/* Shared practice controls inherit Numiro's existing theme. */
.learning-controls { display: flex; margin: 4px 0 8px; min-width: 0; align-items: center; justify-content: space-between; gap: 8px; }
.learning-status, .learning-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.learning-status { color: var(--text-color); }
.arithmetic-workspace > .learning-controls--with-exit {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}
.arithmetic-workspace > .learning-controls--with-exit .learning-status {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  grid-column: 1 / -1;
  grid-row: 1;
  justify-content: center;
  padding-inline: 92px;
  text-align: center;
}
.arithmetic-workspace > .learning-controls--with-exit .learning-exit-form {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  z-index: 1;
}
.learning-actions { justify-content: flex-end; }
.learning-actions button, .learning-actions a { min-height: 44px; min-width: 44px; margin: 0; padding: 10px 14px; box-sizing: border-box; }
.learning-actions [hidden] { display: none !important; }
.learning-actions .learning-secondary { background: var(--block-background); color: var(--text-color); border: 1px solid var(--divider-color); border-radius: 12px; text-decoration: none; box-shadow: none; }
.learning-actions .learning-secondary:hover { background: var(--block-hover-background); }
.learning-exit-form { margin: 0; flex: 0 0 auto; }
.learning-exit-form .learning-secondary { min-width: 0; min-height: 34px; margin: 0; padding: 5px 8px; font-size: .72rem; background: transparent; color: var(--navbar-text-color); border: 1px solid transparent; border-radius: 9px; box-shadow: none; }
.learning-exit-form .learning-secondary:hover,
.learning-exit-form .learning-secondary:active,
.learning-exit-form .learning-secondary:focus-visible { background: var(--block-hover-background); color: var(--text-color); border-color: var(--divider-color); box-shadow: none; }
.learning-controls button:focus-visible, .arithmetic-workspace button:focus-visible, .learning-summary a:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }
@media (min-width: 768px) {
  .arithmetic-workspace > .learning-controls--with-exit {
    position: absolute;
    top: 22px;
    right: 28px;
    left: 28px;
    width: auto;
  }
}
.arithmetic-practice-page { box-sizing: border-box; width: min(760px, 100%); max-width: 100%; margin: 20px auto; }
.arithmetic-page-title { margin: 0 0 10px; text-align: center; font-size: 1.2rem; line-height: 1.2; }
.arithmetic-workspace.exercise-container { box-sizing: border-box; width: min(760px, 100%); max-width: 100%; margin: 20px auto; padding: clamp(16px, 3vw, 28px); }
.learning-summary.exercise-container {
  box-sizing: border-box;
  width: min(740px, calc(100% - 32px));
  max-width: 100%;
  min-height: 0;
  height: auto;
  margin: 20px auto;
  padding: 20px 28px;
  text-align: center;
}
.learning-summary-header h1 { margin: 0; font-size: clamp(1.45rem, 2.5vw, 1.85rem); }
.learning-summary-header p { margin: 3px 0 0; color: var(--navbar-text-color); font-size: .84rem; }
.arithmetic-practice-page .arithmetic-workspace.exercise-container { width: 100%; margin: 0; }
.arithmetic-workspace { position: relative; }
.visual-timer-road { position: absolute; top: 0; left: 0; width: 100%; height: 15px; overflow: hidden; border-top-left-radius: 10px; border-top-right-radius: 10px; background-color: var(--divider-color); }
.visual-timer { width: 100%; max-width: 100%; height: 15px; border-top-left-radius: 10px; border-top-right-radius: 0; background-color: var(--accent-primary); will-change: width; }
.arithmetic-problem { font-size: clamp(1.8rem, 4vw, 3rem); padding: 20px 0; overflow-wrap: anywhere; }
.arithmetic-answer-form { min-width: 0; }
