/* ════════════════════════════════════════════════════════════════════════════
   Ossify — shared Tutor Mode styles
   Used by practice.html and exam.html (Timed Exam review). Moved verbatim
   from practice.html; LOCKED FORMAT rules in FORMATTING.md apply.
   Relies on the Ossify :root tokens (--pu-*, --pk-*, --lav-*, --ink, --muted…)
   which every app page defines.
   ════════════════════════════════════════════════════════════════════════════ */

/* Option letter chip */
.option-letter{font-size:11.5px;font-weight:700;color:var(--pu-mid);background:var(--pu-pale);border-radius:6px;min-width:26px;height:26px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px;transition:all .15s;}

/* References */
.refs-body{display:flex;flex-direction:column;}
.ref-item{display:flex;align-items:flex-start;gap:9px;padding:7px 0;border-bottom:0.5px solid var(--lav-border);font-size:12px;line-height:1.65;color:var(--muted);}
.ref-item:last-child{border-bottom:none;}
.ref-num{font-weight:700;color:var(--pu-mid);flex-shrink:0;min-width:28px;padding-top:1px;}
.ref-text{flex:1;}
.ref-preamble{font-size:11.5px;color:var(--muted);padding:6px 0 8px;border-bottom:0.5px solid var(--lav-border);line-height:1.6;font-style:italic;}

/* Tutor panel container */
.tutor-panels{margin-top:18px;padding-top:18px;border-top:0.5px solid var(--lav-border);}

/* ═══════════════════════════════════════════════════════════════════
   JS-generated class names — styled to match dashboard aesthetic
   ═══════════════════════════════════════════════════════════════════ */

/* Question wrapper */
.q-wrapper{padding:20px 22px;}

/* Badge row */
.q-badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:14px;}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:10.5px;font-weight:600;letter-spacing:.3px;}
.badge-id{background:var(--pu-pale);color:var(--pu-dark);border:0.5px solid var(--pu-light);}
.badge-type{background:#e0f0ff;color:#1e40af;border:0.5px solid #93c5fd;}
.badge-topic{background:var(--lav);color:var(--moss);border:0.5px solid var(--lav-border);}
.badge-domain{background:#fef3c7;color:#92400e;border:0.5px solid #fcd34d;}

/* EMQ set header */
.emq-set-header{background:var(--pu-pale);border:0.5px solid var(--pu-light);border-radius:12px;padding:16px 18px;margin-bottom:18px;}
.emq-set-title{font-family:var(--font-serif);font-size:15px;font-weight:500;color:var(--pu-dark);margin-bottom:6px;}
.emq-set-instruction{font-size:12px;color:var(--muted);margin-bottom:14px;line-height:1.55;}
.emq-options-list{display:grid;grid-template-columns:1fr 1fr;gap:4px 20px;}
.emq-opt-item{display:flex;align-items:baseline;gap:7px;font-size:13px;color:var(--ink);padding:3px 0;}
.emq-opt-letter{font-weight:700;color:var(--pu-mid);min-width:18px;}

/* Scenario number */
.emq-q-num{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--pu-mid);margin-bottom:8px;}

/* Stem */
.q-stem{font-size:15px;line-height:1.72;color:var(--ink);margin-bottom:20px;}

/* ── Tutor panels ── */
.tutor-panels.visible{padding-top:18px;margin-top:18px;border-top:0.5px solid var(--lav-border);display:block;}

/* Result banner */
.result-banner-tp{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border-radius:11px;margin-bottom:14px;font-size:13.5px;line-height:1.5;}
.result-banner-tp.correct{background:#f0fdf4;border:0.5px solid #86efac;color:#166534;}
.result-banner-tp.wrong{background:var(--pk-pale);border:0.5px solid var(--pk-border);color:var(--red);}
.result-banner-tp strong{font-weight:700;margin-right:6px;}
.rb-icon{font-size:18px;flex-shrink:0;margin-top:1px;}

/* Answer explanation cards */
.tp-card{background:#fff;border:0.5px solid var(--lav-border);border-radius:12px;overflow:hidden;margin-bottom:8px;}
.tp-card-title{font-size:12.5px;font-weight:700;color:var(--pu-dark);padding:12px 15px;border-bottom:0.5px solid var(--lav-border);background:var(--pu-ultra);}

