/* ── Variables ───────────────────────────────────────────────── */
:root {
  --bg:        #080b10;
  --bg2:       #0d1018;
  --surface:   #111620;
  --surface2:  #161d2a;
  --surface3:  #1c2436;
  --border:    #1e2838;
  --border2:   #252f42;
  --accent:    #00d4ff;
  --accent2:   #0099cc;
  --accent-dim:rgba(0,212,255,0.10);
  --accent-glow:rgba(0,212,255,0.25);
  --l1:        #22c55e;
  --l2:        #f59e0b;
  --l1-dim:    rgba(34,197,94,0.12);
  --l2-dim:    rgba(245,158,11,0.12);
  --text:      #dce6f5;
  --text2:     #6b7f9e;
  --text3:     #374357;
  --red:       #ef4444;
  --cat-auth:  #a78bfa;
  --cat-remote:#fb923c;
  --head: 'Syne', sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --r:    8px;
  --rl:   14px;
}

/* ── Reset ───────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--mono);min-height:100vh;overflow-x:hidden}

/* ── Background ──────────────────────────────────────────────── */
.bg-grid{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,212,255,0.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,212,255,0.025) 1px,transparent 1px);
  background-size:48px 48px;
}

/* ── Header ──────────────────────────────────────────────────── */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(8,11,16,0.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);padding:0 2rem;
}
.header-inner{
  max-width:1280px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  height:62px;gap:1.5rem;
}
.logo{display:flex;align-items:center;gap:12px}
.logo-icon{font-size:1.5rem;color:var(--accent);filter:drop-shadow(0 0 8px var(--accent-glow))}
.logo-title{font-family:var(--head);font-weight:800;font-size:1rem;color:var(--text);display:block;letter-spacing:.02em}
.logo-sub{font-size:.62rem;color:var(--text2);letter-spacing:.07em;text-transform:uppercase;display:block}

.header-right{
  display:flex;align-items:center;gap:12px;
}

.tier-toggle{display:flex;gap:4px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:4px}
.tier-btn{
  background:none;border:none;cursor:pointer;
  padding:6px 16px;border-radius:6px;
  font-family:var(--mono);font-size:.75rem;font-weight:600;
  color:var(--text2);transition:all .18s;letter-spacing:.04em;
}
.tier-btn:hover{color:var(--text);background:var(--surface2)}
.tier-btn.active{background:var(--accent);color:#000;box-shadow:0 0 14px var(--accent-glow)}

/* ── Main ────────────────────────────────────────────────────── */
.main{
  position:relative;z-index:1;
  max-width:1280px;margin:0 auto;
  padding:2.5rem 2rem 5rem;
  display:flex;flex-direction:column;gap:2rem;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero{text-align:center;padding:1rem 0 .5rem}
.hero-title{
  font-family:var(--head);font-size:clamp(1.8rem,4vw,2.6rem);
  font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--text) 40%,var(--accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-sub{color:var(--text2);font-size:.83rem;margin-top:.7rem;max-width:580px;margin-left:auto;margin-right:auto;line-height:1.7}

/* ── Tech Groups ─────────────────────────────────────────────── */
.controls-row{display:flex;flex-direction:column;gap:1.2rem}
.tech-group{display:flex;flex-direction:column;gap:.6rem}
.tech-group-label{
  font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text3);padding:0 2px;
}
.tech-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}
.tech-btn{
  display:flex;flex-direction:column;align-items:center;gap:7px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--rl);padding:16px 10px;
  cursor:pointer;transition:all .18s;text-align:center;
}
.tech-btn:hover{border-color:var(--border2);background:var(--surface2);transform:translateY(-2px)}
.tech-btn.active{
  border-color:var(--accent);background:var(--accent-dim);
  box-shadow:0 0 20px var(--accent-glow),inset 0 0 20px rgba(0,212,255,.04);
}
.tech-icon{font-size:1.5rem}
.tech-label{font-family:var(--head);font-size:.72rem;font-weight:700;color:var(--text2);letter-spacing:.05em;text-transform:uppercase}
.tech-btn.active .tech-label{color:var(--accent)}

