/* ═══════════════════════════════════════════════════════
   Data Detective — Style
   Ages 9–12 · Detective Noir Theme
   Palette: dark navy · amber · blue · red
════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0f1e;
  --surface:   #111827;
  --surface2:  #1a2436;
  --border:    #1e3a5f;
  --amber:     #f59e0b;
  --amber-dim: #92400e;
  --danger:    #ef4444;
  --data-blue: #3b82f6;
  --green:     #10b981;
  --text:      #e2e8f0;
  --dim:       #64748b;
  --folder-bg: #d4a044;
  --folder-dk: #b8882c;
  --radius:    12px;
  --shadow:    0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.7);
}

html, body {
  height: 100%;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Three.js background ────────────────────────────── */

#bg-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

/* ─── Screen system ──────────────────────────────────── */

.screen {
  display: none; position: fixed; inset: 0;
  z-index: 10; flex-direction: column;
  overflow: hidden;
}
.screen.active { display: flex; }

/* ═══════════════════════════════════════════════════════
   INTRO SCREEN
════════════════════════════════════════════════════════ */

#screen-intro {
  align-items: center; justify-content: center;
  padding: 24px;
  background: radial-gradient(ellipse at 30% 40%, rgba(59,130,246,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 60%, rgba(245,158,11,0.06) 0%, transparent 50%);
}

.intro-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 20px; max-width: 680px; width: 100%; text-align: center;
}

.agency-eyebrow {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.3em;
  color: var(--amber); text-transform: uppercase;
}

.agency-title {
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 900; line-height: 1.05;
  color: var(--text); letter-spacing: -0.02em;
}

.agency-sub-title {
  display: block; font-weight: 300;
  color: var(--amber); font-style: italic; letter-spacing: 0.05em;
}

.agency-tagline {
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  color: var(--dim); line-height: 1.65;
}

.agency-tagline strong { color: var(--text); }

/* ─── Case cards grid ────────────────────────────────── */

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px; width: 100%;
}

.case-card-intro {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  cursor: pointer; position: relative;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  text-align: left;
}

.case-card-intro:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 0 24px rgba(245,158,11,0.2);
}

.case-card-intro.solved {
  border-color: var(--green);
  opacity: 0.75;
}

.case-num-badge {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.15em;
  color: var(--amber); text-transform: uppercase; margin-bottom: 6px;
}

.case-codename {
  font-size: clamp(0.78rem, 2vw, 0.9rem);
  font-weight: 700; color: var(--text);
  margin-bottom: 8px; line-height: 1.3;
}

.case-ai-tag {
  font-size: 0.75rem; color: var(--dim); margin-bottom: 12px;
}

.diff-badge {
  font-size: 0.8rem; color: var(--amber);
}

.btn-open-case {
  display: block; width: 100%; margin-top: 14px;
  padding: 9px 0;
  background: var(--amber); color: #000;
  border: none; border-radius: 8px;
  font-size: 0.85rem; font-weight: 800;
  cursor: pointer; transition: background 0.15s ease, transform 0.1s ease;
}

.btn-open-case:hover { background: #fbbf24; transform: scale(1.03); }
.btn-open-case:active { transform: scale(0.97); }

.solved-tag {
  position: absolute; top: 10px; right: 10px;
  background: var(--green); color: #fff;
  font-size: 0.6rem; font-weight: 800;
  letter-spacing: 0.1em; padding: 2px 7px;
  border-radius: 50px; text-transform: uppercase;
}

.intro-footer {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap; justify-content: center;
}

.badge-pill {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 50px; padding: 5px 14px;
  font-size: 0.8rem; color: var(--text);
}

.badge-pill.dim { color: var(--dim); }

/* ═══════════════════════════════════════════════════════
   BRIEFING SCREEN — Manila folder
════════════════════════════════════════════════════════ */

#screen-briefing {
  align-items: center; justify-content: center; padding: 20px;
  background: rgba(0,0,0,0.7);
}

.folder-outer { max-width: 520px; width: 100%; }

.folder-wrap {
  background: var(--folder-bg);
  border-radius: 4px 4px 8px 8px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: folderReveal 0.45s cubic-bezier(0.34,1.56,0.64,1) forwards;
}

