.backtest-form-card,
.option-start-card,
.option-leg-builder { margin-bottom: 18px; }
.backtest-form-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.strategy-parameter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; padding: 14px; background: var(--ot-panel-3); border: 1px solid var(--ot-line); border-radius: 11px; }
.backtest-stat-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.backtest-summary-panel { margin-bottom: 16px; }
.backtest-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.compact-table { min-width: 960px; font-size: .82rem; }
.options-start-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.options-stat-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.options-main-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .45fr); gap: 16px; margin-bottom: 16px; align-items: start; }
.options-control-panel form + form { margin-top: 9px; }
.option-leg-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.option-position-table { min-width: 1400px; }
.options-greek-grid { display: grid; grid-template-columns: minmax(300px, .45fr) minmax(0, 1.55fr); gap: 16px; margin: 16px 0; }
@media (max-width: 1200px) {
  .backtest-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .options-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .backtest-form-grid, .options-start-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strategy-parameter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .option-leg-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .options-main-grid, .options-greek-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .backtest-chart-grid { grid-template-columns: 1fr; }
  .backtest-form-grid, .options-start-grid, .strategy-parameter-grid, .option-leg-grid { grid-template-columns: 1fr; }
  .backtest-form-grid .span-2, .options-start-grid .span-2, .option-leg-grid .span-2 { grid-column: auto; }
  .backtest-stat-grid, .options-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1001px) {
  .lab-tool-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lab-tool-grid > .tool-card { grid-column: span 2; }
  .lab-tool-grid > .tool-card:nth-last-child(-n+2) { grid-column: span 3; }
}

/* XSP 0DTE intraday simulator */
.field-help {
  display: block;
  margin-top: 5px;
  color: var(--ot-muted, #9da8b5);
  font-size: .76rem;
  line-height: 1.35;
}
.intraday-start-setting.is-hidden { display: none; }
.intraday-session-card { margin-bottom: 16px; }
.session-clock-row {
  display: grid;
  grid-template-columns: auto minmax(160px, 1fr) auto;
  gap: 12px;
  align-items: center;
  margin-top: 10px;
  font-size: .82rem;
}
.session-progress-track {
  position: relative;
  height: 10px;
  overflow: visible;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--ot-line);
  border-radius: 999px;
}
.session-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(84,125,255,.48), rgba(84,210,255,.78));
  border-radius: inherit;
}
.session-progress-marker {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  border: 2px solid #0d1117;
  border-radius: 50%;
  background: #79dcff;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 3px rgba(121,220,255,.16);
}
.session-clock-summary {
  margin: 12px 0 0;
  color: var(--ot-muted, #aeb7c2);
  font-size: .84rem;
}
.options-control-panel select { min-width: 0; }
.option-leg-builder input:disabled,
.option-leg-builder select:disabled,
.options-control-panel button:disabled {
  cursor: not-allowed;
  opacity: .58;
}
.status-badge.danger {
  color: #ffb7b7;
  border-color: rgba(255,88,88,.42);
  background: rgba(255,88,88,.12);
}
@media (max-width: 760px) {
  .session-clock-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* Classic 0DTE v1.1 additions */
.lab-stat small { display: block; margin-top: 4px; color: var(--muted, #9aa6b2); font-size: 0.72rem; font-weight: 500; }
.session-clock-row strong small { font-size: 0.72rem; color: var(--muted, #9aa6b2); font-weight: 500; }
.stacked-form { display: grid; gap: 8px; }
.imported-position-field.is-hidden { display: none; }


.alignment-warning {
  display: grid;
  gap: 0.35rem;
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 184, 77, 0.5);
  border-radius: 10px;
  background: rgba(255, 184, 77, 0.10);
  color: var(--text-primary, #f4f7fb);
}

.alignment-warning.error {
  border-color: rgba(255, 102, 122, 0.55);
  background: rgba(255, 102, 122, 0.10);
}

.alignment-warning strong {
  font-size: 0.94rem;
}

.alignment-warning span {
  color: var(--text-secondary, #b8c2d2);
  line-height: 1.45;
}


