 520px; margin: 0 auto; padding: 1rem; }

header {
  text-align: center; padding: 1.2rem 1rem 0.8rem;
  border-bottom: 1px solid var(--border); background: var(--card); margin-bottom: 1rem;
}
header h1 { font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; }
header p { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.15rem; }

footer.attribution {
  text-align: center; padding: 1.5rem 1rem; margin-top: 2rem;
  font-size: 0.75rem; color: var(--text-secondary); border-top: 1px solid var(--border);
}
footer.attribution a { color: var(--accent); }

/* ── Regime nav ── */

.regime-nav {
  display: flex; flex-direction: column; align-items: stretch; gap: 0;
  padding: 0.6rem 1rem; background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.regime-nav-row {
  display: flex; gap: 0.35rem; justify-content: center; flex-wrap: wrap;
}
.facilitator-nav-tools { justify-content: center; }
.host-jump-select {
  font-size: 0.82rem; padding: 0.25rem 0.4rem; border-radius: 0.35rem; border: 1px solid var(--border);
  max-width: 12rem;
}
.regime-btn {
  padding: 0.45rem 0.9rem; border: 2px solid var(--border); border-radius: 2rem;
  background: var(--card); font-size: 0.82rem; font-weight: 500; cursor: pointer; transition: all 0.15s;
}
.regime-btn:hover { border-color: var(--accent); }
.regime-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.regime-btn.completed { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }
.regime-btn.locked { opacity: 0.35; cursor: default; pointer-events: none; }

/* ── Cards ── */

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 0.75rem;
  padding: 1.25rem; margin-bottom: 1rem;
}
.card h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.75rem; }
.card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-secondary); }

.info-box {
  padding: 0.9rem; border-radius: 0.5rem; margin-bottom: 1rem; font-size: 0.9rem;
}
.info-box.accent { background: var(--accent-light); border: 1px solid #c8cef0; }
.info-box.warn { background: #fef5e7; border: 1px solid #f9e2b0; }
.info-box.success { background: #eafaf1; border: 1px solid #a9dfbf; }
.info-box.danger { background: #fdf2f2; border: 1px solid #f5c6cb; }

/* ── CO₂ meter ── */

.co2-meter {
  background: #eef6f4; border: 2px solid #2e8b7a; border-radius: 0.75rem;
  padding: 1rem; text-align: center; margin-bottom: 1rem;
}
.co2-meter .ppm-value { font-size: 2.8rem; font-weight: 700; line-height: 1.1; }
.co2-meter .ppm-label { font-size: 0.85rem; color: var(--text-secondary); }
.co2-meter.danger { border-color: var(--danger); background: #fdf2f0; }
.co2-meter.danger .ppm-value { color: var(--danger); }

.co2-spectrum {
  position: relative;
  margin: 2.2rem 0 0.4rem;
  padding-top: 1.3rem;
}
.co2-bands {
  display: flex;
  width: 100%;
  height: 22px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.co2-band {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  transition: filter 0.15s;
}
.co2-band-label {
  font-size: 0.62rem;
  font-weight: 700;
  color: rgba(0,0,0,0.78);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-shadow: 0 0 2px rgba(255,255,255,0.55);
  padding: 0 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
}
.co2-trigger-line {
  position: absolute;
  top: 1.0rem;
  bottom: -0.4rem;
  width: 2px;
  background: #1a1a2e;
  transform: translateX(-1px);
  z-index: 2;
}
.co2-trigger-line::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -3px;
  width: 8px;
  height: 8px;
  background: #1a1a2e;
  border-radius: 50%;
}
.co2-marker {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 3;
  pointer-events: none;
}
.co2-marker-arrow {
  font-size: 0.95rem;
  color: var(--accent);
  line-height: 1;
}
.co2-marker-value {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--card);
  padding: 0 0.3rem;
  border-radius: 0.25rem;
  border: 1px solid var(--accent);
  margin-top: -0.1rem;
}
.co2-meter.danger .co2-marker-arrow,
.co2-meter.danger .co2-marker-value {
  color: var(--danger);
  border-color: var(--danger);
}
.co2-spectrum-axis {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  color: var(--text-secondary);
  gap: 0.5rem;
}
.co2-axis-trigger {
  font-weight: 600;
  color: var(--text);
  text-align: center;
  flex: 1;
}
.co2-spectrum-caption {
  margin-top: 0.55rem;
  font-size: 0.74rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.4;
  text-align: left;
}