@keyframes folderReveal {
  from { transform: translateY(50px) scale(0.95); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

.folder-classified {
  background: var(--folder-dk);
  color: var(--folder-bg);
  font-size: 0.65rem; font-weight: 900;
  letter-spacing: 0.3em; text-align: center;
  padding: 6px 0; text-transform: uppercase;
}

.folder-body { background: #fefce8; padding: 24px 22px 22px; }

.brief-top {
  display: flex; flex-direction: column; gap: 4px;
  margin-bottom: 18px; border-bottom: 2px solid var(--folder-dk); padding-bottom: 12px;
}

.brief-case-num {
  font-size: 0.7rem; font-weight: 800; letter-spacing: 0.2em;
  color: var(--folder-dk); text-transform: uppercase;
}

.brief-codename {
  font-size: clamp(1rem, 3.5vw, 1.3rem);
  font-weight: 900; color: #1a1a1a;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.05em;
}

.brief-grid {
  display: grid; grid-template-columns: 1fr auto; gap: 12px;
  margin-bottom: 14px;
}

.brief-block { margin-bottom: 14px; }

.brief-label {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--folder-dk); text-transform: uppercase; margin-bottom: 4px;
}

.brief-value { font-size: 0.95rem; color: #1a1a1a; }
.brief-value.bold { font-weight: 700; }
.brief-value.dim  { color: #555; font-size: 0.85rem; }

.brief-diff { font-size: 1.2rem; color: var(--folder-dk); }

.brief-complaint {
  font-size: 0.92rem; color: #2c2c2c; line-height: 1.6;
  border-left: 3px solid var(--folder-dk); padding-left: 12px;
  font-style: italic;
}

.brief-leads { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }

.lead-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: #333;
}

.lead-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--folder-dk); flex-shrink: 0;
}

.brief-actions { margin-top: 20px; display: flex; justify-content: center; }

/* ═══════════════════════════════════════════════════════
   INVESTIGATION SCREEN
════════════════════════════════════════════════════════ */

#screen-investigate { background: var(--bg); }

.inv-header {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 16px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  flex-shrink: 0; z-index: 20;
}

.inv-logo {
  font-size: 0.9rem; font-weight: 800; color: var(--amber);
  letter-spacing: 0.02em;
}

.inv-case-pill {
  background: var(--border); color: var(--text);
  border-radius: 50px; padding: 3px 12px;
  font-size: 0.75rem; font-weight: 700;
}

.inv-spacer { flex: 1; }

.inv-timer {
  font-family: 'Courier New', monospace;
  font-size: 0.88rem; color: var(--dim); font-weight: 700;
}

/* Three-panel layout */
.investigation-layout {
  display: grid;
  grid-template-columns: 210px 1fr 200px;
  gap: 10px; padding: 10px;
  flex: 1; overflow: hidden; min-height: 0;
}

/* ─── Left panel ─────────────────────────────────────── */

.panel-left {
  display: flex; flex-direction: column; gap: 10px;
  overflow-y: auto; scrollbar-width: none;
}
.panel-left::-webkit-scrollbar { display: none; }

.case-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
}

.case-tag {
  font-size: 0.6rem; font-weight: 800; letter-spacing: 0.2em;
  color: var(--amber); text-transform: uppercase; margin-bottom: 8px;
}

.case-field-label {
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.1em;
  color: var(--dim); text-transform: uppercase; margin-bottom: 3px;
}

.case-ai-name  { font-size: 0.92rem; font-weight: 700; color: var(--text); }
.case-ai-client{ font-size: 0.78rem; color: var(--dim); margin-bottom: 10px; }
.case-divider  { border: none; border-top: 1px solid var(--border); margin: 10px 0; }
.case-problem  { font-size: 0.8rem; color: var(--dim); line-height: 1.55; }

.clue-checklist {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
  flex: 1;
}

.clue-list-hdr {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--amber); text-transform: uppercase; margin-bottom: 12px;
}

.clue-item {
  display: flex; align-items: flex-start; gap: 8px;
  margin-bottom: 10px; transition: color 0.25s ease;
}

.clue-dot {
  font-size: 1rem; color: var(--dim); flex-shrink: 0;
  transition: color 0.25s ease;
}

