/* ==========================================================================
   M04 part B — analytics (ASM-05/06), learner history (ASM-07), reviews (REV-01/02)
   Prefix .m04r-  ·  tokens only (tokens.css)  ·  responsive down to 375px
   ========================================================================== */

/* ---------- analytics shell ---------- */
.m04r-an { display: flex; flex-direction: column; gap: var(--rv-space-4); min-width: 0; }
.m04r-an__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--rv-space-2) var(--rv-space-4); }
.m04r-an__basis { display: flex; flex-wrap: wrap; align-items: center; gap: var(--rv-space-2); min-width: 0; }
.m04r-an__label { font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); font-weight: 500; color: var(--rv-neutral-700); }
.m04r-an__actions { display: flex; flex-wrap: wrap; gap: var(--rv-space-2); }
.m04r-an [data-m04r="note"] { display: flex; flex-direction: column; gap: var(--rv-space-2); }
.m04r-an__scope { display: flex; align-items: flex-start; gap: 6px; margin: 0; font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); color: var(--rv-text-muted); }
.m04r-an__scope .rv-icon { flex-shrink: 0; margin-top: 3px; }
.m04r-an__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--rv-space-4); min-width: 0; }
.m04r-an__grid > * { min-width: 0; }
.m04r-chartcard.is-wide { grid-column: 1 / -1; }
.m04r-chart { min-width: 0; min-height: 160px; }
.m04r-chart__note { margin: var(--rv-space-2) 0 0; font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); color: var(--rv-text-muted); }
/* “จำนวนรอบที่ทำเฉลี่ยต่อคน” card (big number + 2 proportional bars) — not .m04r-rounds, which is the round list of REV-02/ASM-07 */
.m04r-avgrounds { display: flex; flex-direction: column; justify-content: center; gap: var(--rv-space-2); min-height: 160px; }
.m04r-avgrounds .rv-stat__value { font-size: 32px; line-height: 40px; }
.m04r-avgrounds.is-empty .rv-stat__value { color: var(--rv-text-muted); }
.m04r-avgrounds__bars { display: flex; flex-direction: column; gap: var(--rv-space-1); }
.m04r-avgrounds__row { display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; align-items: center; gap: var(--rv-space-2); font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); }
.m04r-avgrounds__label { color: var(--rv-text-secondary); white-space: nowrap; }
.m04r-avgrounds__bar { display: block; height: 8px; overflow: hidden; border-radius: var(--rv-radius-pill); background: var(--rv-neutral-200); }
.m04r-avgrounds__bar > span { display: block; height: 100%; border-radius: inherit; background: var(--rv-primary-700); transition: width .2s ease; }
.m04r-avgrounds__n { white-space: nowrap; font-variant-numeric: tabular-nums; font-weight: 500; }
.m04r-chart-fallback { max-height: 320px; }
.m04r-section { display: flex; flex-direction: column; gap: var(--rv-space-2); min-width: 0; }
.m04r-section__head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--rv-space-2); }
.m04r-section__head p { margin: 2px 0 0; }

/* segmented radio group (role=radiogroup; styled like .rv-segmented tabs) */
.m04r-seg .rv-tab[aria-checked="true"] { background: var(--rv-surface); color: var(--rv-primary-900); font-weight: 500; box-shadow: 0 0 0 1px var(--rv-border); }
.m04r-seg .rv-tab:focus-visible { outline: 2px solid var(--rv-focus); outline-offset: -2px; }

/* ---------- question detail drawer ---------- */
.m04r-qd__text p { margin: 0; font-size: var(--rv-fs-body); line-height: var(--rv-lh-body); white-space: pre-wrap; overflow-wrap: anywhere; }
.m04r-opts { display: flex; flex-direction: column; gap: 6px; margin: var(--rv-space-1) 0 var(--rv-space-2); padding: 0; list-style: none; }
.m04r-opt { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; align-items: center; gap: var(--rv-space-2); padding: var(--rv-space-2) 10px; border: 1px solid var(--rv-divider); border-radius: var(--rv-radius-card); background: var(--rv-surface); font-size: var(--rv-fs-body); line-height: 20px; }
.m04r-opt.is-key { border-color: var(--rv-success-border); background: var(--rv-success-bg); }
.m04r-opt.is-picked { box-shadow: inset 3px 0 0 var(--rv-info); }
.m04r-opt__letter { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; background: var(--rv-neutral-100); color: var(--rv-neutral-700); font-size: var(--rv-fs-small); font-weight: 600; }
.m04r-opt.is-key .m04r-opt__letter { background: var(--rv-surface); color: var(--rv-success); }
.m04r-opt__main { display: flex; flex-direction: column; gap: var(--rv-space-1); min-width: 0; }
.m04r-opt__text { overflow-wrap: anywhere; }
.m04r-opt__text .rv-badge { margin-left: var(--rv-space-1); }
.m04r-opt__bar { display: block; height: 6px; overflow: hidden; border-radius: var(--rv-radius-pill); background: var(--rv-neutral-200); }
.m04r-opt__bar > span { display: block; height: 100%; border-radius: inherit; background: var(--rv-primary-700); }
.m04r-opt__n { font-size: var(--rv-fs-small); white-space: nowrap; font-variant-numeric: tabular-nums; }
.m04r-opt__marks { display: inline-flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--rv-space-1); }
.m04r-wrongtable td { vertical-align: middle; }

