/* ── Sequences ──────────────────────────────────────────────────────── */
  #screen-sequences { overflow-y: auto; }
  .seq-wrapper { width: 100%; max-width: 560px; }
  .seq-card { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px 32px; margin-bottom: 16px; }
  .seq-counter { font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
  .seq-display { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
  .seq-num { font-size: 22px; font-weight: 700; color: var(--text); padding: 7px 12px;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
  .seq-num.blank { border-color: var(--gold-dim); color: var(--gold); background: var(--gold-bg);
    min-width: 52px; text-align: center; }
  .seq-sep { color: var(--muted); font-size: 20px; font-weight: 300; }
  .seq-prompt { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
  .seq-mc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .seq-result { text-align: center; font-size: 14px; font-weight: 600; padding: 12px;
    border-radius: var(--radius); margin-top: 12px; display: none; }
  .seq-result.correct { color: var(--green); background: var(--green-bg); border: 1px solid var(--green-line); }
  .seq-result.wrong { color: var(--red); background: var(--red-bg); border: 1px solid var(--red-line); }
  .seq-footer { display: flex; gap: 12px; margin-top: 14px; }

  /* ── Session end ────────────────────────────────────────────────────── */
  #screen-end { align-items: center; justify-content: center; overflow-y: auto; }
  .end-box { text-align: center; max-width: 520px; padding: 32px 24px; width: 100%; }
  .end-emoji { font-size: 64px; margin-bottom: 20px; }
  .end-title { font-size: 28px; font-weight: 700; color: var(--gold); margin-bottom: 8px; }
  .end-sub { color: var(--muted); font-size: 15px; margin-bottom: 28px; }
  /* Session recap — the shape of the session just finished, question by question.
     The stat tiles and radar below are all-time figures; this is the only thing
     on the screen that shows what actually happened in the last ten minutes. */
  .end-recap { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 18px; margin-bottom: var(--sp-4);
    text-align: left; display: flex; flex-direction: column; gap: 10px; }
  .end-recap-head { display: flex; align-items: baseline; gap: var(--sp-3); }
  .end-recap-lbl { font-size: var(--fs-micro); font-weight: 800;
    letter-spacing: var(--track-label); text-transform: uppercase; color: var(--muted); }
  .end-recap-streak { margin-left: auto; font-size: var(--fs-label); font-weight: 800;
    letter-spacing: 0.06em; color: var(--gold); font-variant-numeric: tabular-nums; }
  .end-recap-strip { display: flex; gap: 3px; height: 10px; }
  .end-recap-cell { flex: 1; min-width: 3px; border-radius: var(--radius); background: var(--subtle); }
  .end-recap-cell.hit { background: var(--green); }
  .end-recap-cell.miss { background: var(--red); }
  .end-recap-note { font-size: var(--fs-sm); color: var(--muted); line-height: 1.5; }

  .end-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 28px; }
  .end-stat { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 20px 16px; }
  .end-num { font-size: var(--fs-num); font-weight: 800; color: var(--gold);
    font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
  .end-lbl { font-size: 12px; color: var(--muted); margin-top: 4px;
    text-transform: uppercase; letter-spacing: 0.08em; }

  /* ── Training plan ──────────────────────────────────────────────────── */
  #screen-training { overflow-y: auto; }
  .training-body { flex: 1; padding: 28px 32px 48px; max-width: 1100px; width: 100%;
    margin: 0 auto; }
  .training-header { display: grid; grid-template-columns: minmax(260px, 360px) 1fr;
    gap: 24px; margin-bottom: 36px; }
  @media (max-width: 720px) { .training-header { grid-template-columns: 1fr; } }
  .training-date-card { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 22px 24px; }
  .td-label { font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
  .td-input { width: 100%; padding: 12px 14px; background: var(--bs-sheet);
    border: 1px solid var(--border); border-radius: var(--radius); color: var(--text);
    font-family: inherit; font-size: 15px; /* No color-scheme override. This was `dark` — the only such declaration in
     the file and a straight leftover from the old theme. It does not just tint
     the field, it picks the UA's light-on-dark assets for the parts nobody
     styles here: the date picker's calendar indicator, the number spinners on
     the score/cadence/assign-count inputs, and the default placeholder ink.