/* Individual answer block */
.ans-block{display:flex;align-items:flex-start;gap:12px;padding:11px 14px;border-radius:9px;margin-bottom:4px;cursor:pointer;transition:background .15s;}
.ans-block:hover{background:var(--pu-ultra);}
.ans-block.is-correct{background:#f0fdf4;border:0.5px solid #bbf7d0;}
.ans-block.is-wrong{background:var(--pk-pale);border:0.5px solid var(--pk-border);}
.ans-circle{width:28px;height:28px;border-radius:7px;background:var(--pu-pale);color:var(--pu-dark);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.ans-circle.ans-c-correct{background:#22c55e;color:#fff;}
.ans-circle.ans-c-wrong{background:var(--red);color:#fff;}
.ans-circle.ans-c-neutral{background:var(--pu-pale);color:var(--pu-dark);}
.ans-block-header{display:flex;align-items:flex-start;gap:12px;width:100%;}
.ans-meta{flex:1;min-width:0;}
.ans-status{font-size:11px;font-weight:700;margin-bottom:2px;text-transform:uppercase;letter-spacing:.5px;}
.ans-status.ans-s-correct{color:#16a34a;}
.ans-status.ans-s-wrong{color:var(--red);}
.ans-status.ans-s-neutral{color:var(--muted);}
.ans-brief{font-size:13px;color:var(--ink);line-height:1.55;}
.btn-tp-detail{margin-top:7px;padding:4px 12px;background:var(--pu-pale);border:none;border-radius:6px;font-size:11.5px;font-weight:600;color:var(--pu-dark);cursor:pointer;font-family:var(--font-sans);transition:all .15s;}
.btn-tp-detail:hover{background:var(--pu-light);color:#fff;}
.ans-detail-body{display:none;font-size:12.5px;color:var(--ink);line-height:1.7;margin-top:9px;padding-top:9px;border-top:0.5px solid var(--lav-border);}
.ans-detail-body.open{display:block;}
.ans-detail-body p{margin-bottom:7px;}

/* High-yield summary bullet items */
.hys-bullet-item{display:flex;gap:10px;padding:7px 0;border-bottom:0.5px solid var(--lav-border);font-size:13px;color:var(--ink);line-height:1.65;}
.hys-bullet-item:last-child{border-bottom:none;}
.hys-dot{color:var(--teal-d);font-weight:900;font-size:15px;flex-shrink:0;line-height:1.4;}
.hys-text{min-width:0;overflow-wrap:anywhere;}
.hys-dot.hys-num{font-size:12px;font-weight:700;line-height:1.65;min-width:16px;}
.hys-para{font-size:13px;color:var(--ink);line-height:1.65;margin:2px 0 8px;}
.hys-heading{font-size:12.5px;font-weight:700;color:var(--teal-d);margin:12px 0 2px;}
.hys-heading:first-child{margin-top:0;}
.hys-list + .hys-para,.hys-list + .hys-heading{margin-top:12px;}
.hys-list .hys-bullet-item:last-child{border-bottom:none;}
.hys-refs-heading{color:var(--muted);font-weight:600;margin-top:14px;padding-top:12px;border-top:0.5px solid var(--lav-border);}
.hys-refs{padding:4px 0 0;}
.hys-refs .ref-text{min-width:0;overflow-wrap:anywhere;}

/* High-yield summary panel */
.hys-panel{background:#fff;border:0.5px solid var(--lav-border);border-radius:12px;overflow:hidden;margin-bottom:8px;}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:12px 15px;cursor:pointer;transition:background .15s;}
.panel-header:hover{background:var(--pu-ultra);}
.panel-title{font-size:12.5px;font-weight:700;display:flex;align-items:center;gap:6px;}
.panel-title.teal{color:var(--teal-d);}
.panel-chevron{font-size:11px;color:var(--muted);transition:transform .2s;display:inline-block;}
.panel-chevron.open{transform:rotate(180deg);}
.panel-body{padding:12px 15px;border-top:0.5px solid var(--lav-border);}
.hys-body{font-size:13px;color:var(--ink);line-height:1.8;}
.refs-text{font-size:12px;color:var(--muted);line-height:1.75;}