.clue-item.found .clue-dot { color: var(--green); }
.clue-item.found .clue-text { color: var(--text); font-weight: 600; }

.clue-text {
  font-size: 0.78rem; color: var(--dim); line-height: 1.4;
}

/* ─── Center panel — chart area ──────────────────────── */

.panel-center {
  display: flex; flex-direction: column; gap: 8px;
  min-width: 0; min-height: 0;
}

.chart-tabs {
  display: flex; gap: 6px; flex-shrink: 0;
}

.chart-tab {
  padding: 6px 18px;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 8px 8px 0 0; color: var(--dim);
  font-size: 0.8rem; font-weight: 700; cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.chart-tab.active  { background: var(--surface2); border-color: var(--amber); color: var(--amber); }
.chart-tab:hover:not(.active) { color: var(--text); border-color: var(--dim); }

.chart-title-bar {
  display: flex; align-items: baseline; gap: 12px; flex-shrink: 0;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  padding: 8px 14px;
}

.chart-title-text {
  font-size: 0.9rem; font-weight: 700; color: var(--text);
  font-family: 'Courier New', monospace;
}

.chart-hint {
  font-size: 0.7rem; color: var(--amber); opacity: 0.8; white-space: nowrap;
}

.chart-wrap {
  flex: 1; min-height: 0; position: relative;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}

#chart-canvas {
  display: block; width: 100%; height: 100%; cursor: crosshair;
}

.chart-tooltip {
  position: absolute; pointer-events: none;
  background: rgba(10,15,30,0.95);
  border: 1.5px solid var(--amber);
  border-radius: 8px; padding: 8px 12px;
  font-size: 0.8rem; color: var(--text); line-height: 1.45;
  max-width: 220px; z-index: 50;
  box-shadow: 0 4px 16px rgba(245,158,11,0.25);
}

.chart-tooltip.hidden { display: none; }

.chart-insight {
  flex-shrink: 0; font-size: 0.82rem; color: var(--dim);
  padding: 6px 12px; line-height: 1.5;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ─── Right panel — evidence bag ─────────────────────── */

.panel-right {
  display: flex; flex-direction: column; gap: 10px;
}

.ev-bag-title {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.15em;
  color: var(--amber); text-transform: uppercase;
}

.ev-slots { display: flex; flex-direction: column; gap: 8px; }

.ev-slot {
  background: var(--surface); border: 1.5px dashed var(--border);
  border-radius: var(--radius); padding: 10px 12px;
  display: flex; align-items: center; gap: 8px;
  transition: all 0.3s ease;
  min-height: 56px;
}

.ev-slot.found {
  border: 1.5px solid var(--green);
  background: rgba(16,185,129,0.08);
  animation: clueFlip 0.4s ease;
}

@keyframes clueFlip {
  0%   { transform: rotateY(90deg); opacity: 0; }
  100% { transform: rotateY(0deg); opacity: 1; }
}

.ev-icon { font-size: 1.2rem; flex-shrink: 0; }
.ev-slot.found .ev-icon { font-size: 1rem; }

.ev-slot-text { font-size: 0.75rem; color: var(--dim); line-height: 1.35; }
.ev-slot.found .ev-slot-text { color: var(--text); font-weight: 600; }

.ev-slot-label {
  font-size: 0.65rem; font-weight: 700; color: var(--green);
  text-transform: uppercase; letter-spacing: 0.08em; display: block; margin-bottom: 2px;
}

.ev-progress {
  font-size: 0.78rem; color: var(--dim); text-align: center;
}

.btn-verdict {
  width: 100%; padding: 12px 0;
  background: var(--amber); color: #000;
  border: none; border-radius: var(--radius);
  font-size: 0.9rem; font-weight: 800; cursor: pointer;
  font-family: inherit; transition: all 0.15s ease;
  margin-top: auto;
}

.btn-verdict:hover:not(:disabled) {
  background: #fbbf24; transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,158,11,0.4);
}

.btn-verdict:disabled {
  opacity: 0.3; cursor: not-allowed;
}

.btn-verdict.ready {
  animation: verdictPulse 1.5s ease-in-out infinite;
}

@keyframes verdictPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.5); }
  50%       { box-shadow: 0 0 0 10px rgba(245,158,11,0); }
}