     All of those were rendering near-white on this field's light paper ground. */ }
  .td-meta { margin-top: 14px; font-size: 13px; color: var(--muted); }
  .training-tile { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 22px 24px; display: flex;
    flex-direction: column; gap: 14px; }
  .tt-label { font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--muted); }
  .tt-focus { font-size: 22px; font-weight: 700; color: var(--gold); }
  .tt-reviews { display: flex; flex-wrap: wrap; gap: 8px; min-height: 24px; }
  .tt-review-chip { padding: 4px 10px; background: var(--bs-stock-2); border: 1px solid var(--subtle);
    border-radius: 999px; font-size: 12px; color: var(--text); }
  .tt-review-chip.maintenance { border-color: var(--gold-dim); color: var(--gold); }
  .training-section { margin-bottom: 32px; }
  /* Was a goldenrod gradient — amber is a banned hue and print does not
     gradient. Flat lifted stock with an ink rule instead. */
  .pacing-card { background: var(--bs-sheet);
                 border: 1px solid var(--bs-ink); border-radius: var(--radius);
                 padding: 22px 26px; }
  .pacing-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
                margin-bottom: 14px; }
  .pacing-stat { display: flex; flex-direction: column; align-items: center; min-width: 80px; }
  .ps-num { font-size: 28px; font-weight: 700; color: var(--gold); line-height: 1; }
  .ps-lbl { font-size: 10px; letter-spacing: 0.12em; color: var(--muted); margin-top: 6px; }
  .pacing-arrow { color: var(--muted); font-size: 20px; }
  .pacing-headline { font-size: 15px; color: var(--ink); line-height: 1.5; margin-top: 10px; }
  .pacing-intensity { display: inline-block; margin-top: 10px; padding: 4px 10px;
                      border-radius: var(--radius); font-size: 11px; font-weight: 700;
                      letter-spacing: 0.08em; text-transform: uppercase; }
  .pacing-intensity.on_target { background: var(--green-bg); color: var(--green); }
  .pacing-intensity.steady    { background: var(--gold-bg); color: var(--gold); }
  .pacing-intensity.focused   { background: var(--gold-bg); color: var(--gold); }
  .pacing-intensity.intensive { background: var(--red-bg); color: var(--red); }
  .pacing-intensity.urgent    { background: var(--red-bg); color: var(--red); }
  .pacing-intensity.unrealistic { background: var(--red-bg); color: var(--red); }
  .pacing-intensity.unset     { background: var(--bs-stock-2); color: var(--muted); }
  .badge-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
                gap: 14px; }
  /* rgba(255,255,255,.02) is a "lighten a dark surface" overlay: it was a faint
     highlight on near-black and is invisible on paper. Real recessed ground. */
  .badge-card { background: var(--bs-stock-2); border: 1px solid var(--bs-rule);
                border-radius: var(--radius); padding: 14px 12px; text-align: center; opacity: 0.45;
                transition: opacity 0.18s, transform 0.18s; }
  /* Earned reads as a struck plate: lifted stock, full ink rule, accent mark. */
  .badge-card.earned { opacity: 1; border-color: var(--bs-ink);
                       background: var(--bs-sheet); box-shadow: 2px 2px 0 var(--bs-ink); }
  .badge-card.earned:hover { transform: translateY(-2px); }
  .badge-icon { font-size: 28px; line-height: 1; margin-bottom: 8px; }
  .badge-name { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; color: var(--ink);
                text-transform: uppercase; margin-bottom: 4px; }
  .badge-desc { font-size: 11px; color: var(--muted); line-height: 1.4; }
  .welcome-card { padding: 14px 16px; border-radius: var(--radius);
                  background: var(--bs-sheet);
                  border: 1px solid var(--bs-ink); margin-bottom: 22px;
                  text-align: center; }
  .welcome-line { font-size: 14px; color: var(--ink); margin-bottom: 4px; }
  .welcome-name { color: var(--gold); font-weight: 700; }
  .welcome-meta { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
  .welcome-signout { font-size: 11px; color: var(--muted); text-decoration: none;
                     border-bottom: 1px dashed var(--bs-rule); padding-bottom: 1px; }
  .welcome-signout:hover { color: var(--gold); border-bottom-color: var(--gold); }
  .feedback-layout { flex: 1; min-height: 0; overflow-y: auto;
                     display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
                     gap: 24px; padding: 24px 32px; max-width: 1400px;
                     margin: 0 auto; align-items: start; }
  @media (max-width: 920px) { .feedback-layout { grid-template-columns: 1fr; padding: 16px; } }