/* ---------- shared: people, links, files, answers ---------- */
.m04r-who { display: inline-flex; flex-direction: column; min-width: 0; line-height: 18px; }
.m04r-who__name { font-weight: 500; color: var(--rv-text-primary); }
.m04r-who__mail, .m04r-who__at { font-size: var(--rv-fs-small); color: var(--rv-text-muted); overflow-wrap: anywhere; }
.m04r-links { display: flex; flex-direction: column; gap: var(--rv-space-1); margin: var(--rv-space-1) 0; padding: 0; list-style: none; }
.m04r-ext { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; min-width: 0; max-width: 100%; }
.m04r-ext__link { display: inline-flex; align-items: center; gap: var(--rv-space-1); min-width: 0; font-weight: 500; }
.m04r-ext__link .rv-icon { flex-shrink: 0; }
.m04r-ext.is-invalid { color: var(--rv-text-secondary); }
.m04r-file { display: flex; flex-wrap: wrap; align-items: center; gap: var(--rv-space-2); min-width: 0; margin: 0; padding: 6px var(--rv-space-2); border: 1px solid var(--rv-divider); border-radius: var(--rv-radius-control); background: var(--rv-surface); font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); }
.m04r-file.is-none { border-style: dashed; color: var(--rv-text-muted); background: transparent; }
.m04r-file__icon { display: inline-flex; color: var(--rv-neutral-500); }
.m04r-file__body { display: flex; flex: 1 1 160px; flex-direction: column; min-width: 0; }
.m04r-file__name { font-weight: 500; color: var(--rv-text-primary); }
.m04r-file__meta { color: var(--rv-text-muted); font-variant-numeric: tabular-nums; }
.m04r-file__act { display: inline-flex; align-items: center; gap: 6px; }
.m04r-answer { display: flex; flex-direction: column; gap: var(--rv-space-1); min-width: 0; }
.m04r-answer__label { font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); font-weight: 500; color: var(--rv-text-muted); }
.m04r-answer__text { max-height: 360px; overflow-y: auto; padding: 10px var(--rv-space-3); border: 1px solid var(--rv-divider); border-radius: var(--rv-radius-card); background: var(--rv-surface); font-size: var(--rv-fs-body); line-height: var(--rv-lh-body); white-space: pre-wrap; overflow-wrap: anywhere; }
.m04r-answer__count { font-size: var(--rv-fs-small); color: var(--rv-text-muted); text-align: right; font-variant-numeric: tabular-nums; }
.m04r-qtext { margin: 0 0 var(--rv-space-2); font-size: var(--rv-fs-body); line-height: var(--rv-lh-body); white-space: pre-wrap; overflow-wrap: anywhere; }
.m04r-pre { white-space: pre-wrap; overflow-wrap: anywhere; }
.m04r-check { display: flex; flex-direction: column; gap: 6px; margin: 0 0 var(--rv-space-2); padding: 0; list-style: none; font-size: var(--rv-fs-body); line-height: 20px; }
.m04r-check li { display: flex; align-items: flex-start; gap: var(--rv-space-2); }
.m04r-check li .rv-icon { flex-shrink: 0; margin-top: 2px; }
.m04r-check .is-ok .rv-icon { color: var(--rv-success); }
.m04r-check .is-bad .rv-icon { color: var(--rv-neutral-400); }
.m04r-demo-act { display: inline-flex; align-items: center; gap: var(--rv-space-1); }