/* ═══════════════════════════════════════════════════════
   VERDICT SCREEN
════════════════════════════════════════════════════════ */

#screen-verdict {
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
  overflow-y: auto;
}

.verdict-inner {
  max-width: 800px; margin: 0 auto; padding: 32px 20px;
  display: flex; flex-direction: column; gap: 24px;
}

.verdict-heading {
  font-size: clamp(1.3rem, 4vw, 1.8rem); font-weight: 900; color: var(--text);
}

.verdict-sub {
  font-size: 0.92rem; color: var(--dim); line-height: 1.55;
}

/* Evidence summary */
.ev-summary {
  display: flex; gap: 10px; flex-wrap: wrap;
}

.ev-summary-card {
  background: var(--surface); border: 1px solid var(--green);
  border-radius: var(--radius); padding: 10px 14px;
  flex: 1; min-width: 160px;
}

.ev-summary-label {
  font-size: 0.65rem; font-weight: 800; letter-spacing: 0.12em;
  color: var(--green); text-transform: uppercase; margin-bottom: 4px;
}

.ev-summary-text {
  font-size: 0.82rem; color: var(--text); line-height: 1.45;
}

/* Choice sections */
.choice-section { display: flex; flex-direction: column; gap: 12px; }
.choice-section.hidden { display: none; }

.choice-label {
  font-size: 0.82rem; font-weight: 700; color: var(--amber);
  text-transform: uppercase; letter-spacing: 0.08em;
}

.bias-choices, .fix-choices {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px;
}

.choice-card {
  background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius); padding: 14px;
  cursor: pointer; transition: all 0.15s ease;
  text-align: left;
}

.choice-card:hover:not(.disabled) {
  border-color: var(--amber); background: var(--surface2);
  transform: translateY(-2px); box-shadow: 0 4px 16px rgba(245,158,11,0.2);
}

.choice-card.correct {
  border-color: var(--green); background: rgba(16,185,129,0.1);
}

.choice-card.wrong {
  border-color: var(--danger); background: rgba(239,68,68,0.08);
  animation: cardShake 0.35s ease;
}

.choice-card.disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }

@keyframes cardShake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-8px); }
  40%       { transform: translateX(8px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(4px); }
}

.choice-icon { font-size: 1.5rem; margin-bottom: 6px; }
.choice-title { font-size: 0.88rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.choice-desc  { font-size: 0.76rem; color: var(--dim); line-height: 1.45; }

.attempt-msg {
  font-size: 0.82rem; min-height: 1.4em;
  color: var(--danger);
}

/* ═══════════════════════════════════════════════════════
   CASE DONE SCREEN
════════════════════════════════════════════════════════ */

#screen-case-done {
  background: var(--bg); align-items: center; justify-content: center;
}

#confetti-stage, #confetti-stage-2 {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}

.confetti-bit {
  position: absolute; top: -20px; border-radius: 3px;
  animation: confettiFall linear forwards;
}

@keyframes confettiFall {
  0%   { transform: translateY(-30px) rotate(0deg); opacity: 1; }
  85%  { opacity: 1; }
  100% { transform: translateY(110vh) rotate(720deg); opacity: 0; }
}

.done-inner {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  text-align: center; max-width: 480px; width: 100%; padding: 32px 20px;
  position: relative; z-index: 1;
}

.solved-stamp {
  font-size: clamp(2.8rem, 10vw, 4.5rem);
  font-weight: 900; font-family: 'Courier New', monospace;
  color: var(--green); border: 5px solid var(--green);
  padding: 8px 24px; border-radius: 4px;
  letter-spacing: 0.15em;
  transform: rotate(-12deg) scale(0);
  opacity: 0;
  text-shadow: 0 0 20px rgba(16,185,129,0.5);
  box-shadow: 0 0 30px rgba(16,185,129,0.3), inset 0 0 20px rgba(16,185,129,0.1);
}

.solved-stamp.animate {
  animation: stampDrop 0.55s cubic-bezier(0.34,1.56,0.64,1) forwards;
}

@keyframes stampDrop {
  0%   { transform: rotate(-12deg) scale(2.5); opacity: 0; }
  60%  { transform: rotate(-12deg) scale(0.92); opacity: 1; }
  80%  { transform: rotate(-12deg) scale(1.06); }
  100% { transform: rotate(-12deg) scale(1);   opacity: 1; }
}

