/* ==========================================================================
   Kelco Paddle Calculator — WordPress Plugin Stylesheet
   Prefix: kpc-
   All classes scoped under .kpc-wrap to avoid theme conflicts.
   ========================================================================== */

/* ─── Font-face declarations (locally bundled) ─── */

@font-face {
  font-family: 'Outfit';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/Outfit-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Outfit';
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/Outfit-Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'Outfit';
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/Outfit-SemiBold.woff2') format('woff2');
}

@font-face {
  font-family: 'Outfit';
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/Outfit-Bold.woff2') format('woff2');
}

@font-face {
  font-family: 'Outfit';
  font-weight: 800;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/Outfit-ExtraBold.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/IBMPlexMono-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/IBMPlexMono-Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'IBM Plex Mono';
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  src: url('../fonts/IBMPlexMono-SemiBold.woff2') format('woff2');
}

/* ─── CSS custom properties (scoped under .kpc-wrap) ─── */

.kpc-wrap {
  /* Kelco brand palette -- derived from kelco.com.au */
  --kpc-kelco-navy: #1b2a4a;
  --kpc-kelco-blue: #2c5f8a;
  --kpc-kelco-sky: #4a90c4;
  --kpc-kelco-light-blue: #d6e8f7;
  --kpc-kelco-pale: #eef4fa;

  --kpc-bg: #f0f3f7;
  --kpc-surface: #ffffff;
  --kpc-surface-alt: #f7f9fc;
  --kpc-input-bg: #e9edf3;
  --kpc-text: #1b2a4a;
  --kpc-text-secondary: #4a5568;
  --kpc-text-muted: #8494a7;
  --kpc-border: #d0d8e4;
  --kpc-border-light: #e4eaf0;

  --kpc-too-low: #c0392b;
  --kpc-too-low-bg: #fce8e6;
  --kpc-correct: #1e8449;
  --kpc-correct-bg: #e4f5ec;
  --kpc-too-high: #d68910;
  --kpc-too-high-bg: #fef3e2;

  --kpc-shadow-sm: 0 1px 3px rgba(27,42,74,0.06);
  --kpc-shadow: 0 2px 8px rgba(27,42,74,0.08), 0 1px 2px rgba(27,42,74,0.04);
  --kpc-shadow-lg: 0 8px 24px rgba(27,42,74,0.1), 0 2px 8px rgba(27,42,74,0.06);
  --kpc-radius: 10px;
  --kpc-radius-sm: 6px;
}

/* ─── Scoped universal reset ─── */

.kpc-wrap,
.kpc-wrap *,
.kpc-wrap *::before,
.kpc-wrap *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ─── Body-level styles scoped to .kpc-wrap ─── */

.kpc-wrap {
  font-family: 'Outfit', sans-serif;
  background: var(--kpc-bg);
  color: var(--kpc-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ─── Header ─── */

.kpc-header {
  background: var(--kpc-kelco-navy);
  padding: 0 40px;
  display: flex;
  align-items: center;
  height: 50px;
  position: relative;
  overflow: hidden;
}

.kpc-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kpc-kelco-sky), var(--kpc-kelco-blue), var(--kpc-kelco-navy));
}

.kpc-header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kpc-header-logo svg {
  height: 28px;
  width: auto;
}

.kpc-header-logo-text {
  font-weight: 800;
  font-size: 18px;
  color: #fff;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.kpc-header-logo-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  font-weight: 400;
  letter-spacing: 1px;
  margin-left: 2px;
}

.kpc-header-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  font-weight: 400;
}

.kpc-header-nav a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.kpc-header-nav a:hover { color: #fff; }
.kpc-header-nav .kpc-sep { opacity: 0.3; }

/* ─── Page container ─── */

.kpc-container {
  max-width: 1600px;
  width: 95%;
  margin: 0 auto;
  padding: 20px 18px 28px;
}

/* ─── Page header area ─── */

.kpc-page-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.kpc-page-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--kpc-radius);
  background: linear-gradient(135deg, var(--kpc-kelco-blue), var(--kpc-kelco-navy));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--kpc-shadow);
}

.kpc-page-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kpc-page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--kpc-kelco-navy);
  line-height: 1.2;
}

.kpc-page-desc {
  font-size: 12px;
  color: var(--kpc-text-secondary);
  margin-top: 4px;
  line-height: 1.6;
  font-weight: 400;
  text-align: justify;
}

/* ─── Grid layout ─── */

.kpc-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}

@media (min-width: 1200px) {
  .kpc-calc-grid { gap: 28px; }
}

@media (max-width: 860px) {
  .kpc-calc-grid { grid-template-columns: 1fr; }
}

/* ─── Cards ─── */

.kpc-card {
  background: var(--kpc-surface);
  border-radius: var(--kpc-radius);
  box-shadow: var(--kpc-shadow);
  overflow: hidden;
  border: 2px solid var(--kpc-kelco-blue);
}