  .feedback-question-pane { background: var(--bs-stock-2); border: 1px solid var(--bs-rule);
                            border-radius: var(--radius); padding: 22px 26px; }
  .fbq-stem { font-size: 16px; line-height: 1.65; color: var(--ink); margin-bottom: 18px;
              opacity: 0.95; word-break: break-word; }
  .fbq-figure-wrap { margin-bottom: 18px; }
  .fbq-figure-wrap img { max-width: 100%; max-height: 420px; object-fit: contain;
                         border-radius: var(--radius); background: var(--bs-stock-2); padding: 12px;
                         border: 1px solid var(--border); }
  .fbq-choices { display: flex; flex-direction: column; gap: 8px; }
  .fbq-choice { display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px;
                border: 1px solid var(--bs-rule); border-radius: var(--radius);
                font-size: 14px; color: var(--ink); opacity: 0.7; line-height: 1.4; }
  .fbq-choice.correct { border-color: var(--green-line);
                        background: var(--green-bg); opacity: 1; }
  .fbq-choice.picked-wrong { border-color: var(--red-line);
                             background: var(--red-bg); opacity: 1; }
  .fbq-choice-letter { font-weight: 700; color: var(--gold); min-width: 18px; }
  .fbq-choice.correct .fbq-choice-letter { color: var(--green); }
  .fbq-choice.picked-wrong .fbq-choice-letter { color: var(--red); }
  .fbq-choice-tag { margin-left: auto; font-size: 10px; letter-spacing: 0.08em;
                    text-transform: uppercase; font-weight: 700; padding: 2px 8px;
                    border-radius: var(--radius); flex-shrink: 0; }
  .fbq-choice.correct .fbq-choice-tag { background: var(--green-bg); color: var(--green); }
  .fbq-choice.picked-wrong .fbq-choice-tag { background: var(--red-bg); color: var(--red); }
  .training-section-title { font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
  .cadence-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
  .cadence-lbl { font-size: 12px; font-weight: 700; color: var(--muted); width: 90px; flex-shrink: 0; }
  .cadence-days { display: flex; gap: 6px; flex-wrap: wrap; }
  .cadence-day { width: 38px; padding: 6px 0; text-align: center; border-radius: var(--radius);
    border: 1px solid var(--border); background: var(--surface); color: var(--text);
    font-family: inherit; font-size: 12px; font-weight: 600; cursor: pointer;
    transition: background 0.12s, color 0.12s, border-color 0.12s; }
  .cadence-day.rest { background: var(--gold-bg); color: var(--gold); border-color: var(--gold); }
  .cadence-items { width: 90px; }
  .cadence-meta { font-size: 12px; color: var(--muted); }
  .ws-action.drill { margin-top: 6px; background: var(--gold-bg); color: var(--gold);
    border-color: var(--gold-dim); }
  .ws-action.learn { margin-top: 6px; border-style: dashed; }
  .weak-skills { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px; }
  .weak-skill-card { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 14px 16px; }
  .ws-label { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
  .ws-rating { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 18px;
    color: var(--gold); font-variant-numeric: tabular-nums; }
  .ws-meta { font-size: 11px; color: var(--muted); margin-top: 4px;
    text-transform: uppercase; letter-spacing: 0.08em; }
  .ws-action { margin-top: 10px; padding: 8px 12px; background: transparent;
    border: 1px solid var(--gold-dim); color: var(--gold); border-radius: var(--radius);
    font-family: inherit; font-size: 12px; cursor: pointer; letter-spacing: 0.05em; }
  .ws-action:hover { background: var(--gold-dim); color: #fff; }
  .week-preview { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; }
  @media (max-width: 900px) { .week-preview { grid-template-columns: repeat(3, 1fr); } }
  .day-card { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px 12px 14px; }
  .day-card.today { border-color: var(--gold); }
  .day-card.rest  { background: var(--bs-stock-2); }
  .dc-date { font-size: 11px; font-weight: 700; color: var(--muted);
    letter-spacing: 0.08em; text-transform: uppercase; }
  .dc-focus { font-size: 13px; color: var(--text); margin-top: 8px; min-height: 32px; }
  .dc-target { font-size: 11px; color: var(--gold-dim); margin-top: 8px; }

  /* ── Rating history sparkline ──────────────────────────────────────── */
  .rating-history { margin: 0 auto 24px; width: 100%; max-width: 560px;
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px 22px; }
  .rating-history .rh-header { display: flex; justify-content: space-between;
    align-items: baseline; margin-bottom: 12px; }