/* ── Question Type Tabs ──────────────────────────────────────── */
.qtype-tabs{display:flex;gap:6px;flex-wrap:wrap}
.qtype-tab{
  flex:1;min-width:120px;
  display:flex;flex-direction:column;align-items:flex-start;gap:3px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--rl);padding:12px 16px;
  cursor:pointer;transition:all .18s;text-align:left;
}
.qtype-tab:hover{background:var(--surface2);border-color:var(--border2)}
.qtype-tab.active{border-color:var(--accent);background:var(--accent-dim)}
.qtype-tab-icon{font-size:1.1rem}
.qtype-tab-label{font-family:var(--head);font-size:.82rem;font-weight:700;color:var(--text)}
.qtype-tab-desc{font-size:.65rem;color:var(--text2)}
.qtype-tab.active .qtype-tab-desc{color:var(--accent2)}

/* ── Output Area ─────────────────────────────────────────────── */
.output-area{background:var(--surface);border:1px solid var(--border);border-radius:var(--rl);min-height:240px;overflow:hidden}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem;gap:12px;color:var(--text3)}
.empty-icon{font-size:2.5rem;opacity:.25}
.empty-title{font-family:var(--head);font-size:1.05rem;font-weight:700}
.empty-desc{font-size:.78rem;text-align:center;line-height:1.6}

.output-header{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
  padding:14px 20px;border-bottom:1px solid var(--border);gap:10px;
}
.output-meta{display:flex;gap:7px;flex-wrap:wrap}
.meta-tag{
  background:var(--surface2);border:1px solid var(--border);
  border-radius:5px;padding:4px 11px;
  font-size:.7rem;font-weight:600;color:var(--text2);letter-spacing:.04em;
}
.meta-tag.tier-l1{border-color:rgba(34,197,94,.3);color:var(--l1);background:var(--l1-dim)}
.meta-tag.tier-l2{border-color:rgba(245,158,11,.3);color:var(--l2);background:var(--l2-dim)}
.meta-tag.tier-both{border-color:rgba(0,212,255,.3);color:var(--accent);background:var(--accent-dim)}
.output-actions{display:flex;gap:7px;align-items:center}
.action-btn{
  background:var(--surface2);border:1px solid var(--border);
  border-radius:6px;padding:6px 13px;cursor:pointer;
  font-family:var(--mono);font-size:.72rem;font-weight:600;
  color:var(--text2);transition:all .15s;
}
.action-btn:hover{border-color:var(--accent);color:var(--accent)}

/* ── Export Dropdown ─────────────────────────────────────────────── */
.export-dropdown{position:relative}
.export-menu{
  display:none;position:absolute;top:calc(100% + 6px);right:0;
  background:var(--surface2);border:1px solid var(--border2);
  border-radius:var(--r);overflow:hidden;
  box-shadow:0 8px 24px rgba(0,0,0,0.35);z-index:50;
  min-width:160px;
}
.export-menu.open{display:block}
.export-item{
  display:block;width:100%;text-align:left;
  background:none;border:none;cursor:pointer;
  padding:9px 14px;
  font-family:var(--mono);font-size:.75rem;font-weight:600;
  color:var(--text2);transition:background .12s;
}
.export-item:hover{background:var(--surface3);color:var(--accent)}
body.theme-glass .export-menu{
  background:rgba(255,255,255,0.85);
  border-color:rgba(180,210,240,0.60);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 8px 24px rgba(100,150,220,0.18);
}
body.theme-glass .export-item:hover{background:rgba(0,119,204,0.08);color:var(--accent)}

/* ── Question Sections ───────────────────────────────────────── */
.question-section{padding:0}
.question-section+.question-section{border-top:1px solid var(--border)}