.skip-link {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  position: fixed;
  left: 0.75rem;
  top: 0.75rem;
  width: auto;
  height: auto;
  overflow: visible;
  z-index: 10000;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 0.35rem;
  font-weight: 600;
  text-decoration: none;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.chart-wrap {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-height: 220px;
}

.regime-toggle-fieldset {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.65rem 0.85rem;
  margin-top: 0.5rem;
}
.regime-toggle-fieldset legend {
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0 0.35rem;
}
.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-right: 1rem;
  margin-bottom: 0.35rem;
  font-size: 0.88rem;
  cursor: pointer;
}

/* ── Tables ── */

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; margin-bottom: 0.75rem; }
th, td { padding: 0.45rem 0.55rem; text-align: left; border-bottom: 1px solid var(--border); }
th { font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-secondary); background: #fafbfc; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
th.num { text-align: right; }
tr.total { font-weight: 600; background: #fafbfc; }

/* ── Forms ── */

input[type="number"], input[type="text"], select, textarea {
  padding: 0.45rem 0.65rem; border: 1px solid var(--border); border-radius: 0.5rem;
  font-size: 0.88rem; background: var(--card); font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(74,86,168,0.15); }
label { display: block; font-size: 0.82rem; font-weight: 500; margin-bottom: 0.2rem; }
.form-group { margin-bottom: 0.8rem; }

/* ── Buttons ── */

.btn {
  display: inline-block; padding: 0.55rem 1.1rem; border: none; border-radius: 0.5rem;
  font-size: 0.88rem; font-weight: 500; cursor: pointer; transition: all 0.15s; font-family: inherit;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #005a8f; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #219a52; }
.btn-danger { background: var(--danger); color: white; }
.btn-warn { background: var(--warn); color: white; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }
.btn-outline {
  background: transparent; border: 2px solid var(--accent); color: var(--accent);
}
.btn-outline:hover { background: var(--accent-light); }

/* ── Grid helpers ── */

.prod-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.6rem;
}
.prod-input-card {
  padding: 0.7rem; border: 1px solid var(--border); border-radius: 0.5rem; background: #fafbfc;
}
.prod-input-card .firm-name { font-weight: 600; font-size: 0.85rem; margin-bottom: 0.3rem; }
.prod-input-card input { width: 100%; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── Stat rows ── */

.stat-row {
  display: flex; justify-content: space-between; padding: 0.35rem 0;
  border-bottom: 1px solid #f0f1f3; font-size: 0.88rem;
}
.stat-row:last-child { border-bottom: none; }
.stat-label { color: var(--text-secondary); }
.stat-value { font-weight: 600; }

/* ── Badges ── */

.clean-badge { display: inline-block; padding: 0.1rem 0.4rem; border-radius: 0.8rem; font-size: 0.7rem; font-weight: 600; background: #e6f5f0; color: #006b50; border: 1px solid #009E73; }
.dirty-badge { display: inline-block; padding: 0.1rem 0.4rem; border-radius: 0.8rem; font-size: 0.7rem; font-weight: 600; background: #fdede6; color: #8b3a00; border: 1px solid #D55E00; }

/* ── Output + Budget summary box ── */

.efficiency-box {
  background: #f0f0f8; border: 2px solid #8888b0; border-radius: 0.75rem;
  padding: 1rem; margin-bottom: 1rem;
  display: flex; gap: 1rem; flex-wrap: wrap;
}
.efficiency-box .efficiency-metric {
  flex: 1 1 200px; text-align: center; min-width: 0;
}
.efficiency-box .efficiency-value { font-size: 2rem; font-weight: 700; color: #3b3b6b; }
.efficiency-box .efficiency-label { font-size: 0.85rem; color: var(--text-secondary); }

/* When a metric exceeds the safe budget, the inline style sets the .efficiency-metric
 * background; the value text colour also flips to the warning colour so it stays legible. */
.efficiency-box .efficiency-metric[style*="fde8e8"] .efficiency-value { color: #c0392b; }