  .rating-history .rh-tier { font-size: 16px; font-weight: 700; color: var(--gold);
    letter-spacing: 0.05em; }
  .rating-history .rh-current { font-size: 22px; font-weight: 700; color: var(--text);
    font-variant-numeric: tabular-nums; }
  .rating-history .rh-next { font-size: 11px; color: var(--muted);
    letter-spacing: 0.06em; text-transform: uppercase; margin-top: 4px; }
  .rating-history .rh-chart { width: 100%; height: 80px; display: block; }
  .rating-history .rh-empty { font-size: 13px; color: var(--muted); text-align: center;
    padding: 16px 0; font-style: italic; }
  .rating-history .rh-progress-bar { height: 4px; background: var(--bs-stock-2); border-radius: var(--radius);
    margin-top: 10px; overflow: hidden; }
  .rating-history .rh-progress-fill { height: 100%; background: linear-gradient(
    90deg, var(--gold-dim), var(--gold)); transition: width 0.4s ease; }

  /* ── Radar chart ────────────────────────────────────────────────────── */
  .radar-wrap { margin: 0 auto 28px; width: 100%; max-width: 720px; }
  .radar-title { font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 14px; text-align: center; }
  .radar-inner { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; }
  .radar-section { width: 260px; display: flex; flex-direction: column; align-items: center; }
  .radar-mini-title { font-size: 10px; font-weight: 700; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
  .radar-svg text { font-family: 'Inter', sans-serif; }

  /* ── Student dashboard v2 ───────────────────────────────────────────── */
  .dv2 { width: 100%; max-width: 1040px; margin: 0 auto; display: flex;
    flex-direction: column; gap: 32px; }
  .dv2-card { background: linear-gradient(180deg, var(--bs-sheet), var(--bs-sheet));
    border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 10px 30px rgba(12, 15, 11, 0.16); }
  .dv2-sec-head { display: flex; justify-content: space-between; align-items: center;
    gap: 12px; margin-bottom: 14px; }
  .dv2-sec-title { font-size: 12px; font-weight: 800; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--muted); }
  .dv2-muted-note { color: var(--muted); font-size: 13px; padding: 18px;
    text-align: center; }
  .dv2-hero-main { display: grid; grid-template-columns: 1fr 248px; gap: 28px;
    padding: 28px 32px; align-items: center; }
  .dv2-hero-rings { display: flex; gap: 36px; justify-content: center; flex-wrap: wrap; }
  .dv2-ring-card { display: flex; flex-direction: column; align-items: center; gap: 4px; }
  .dv2-ring-wrap { position: relative; width: 150px; height: 150px; }
  .dv2-ring { width: 150px; height: 150px; display: block; }
  .dv2-ring-center { position: absolute; inset: 0; display: flex; flex-direction: column;
    align-items: center; justify-content: center; }
  .dv2-ring-num { font-size: 38px; font-weight: 800; color: var(--text);
    letter-spacing: 0.01em; font-variant-numeric: tabular-nums; line-height: 1.1; }
  .dv2-ring-cap { font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
    color: var(--muted); }
  .dv2-ring-label { margin-top: 8px; font-size: 11px; font-weight: 700;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
  .dv2-ring-tier { font-size: 13px; color: var(--text); font-weight: 600; min-height: 18px; }
  .dv2-hero-side { display: flex; flex-direction: column; gap: 18px;
    border-left: 1px solid var(--border); padding-left: 28px; align-self: stretch;
    justify-content: center; }
  .dv2-hero-stats { display: flex; flex-direction: column; gap: 14px; }
  .dv2-stat { display: flex; align-items: center; gap: 12px; }
  .dv2-stat-icon { font-size: 18px; width: 34px; height: 34px; border-radius: var(--radius);
    background: var(--surface); border: 1px solid var(--border); display: flex;
    align-items: center; justify-content: center; flex-shrink: 0; }
  .dv2-stat-val { font-size: 20px; font-weight: 800; color: var(--text);
    line-height: 1.15; font-variant-numeric: tabular-nums; }
  .dv2-stat-label { font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--muted); }
  @media (max-width: 820px) {
    .dv2-hero-main { grid-template-columns: 1fr; padding: 22px; }
    .dv2-hero-side { border-left: none; padding-left: 0;
      border-top: 1px solid var(--border); padding-top: 18px; }
    .dv2-hero-stats { flex-direction: row; justify-content: space-around; }
  }
  .dv2-next-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px; }
  .dv2-next-card { display: flex; align-items: center; gap: 14px; padding: 16px 18px;
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    cursor: pointer; transition: transform 0.18s ease, border-color 0.18s ease; }