.section-label{
  display:flex;align-items:center;gap:9px;
  padding:11px 20px;background:var(--bg2);border-bottom:1px solid var(--border);
  flex-wrap:wrap;
}
.label-icon{font-size:1rem}
.label-tier{
  font-size:.65rem;font-weight:700;letter-spacing:.1em;padding:3px 9px;border-radius:4px;
}
.label-tier.l1{background:var(--l1-dim);color:var(--l1);border:1px solid rgba(34,197,94,.3)}
.label-tier.l2{background:var(--l2-dim);color:var(--l2);border:1px solid rgba(245,158,11,.3)}
.label-type{font-family:var(--head);font-size:.8rem;font-weight:700;color:var(--text)}
.label-desc{font-size:.68rem;color:var(--text2)}
.label-count{font-size:.67rem;color:var(--text3);margin-left:auto}

.question-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:13px 20px;border-bottom:1px solid var(--border);
  transition:background .12s;
}
.question-item:hover{background:var(--surface2)}
.question-item:last-child{border-bottom:none}
.q-num{font-size:.67rem;font-weight:700;color:var(--text3);min-width:22px;padding-top:2px;letter-spacing:.05em}
.q-text{flex:1;font-size:.83rem;color:var(--text);line-height:1.65}
.q-copy{
  background:none;border:1px solid transparent;border-radius:4px;
  padding:2px 7px;cursor:pointer;color:var(--text3);
  font-size:.78rem;transition:all .13s;opacity:0;flex-shrink:0;
}
.question-item:hover .q-copy{opacity:1}
.q-copy:hover{border-color:var(--accent);color:var(--accent)}

/* ── Search Bar ───────────────────────────────────────────────── */
.search-bar-row{
  display:flex;align-items:center;gap:8px;
  padding:10px 20px;border-bottom:1px solid var(--border);
  background:var(--bg2);
}
.search-icon{font-size:.9rem;color:var(--text3);flex-shrink:0}
.search-input{
  flex:1;background:transparent;border:none;
  font-family:var(--mono);font-size:.8rem;color:var(--text);
  outline:none;
}
.search-input::placeholder{color:var(--text3)}
.search-count{
  font-size:.68rem;color:var(--text2);white-space:nowrap;
  font-weight:600;letter-spacing:.04em;
}
.search-clear{
  background:none;border:none;cursor:pointer;
  color:var(--text3);font-size:.8rem;padding:2px 5px;
  border-radius:4px;transition:color .13s;
}
.search-clear:hover{color:var(--red)}
.q-hidden{display:none}
.q-highlight{background:rgba(0,212,255,0.18);border-radius:2px;color:var(--accent)}
body.theme-glass .q-highlight{background:rgba(0,119,204,0.15);color:var(--accent)}
body.theme-glass .search-bar-row{background:rgba(220,232,248,0.55);border-bottom:1px solid rgba(180,210,240,0.45)}

/* ── Checkbox & Progress ───────────────────────────────────────────── */
.q-check{
  appearance:none;-webkit-appearance:none;
  width:16px;height:16px;flex-shrink:0;
  border:1.5px solid var(--border2);border-radius:4px;
  background:var(--surface);cursor:pointer;
  transition:all .15s;margin-top:2px;
}
.q-check:checked{
  background:var(--l1);border-color:var(--l1);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%23000' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
}
.question-item.checked{
  background:rgba(34,197,94,0.06);
}
.question-item.checked .q-text{
  color:var(--text2);
  text-decoration:line-through;
  text-decoration-color:rgba(34,197,94,0.4);
}
.progress-bar-row{
  display:flex;align-items:center;gap:12px;
  padding:8px 20px;border-bottom:1px solid var(--border);
  background:var(--bg2);
}
.progress-label{
  font-size:.68rem;font-weight:700;color:var(--text2);
  white-space:nowrap;letter-spacing:.04em;
}
.progress-track{
  flex:1;height:4px;background:var(--border);
  border-radius:2px;overflow:hidden;
}
.progress-fill{
  height:100%;width:0%;background:var(--l1);
  border-radius:2px;transition:width .25s;
}
body.theme-glass .q-check{background:rgba(255,255,255,0.55);border-color:rgba(160,190,230,0.60)}
body.theme-glass .q-check:checked{background:var(--l1);border-color:var(--l1)}
body.theme-glass .question-item.checked{background:rgba(22,163,74,0.06)}
body.theme-glass .progress-bar-row{background:rgba(220,232,248,0.55);border-bottom:1px solid rgba(180,210,240,0.45)}
body.theme-glass .progress-track{background:rgba(180,210,240,0.45)}