@media (max-width: 600px) {
  .efficiency-box { flex-direction: column; gap: 0.5rem; }
}

/* ── Debrief boxes ── */

.debrief-box {
  background: #f8f4ff; border: 1px solid #d8cce8; border-radius: 0.5rem;
  padding: 1rem; margin-top: 1rem;
}
.debrief-box h3 { color: #6c3483; }
.debrief-box ul { margin-left: 1.25rem; margin-top: 0.5rem; }
.debrief-box li { margin-bottom: 0.35rem; font-size: 0.88rem; }

/* ── Think prompt ── */

.think-prompt-box {
  background: #f4f9fc; border: 2px dashed #a8c5d4; border-radius: 0.75rem;
  padding: 1rem 1.1rem; margin-top: 1rem; font-size: 0.88rem;
}
.think-prompt-box h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.5rem; }
.think-prompt-box ul { margin-left: 1.25rem; margin-top: 0.4rem; }
.think-prompt-box li { margin-bottom: 0.35rem; }

/* ── Permit valuation details ── */

.permit-valuation-details {
  margin-bottom: 1rem; border: 1px solid var(--border); border-radius: 0.5rem;
  background: #fafbfc; padding: 0.5rem 0.75rem; font-size: 0.88rem;
}
.permit-valuation-details summary { cursor: pointer; font-weight: 600; color: var(--accent); user-select: none; }
.permit-valuation-details .pv-body { margin-top: 0.65rem; padding-top: 0.65rem; border-top: 1px solid var(--border); line-height: 1.55; }
.permit-valuation-details .pv-body p { margin-bottom: 0.55rem; }
.permit-valuation-details .pv-body p:last-child { margin-bottom: 0; }

/* ── Trade log ── */

.trade-log { max-height: 220px; overflow-y: auto; margin-top: 0.75rem; }

/* ── Room / QR section ── */

.room-hero { text-align: center; padding: 2rem 1rem; }
.room-hero .room-code {
  font-size: 3rem; font-weight: 800; letter-spacing: 0.15em;
  color: var(--accent); font-family: 'SF Mono', 'Fira Code', monospace;
}
.room-hero .qr-img { margin: 1rem auto; display: block; border-radius: 0.5rem; }
.room-hero .join-url { font-size: 0.85rem; color: var(--text-secondary); word-break: break-all; }

/* ── Student connection indicators ── */

.connection-dots { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }
.connection-dot {
  width: 10px; height: 10px; border-radius: 50%; background: #bdc3c7;
}
.connection-dot.connected { background: var(--success); }

/* ── Submissions indicator ── */

.submission-status {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 1rem;
  font-size: 0.75rem; font-weight: 600;
}
.submission-status.pending { background: #fef5e7; color: var(--warn); border: 1px solid #f9e2b0; }
.submission-status.received { background: #eafaf1; color: var(--success); border: 1px solid #a9dfbf; }
.sub-cell-note {
  margin-top: 0.2rem;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.form-error {
  margin-top: 0.5rem;
  padding: 0.5rem 0.65rem;
  border-radius: 0.4rem;
  border: 1px solid #f5c6cb;
  background: #fdf2f2;
  color: #a94442;
  font-size: 0.82rem;
}

.industry-totals-card {
  border-left: 4px solid var(--accent);
}

.catastrophe-overlay {
  border: 2px solid var(--danger);
  background: #fff3f0;
}
.catastrophe-overlay h3 {
  color: var(--danger);
  margin-bottom: 0.4rem;
}
.catastrophe-overlay .catastrophe-context {
  margin-top: 0.4rem;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

/* ── Facilitator notes (collapsible) ── */

.facilitator-notes {
  border: 1px dashed var(--border); border-radius: 0.5rem;
  margin-bottom: 1rem; font-size: 0.85rem;
}
.facilitator-notes summary {
  cursor: pointer; padding: 0.5rem 0.75rem; font-weight: 600; color: var(--text-secondary);
  user-select: none;
}
.facilitator-notes .fn-body { padding: 0 0.75rem 0.75rem; }
.facilitator-notes .fn-body p { margin-bottom: 0.4rem; }
.facilitator-notes .fn-body ul { margin-left: 1.25rem; }
.facilitator-notes .fn-body li { margin-bottom: 0.25rem; }