/* Clue rows */
.clue-row-tp{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;margin-bottom:3px;cursor:pointer;transition:background .15s;}
.clue-row-tp:hover{background:var(--pu-ultra);}
.clue-row-tp.open{background:var(--pu-ultra);}
.clue-tag-tp{font-size:9.5px;font-weight:700;padding:2px 8px;border-radius:20px;white-space:nowrap;}
.clue-tag-tp.tag-clue{background:var(--pu-pale);color:var(--pu-dark);border:0.5px solid var(--pu-light);}
.clue-tag-tp.tag-distractor{background:var(--pk-pale);color:#9b2058;border:0.5px solid var(--pk-border);}
.clue-label-tp{font-size:13.5px;font-weight:500;color:var(--ink);line-height:1.5;}
.clue-chev-tp{font-size:10px;color:var(--muted);transition:transform .2s;}
.clue-row-tp.open .clue-chev-tp{transform:rotate(90deg);}

/* Clue expanded detail */
.clue-det-tp, .dist-det-tp{display:none;font-size:12.5px;color:var(--muted);line-height:1.65;padding:6px 12px 10px;border-top:0.5px solid var(--lav-border);}
.clue-det-tp.open, .dist-det-tp.open{display:block;}
/* js/ossify-tutor.js (tpClueRowHtml) outputs these class names. Without these rules the
   clue/distractor explanations were always open and unstyled. Rows open on click (.open). */
.clue-tag-tp.tag-tp-clue{background:#fef3c7;color:#854d0e;border:0.5px solid #fcd34d;}
.clue-tag-tp.tag-tp-dist{background:#dbeafe;color:#1e40af;border:0.5px solid #93c5fd;}
.clue-detail-tp{display:none;font-size:13px;color:var(--ink);line-height:1.7;padding:4px 12px 10px 12px;margin:0 0 4px;}
.clue-row-tp.open + .clue-detail-tp{display:block;}
/* Key clues / distractors panels: closed by default, opened from the header */
.tp-collapsible .panel-title{color:var(--pu-dark);}
.tp-collapsible .panel-header:focus-visible{outline:2px solid var(--pu-mid);outline-offset:-2px;}
.tp-clue-body{padding:6px 6px 4px;}
.tp-count{font-size:10.5px;font-weight:600;color:var(--muted);background:var(--pu-ultra);border:0.5px solid var(--lav-border);border-radius:10px;padding:1px 7px;}

/* Splash icon (JS generates splash-icon, CSS has splash-ico) */
.splash-icon{font-size:42px;margin-bottom:16px;}

/* ── Stem annotation: clues (yellow) + distractors (blue) with hover tooltips */
.stem-clue, .stem-distractor {
  position: relative;
  padding: 1px 4px;
  border-radius: 4px;
  cursor: help;
  font-weight: 600;
  white-space: normal;
  display: inline;
}
/* stem-tip text is hidden — read by JS tooltip, not rendered inline */
.stem-tip { display: none !important; }
.stem-clue {
  background: #fef08a;
  color: #713f12;
  border-bottom: 2px solid #ca8a04;
}
.stem-distractor {
  background: #bae6fd;
  color: #0c4a6e;
  border-bottom: 2px solid #0284c7;
}
/* Tooltip bubble */
.stem-tip {
  display: none;
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #f1f5f9;
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.6;
  padding: 10px 14px;
  border-radius: 10px;
  width: 300px;
  max-width: 90vw;
  z-index: 60;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25);
  pointer-events: none;
  text-align: left;
  white-space: normal;
}
/* Arrow on tooltip */
.stem-tip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 7px solid transparent;
  border-top-color: #1e293b;
}
/* Show on hover / keyboard focus */
.stem-clue:hover .stem-tip,
.stem-clue:focus .stem-tip,
.stem-distractor:hover .stem-tip,
.stem-distractor:focus .stem-tip { display: block; }
/* Key below the stem when annotated (stemLegendHtml in js/ossify-tutor.js) */
.stem-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: -4px 0 16px;
  padding: 9px 12px;
  border: 0.5px solid var(--lav-border);
  border-radius: 9px;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--muted);
}
.stem-legend > span {
  display: flex;
  align-items: baseline;
  gap: 7px;
}
.stem-legend strong { color: var(--ink); font-weight: 600; }
.stem-legend-clue, .stem-legend-dist {
  display: inline-block;
  position: relative; top: 1px;
  width: 11px; height: 11px; border-radius: 2px; flex-shrink: 0;
}
.stem-legend-clue {
  background: #fef08a; border-bottom: 2px solid #ca8a04;
}
.stem-legend-dist {
  background: #bae6fd; border-bottom: 2px solid #0284c7;
}
.stem-legend > .stem-legend-tip { flex-basis: 100%; font-style: italic; }