/* ── AI Section ──────────────────────────────────────────────── */
.ai-section{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--rl);overflow:hidden;
}
.ai-header{
  padding:22px 26px 18px;
  border-bottom:1px solid var(--border);
  background:linear-gradient(135deg,rgba(0,212,255,.03),transparent);
}
.ai-badge{
  display:inline-block;font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-dim);border:1px solid rgba(0,212,255,.3);
  border-radius:4px;padding:3px 10px;margin-bottom:9px;
}
.ai-title{font-family:var(--head);font-size:1.15rem;font-weight:800;color:var(--text);margin-bottom:5px}
.ai-desc{font-size:.78rem;color:var(--text2);line-height:1.65}
.ai-header-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.ai-clear-btn{align-self:flex-start;flex-shrink:0;margin-top:4px}

/* ── AI Provider Selector ───────────────────────────────────────────── */
.ai-provider-row{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:10px 26px;border-top:1px solid var(--border);
  background:var(--bg2);
}
.ai-provider-label{
  font-size:.65rem;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--text2);white-space:nowrap;
}
.ai-provider-toggle{
  display:flex;gap:4px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r);padding:3px;
}
.ai-provider-btn{
  background:none;border:none;cursor:pointer;
  padding:5px 14px;border-radius:6px;
  font-family:var(--mono);font-size:.72rem;font-weight:600;
  color:var(--text2);transition:all .18s;white-space:nowrap;
}
.ai-provider-btn:hover{color:var(--text);background:var(--surface2)}
.ai-provider-btn.active{background:var(--accent);color:#000;box-shadow:0 0 10px var(--accent-glow)}
.ai-provider-status{
  font-size:.72rem;color:var(--text2);letter-spacing:.03em;
}
body.theme-glass .ai-provider-row{
  background:rgba(220,232,248,0.55);border-top:1px solid rgba(180,210,240,0.45);
}
body.theme-glass .ai-provider-toggle{
  background:rgba(255,255,255,0.50);border-color:rgba(160,190,230,0.55);
}
body.theme-glass .ai-provider-btn.active{
  background:var(--accent);color:#fff;
}

/* ── Footer shortcuts hint ───────────────────────────────────────────── */
.footer-shortcuts{font-size:.62rem;color:var(--text3);letter-spacing:.04em}