/* ── Real-world PPM context ── */

.ppm-context-box {
  background: #fafbfc; border: 2px solid var(--border); border-radius: 0.75rem;
  padding: 1rem; margin-bottom: 1rem; margin-top: 1rem;
}
.ppm-context-box .ppm-context-level {
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.03em; margin-bottom: 0.4rem;
}
.ppm-context-box p { font-size: 0.88rem; line-height: 1.5; margin-bottom: 0.4rem; }
.ppm-context-box .ppm-context-source,
.ppm-context-source {
  font-size: 0.68rem; color: var(--text-secondary); font-style: italic; margin-top: 0.3rem;
}

/* ── Output + Budget analogy ── */

.efficiency-analogy-box {
  background: #f4f9fc; border: 1px solid #cfe2f3; border-radius: 0.5rem;
  padding: 0.9rem; margin-bottom: 1rem; font-size: 0.88rem; line-height: 1.5;
}

/* ── Kuznets reflection panel (Results screen) ── */

.kuznets-reflection {
  background: #f8f4ff;
  border: 2px solid #b39ddb;
  border-radius: 0.75rem;
  padding: 1.25rem 1.4rem;
  margin-bottom: 1rem;
}
.kuznets-reflection h3 {
  color: #4a148c;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.kuznets-reflection p {
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 0.6rem;
}
.kuznets-reflection p:last-child {
  margin-bottom: 0;
}
.kuznets-reflection .kuznets-pull {
  font-weight: 600;
  color: #4a148c;
}
.kuznets-reflection .kuznets-citation {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-style: italic;
}

/* ── Debrief / proposal UI ── */

.debrief-active-card {
  border-color: var(--warn); border-width: 2px;
}

.debrief-prompt-box {
  background: #fef9e7; border: 1px solid #f9e2b0; border-radius: 0.5rem;
  padding: 0.9rem; font-size: 0.88rem;
}
.debrief-prompt-box p { margin-bottom: 0.4rem; }
.debrief-prompt-box p:last-child { margin-bottom: 0; }

.proposals-list { }

.proposal-card {
  background: #fafbfc; border: 1px solid var(--border); border-radius: 0.5rem;
  padding: 0.65rem 0.85rem; margin-bottom: 0.5rem;
}

.debrief-student-card {
  background: #fef9e7; border: 2px solid var(--warn); border-radius: 0.75rem;
  padding: 1.25rem; margin-bottom: 1rem; text-align: center;
}
.debrief-student-card h3 { color: var(--warn); margin-bottom: 0.5rem; }
.debrief-student-card textarea {
  font-family: inherit; font-size: 0.88rem; padding: 0.6rem;
  border: 1px solid var(--border); border-radius: 0.5rem;
}
.debrief-student-card textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(74,86,168,0.15);
}

/* ── Next regime preview (facilitator only) ── */

.next-regime-preview {
  background: #f4f6fa; border: 1px dashed var(--border); border-radius: 0.5rem;
  padding: 0.9rem; margin-top: 1rem; opacity: 0.7;
}
.next-regime-preview .next-regime-label {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-secondary); font-weight: 600; margin-bottom: 0.2rem;
}

/* ── Utilities ── */

.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }

/* ── Mobile adjustments ── */

@media (max-width: 600px) {
  .two-col { grid-template-columns: 1fr; }
  .container { padding: 0.5rem; }
  header h1 { font-size: 1.15rem; }
  .co2-meter .ppm-value { font-size: 2rem; }
  .co2-band-label { font-size: 0.55rem; letter-spacing: 0; }
  .co2-marker-value { font-size: 0.65rem; }
  .co2-spectrum-axis { font-size: 0.65rem; }
  .regime-nav { padding: 0.4rem 0.5rem; }
  .regime-nav-row { gap: 0.25rem; }
  .regime-btn { padding: 0.35rem 0.6rem; font-size: 0.75rem; }
  .room-hero .room-code { font-size: 2.2rem; }
  .prod-grid { grid-template-columns: 1fr; }
  table { font-size: 0.78rem; }
  th, td { padding: 0.35rem 0.4rem; }
}