/* Toast notification */
.toast-msg{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(16px);
  background:#1e293b;color:#f1f5f9;padding:12px 22px;border-radius:10px;
  font-size:13.5px;font-weight:500;z-index:200;opacity:0;transition:all .25s;
  box-shadow:0 6px 24px rgba(0,0,0,.25);pointer-events:none;}
.toast-msg.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* Resume session banner */
.resume-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:var(--pu-pale);border:0.5px solid var(--pu-light);border-radius:12px;
  padding:14px 18px;margin-bottom:18px;flex-wrap:wrap;}
.rb-info strong{display:block;font-size:13.5px;font-weight:600;color:var(--pu-dark);margin-bottom:3px;}
.rb-info span{font-size:12px;color:var(--muted);}
.rb-acts{display:flex;gap:8px;flex-shrink:0;}
.rb-btn-resume{padding:8px 16px;background:var(--pu-mid);border:none;border-radius:8px;
  color:#fff;font-size:13px;font-weight:600;font-family:var(--font-sans);cursor:pointer;transition:all .15s;}
.rb-btn-resume:hover{background:var(--pu-dark);}
.rb-btn-discard{padding:8px 14px;background:transparent;border:0.5px solid var(--lav-border);
  border-radius:8px;color:var(--muted);font-size:13px;font-weight:500;
  font-family:var(--font-sans);cursor:pointer;transition:all .15s;}
.rb-btn-discard:hover{border-color:var(--red);color:var(--red);}

/* Save-for-later button */
.btn-save-later{display:none;align-items:center;gap:6px;padding:6px 14px;
  background:var(--pu-pale);border:0.5px solid var(--pu-light);border-radius:8px;
  color:var(--pu-dark);font-size:12.5px;font-weight:500;font-family:var(--font-sans);
  cursor:pointer;transition:all .15s;}
.btn-save-later:hover{background:#e0d5fc;}
.btn-save-later svg{width:13px;height:13px;fill:none;stroke:var(--pu-mid);
  stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}

/* Clickable logo */
.sb-logo{cursor:pointer;}
.sb-logo:hover{opacity:.85;}

/* Answered option boxes — inline brief + detailed explanations */
.opt-ans-box{padding:12px 14px;border:1px solid var(--lav-border);border-radius:10px;background:#fff;margin-bottom:7px;}
.opt-ans-box.opt-correct{border:1.5px solid #86efac;background:#f0fdf4;}
.opt-ans-box.opt-wrong{border:1.5px solid var(--pk-border);background:var(--pk-pale);}
.opt-ans-top{display:flex;align-items:flex-start;gap:12px;margin-bottom:6px;}
.opt-ans-label{flex:1;font-size:13.5px;color:var(--ink);line-height:1.5;}
.opt-badge{font-size:11px;font-weight:700;white-space:nowrap;flex-shrink:0;margin-top:2px;}
.opt-badge-correct{color:#16a34a;}
.opt-badge-wrong{color:var(--red);}
.opt-ltr-correct{background:#22c55e !important;color:#fff !important;}
.opt-ltr-wrong{background:var(--red) !important;color:#fff !important;}
.opt-ans-brief{font-size:12.5px;color:var(--muted);line-height:1.6;margin:0 0 7px 38px;}
.opt-det-btn{margin-left:38px;margin-bottom:4px;}
.opt-ans-box .ans-detail-body{margin-left:38px;margin-top:8px;padding-top:8px;border-top:0.5px solid rgba(0,0,0,.07);}
.opt-ans-box .ans-detail-body p{margin-bottom:6px;font-size:12.5px;line-height:1.7;color:var(--ink);}
.opt-ans-box .ans-detail-body p:last-child{margin-bottom:0;}

/* contrast: white on the previous green was 2.28:1; #15803d is 5.0:1 */
.option-letter.opt-ltr-correct{background:#15803d!important;border-color:#15803d!important;}
.opt-badge.opt-badge-correct{color:#15803d;}