.kpc-card-header {
  background: var(--kpc-kelco-navy);
  color: #fff;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.kpc-card-header svg {
  width: 16px;
  height: 16px;
  stroke: rgba(255,255,255,0.7);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kpc-card-body {
  padding: 14px 16px;
}

/* ─── Input rows ─── */

.kpc-input-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.kpc-input-row:last-child { margin-bottom: 0; }

.kpc-input-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--kpc-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.kpc-input-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kpc-input-group input {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 10px;
  border: 2px solid var(--kpc-kelco-blue);
  border-radius: var(--kpc-radius-sm);
  background: var(--kpc-input-bg);
  color: var(--kpc-text);
  width: 110px;
  text-align: right;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  outline: none;
}

.kpc-input-group input:focus {
  border-color: var(--kpc-kelco-sky);
  box-shadow: 0 0 0 3px rgba(74,144,196,0.18);
  background: #fff;
}

.kpc-input-group select {
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 500;
  padding: 7px 10px;
  border: 2px solid var(--kpc-kelco-blue);
  border-radius: var(--kpc-radius-sm);
  background: var(--kpc-input-bg);
  color: var(--kpc-text);
  width: 160px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%234a5568'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.kpc-input-group select:focus {
  border-color: var(--kpc-kelco-sky);
  box-shadow: 0 0 0 3px rgba(74,144,196,0.18);
  background-color: #fff;
}

.kpc-checkbox-group {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 10px;
  cursor: pointer;
  user-select: none;
}

.kpc-checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--kpc-kelco-blue);
  cursor: pointer;
  flex-shrink: 0;
}

.kpc-checkbox-group label {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--kpc-kelco-blue);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  cursor: pointer;
  white-space: nowrap;
}

.kpc-btn-reset {
  font-family: 'Outfit', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 5px 12px;
  margin-left: 10px;
  border: none;
  border-radius: 4px;
  background: #c0392b;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}

.kpc-btn-reset:hover {
  background: #a93226;
  box-shadow: 0 2px 6px rgba(192,57,43,0.35);
}

.kpc-btn-reset:active {
  background: #922b21;
}

/* ─── Admin access ─── */

.kpc-admin-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 8px 0;
  cursor: pointer;
  user-select: none;
  opacity: 0.35;
  transition: opacity 0.2s;
}

.kpc-admin-trigger:hover {
  opacity: 0.7;
}

.kpc-admin-trigger svg {
  width: 13px;
  height: 13px;
  stroke: var(--kpc-text-muted);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kpc-admin-trigger span {
  font-size: 10px;
  font-weight: 500;
  color: var(--kpc-text-muted);
  letter-spacing: 0.3px;
}

.kpc-admin-pin-row {
  display: none;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  animation: kpc-fadeIn 0.2s ease;
}

.kpc-admin-pin-row.kpc-visible {
  display: flex;
}

.kpc-admin-pin-input {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 10px;
  border: 2px solid var(--kpc-kelco-blue);
  border-radius: var(--kpc-radius-sm);
  background: var(--kpc-input-bg);
  color: var(--kpc-text);
  width: 80px;
  text-align: center;
  letter-spacing: 4px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.kpc-admin-pin-input:focus {
  border-color: var(--kpc-kelco-sky);
  box-shadow: 0 0 0 3px rgba(74,144,196,0.18);
  background: #fff;
}

.kpc-admin-pin-input.kpc-error {
  border-color: var(--kpc-too-low);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.15);
  animation: kpc-shake 0.3s ease;
}

.kpc-admin-pin-label {
  font-size: 10px;
  color: var(--kpc-text-muted);
  font-weight: 500;
}

.kpc-thresholds-wrapper {
  display: none;
  animation: kpc-slideDown 0.3s ease;
}

.kpc-thresholds-wrapper.kpc-visible {
  display: block;
}

/* Paddle & wire info panel -- visible when admin is locked */

.kpc-paddle-info-panel {
  display: block;
  margin-top: 14px;
  background: var(--kpc-surface);
  border: 2px solid var(--kpc-kelco-blue);
  border-radius: var(--kpc-radius);
  box-shadow: var(--kpc-shadow);
  overflow: hidden;
}

.kpc-paddle-info-panel .kpc-info-panel-header {
  background: var(--kpc-kelco-navy);
  color: #fff;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.kpc-paddle-info-panel .kpc-info-panel-header svg {
  width: 16px;
  height: 16px;
  stroke: rgba(255,255,255,0.7);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kpc-paddle-info-panel .kpc-info-panel-body {
  padding: 14px 16px;
}

.kpc-paddle-info-panel .kpc-info-panel-body p {
  font-size: 12px;
  color: var(--kpc-text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
  text-align: justify;
}

.kpc-paddle-info-panel .kpc-info-panel-body p:last-child {
  margin-bottom: 0;
}

.kpc-paddle-info-panel .kpc-info-panel-body strong {
  color: var(--kpc-text);
}

/* Hide info panel when admin thresholds are visible */

.kpc-thresholds-wrapper.kpc-visible ~ .kpc-paddle-info-panel {
  display: none;
}

.kpc-admin-lock-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  font-weight: 600;
  color: var(--kpc-correct);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-left: 8px;
}

/* ─── Keyframe animations ─── */

@keyframes kpc-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes kpc-slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes kpc-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.kpc-input-unit {
  font-size: 11px;
  color: var(--kpc-kelco-navy);
  font-weight: 700;
  min-width: 40px;
}

.kpc-input-desc {
  font-size: 10.5px;
  color: var(--kpc-kelco-navy);
  grid-column: 1 / -1;
  margin-top: -4px;
  margin-bottom: 4px;
  padding-left: 108px;
  font-weight: 600;
}

/* ─── Computed field ─── */

.kpc-computed-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 10px;
  border: 2px solid var(--kpc-kelco-blue);
  border-radius: var(--kpc-radius-sm);
  background: var(--kpc-kelco-pale);
  color: var(--kpc-kelco-blue);
  width: 110px;
  text-align: right;
}

/* ─── Divider ─── */

.kpc-divider {
  border: none;
  border-top: 1px dashed var(--kpc-border);
  margin: 12px 0;
}

/* ─── Results table ─── */

.kpc-results-table {
  width: 100%;
  border-collapse: collapse;
}

.kpc-results-table th {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--kpc-text-muted);
  text-align: left;
  padding: 7px 8px;
  border-bottom: 2px solid var(--kpc-border);
}

.kpc-results-table th:last-child { text-align: center; }

.kpc-results-table td {
  padding: 8px;
  font-size: 12px;
  border-bottom: 1px solid var(--kpc-border-light);
}

.kpc-results-table tr:last-child td { border-bottom: none; }

.kpc-results-table .kpc-product-name {
  font-weight: 600;
  color: var(--kpc-text);
}

.kpc-results-table .kpc-force-value {
  font-family: 'IBM Plex Mono', monospace;
  font-weight: 600;
  text-align: center;
  font-size: 11px;
}

.kpc-results-table .kpc-status-cell { text-align: center; }

.kpc-status-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.kpc-status-too-low  { background: var(--kpc-too-low-bg);  color: var(--kpc-too-low); }
.kpc-status-correct  { background: var(--kpc-correct-bg);  color: var(--kpc-correct); }
.kpc-status-too-high { background: var(--kpc-too-high-bg); color: var(--kpc-too-high); }
.kpc-status-na       { background: #f2f4f7; color: #b0b8c4; }

/* ─── Legend ─── */

.kpc-legend {
  display: flex;
  gap: 16px;
  margin-top: 12px;
  padding: 10px 14px;
  background: var(--kpc-surface-alt);
  border-radius: var(--kpc-radius-sm);
  border: 1px solid var(--kpc-border-light);
}

.kpc-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  color: var(--kpc-text-secondary);
  font-weight: 500;
}

.kpc-legend-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ─── Diagram card ─── */

.kpc-diagram-card {
  background: var(--kpc-surface);
  border-radius: var(--kpc-radius);
  box-shadow: var(--kpc-shadow);
  padding: 16px;
  border: 2px solid var(--kpc-kelco-blue);
}

.kpc-diagram-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--kpc-kelco-navy);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.kpc-diagram-title svg {
  width: 16px;
  height: 16px;
  stroke: var(--kpc-kelco-blue);
  fill: none;
  stroke-width: 2;
}

.kpc-diagram-svg {
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  display: block;
}

/* ─── Info note ─── */

.kpc-info-note {
  margin-top: 14px;
  background: var(--kpc-kelco-pale);
  border: 1px solid var(--kpc-kelco-light-blue);
  border-left: 4px solid var(--kpc-kelco-blue);
  border-radius: 0 var(--kpc-radius-sm) var(--kpc-radius-sm) 0;
  padding: 12px 14px;
}

.kpc-info-note p {
  font-size: 11px;
  color: var(--kpc-text-secondary);
  line-height: 1.7;
  font-weight: 400;
}

.kpc-info-note strong {
  color: var(--kpc-kelco-navy);
  font-weight: 600;
}

/* ─── Thresholds editor ─── */

.kpc-thresholds-card {
  margin-top: 14px;
  background: var(--kpc-surface);
  border-radius: var(--kpc-radius);
  box-shadow: var(--kpc-shadow);
  overflow: hidden;
  border: 2px solid var(--kpc-kelco-blue);
}

.kpc-thresholds-card .kpc-card-header {
  background: var(--kpc-kelco-blue);
}

.kpc-threshold-row {
  display: grid;
  grid-template-columns: 1fr 70px 70px 70px;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-bottom: 1px solid var(--kpc-border-light);
}

.kpc-threshold-row:last-child { border-bottom: none; }

.kpc-threshold-row.kpc-header-row {
  background: var(--kpc-surface-alt);
  padding: 10px 18px;
  border-bottom: 2px solid var(--kpc-border);
}

.kpc-threshold-row.kpc-header-row span {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--kpc-text-muted);
  text-align: center;
}

.kpc-threshold-row.kpc-header-row span:first-child { text-align: left; }

.kpc-threshold-input {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  padding: 4px 6px;
  border: 2px solid var(--kpc-kelco-blue);
  border-radius: 5px;
  background: var(--kpc-input-bg);
  color: var(--kpc-text);
  width: 100%;
  text-align: right;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.kpc-threshold-input:focus {
  border-color: var(--kpc-kelco-sky);
  box-shadow: 0 0 0 3px rgba(74,144,196,0.18);
  background: #fff;
}

.kpc-threshold-actions {
  padding: 12px 18px;
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--kpc-border-light);
  flex-wrap: wrap;
}

.kpc-btn-add-product {
  font-family: 'Outfit', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border: 2px dashed var(--kpc-border);
  border-radius: 5px;
  background: transparent;
  color: var(--kpc-text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.kpc-btn-add-product:hover {
  border-color: var(--kpc-kelco-sky);
  color: var(--kpc-kelco-blue);
  background: var(--kpc-kelco-pale);
}

.kpc-btn-remove {
  font-size: 14px;
  background: none;
  border: none;
  color: #ccc;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  transition: color 0.2s;
}

.kpc-btn-remove:hover { color: var(--kpc-too-low); }

.kpc-threshold-name-cell {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpc-re-warning {
  color: var(--kpc-too-low);
  font-weight: 600;
  font-size: 11px;
}

.kpc-paddle-warning {
  margin-top: 4px;
  margin-bottom: 8px;
  padding: 8px 12px;
  background: var(--kpc-too-high-bg);
  border: 1px solid var(--kpc-too-high);
  border-left: 4px solid var(--kpc-too-high);
  border-radius: 0 var(--kpc-radius-sm) var(--kpc-radius-sm) 0;
  font-size: 11px;
  font-weight: 500;
  color: var(--kpc-too-high);
  line-height: 1.5;
  display: none;
}

/* ─── Footer ─── */

.kpc-footer {
  margin-top: 24px;
  padding: 16px 0;
  border-top: 2px solid var(--kpc-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 11px;
  color: var(--kpc-text-muted);
  font-weight: 400;
}

.kpc-footer a {
  color: var(--kpc-kelco-blue);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.kpc-footer a:hover { color: var(--kpc-kelco-navy); }

.kpc-footer .kpc-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--kpc-border);
  flex-shrink: 0;
}

.kpc-disclaimer {
  margin-top: 12px;
  padding: 14px 18px;
  background: var(--kpc-surface-alt);
  border: 1px solid var(--kpc-border-light);
  border-radius: var(--kpc-radius-sm);
  font-size: 10px;
  color: var(--kpc-text-muted);
  line-height: 1.7;
  text-align: justify;
}

.kpc-disclaimer strong {
  color: var(--kpc-text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 9px;
}

/* ─── Pipe diagram SVG refinements ─── */

.kpc-water-particle {
  animation: kpc-float-particle 3s ease-in-out infinite;
  opacity: 0.4;
}

@keyframes kpc-float-particle {
  0%, 100% { opacity: 0.2; transform: translateY(0); }
  50% { opacity: 0.5; transform: translateY(-3px); }
}

.kpc-water-particle:nth-child(2) { animation-delay: 0.3s; }
.kpc-water-particle:nth-child(3) { animation-delay: 0.6s; }
.kpc-water-particle:nth-child(4) { animation-delay: 0.9s; }
.kpc-water-particle:nth-child(5) { animation-delay: 1.2s; }
.kpc-water-particle:nth-child(6) { animation-delay: 1.5s; }
.kpc-water-particle:nth-child(7) { animation-delay: 1.8s; }
.kpc-water-particle:nth-child(8) { animation-delay: 2.1s; }
.kpc-water-particle:nth-child(9) { animation-delay: 2.4s; }
.kpc-water-particle:nth-child(10) { animation-delay: 2.7s; }

/* ─── Responsive ─── */

@media (max-width: 860px) {
  .kpc-header { padding: 0 20px; }
  .kpc-container { padding: 24px 16px; width: 100%; }
  .kpc-page-header { flex-direction: column; gap: 12px; }
  .kpc-legend { flex-direction: column; gap: 10px; }
  .kpc-diagram-svg { max-width: 280px; }
}