/* XSP 0DTE consecutive step control */
.step-multiple-form {
  display: grid;
  grid-template-columns:
    minmax(145px, 1fr)
    minmax(95px, 0.55fr)
    auto;
  gap: 9px;
  align-items: end;
}

.step-multiple-form .field-group {
  min-width: 0;
  margin: 0;
}

.step-multiple-form input,
.step-multiple-form select {
  width: 100%;
}

.step-multiple-form .button {
  min-height: 42px;
  white-space: nowrap;
}

@media (max-width: 560px) {
  .step-multiple-form {
    grid-template-columns: 1fr 1fr;
  }

  .step-multiple-form .button {
    grid-column: 1 / -1;
    width: 100%;
  }
}


/* Atomic multi-leg option ticket */
.multi-leg-ticket-head,
.multi-leg-row {
  display: grid;
  grid-template-columns:
    42px
    minmax(88px, 0.7fr)
    minmax(84px, 0.7fr)
    minmax(105px, 1fr)
    minmax(126px, 1.15fr)
    minmax(72px, 0.6fr)
    minmax(112px, 1fr)
    minmax(78px, auto);
  gap: 8px;
  align-items: end;
}

.multi-leg-ticket-head {
  padding: 0 8px 7px;
  color: var(--muted, #9aa6b2);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.multi-leg-ticket-rows {
  display: grid;
  gap: 10px;
}

.multi-leg-row {
  padding: 10px;
  border: 1px solid var(--ot-line, rgba(255,255,255,.12));
  border-radius: 10px;
  background: rgba(255,255,255,.025);
}

.multi-leg-number {
  align-self: center;
  justify-self: center;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(84,125,255,.16);
  color: #c9d5ff;
  font-weight: 800;
}

.multi-leg-row .field-group {
  min-width: 0;
  margin: 0;
}

.multi-leg-row input,
.multi-leg-row select {
  width: 100%;
}

.multi-leg-row > input[type="hidden"] {
  display: none;
}

.mobile-field-label {
  display: none;
}

.remove-leg-button {
  min-height: 40px;
  align-self: end;
}

.remove-leg-button:disabled {
  cursor: not-allowed;
  opacity: .35;
}

.multi-leg-ticket-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}

@media (min-width: 1180px) {
  .multi-leg-ticket-head:has(span:nth-child(10)),
  .multi-leg-row:has(input[name="entry_price"]:not([type="hidden"])) {
    grid-template-columns:
      42px
      minmax(78px, .65fr)
      minmax(74px, .65fr)
      minmax(95px, .9fr)
      minmax(115px, 1fr)
      minmax(64px, .55fr)
      minmax(96px, .85fr)
      minmax(88px, .8fr)
      minmax(88px, .8fr)
      minmax(74px, auto);
  }
}

@media (max-width: 980px) {
  .multi-leg-ticket-head {
    display: none;
  }

  .multi-leg-row,
  .multi-leg-row:has(input[name="entry_price"]:not([type="hidden"])) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .multi-leg-number {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .mobile-field-label {
    display: inline;
  }

  .remove-leg-button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 560px) {
  .multi-leg-row,
  .multi-leg-row:has(input[name="entry_price"]:not([type="hidden"])) {
    grid-template-columns: 1fr;
  }

  .multi-leg-ticket-actions {
    flex-direction: column;
  }

  .multi-leg-ticket-actions .button {
    width: 100%;
  }
}


/* Daily options step-size label */
.input-with-suffix {
  display: grid;
  grid-template-columns: minmax(70px, 0.55fr) minmax(105px, 1fr);
  align-items: center;
  min-height: 42px;
  overflow: hidden;
  border: 1px solid var(--ot-line, rgba(255,255,255,.13));
  border-radius: 8px;
  background: rgba(255,255,255,.025);
}

.input-with-suffix input {
  width: 100%;
  height: 100%;
  min-height: 40px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.input-with-suffix span {
  padding: 0 10px;
  color: var(--muted, #9aa6b2);
  font-size: 0.78rem;
  white-space: nowrap;
  border-left: 1px solid var(--ot-line, rgba(255,255,255,.13));
}