.arithmetic-answer-form label { display: block; text-align: left; font-weight: 700; }
.arithmetic-answer { width: 100%; min-width: 0; box-sizing: border-box; min-height: 64px; margin: 8px 0 0; border: 1px solid var(--divider-color); border-radius: 14px; background: var(--block-background); color: var(--text-color); padding: 12px; font-size: 1.5rem; }
.arithmetic-answer:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 2px; }
.arithmetic-keypad { display: grid; grid-template-columns: repeat(5, minmax(44px, 1fr)); gap: 8px; margin: 10px 0; padding: 12px; border: 1px solid var(--divider-color); border-radius: 16px; background: var(--container-background); }
.arithmetic-keypad.has-extra-keys { grid-template-columns: repeat(6, minmax(44px, 1fr)); }
.arithmetic-keypad .learning-key { min-width: 44px; min-height: 48px; padding: 8px; margin: 0; background: var(--block-background); color: var(--text-color); box-shadow: none; border: 1px solid var(--divider-color); border-radius: 12px; font-size: 1.2rem; }
.arithmetic-keypad .learning-key:hover { background: var(--block-hover-background); }
.arithmetic-workspace .answer-feedback { display: grid; grid-template-columns: minmax(150px, .65fr) minmax(0, 1.35fr); align-items: center; gap: 6px 24px; width: 100%; margin-top: 12px; padding: 10px 14px; text-align: left; background: var(--block-background); border: 1px solid var(--divider-color); border-radius: 14px; }
.arithmetic-workspace .feedback-answers { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: center; gap: 6px 18px; min-width: 0; }
.arithmetic-workspace .feedback-heading h2,
.arithmetic-workspace .feedback-answers p { margin: 0; }
.answer-feedback code { overflow-wrap: anywhere; white-space: pre-wrap; }
.arithmetic-workspace .answer-feedback .submitted-answer { color: var(--text-color); }
.answer-feedback .attempt-label { font-size: .75rem; color: var(--text-color); opacity: .78; }
.answer-feedback.input-notice { border-left-color: var(--divider-color); }
.arithmetic-workspace .answer-feedback h2 { font-size: 1.1rem; }
.learning-summary-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 12px 0 8px;
  padding: 9px 0;
  border-block: 1px solid var(--divider-color);
}
.learning-summary-stats div { padding: 0 12px; }
.learning-summary-stats div + div { border-left: 1px solid var(--divider-color); }
.learning-summary-stats dd { margin: 0; font-size: 1.18rem; font-weight: 800; }
.learning-summary-stats dt { margin-top: 1px; color: var(--navbar-text-color); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; }
.learning-summary-note { margin: 5px 0; color: var(--navbar-text-color); font-size: .75rem; line-height: 1.35; }
.learning-rank-summary {
  display: flex;
  box-sizing: border-box;
  width: min(100%, 320px);
  margin: 12px auto 0;
  padding: 12px 18px 14px;
  flex-direction: column;
  align-items: center;
  align-self: center;
  border: 1px solid var(--divider-color);
  border-radius: 16px;
  background: var(--block-background);
}
.learning-rank-summary > p { margin: 0; }
.learning-rank-summary .rank-identity { display: flex; margin: 2px 0 0; }
.learning-rank-summary .learning-summary-rank .rank-avatar {
  --rank-frame-size: 100px;
  --rank-avatar-size: 62px;
}
.learning-rank-summary .rank-progress { width: min(100%, 230px); margin-top: 5px; }
.learning-rank-change {
  color: var(--navbar-text-color);
  font-size: .75rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.learning-rank-change--promotion { color: var(--accent-primary); }
.learning-rank-change--demotion { color: var(--incorrect-color); }
.learning-rank-transition { color: var(--navbar-text-color); font-size: .78rem; }
