/* Quantrex — NTA-style numerical answer (keyboard + mouse, centered) */

.mtk-numerical-wrap {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  padding: 20px 0 28px;
}

.mtk-numerical {
  width: 100%;
  display: flex;
  justify-content: center;
}

.qx-num-entry {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  padding: 0;
}

.qx-num-entry.qx-num-panel {
  max-width: 320px;
  padding: 22px 20px 18px;
  border: 1px solid #c5d4e8;
  border-radius: 4px;
  background: #f8fafc;
  box-shadow: 0 1px 3px rgba(0, 45, 120, 0.06);
}

.qx-num-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 10px;
  text-align: center;
}

.qx-num-input {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 2px solid #1a2b4a;
  border-radius: 2px;
  font-size: 22px;
  font-weight: 600;
  font-family: 'Inter', 'Consolas', monospace;
  text-align: center;
  background: #fff;
  color: #0f172a;
  letter-spacing: 0.06em;
  margin: 0 auto 12px;
  cursor: text;
}

.qx-num-input:focus {
  outline: none;
  border-color: #003DA5;
  box-shadow: 0 0 0 3px rgba(0, 61, 165, 0.14);
}

.qx-num-input:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.qx-num-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
}

.qx-num-key {
  padding: 9px 6px;
  border: 1px solid #94a3b8;
  border-radius: 2px;
  background: #fff;
  color: #0f172a;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: background 0.1s, border-color 0.1s;
  min-height: 38px;
  user-select: none;
}

.qx-num-key:hover:not(:disabled) {
  background: #f1f5f9;
  border-color: #64748b;
}

.qx-num-key:active:not(:disabled) {
  background: #e2e8f0;
}

.qx-num-key-wide {
  grid-column: 1 / -1;
}

.qx-num-key-back,
.qx-num-key-clear {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.qx-num-key-arrow {
  font-size: 16px;
  padding: 6px;
}

.qx-num-key-spacer {
  display: block;
  min-height: 0;
  visibility: hidden;
}

/* Dark CBT theme */
.mtk-test-root[data-test-theme="dark"] .qx-num-entry.qx-num-panel,
.mtk-test-root:not([data-test-theme="light"]) .qx-num-entry.qx-num-panel {
  background: #1e2230;
  border-color: #3b4254;
}

.mtk-test-root[data-test-theme="dark"] .qx-num-label,
.mtk-test-root:not([data-test-theme="light"]) .qx-num-label {
  color: #cbd5e1;
}

.mtk-test-root[data-test-theme="dark"] .qx-num-input,
.mtk-test-root:not([data-test-theme="light"]) .qx-num-input {
  background: #12151c;
  border-color: #4b5563;
  color: #f1f5f9;
}

.mtk-test-root[data-test-theme="dark"] .qx-num-key,
.mtk-test-root:not([data-test-theme="light"]) .qx-num-key {
  background: #2a2f3d;
  border-color: #4b5563;
  color: #e2e8f0;
}

.mtk-test-root[data-test-theme="dark"] .qx-num-key:hover:not(:disabled),
.mtk-test-root:not([data-test-theme="light"]) .qx-num-key:hover:not(:disabled) {
  background: #374151;
  border-color: #60a5fa;
}

.mtk-test-root[data-test-theme="light"] .qx-num-entry.qx-num-panel {
  background: #f8fafc;
  border-color: #c5d4e8;
}

.mtk-test-root[data-test-theme="light"] .qx-num-label {
  color: #334155;
}

.mtk-test-root[data-test-theme="light"] .qx-num-input {
  background: #fff;
  border-color: #1a2b4a;
  color: #0f172a;
}

.mtk-test-root[data-test-theme="light"] .qx-num-key {
  background: #fff;
  border-color: #94a3b8;
  color: #0f172a;
}

.mtk-test-root.allen-cbt .qx-num-entry.qx-num-panel {
  border-color: var(--allen-border, #c5d4e8);
}

.mtk-test-root.allen-cbt[data-test-theme="light"] .qx-num-input {
  border-color: #1a2b4a;
}

/* Practice mode */
.qx-prac-numerical {
  display: flex;
  justify-content: center;
}

.qx-prac-numerical .qx-num-entry {
  max-width: 320px;
}

.qx-prac-numerical.correct .qx-num-input {
  border-color: #16a34a;
  background: #f0fdf4;
}

.qx-prac-numerical.wrong .qx-num-input {
  border-color: #dc2626;
  background: #fef2f2;
}

@media (max-width: 640px) {
  .qx-num-entry.qx-num-panel { max-width: 100%; padding: 16px 12px; }
  .qx-num-keypad { max-width: 100%; }
}