  .dv2-next-card:hover { transform: translateY(-2px); border-color: var(--gold-dim); }
  .dv2-next-icon { font-size: 20px; width: 42px; height: 42px; border-radius: var(--radius);
    background: var(--gold-bg); border: 1px solid var(--gold-dim); display: flex;
    align-items: center; justify-content: center; flex-shrink: 0; }
  .dv2-next-text { flex: 1; min-width: 0; }
  .dv2-next-title { font-size: 14px; font-weight: 700; color: var(--text); }
  .dv2-next-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
  .dv2-next-go { background: transparent; border: none; color: var(--gold);
    font-family: inherit; font-size: 12px; font-weight: 700; cursor: pointer;
    white-space: nowrap; padding: 6px 4px; }
  #dv2-trends-card { padding: 24px; }
  .dv2-toggle { display: flex; gap: 2px; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius); padding: 2px; }
  .dv2-toggle-btn { background: transparent; border: none; color: var(--muted);
    font-family: inherit; font-size: 11px; font-weight: 700; padding: 5px 12px;
    border-radius: var(--radius); cursor: pointer; transition: color 0.15s, background 0.15s; }
  .dv2-toggle-btn.active { background: var(--card); color: var(--gold); }
  .dv2-chart-wrap { position: relative; }
  .dv2-chart { width: 100%; height: auto; display: block; }
  .dv2-tip { position: absolute; transform: translate(-50%, -130%); background: var(--bs-stock-2);
    border: 1px solid var(--subtle); border-radius: var(--radius); padding: 6px 10px;
    font-size: 11px; color: var(--text); pointer-events: none; white-space: nowrap;
    display: flex; flex-direction: column; gap: 1px;
    box-shadow: 0 6px 18px rgba(12, 15, 11, 0.42); z-index: 5; }
  .dv2-tip b { color: var(--gold); font-size: 10px; letter-spacing: 0.08em; }
  .dv2-timing-chips { display: flex; gap: 12px; flex-wrap: wrap; }
  /* Your Patterns */
  .dvp-sub { font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--muted); margin: 16px 0 8px; }
  .dvp-sub:first-child { margin-top: 0; }
  .dvp-traps { display: flex; flex-direction: column; gap: 6px; }
  .dvp-trap-row { display: flex; align-items: center; gap: 10px; }
  .dvp-trap-name { font-size: 13px; color: var(--text); width: 160px; flex-shrink: 0;
    text-transform: capitalize; }
  .dvp-bar { flex: 1; height: 8px; background: var(--surface); border-radius: var(--radius); overflow: hidden; }
  .dvp-bar-fill { height: 100%; background: linear-gradient(90deg, var(--red-line), var(--red)); border-radius: var(--radius); }
  .dvp-trap-count { font-size: 12px; font-weight: 700; color: var(--muted); width: 34px;
    text-align: right; font-variant-numeric: tabular-nums; }
  .dvp-pace { display: flex; flex-direction: column; gap: 6px; }
  .dvp-pace-row { display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 8px 12px; background: var(--surface); border-radius: var(--radius); }
  .dvp-pace-skill { font-size: 13px; color: var(--text); }
  .dvp-pace-time { font-size: 12px; font-weight: 700; font-variant-numeric: tabular-nums; }
  .dvp-pace-time.over { color: var(--gold); }
  .dvp-sw { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 6px; }
  .dvp-sw-row { display: flex; align-items: center; justify-content: space-between; gap: 8px;
    padding: 6px 0; border-bottom: 1px solid var(--subtle); }
  .dvp-sw-skill { font-size: 13px; color: var(--text); }
  .dvp-sw-acc { font-size: 13px; font-weight: 800; font-variant-numeric: tabular-nums; }
  .dvp-sw-acc.good { color: var(--green); }
  .dvp-sw-acc.bad { color: var(--red); }
  .dvp-overconf { margin-top: 10px; padding: 10px 12px; font-size: 12px; line-height: 1.4;
    color: var(--gold); background: var(--gold-bg); border: 1px solid var(--gold-dim);
    border-radius: var(--radius); }
  @media (max-width: 560px) { .dvp-sw { grid-template-columns: 1fr; } .dvp-trap-name { width: 120px; } }
  .dv2-tchip { flex: 1; min-width: 130px; background: var(--card);
    border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
  .dv2-tchip-val { font-size: 22px; font-weight: 800; color: var(--text);
    font-variant-numeric: tabular-nums; line-height: 1.2; }
  .dv2-tchip.good .dv2-tchip-val { color: var(--green); }
  .dv2-tchip.bad .dv2-tchip-val { color: var(--red); }
  .dv2-tchip.warn .dv2-tchip-val { color: var(--gold); }
  .dv2-tchip-label { font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--muted); margin-top: 3px; }
  .dv2-skill-domain { margin-bottom: 20px; }
  .dv2-skill-domain:last-child { margin-bottom: 0; }
  .dv2-domain-title { font-size: 11px; font-weight: 800; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
  .dv2-skill-grid { display: grid; gap: 12px;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); }