.learning-rank-label { margin-top: 1px !important; color: var(--navbar-text-color); font-size: .72rem; font-weight: 750; }
.learning-rank-name { margin: -2px 0 1px; font-size: 1.16rem; line-height: 1.15; }
.learning-rank-rating { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; align-items: baseline; font-variant-numeric: tabular-nums; }
.learning-rank-rating span { font-size: .88rem; }
.learning-rank-rating strong { font-size: .88rem; }
.learning-rank-rating .is-positive { color: var(--correct-color); }
.learning-rank-rating .is-negative { color: var(--incorrect-color); }
.learning-rank-next { margin-top: 3px !important; color: var(--navbar-text-color); font-size: .73rem; }
.dark-theme .learning-summary-header p,
.dark-theme .learning-summary-stats dt,
.dark-theme .learning-summary-note,
.dark-theme .learning-rank-transition,
.dark-theme .learning-rank-next { color: #adb4ad; }
.dark-theme .learning-rank-change--promotion,
.dark-theme .learning-rank-rating .is-positive { color: #9dbb92; }
.dark-theme .learning-rank-change--demotion,
.dark-theme .learning-rank-rating .is-negative { color: #d49a95; }
.learning-summary > .learning-actions { justify-content: center; margin-top: 12px; }
@media (max-width: 767px) {
  body.page-views-addition,
  body.page-views-subtraction,
  body.page-views-multiplication,
  body.page-views-division,
  body.page-views-integration,
  body.page-arithmetic_calibration-show { overflow-x: hidden; overflow-x: clip; }
  .page-views-addition .arithmetic-workspace.exercise-container,
  .page-views-subtraction .arithmetic-workspace.exercise-container,
  .page-views-multiplication .arithmetic-workspace.exercise-container,
  .page-views-division .arithmetic-workspace.exercise-container,
  .arithmetic-calibration-practice .arithmetic-workspace.exercise-container {
    width: 100%; min-height: 0; margin: 0 auto; padding: 22px 10px 8px;
    justify-content: flex-start;
  }
  .learning-summary.exercise-container {
    width: calc(100% - 16px); min-height: 0; margin: 8px auto !important;
    padding: 14px 10px calc(12px + env(safe-area-inset-bottom));
  }
  .learning-summary-header h1 { font-size: 1.35rem; }
  .learning-rank-summary { margin-top: 9px; padding: 9px 7px 11px; }
  .learning-rank-summary .learning-summary-rank .rank-avatar {
    --rank-frame-size: 94px;
    --rank-avatar-size: 58px;
  }
  .learning-summary-stats { margin-top: 9px; padding-block: 7px; }
  .learning-summary-stats div { padding-inline: 5px; }
  .learning-summary-stats dd { font-size: 1rem; }
  .learning-summary-stats dt { font-size: .6rem; }
  .learning-summary > .learning-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; }
  .learning-summary > .learning-actions button,
  .learning-summary > .learning-actions a { flex: 1 1 130px; font-size: .75rem; }
  .arithmetic-practice-page { width: 100%; margin: 0 auto; }
  .arithmetic-page-title { margin: 0 0 6px; padding-inline: 10px; font-size: clamp(.9rem, 3.8vw, 1.05rem); line-height: 1.15; }
  .learning-controls { width: 100%; margin: 0 0 4px; flex-wrap: wrap; }
  .arithmetic-workspace > .learning-controls--with-exit {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .arithmetic-workspace > .learning-controls--with-exit .learning-status {
    width: auto;
    grid-column: 1;
    justify-content: flex-start;
    padding-inline: 0;
    text-align: left;
  }
  .learning-status { min-width: 0; flex: 1 1 auto; flex-wrap: nowrap; gap: 5px; font-size: clamp(.72rem, 3vw, .82rem); }
  .learning-status strong { white-space: nowrap; }
  .learning-review { display: none; }
  .learning-actions { flex: 0 0 auto; flex-wrap: nowrap; gap: 4px; }
  .learning-actions button, .learning-actions a { min-height: 44px; padding: 7px 9px; font-size: .75rem; }