/* ---------- rounds (REV-02 history · ASM-07 threads) ---------- */
.m04r-rounds { display: flex; flex-direction: column; gap: var(--rv-space-4); margin: 0; padding: 0; list-style: none; }
.m04r-round { position: relative; min-width: 0; padding-left: var(--rv-space-4); border-left: 2px solid var(--rv-divider); scroll-margin-top: calc(var(--rv-header-height) + 12px); }
.m04r-round.is-pending, .m04r-round.is-resubmitted { border-left-color: var(--rv-warning-border); }
.m04r-round.is-returned { border-left-color: var(--rv-danger-border); }
.m04r-round.is-passed { border-left-color: var(--rv-success-border); }
.m04r-round.is-current { border-left-color: var(--rv-primary-700); }
.m04r-round__head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px var(--rv-space-2); margin-bottom: var(--rv-space-2); font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); }
.m04r-round__no { font-size: var(--rv-fs-body); font-weight: 600; color: var(--rv-text-primary); }
.m04r-round__id { font-variant-numeric: tabular-nums; }
.m04r-round__at { margin-left: auto; color: var(--rv-text-muted); }
.m04r-round__body { display: flex; flex-direction: column; gap: var(--rv-space-2); min-width: 0; }
.m04r-round__note { display: flex; align-items: center; gap: 6px; margin: 0; }
.m04r-box { display: flex; flex-direction: column; gap: var(--rv-space-2); min-width: 0; padding: var(--rv-space-3); border: 1px solid var(--rv-divider); border-radius: var(--rv-radius-card); background: var(--rv-surface); }
.m04r-box--learner { background: var(--rv-surface-subtle); }
.m04r-box--reviewer.is-pass { border-color: var(--rv-success-border); }
.m04r-box--reviewer.is-fail { border-color: var(--rv-danger-border); }
.m04r-box--pending { flex-direction: row; align-items: flex-start; border-style: dashed; border-color: var(--rv-warning-border); background: var(--rv-warning-bg); }
.m04r-box--pending > .rv-icon { flex-shrink: 0; margin-top: 2px; color: var(--rv-warning); }
.m04r-box__who { display: flex; flex-wrap: wrap; align-items: center; gap: var(--rv-space-2); min-width: 0; }
.m04r-box__whotext { flex: 1 1 180px; min-width: 0; }
.m04r-box__name { font-size: var(--rv-fs-body); line-height: 20px; font-weight: 500; color: var(--rv-text-primary); overflow-wrap: anywhere; }
.m04r-box__role { font-size: var(--rv-fs-small); font-weight: 400; color: var(--rv-text-muted); }
.m04r-box__comment { padding: var(--rv-space-2) var(--rv-space-3); border-radius: var(--rv-radius-card); background: var(--rv-neutral-50); font-size: var(--rv-fs-body); line-height: var(--rv-lh-body); white-space: pre-wrap; overflow-wrap: anywhere; }

/* ---------- REV-02 layout: main + aside (≥1200px) · one column with reordered cards below ---------- */
.m04r-review { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 380px); gap: var(--rv-space-4); align-items: start; }
.m04r-review__main, .m04r-review__aside { display: flex; flex-direction: column; gap: var(--rv-space-4); min-width: 0; }
.m04r-form { display: flex; flex-direction: column; gap: var(--rv-space-3); }
.m04r-form__actions { gap: var(--rv-space-2); }
.m04r-thread-mini .rv-bubble { max-width: 100%; font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); }

/* ---------- ASM-07 learner history ---------- */
.m04r-lh-head .rv-dhead__meta { align-items: center; }
.m04r-lh-stats { display: flex; flex-wrap: wrap; gap: var(--rv-space-2); margin-top: var(--rv-space-1); }
.m04r-lh-stat { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: var(--rv-space-1) 10px; border: 1px solid var(--rv-divider); border-radius: var(--rv-radius-pill); background: var(--rv-neutral-50); font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); }
.m04r-lh-stat__label { color: var(--rv-text-muted); }
.m04r-lh-panel { min-width: 0; }
.m04r-ans { display: flex; flex-direction: column; gap: 6px; padding: var(--rv-space-3); border: 1px solid var(--rv-divider); border-left-width: 3px; border-radius: var(--rv-radius-card); }
.m04r-ans.is-ok { border-left-color: var(--rv-success); }
.m04r-ans.is-bad { border-left-color: var(--rv-danger); }
.m04r-ans__head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.m04r-ans__q { margin: 0; font-size: var(--rv-fs-body); line-height: var(--rv-lh-body); overflow-wrap: anywhere; }
.m04r-thread { display: flex; flex-direction: column; gap: var(--rv-space-3); min-width: 0; padding: var(--rv-space-4); border: 1px solid var(--rv-card-border); border-radius: var(--rv-radius-card); background: var(--rv-surface); scroll-margin-top: calc(var(--rv-header-height) + 12px); }
.m04r-thread__head { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: var(--rv-space-2) var(--rv-space-4); }
.m04r-thread__main { display: flex; flex: 1 1 320px; flex-direction: column; gap: var(--rv-space-1); min-width: 0; }
.m04r-thread__badges { display: flex; flex-wrap: wrap; gap: var(--rv-space-1); }
.m04r-thread__q { margin: 0; font-size: var(--rv-fs-body); line-height: var(--rv-lh-body); color: var(--rv-text-secondary); overflow-wrap: anywhere; }
.m04r-thread__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--rv-space-2); }
.m04r-strip { display: flex; flex-wrap: wrap; align-items: center; gap: var(--rv-space-1); margin: 0; padding: 0; list-style: none; }
.m04r-strip__item { display: inline-flex; align-items: center; gap: var(--rv-space-1); }
.m04r-strip__link { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 2px var(--rv-space-2); border: 1px solid var(--rv-divider); border-radius: var(--rv-radius-pill); background: var(--rv-surface); color: var(--rv-text-primary); font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); white-space: nowrap; }
.m04r-strip__link:hover { border-color: var(--rv-primary-700); color: var(--rv-text-primary); text-decoration: none; }
.m04r-strip__no { font-weight: 500; }
.m04r-strip__sep { display: inline-flex; color: var(--rv-neutral-400); }
.m04r-msgs { display: flex; flex-direction: column; gap: var(--rv-space-2); padding: 10px var(--rv-space-3); border: 1px dashed var(--rv-neutral-300); border-radius: var(--rv-radius-card); background: var(--rv-neutral-50); }
.m04r-msgs__label { display: flex; align-items: center; gap: 6px; font-size: var(--rv-fs-small); line-height: var(--rv-lh-small); color: var(--rv-text-muted); }
.m04r-msgs__label .rv-icon { flex-shrink: 0; }
.m04r-msg__tag { font-size: var(--rv-fs-small); }
.m04r-msg__text { margin: 0 0 6px; white-space: pre-wrap; }
.m04r-msg__id { display: block; margin-top: var(--rv-space-1); font-size: var(--rv-fs-small); color: var(--rv-text-muted); font-variant-numeric: tabular-nums; }
.m04r-composer { display: flex; flex-direction: column; gap: var(--rv-space-3); padding: var(--rv-space-3); border: 1px solid var(--rv-primary-200); border-radius: var(--rv-radius-card); background: var(--rv-primary-50); }
.m04r-composer__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--rv-space-1) var(--rv-space-3); }
.m04r-composer__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--rv-space-2); }
.m04r-composer__note { flex: 1 1 200px; }
.m04r-composer__send { margin-left: auto; }
.m04r-composer .rv-dropzone { background: var(--rv-surface); }