  .dv2-skill-card { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 18px; display: flex; flex-direction: column;
    gap: 10px; transition: transform 0.18s ease, border-color 0.18s ease; }
  .dv2-skill-card:hover { transform: translateY(-2px); border-color: var(--subtle); }
  .dv2-skill-top { display: flex; justify-content: space-between;
    align-items: flex-start; gap: 10px; }
  .dv2-skill-name { font-size: 14px; font-weight: 700; color: var(--text);
    line-height: 1.35; }
  .dv2-skill-chips { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
  .dv2-skill-elo { font-size: 13px; font-weight: 800; color: var(--gold);
    font-variant-numeric: tabular-nums; white-space: nowrap; }
  .dv2-chip { font-size: 9px; font-weight: 800; letter-spacing: 0.1em;
    text-transform: uppercase; padding: 3px 9px; border-radius: 999px;
    border: 1px solid var(--subtle); color: var(--muted); background: var(--surface);
    white-space: nowrap; flex-shrink: 0; }
  .dv2-chip.lesson { color: var(--gold); border-color: var(--gold-dim); background: var(--gold-bg); }
  .dv2-chip.available { color: var(--teal); border-color: var(--teal-dim); background: var(--teal-bg); }
  .dv2-chip.practicing { color: var(--purple); border-color: var(--purple-dim); background: var(--purple-bg); }
  .dv2-chip.proficient { color: var(--green); border-color: var(--green-line); background: var(--green-bg); }
  .dv2-chip.mastered { color: var(--green-bg); border-color: var(--green); background: var(--green); }
  .dv2-skill-bar-row { display: flex; align-items: center; gap: 10px; }
  .dv2-bar { flex: 1; height: 6px; border-radius: var(--radius); background: var(--surface);
    overflow: hidden; }
  .dv2-bar-fill { height: 100%; border-radius: var(--radius); }
  .dv2-bar-fill.low { background: var(--red); }
  .dv2-bar-fill.mid { background: var(--gold); }
  .dv2-bar-fill.good { background: var(--green); }
  .dv2-skill-pct { font-size: 12px; font-weight: 700; color: var(--text);
    font-variant-numeric: tabular-nums; width: 38px; text-align: right; }
  .dv2-skill-meta { font-size: 11px; color: var(--muted); letter-spacing: 0.02em; }
  .dv2-practice-btn { align-self: flex-start; background: transparent;
    border: 1px solid var(--gold-dim); color: var(--gold); font-family: inherit;
    font-size: 11px; font-weight: 700; letter-spacing: 0.06em; padding: 6px 14px;
    border-radius: var(--radius); cursor: pointer; transition: background 0.15s, color 0.15s; }
  .dv2-practice-btn:hover { background: var(--gold); color: #fff; }
  .dv2-select { background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 5px 10px; color: var(--text); font-family: inherit;
    font-size: 12px; outline: none; }
  #dv2-history-list { display: flex; flex-direction: column; gap: 8px; }
  .dv2-hist-row { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); overflow: hidden; transition: border-color 0.18s ease; }
  .dv2-hist-row:hover { border-color: var(--subtle); }
  .dv2-hist-head { display: grid; grid-template-columns: 34px 1fr auto 18px;
    gap: 12px; padding: 12px 14px; align-items: center; cursor: pointer; }
  .dv2-hist-icon { width: 26px; height: 26px; border-radius: var(--radius); display: flex;
    align-items: center; justify-content: center; font-size: 14px; font-weight: 800; }
  .dv2-hist-icon.ok { color: var(--green); background: var(--green-bg); }
  .dv2-hist-icon.miss { color: var(--red); background: var(--red-bg); }
  .dv2-hist-mid { min-width: 0; }
  .dv2-hist-domain { font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 2px; }
  .dv2-hist-stem-preview { font-size: 13px; color: var(--text); overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; }
  .dv2-hist-right { text-align: right; }
  .dv2-hist-delta { font-size: 14px; font-weight: 800; color: var(--muted);
    font-variant-numeric: tabular-nums; }
  .dv2-hist-delta.up { color: var(--green); }
  .dv2-hist-delta.down { color: var(--red); }
  .dv2-hist-meta { font-size: 10px; color: var(--muted); margin-top: 1px; }
  .dv2-hist-caret { color: var(--muted); font-size: 11px;
    transition: transform 0.2s ease; }
  .dv2-hist-row.open .dv2-hist-caret { transform: rotate(180deg); }
  .dv2-hist-detail { display: none; padding: 4px 16px 16px 60px;
    border-top: 1px solid var(--border); }
  .dv2-hist-row.open .dv2-hist-detail { display: block;
    animation: dv2FadeIn 0.22s ease both; }
  @keyframes dv2FadeIn { from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); } }
  .dv2-hist-stem { font-size: 14px; color: var(--text); line-height: 1.6;
    margin: 12px 0; }