  .arithmetic-problem { min-height: clamp(44px, 7dvh, 58px); display: flex; align-items: center; justify-content: center; padding: 3px 0; font-size: clamp(1.65rem, 8vw, 2.25rem); line-height: 1.05; }
  .page-views-addition #answer-form.arithmetic-answer-form,
  .page-views-subtraction #answer-form.arithmetic-answer-form,
  .page-views-multiplication #answer-form.arithmetic-answer-form,
  .page-views-division #answer-form.arithmetic-answer-form,
  .arithmetic-calibration-practice #answer-form.arithmetic-answer-form { display: block; width: 100%; }
  .arithmetic-calibration-progress { justify-content: center; }
  .arithmetic-answer-form label { margin: 0; font-size: .72rem; line-height: 1.15; }
  .arithmetic-answer { min-height: 48px; height: 48px; margin-top: 3px; padding: 6px 10px; border-radius: 11px; font-size: 1.25rem; }
  .arithmetic-keypad,
  .page-views-addition #blocks-container.arithmetic-keypad,
  .page-views-subtraction #blocks-container.arithmetic-keypad,
  .arithmetic-calibration-practice #blocks-container.arithmetic-keypad,
  .page-views-multiplication #blocks-container.arithmetic-keypad,
  .page-views-division #blocks-container.arithmetic-keypad {
    box-sizing: border-box;
    width: min(100%, 286px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 14px auto 10px !important;
    padding: 10px !important;
  }
  .arithmetic-keypad.has-extra-keys,
  .page-views-addition #blocks-container.arithmetic-keypad.has-extra-keys,
  .arithmetic-calibration-practice #blocks-container.arithmetic-keypad.has-extra-keys,
  .page-views-subtraction #blocks-container.arithmetic-keypad.has-extra-keys,
  .page-views-multiplication #blocks-container.arithmetic-keypad.has-extra-keys,
  .page-views-division #blocks-container.arithmetic-keypad.has-extra-keys { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .arithmetic-keypad .learning-key { min-width: 0; min-height: 52px; height: 52px; padding: 4px; border-radius: 11px; font-size: 1.18rem; }
  .arithmetic-keypad .learning-key[data-key="0"] { grid-column: 2; grid-row: 4; }
  .arithmetic-keypad .learning-key[data-key="-"] { grid-column: 1; grid-row: 5; }
  .arithmetic-keypad .learning-key[data-key="."] { grid-column: 3; grid-row: 5; }
  .arithmetic-answer-form > .learning-actions { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(68px, .75fr) minmax(58px, .65fr); gap: 5px; }
  .arithmetic-answer-form > .learning-actions button { width: 100%; min-height: 44px; padding: 6px 5px; }
  .arithmetic-workspace .answer-feedback { display: grid; grid-template-columns: minmax(106px, .65fr) minmax(0, 1.35fr); width: 100%; min-height: 58px; gap: 4px 10px; margin-top: 5px; padding: 7px 9px; border-radius: 10px; }
  .arithmetic-workspace .feedback-answers { grid-template-columns: 1fr; gap: 1px; }
  .arithmetic-workspace .answer-feedback h2 { margin: 0 0 1px; font-size: .92rem; }
  .arithmetic-workspace .answer-feedback p { margin: 0; font-size: .72rem; line-height: 1.25; }
  .arithmetic-workspace .answer-feedback .attempt-label { font-size: .66rem; }
}
@media (max-width: 370px) {
  .learning-status { flex-wrap: wrap; }
  .learning-actions button, .learning-actions a { padding-inline: 7px; }
  .arithmetic-keypad,
  .page-views-addition #blocks-container.arithmetic-keypad,
  .page-views-subtraction #blocks-container.arithmetic-keypad,
  .arithmetic-calibration-practice #blocks-container.arithmetic-keypad,
  .page-views-multiplication #blocks-container.arithmetic-keypad,
  .page-views-division #blocks-container.arithmetic-keypad { width: min(100%, 270px); gap: 7px; padding-inline: 8px !important; }
}
@media (max-width: 767px) and (max-height: 780px) {
  .arithmetic-problem { min-height: 40px; }
  .arithmetic-workspace .answer-feedback { min-height: 52px; }
}