.done-codename {
  font-family: 'Courier New', monospace;
  font-size: clamp(0.8rem, 2.5vw, 1rem);
  color: var(--amber); letter-spacing: 0.12em;
  text-transform: uppercase; font-weight: 700;
}

.done-stars { font-size: 2rem; letter-spacing: 6px; }
.done-pts   { font-size: 1.1rem; font-weight: 700; color: var(--amber); }

.lesson-box {
  background: var(--surface); border: 1px solid var(--data-blue);
  border-radius: var(--radius); padding: 16px 18px; text-align: left;
  width: 100%;
}

.lesson-label {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 0.1em;
  color: var(--data-blue); text-transform: uppercase; margin-bottom: 8px;
}

.lesson-text {
  font-size: 0.88rem; color: var(--text); line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════
   ALL DONE SCREEN
════════════════════════════════════════════════════════ */

#screen-all-done {
  background: var(--bg); align-items: center; justify-content: center;
}

.all-done-inner {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  text-align: center; max-width: 560px; width: 100%; padding: 32px 20px;
  position: relative; z-index: 1;
}

.grad-badge { font-size: 4rem; animation: badgePop 0.6s cubic-bezier(0.34,1.56,0.64,1) both; }

@keyframes badgePop {
  0%   { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.all-done-title { font-size: clamp(1.8rem,6vw,2.5rem); font-weight: 900; color: var(--text); }
.all-done-sub   { font-size: 1rem; color: var(--dim); }
.all-done-sub strong { color: var(--amber); }

.total-score-box {
  background: var(--surface); border: 1.5px solid var(--amber);
  border-radius: var(--radius); padding: 16px 32px;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}

.total-stars { font-size: 2.4rem; letter-spacing: 8px; }
.total-pts   { font-size: 1.2rem; font-weight: 700; color: var(--amber); }

.bias-recap {
  display: flex; flex-direction: column; gap: 10px; width: 100%; text-align: left;
}

.bias-recap-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px;
  display: flex; align-items: flex-start; gap: 12px;
}

.recap-icon { font-size: 1.4rem; flex-shrink: 0; }
.recap-name { font-size: 0.88rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.recap-def  { font-size: 0.78rem; color: var(--dim); line-height: 1.45; }

/* ═══════════════════════════════════════════════════════
   SHARED BUTTONS
════════════════════════════════════════════════════════ */

.btn-primary {
  background: var(--amber); color: #000;
  border: none; border-radius: 50px;
  padding: 13px 40px;
  font-size: clamp(0.95rem, 3vw, 1.1rem);
  font-weight: 800; font-family: inherit;
  cursor: pointer; transition: all 0.15s ease;
  box-shadow: 0 4px 16px rgba(245,158,11,0.35);
  min-height: 48px;
}

.btn-primary:hover  { background: #fbbf24; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.45); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 3px solid #fbbf24; outline-offset: 4px; }

.mute-btn {
  position: fixed; top: 12px; right: 14px; z-index: 9999;
  width: 38px; height: 38px; border-radius: 50%; border: none;
  background: rgba(255,255,255,0.1); backdrop-filter: blur(8px);
  color: var(--text); font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.12s ease;
}
.mute-btn:hover { transform: scale(1.12); }

#screen-investigate .mute-btn { position: static; background: transparent; }

/* ═══════════════════════════════════════════════════════
   RESPONSIVE — Mobile stack
════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .investigation-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    padding: 8px;
    gap: 8px;
  }

  .panel-left  { flex-direction: row; overflow-x: auto; }
  .case-card, .clue-checklist { min-width: 200px; flex: 1; }

  .panel-right {
    flex-direction: row; align-items: center;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 10px;
  }

  .ev-slots   { flex-direction: row; }
  .ev-slot    { min-width: 90px; flex: 1; }
  .btn-verdict { margin-top: 0; }
  .ev-bag-title, .ev-progress { display: none; }

  .bias-choices, .fix-choices {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .bias-choices, .fix-choices { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
}

/* ─── Highlight flash on clue discovery ──────────────── */

@keyframes chartFlash {
  0%, 100% { opacity: 1; }
  40%       { opacity: 0.3; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}