  .dv2-hist-chips { display: flex; gap: 8px; flex-wrap: wrap; }
  .dv2-mchip { display: flex; gap: 6px; align-items: baseline; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--radius); padding: 5px 10px;
    font-size: 11px; color: var(--text); }
  .dv2-mchip span { color: var(--muted); font-size: 9px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase; }
  .dv2-mchip.ok { color: var(--green); border-color: var(--green-line); }
  .dv2-mchip.miss { color: var(--red); border-color: var(--red); }
  .dv2-loadmore { display: block; margin: 12px auto 0; max-width: 220px;
    padding: 10px; font-size: 13px; }
  .dv2-zero { text-align: center; padding: 36px 24px; background: var(--card);
    border: 1px dashed var(--subtle); border-radius: var(--radius); display: flex;
    flex-direction: column; align-items: center; gap: 6px; }
  .dv2-zero-icon { font-size: 30px; margin-bottom: 4px; }
  .dv2-zero-title { font-size: 15px; font-weight: 700; color: var(--text); }
  .dv2-zero-sub { font-size: 13px; color: var(--muted); max-width: 420px; }
  .dv2-zero-btn { margin-top: 12px; max-width: 220px; padding: 10px 16px; font-size: 13px; }

  /* ── Coach dashboard ────────────────────────────────────────────────── */
  #screen-coach { overflow-y: auto; }
  .coach-body { flex: 1; padding: 28px 32px 48px; max-width: 1200px; width: 100%;
    margin: 0 auto; }
  .coach-section { margin-bottom: 40px; }
  .tsb-table { width: 100%; max-width: 720px; border-collapse: collapse; }
  .tsb-table th { text-align: left; font-size: 11px; color: var(--muted);
    letter-spacing: 0.1em; text-transform: uppercase; padding: 6px 10px;
    border-bottom: 1px solid var(--border); }
  .tsb-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
  .tsb-name { font-weight: 600; color: var(--text); }
  .tsb-best { font-family: 'JetBrains Mono', ui-monospace, monospace;
    font-size: 15px; color: var(--gold); font-variant-numeric: tabular-nums; }
  .tsb-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }
  .tsb-dash { color: var(--subtle); }
  .coach-section-title { font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
  .student-grid { display: grid; gap: 12px;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
  .student-card { background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 18px 20px; cursor: pointer;
    transition: border-color 0.15s, transform 0.12s; }
  .student-card:hover { border-color: var(--gold); transform: translateY(-1px); }
  .student-name { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
  .student-meta { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
  .student-stats-row { display: flex; gap: 16px; align-items: baseline; }
  .student-stat { flex: 1; }
  .student-stat .val { font-size: 18px; font-weight: 700; color: var(--gold);
    font-variant-numeric: tabular-nums; }
  .student-stat .lbl { font-size: 10px; font-weight: 600; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--muted); margin-top: 2px; }
  .activity-list { display: flex; flex-direction: column; gap: 8px; }
  .activity-row { display: grid;
    grid-template-columns: minmax(140px, 1.2fr) minmax(80px, 0.8fr) minmax(80px, 1fr) minmax(80px, 1fr) minmax(100px, 1fr);
    align-items: center; gap: 12px; padding: 12px 16px;
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
  .activity-row .cell { font-size: 13px; color: var(--text); min-width: 0; }
  .activity-row .cell.muted { color: var(--muted); font-size: 12px; }
  .activity-row .cell.tight { font-variant-numeric: tabular-nums; }
  /* The five minmax floors sum to 480px + 48px of gaps = 528px before the
     coach body's own padding, and nothing in the file ever reduced the column
     count — so the coach dashboard simply overflowed every phone. */
  @media (max-width: 700px) {
    .activity-row { grid-template-columns: 1fr 1fr; row-gap: 6px; padding: 12px; }
    .activity-row .cell.tight { text-align: right; }
  }
  .coach-empty { color: var(--muted); font-size: 14px; padding: 24px; text-align: center;
    background: var(--card); border: 1px dashed var(--border); border-radius: var(--radius); }
  .coach-back { font-size: 12px; color: var(--muted); cursor: pointer; }
  .coach-back:hover { color: var(--gold); }

  /* ── Writing — student assignment loop ─────────────────────────────── */
  .writing-body { max-width: 860px; margin: 0 auto; padding: 24px 20px 60px; }
  .wr-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 14px; }
  .wr-title { font-size: 15px; font-weight: 700; color: var(--text); }
  .wr-sub { font-size: 11px; color: var(--muted); margin-top: 4px; letter-spacing: 0.04em; }
  .wr-prompt { font-size: 13px; color: var(--text); margin: 10px 0; line-height: 1.55; white-space: pre-wrap; }
  .wr-textarea { width: 100%; min-height: 260px; resize: vertical; background: rgba(12, 15, 11, 0.12); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; color: var(--text); font-family: inherit; font-size: 14px; line-height: 1.6; box-sizing: border-box; }
  .wr-textarea:focus { outline: none; border-color: var(--gold); }
  .wr-meta-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 10px; }
  .wr-meta-row .btn-primary { width: auto; padding: 10px 18px; }
  .wr-wordcount { font-size: 11px; color: var(--muted); letter-spacing: 0.06em; }
  .wr-past-row { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; color: var(--muted); padding: 6px 0; border-top: 1px dashed var(--border); cursor: pointer; margin-top: 8px; }
  .wr-past-row:hover { color: var(--gold); }
  .wr-score-row { display: flex; align-items: baseline; gap: 12px; }
  .wr-score { font-size: 30px; font-weight: 800; color: var(--gold); }
  .wr-score-sub { font-size: 11px; color: var(--muted); letter-spacing: 0.06em; }
  .wr-feedback { font-size: 13px; line-height: 1.6; color: var(--text); margin: 12px 0; white-space: pre-wrap; }
  .wr-rubric { width: 100%; border-collapse: collapse; font-size: 12px; }
  .wr-rubric td { padding: 8px 10px; border-top: 1px solid var(--border); vertical-align: top; }
  .wr-pts { white-space: nowrap; font-weight: 700; }
  .wr-pts.full { color: var(--green); }
  .wr-pts.partial { color: var(--gold); }
  .wr-pts.miss { color: var(--red); }
  .wr-rationale { color: var(--muted); line-height: 1.5; }
  .wr-issue-head { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; font-weight: 700; }
  .wr-issue-recover { color: var(--gold); font-weight: 600; white-space: nowrap; }
  .wr-diagnosis { font-size: 13px; line-height: 1.55; margin: 8px 0; }
  .wr-passage { font-size: 12px; color: var(--muted); font-style: italic; border-left: 2px solid var(--border); padding-left: 10px; margin: 8px 0; }
  .wr-instructions { font-size: 12px; color: var(--text); margin: 8px 0; line-height: 1.5; }
  .wr-criteria { font-size: 11px; color: var(--muted); margin: 6px 0 8px; }
  .wr-criteria li { margin: 2px 0 2px 16px; }
  .wr-counter { font-size: 10px; color: var(--muted); margin-top: 4px; letter-spacing: 0.05em; }
  .wr-counter.too-short { color: var(--red); }
  .wr-counter.ok { color: var(--green); }
  .wr-gain { font-weight: 800; color: var(--green); margin-top: 10px; font-size: 13px; }
  .wr-gain.zero { color: var(--muted); }
  .wr-eval { font-size: 12px; color: var(--muted); line-height: 1.5; margin-top: 6px; }
  .wr-crit-row { font-size: 11px; margin-top: 3px; }
  .wr-crit-row.met { color: var(--green); }
  .wr-crit-row.unmet { color: var(--red); }

  .coach-link { display: block; text-align: center; margin-top: 20px;
    color: var(--muted); font-size: 12px; cursor: pointer; letter-spacing: 0.06em; }
  .coach-link:hover { color: var(--gold); }

  /* ── Calibration (diagnostic) banner ────────────────────────────────── */
  .calib-banner { background: #e4e7f9;
    border-bottom: 1px solid #aab2ea; text-align: center; padding: 8px;
    font-size: 11px; font-weight: 700; letter-spacing: 0.14em; color: var(--bs-blue);
    text-transform: uppercase; flex-shrink: 0; display: flex; justify-content: center;
    align-items: center; gap: 12px; }
  .calib-banner .pip-dot { width: 7px; height: 7px; border-radius: 50%; background: #aab2ea; }
  .calib-banner .pip-dot.lit { background: var(--bs-blue); box-shadow: 0 0 6px rgba(21,36,216,0.35); }

  /* ── Utilities ──────────────────────────────────────────────────────── */
  .loading-center { display: flex; flex-direction: column; align-items: center;
    justify-content: center; height: 100%; gap: 16px; color: var(--muted); font-size: 14px; }
  .spinner { width: 32px; height: 32px; border: 3px solid var(--border);
    border-top-color: var(--gold); border-radius: 50%; animation: spin 0.7s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }
  .streak-flash { position: fixed; top: 80px; left: 50%; transform: translateX(-50%);
    background: var(--gold); color: #fff; font-weight: 700; font-size: 14px;
    padding: 10px 24px; border-radius: 999px; z-index: 100; opacity: 0;
    transition: opacity 0.3s; pointer-events: none; letter-spacing: 0.04em; }
  #error-toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
    background: var(--red-bg); border: 1px solid var(--red); color: var(--red); font-size: 13px;
    padding: 12px 20px; border-radius: var(--radius); z-index: 200; opacity: 0;
    transition: opacity 0.25s; pointer-events: none; max-width: 90%; text-align: center; }