/* ── Student-specific (mobile-first) ── */

.student-firm-header {
  background: var(--card); border: 1px solid var(--border); border-radius: 0.75rem;
  padding: 1rem; margin-bottom: 1rem; text-align: center;
}
.student-firm-header .firm-name-large {
  font-size: 1.3rem; font-weight: 700;
}
.student-firm-header .firm-capital {
  font-size: 1.6rem; font-weight: 700; margin-top: 0.25rem;
}

.competitor-card {
  background: #fafbfc;
  border: 1px solid var(--border);
  text-align: center;
}
.competitor-card .competitor-heading {
  margin: 0 0 0.2rem;
  font-size: 1rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.competitor-card .competitor-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
}
.competitor-card .competitor-row { text-align: left; }
.competitor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.6rem;
}
.competitor-row {
  border: 1px solid var(--border);
  border-left: 4px solid #888;
  border-radius: 0.5rem;
  padding: 0.55rem 0.7rem;
  background: #fff;
}
.competitor-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}
.competitor-name {
  font-weight: 700;
}
.competitor-chip {
  font-size: 0.7rem;
  padding: 0.08rem 0.5rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.competitor-chip.clean { color: #2e7d32; }
.competitor-chip.standard { color: #7a7a7a; }
.competitor-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.85rem;
  font-size: 0.8rem;
}
.competitor-stat { display: flex; flex-direction: column; }
.competitor-stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.competitor-stat-value { font-weight: 600; }
.competitor-role {
  margin-top: 0.3rem;
  font-size: 0.78rem;
}
.market-role {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-weight: 600;
}
.market-role.seller { color: #2e7d32; }
.market-role.buyer { color: #b25400; }
.market-role.neutral { color: #6b6b6b; }

.calculator-box {
  background: #fafbfc;
  border: 1px dashed #b8c8d4;
  border-radius: 0.75rem;
  padding: 1rem;
  margin-bottom: 1rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.calculator-box label,
.calculator-box .calc-round-actuals,
.calculator-box .fn-body,
.calculator-box .calc-sim-toggle,
.calculator-box .permit-value-explain {
  text-align: left;
}
.calculator-box h3 { font-size: 0.9rem; margin-bottom: 0.2rem; color: #2471a3; }
.calculator-box .calc-subtitle {
  font-size: 0.78rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 0.55rem;
}
.calculator-box .calc-scratch-badge {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #2471a3;
  background: #eaf4fb;
  border: 1px solid #cfe2f3;
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  margin-right: 0.4rem;
  vertical-align: middle;
}

.calculator-box .calc-breakdown { margin-top: 0.75rem; }
.calculator-box .calc-capital-line { color: var(--text-secondary); }

.calc-round-actuals {
  margin-top: 0.65rem; padding-top: 0.65rem; border-top: 1px solid var(--border);
}
.calc-round-actuals p { margin-bottom: 0.35rem; font-size: 0.84rem; }
.permit-value-explain { margin-bottom: 0.5rem; }
.calculator-result {
  font-size: 1.1rem; font-weight: 700; color: var(--accent);
  padding: 0.5rem; background: white; border-radius: 0.4rem; text-align: center; margin-top: 0.5rem;
}

.submit-section {
  background: var(--card); border: 2px solid var(--accent); border-radius: 0.75rem;
  padding: 1.25rem; margin-bottom: 1rem; text-align: center;
}
.submit-section input[type="number"] {
  font-size: 1.5rem; text-align: center; width: 100%; max-width: 200px;
  padding: 0.6rem; margin-bottom: 0.75rem;
}
.submit-section .btn { font-size: 1rem; padding: 0.7rem 2rem; }
.submit-section.submission-confirmed {
  animation: submissionPulse 0.9s ease;
}
@keyframes submissionPulse {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 158, 115, 0.5); }
  40% { transform: scale(1.02); box-shadow: 0 0 0 8px rgba(0, 158, 115, 0.12); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 158, 115, 0); }
}

.waiting-indicator {
  text-align: center; padding: 2rem 1rem; color: var(--text-secondary);
}
.waiting-indicator .spinner {
  display: inline-block; width: 28px; height: 28px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin 0.8s linear infinite; margin-bottom: 0.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }