.form-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
      padding: 22px 20px 20px;
      background:
        linear-gradient(180deg, rgba(248,250,252,0.78), rgba(255,255,255,0.38));
    }

    .field {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .input-with-button {
  position: relative;
}

.input-with-button input {
  width: 100%;
  padding-right: 82px;
}

.inline-add-button {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);

  width: 58px;
  height: 38px;
  min-height: 38px;
  padding: 0;

  border-radius: 6px;

  background: rgba(255,255,255,0.06);
  color: var(--muted);

  border: 1px solid var(--border);

  font-size: 12px;
  font-weight: 800;

  box-shadow: none;
  transition: none;

  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.inline-add-button:hover,
.inline-add-button:focus,
.inline-add-button:active {
  background: rgba(255,255,255,0.10);
  color: var(--ink);

  transform: translateY(-50%) !important;
  box-shadow: none !important;
  transition: none !important;
}

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

    .helper {
      font-size: 12px;
      color: var(--muted);
      margin: 0;
    }
    .section-divider {
  grid-column: 1 / -1;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--border),
    transparent
  );
  margin: 4px 0;
}
    .split-lay-panel {
  display: grid;
  gap: 18px;
}

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

.section-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.88), rgba(248,250,252,0.74));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.72),
    var(--shadow-soft);
}

.supply-card {
  border-left: 6px solid #3b82f6;
}

.supply-2-card {
  border-left-color: #06b6d4;
}

.attack-card {
  border-left: 6px solid #f97316;
}

.attack-2-card {
  border-left-color: #ef4444;
}

.split-attack-sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.split-attack-sections.two-lines {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 720px) {
  .split-lay-grid,
  .split-attack-sections.two-lines {
    grid-template-columns: 1fr;
  }
}

    .mode-buttons,
.pressure-buttons {
  display: grid;
  gap: 10px;
  padding-top: 4px;
}

.mode-buttons {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
    #splitSectionButtons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;

  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;

  background: var(--surface-strong);
  overflow: hidden;
}
    #splitAttackLineButtons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;

  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;

  background: var(--surface-strong);
  overflow: hidden;
}

#modeButtons {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding-top: 2px;
}

#modeButtons button {
  width: 100%;
  min-height: 42px;
  padding: 7px 8px;

  font-size: 13px;
  line-height: 1.1;

  border-radius: 9px;
}

#modeButtons button.active {
  background: var(--button);
  color: var(--button-text);
  box-shadow:
    inset 0 0 0 2px var(--accent),
    var(--accent-glow);
  z-index: 2;
}

#modeButtons button {
  position: relative;
}

#splitSectionButtons button {
  position: relative;

  border: none;
  border-radius: 0;
  min-height: 48px;

  background: transparent;
  box-shadow: none;
}
    #splitAttackLineButtons button {
  position: relative;

  border: none;
  border-radius: 0;
  min-height: 48px;

  background: transparent;
  box-shadow: none;
}

#splitSectionButtons button.active {
  background: var(--button);
  color: var(--button-text);
  box-shadow: inset 0 -2px 0 var(--accent);
}
    #splitAttackLineButtons button.active {
  background: var(--button);
  color: var(--button-text);
  box-shadow: inset 0 -2px 0 var(--accent);
}

#splitSectionButtons button:first-child {
  border-right: 1px solid var(--border);
  z-index: 2;
}

    #splitAttackLineButtons button:first-child {
  border-right: 1px solid var(--border);
  z-index: 2;
}

#splitAttackLineButtons button:last-child {
  z-index: 1;
}

#splitSectionButtons button:last-child {
  z-index: 1;
}
    #pumpChartButtons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;

  margin-top: 10px;

  border: 1px solid var(--border);
  border-radius: 10px;

  background: var(--surface-strong);
  overflow: hidden;
}

#pumpChartButtons button,
#pumpChartButtons .nav-button-link {
  position: relative;

  border: none;
  border-radius: 0;
  min-height: 48px;

  background: transparent;
  color: var(--ink);
  font-weight: 800;
  box-shadow: none;
}

#pumpChartButtons button.mode-card-pro {
  padding-left: 12px;
}

#pumpChartButtons button.active,
#pumpChartButtons .nav-button-link.active {
  background: var(--button);

  color: var(--button-text);

  backdrop-filter: none;

  box-shadow: inset 0 -2px 0 var(--accent);
}

  #pumpChartButtons button:first-child {
  border-right: 1px solid var(--border);
}  
.pressure-buttons {
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

    .mode-buttons button {
  padding: 10px 12px;
  text-align: center;
  line-height: 1.2;
  box-shadow: var(--shadow-soft);
}

#modeButtons button,
.pressure-buttons button {
  background:
    linear-gradient(180deg, #ffffff, #f4f7fa);
  border-color: #c7d1de;
  color: #111827;
  -webkit-text-fill-color: #111827;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 2px 5px rgba(17, 24, 39, 0.06);
}

.pressure-buttons button {
  min-height: 48px;
}

#modeButtons button.active,
.pressure-buttons button.active {
  background:
    linear-gradient(180deg, #172033, #0b1220);
  color: var(--button-text);
  -webkit-text-fill-color: var(--button-text);
  border-color: #0b1220;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -3px 0 var(--accent),
    0 10px 22px rgba(11, 18, 32, 0.18),
    var(--accent-glow);
}

.compact-toggle-field {
  gap: 5px;
  margin: -2px 0 0;
}

.compact-toggle-field .helper {
  font-size: 11px;
  line-height: 1.25;
  color: var(--muted);
}

.toggle-button {
  min-height: 48px;
  padding: 10px 14px;
  background:
    linear-gradient(180deg, #ffffff, #f4f7fa);
  border-color: #c7d1de;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 2px 5px rgba(17, 24, 39, 0.06);
}

.toggle-button.active {
  background:
    linear-gradient(180deg, #172033, #0b1220);
  color: var(--button-text);
  border-color: #0b1220;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -3px 0 var(--accent),
    0 10px 22px rgba(11, 18, 32, 0.18),
    var(--accent-glow);
}

.pump-chart-card {
  margin-bottom: 14px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(244,248,251,0.92));
  border-color: rgba(184, 195, 209, 0.86);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 8px 24px rgba(17, 24, 39, 0.065);
}

.pump-chart-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(184, 195, 209, 0.7);
}

.pump-chart-card-title {
  font-size: 22px;
  line-height: 1.15;
}

.pump-chart-card-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 8px 10px;
  border-radius: 6px;
  background: #111827;
  color: #ffffff;
  -webkit-text-fill-color: #ffffff;
  white-space: nowrap;
  box-shadow:
    inset 0 -2px 0 var(--accent),
    0 0 14px rgba(217, 92, 19, 0.12);
}

.pump-chart-card-result {
  font-size: clamp(38px, 9vw, 52px);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: 0;
  color: #0b1220;
}

.pump-chart-card-summary {
  color: var(--muted);
  font-size: 15px;
  font-weight: 750;
  line-height: 1.45;
  padding-top: 2px;
}

.pump-chart-card-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(184, 195, 209, 0.7);
}

.pump-chart-card-actions .small-button {
  flex: 1;
  padding: 12px;
  min-height: 50px;
  background:
    linear-gradient(180deg, #ffffff, #eef4f8),
    linear-gradient(90deg, rgba(217,92,19,0.055), transparent 42%);
  border-color: rgba(184, 195, 209, 0.78);
  color: #111827;
  -webkit-text-fill-color: #111827;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.92),
    inset 0 -1px 0 rgba(55,84,111,0.08),
    0 2px 8px rgba(17, 24, 39, 0.07);
}

.pump-chart-card-actions .small-button[onclick^="deletePumpChartPreset"] {
  background:
    linear-gradient(180deg, #fff7ed, #ffedd5),
    linear-gradient(90deg, rgba(217,92,19,0.08), transparent 45%);
  border-color: rgba(249, 115, 22, 0.76);
  color: #7c2d12;
  -webkit-text-fill-color: #7c2d12;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.72),
    inset 0 -2px 0 rgba(249,115,22,0.52),
    0 0 0 2px rgba(249,115,22,0.08),
    0 4px 12px rgba(124, 45, 18, 0.08);
}

    .pressure-buttons {
      grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    }

    .mode-card-pro {
  position: relative;
  overflow: hidden;
  opacity: 1;
  border-style: solid;
}
  .mode-card-pro:hover {
  opacity: 1;
}  

body:not(.access-ready) .mode-card-pro::after {
  display: none;
}

.mode-card-pro::after {
  content: "PRO";
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 1;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  background: #111827;
  color: #ffffff !important;
  -webkit-text-fill-color: #ffffff !important;
  padding: 3px 6px;
  border-radius: 4px;
  line-height: 1;
  text-shadow: none;
  mix-blend-mode: normal;
  pointer-events: none;
}
body.pro-user .mode-card-pro::after {
  display: none;
}

body.pro-user .mode-card-pro {
  opacity: 1;
  border-style: solid;
}

body.pro-user .mode-card-pro.active {
  background: var(--button);
  color: var(--button-text);
  border-color: var(--button);
  box-shadow: var(--accent-glow);
}

.pro-price-card {
  margin: 18px 0;
  padding: 16px;
  text-align: center;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.04);
  color: #111827;
}

.pro-price-card p,
.pro-price-card strong,
.pro-price-card span {
  color: #111827;
}

.pro-price-card p {
  margin: 0;
  opacity: .75;
}

.pro-price-card strong {
  display: block;
  margin: 6px 0;
  font-size: 1.35rem;
}

.pro-price-card span {
  display: block;
  font-size: .9rem;
  opacity: .75;
}

#proModal .pro-feature-list div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

#proModal .pro-feature-list span {
  font-size: .85rem;
  opacity: .78;
}

.pro-modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
  backdrop-filter: blur(6px);
}
  .pro-modal[hidden] {
  display: none;
}  

.pro-modal-content {
  width: min(460px, 100%);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,250,252,0.94)),
    var(--card);
  border: 1px solid rgba(184, 195, 209, 0.92);
  border-top: 4px solid var(--accent);
  border-radius: 12px;
  padding: 24px;
  padding-bottom: max(28px, env(safe-area-inset-bottom));
  box-shadow:
    0 1px 0 rgba(255,255,255,0.85) inset,
    0 22px 60px rgba(0,0,0,0.34),
    0 0 28px rgba(217, 92, 19, 0.12);
  position: relative;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
.pro-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 7px 11px;
  border-radius: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  background:
    linear-gradient(180deg, #172033, #0b1220);
  border: 1px solid #111827;
  color: #ffffff;
  font-weight: 850;
  box-shadow:
    inset 0 -2px 0 var(--accent),
    0 0 18px rgba(217, 92, 19, 0.16);
}
    .modal-close-button {
  width: 40px;
  height: 40px;
  min-height: 40px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 900;
  padding: 0;
}

.pro-modal-subtitle {
  margin: 18px 0 20px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.45;
  font-weight: 650;
}

.pro-feature-list {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

#proModal .pro-feature-list div {
  padding: 14px 16px 14px 18px;
  border: 1px solid rgba(184, 195, 209, 0.86);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,250,252,0.82));
  color: #111827 !important;
  -webkit-text-fill-color: #111827;
  text-shadow: none;
  font-weight: 800;
  position: relative;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.78),
    0 3px 10px rgba(17, 24, 39, 0.045);
}

#proModal .pro-feature-list div::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--feature-color, var(--accent));
  box-shadow: 0 0 18px rgba(217, 92, 19, 0.18);
}

#proModal .pro-feature-list div:nth-child(1) {
  --feature-color: #2563eb;
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,250,252,0.82));
}

#proModal .pro-feature-list div:nth-child(2) {
  --feature-color: #d95c13;
  background:
    linear-gradient(90deg, rgba(217, 92, 19, 0.1), transparent 40%),
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,250,252,0.82));
}

#proModal .pro-feature-list div:nth-child(3) {
  --feature-color: #0f766e;
  background:
    linear-gradient(90deg, rgba(15, 118, 110, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,250,252,0.82));
}

#proModal .pro-feature-list div:nth-child(4) {
  --feature-color: #7c3aed;
  background:
    linear-gradient(90deg, rgba(124, 58, 237, 0.08), transparent 40%),
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,250,252,0.82));
}

.pro-modal-footer {
  color: #475569;
  font-weight: 750;
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 14px;
  padding-top: 14px;
  line-height: 1.35;
  opacity: 0.75;
}

.pro-modal-content > button {
  width: 100%;
  margin-top: 10px;
}

#restorePurchaseButton {
  border-color: #b8c3d1;
  background:
    linear-gradient(180deg, #ffffff, #f3f6f9);
  color: #111827;
  -webkit-text-fill-color: #111827;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 2px 8px rgba(17, 24, 39, 0.05);
}

#buyProButton:not(:disabled) {
  background:
    linear-gradient(180deg, #172033, #0b1220);
  color: #ffffff;
  border-color: #0b1220;
  box-shadow:
    inset 0 -3px 0 var(--accent),
    var(--accent-glow);
}
    @media (max-width: 720px) {

  #pumpChartModal {
    align-items: stretch;
    justify-content: stretch;
    padding: 0;
  }

  #pumpChartModal .pro-modal-content {
  width: 100%;
  max-height: 100vh;
  min-height: 100vh;

  border-radius: 0;
  border-left: none;
  border-right: none;

  padding:
    calc(52px + env(safe-area-inset-top))
    16px
    calc(32px + env(safe-area-inset-bottom));

  overflow-y: auto;
}

  #pumpChartModal .pro-modal-header {
    align-items: flex-start;
  }

}

    .split-inline-toggle {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;

  padding: 0.9rem 1rem;

  border: 1px solid var(--border);
  border-radius: 10px;

  background: var(--surface);

  font-size: 15px;
  font-weight: 700;

  cursor: pointer;
}

.split-inline-toggle input {
  appearance: auto;
  -webkit-appearance: checkbox;

  width: 20px;
  min-width: 20px;
  height: 20px;

  margin: 2px 0 0 0;

  accent-color: #4f8cff;

  cursor: pointer;
}

@media (prefers-color-scheme: dark) {

  #proModal .pro-price-card {
    border-color: rgba(148, 163, 184, 0.34);
    background: rgba(15, 23, 42, 0.86);
    color: #f8fafc;
  }

  #proModal .pro-price-card p,
  #proModal .pro-price-card strong,
  #proModal .pro-price-card span {
    color: #f8fafc;
    -webkit-text-fill-color: #f8fafc;
  }

  #proModal #buyProButton,
  #proModal #restorePurchaseButton {
    background:
      linear-gradient(180deg, rgba(23,32,51,0.94), rgba(17,24,39,0.92));
    border-color: rgba(148, 163, 184, 0.34);
    color: #f8fafc;
    -webkit-text-fill-color: #f8fafc;
  }

  #proModal #buyProButton:disabled,
  #proModal #restorePurchaseButton:disabled {
    color: #94a3b8;
    -webkit-text-fill-color: #94a3b8;
  }

  .split-inline-toggle {
    background: rgba(255,255,255,0.02);
  }

}

    .toggle-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
    }

    .small-button {
      height: 36px;
      padding: 0 14px;
      font-size: 14px;
      width: auto;
      border-radius: 8px;
    }

    .appliance-loss-row {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .appliance-loss-row input {
      flex: 1;
    }

    .sign-toggle-button {
      width: 64px;
      min-height: 48px;
      flex-shrink: 0;
    }

    .disabled-explanations {
      margin-top: 10px;
      display: grid;
      gap: 8px;
    }

    .disabled-note {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 10px 12px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 650;
    }

    .calculated-pressure-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 14px;
    }

    .calculated-pressure-card strong {
      display: block;
      font-size: 28px;
      color: var(--ink);
      line-height: 1.1;
      margin-top: 4px;
    }