/* ---------- responsive ---------- */
@media (max-width: 1199px) {
  /* REV-02: one column; cards reordered → question · answer · reviewer form · info · history */
  .m04r-review { display: flex; flex-direction: column; }
  .m04r-review__main, .m04r-review__aside { display: contents; }
  .m04r-o1 { order: 1; } .m04r-o2 { order: 2; } .m04r-o3 { order: 3; } .m04r-o4 { order: 4; } .m04r-o5 { order: 5; }
}
@media (max-width: 1023px) {
  .m04r-an__grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 767px) {
  .m04r-an__bar { align-items: stretch; }
  .m04r-an__basis .rv-segmented { flex-wrap: wrap; overflow: visible; }
  .m04r-an__basis .rv-tab { height: auto; min-height: 32px; padding-top: var(--rv-space-1); padding-bottom: var(--rv-space-1); white-space: normal; text-align: left; }
  .m04r-an__actions, .m04r-an__actions .rv-btn { width: 100%; }
  .m04r-opt { grid-template-columns: 24px minmax(0, 1fr); }
  .m04r-opt__n, .m04r-opt__marks { grid-column: 2; justify-content: flex-start; }
  .m04r-round { padding-left: var(--rv-space-3); }
  .m04r-round__at { margin-left: 0; width: 100%; }
  .m04r-thread { padding: var(--rv-space-3); }
  .m04r-thread .rv-bubble, .m04r-msgs .rv-bubble { max-width: 100%; }   /* conversation bubbles full width */
  .m04r-thread__actions, .m04r-thread__actions > .rv-btn { width: 100%; }
  .m04r-strip { flex-wrap: nowrap; overflow-x: auto; padding-bottom: var(--rv-space-1); scrollbar-width: thin; }
  .m04r-file__act { width: 100%; }
  /* sticky action bars sit above the 56px bottom navigation */
  .m04r-formcard .m04r-form__actions { margin-left: calc(-1 * var(--rv-space-4)); margin-right: calc(-1 * var(--rv-space-4)); padding-left: var(--rv-space-4); padding-right: var(--rv-space-4); box-shadow: 0 -1px 0 var(--rv-divider); }
  .m04r-form__actions .rv-btn--primary { flex: 1 1 auto; }
  .m04r-composer__actions { position: sticky; bottom: calc(var(--rv-mobile-nav-height) + env(safe-area-inset-bottom)); z-index: var(--rv-z-sticky); padding: var(--rv-space-2) 0; background: var(--rv-primary-50); }
  .m04r-composer__send { flex: 1 1 100%; margin-left: 0; }
  .m04r-lh-stat { border-radius: var(--rv-radius-card); }
}
@media print {
  .m04r-composer, .m04r-demo-act, .m04r-file__act { display: none !important; }
}