.ai-input-row{display:flex;gap:12px;padding:18px 26px;flex-wrap:wrap}

/* ── AI Key Row ──────────────────────────────────────────────── */
.ai-key-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:12px 26px;border-bottom:1px solid var(--border);
  background:var(--bg2);
}
.ai-key-input{
  flex:1;min-width:260px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r);padding:8px 12px;
  font-family:var(--mono);font-size:.78rem;color:var(--text);
  transition:border .18s;
}
.ai-key-input:focus{outline:none;border-color:var(--accent)}
.ai-key-input::placeholder{color:var(--text3)}
.ai-key-btn{
  background:var(--surface2);border:1px solid var(--border2);
  border-radius:var(--r);padding:8px 16px;cursor:pointer;
  font-family:var(--mono);font-size:.75rem;font-weight:600;
  color:var(--text2);transition:all .15s;white-space:nowrap;
}
.ai-key-btn:hover{border-color:var(--accent);color:var(--accent)}
.ai-key-link{
  font-size:.72rem;color:var(--accent2);text-decoration:none;white-space:nowrap;
}
.ai-key-link:hover{color:var(--accent)}
.ai-input{
  flex:1;min-width:260px;background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r);padding:13px 15px;
  font-family:var(--mono);font-size:.8rem;color:var(--text);
  resize:vertical;min-height:96px;transition:border .18s;
}
.ai-input:focus{outline:none;border-color:var(--accent)}
.ai-input::placeholder{color:var(--text3)}
.ai-btn{
  background:var(--accent);border:none;border-radius:var(--r);
  padding:13px 26px;cursor:pointer;
  font-family:var(--head);font-size:.88rem;font-weight:700;
  color:#000;letter-spacing:.04em;align-self:flex-start;
  transition:all .18s;box-shadow:0 0 20px var(--accent-glow);white-space:nowrap;
}
.ai-btn:hover{background:#33deff;box-shadow:0 0 30px var(--accent-glow)}
.ai-btn:disabled{opacity:.45;cursor:not-allowed}
.spinner{display:inline-block;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.ai-output{
  border-top:1px solid var(--border);
  display:flex;flex-direction:column;gap:0;
  max-height:600px;overflow-y:auto;padding:16px 20px;
}
.ai-bubble{
  max-width:88%;margin-bottom:12px;
  padding:12px 16px;border-radius:var(--rl);
  font-size:.82rem;line-height:1.7;
}
.ai-bubble-user{
  align-self:flex-end;
  background:var(--accent-dim);border:1px solid rgba(0,212,255,.25);
  color:var(--text);
}
.ai-bubble-assistant{
  align-self:flex-start;
  background:var(--surface2);border:1px solid var(--border2);
  color:var(--text);
}
.ai-bubble-error{
  align-self:flex-start;
  background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);
  color:var(--red);
}
.ai-bubble-text{
  white-space:pre-wrap;word-break:break-word;
  font-family:var(--mono);font-size:.82rem;line-height:1.7;
  background:none;border:none;padding:0;margin:0;
}
.ai-error{padding:18px 26px;color:var(--red);font-size:.82rem}

/* ── Footer ──────────────────────────────────────────────────── */
.footer{
  position:relative;z-index:1;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
  padding:1.5rem 2rem;max-width:1280px;margin:0 auto;
  font-size:.68rem;color:var(--text3);letter-spacing:.04em;
  border-top:1px solid var(--border);
}

/* ── Toast ───────────────────────────────────────────────────── */
.toast{
  position:fixed;bottom:2rem;right:2rem;z-index:9999;
  background:var(--accent);color:#000;
  font-family:var(--mono);font-size:.78rem;font-weight:700;
  padding:9px 18px;border-radius:var(--r);
  transform:translateY(16px);opacity:0;
  transition:all .25s;pointer-events:none;
  box-shadow:0 4px 20px var(--accent-glow);
}
.toast.show{transform:translateY(0);opacity:1}

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent2)}

/* ── Case Notes Panel ───────────────────────────────────────────────── */

/* Clickable tab on the right edge */
.cn-tab{
  position:fixed;right:0;top:50%;transform:translateY(-50%);
  z-index:200;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  background:var(--surface2);border:1px solid var(--border2);
  border-right:none;border-radius:10px 0 0 10px;
  padding:14px 10px;cursor:pointer;
  transition:all .2s;
  box-shadow:-3px 0 18px rgba(0,0,0,0.25);
}
.cn-tab:hover{
  background:var(--accent-dim);border-color:var(--accent);
  box-shadow:-3px 0 22px var(--accent-glow);
}
.cn-tab-icon{font-size:1.2rem}
.cn-tab-label{
  font-family:var(--head);font-size:.6rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--text2);writing-mode:vertical-rl;
  text-orientation:mixed;transform:rotate(180deg);
}
.cn-tab:hover .cn-tab-label{color:var(--accent)}

/* Overlay */
.cn-overlay{
  position:fixed;inset:0;z-index:299;
  background:rgba(0,0,0,0.45);
  backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;
  transition:opacity .3s;
}
.cn-overlay.open{opacity:1;pointer-events:all}

/* Sliding panel */
.cn-panel{
  position:fixed;top:0;right:0;bottom:0;
  width:min(680px,96vw);
  z-index:300;
  background:var(--surface);
  border-left:1px solid var(--border2);
  box-shadow:-8px 0 48px rgba(0,0,0,0.45);
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow:hidden;
}
.cn-panel.open{transform:translateX(0)}

/* Panel header */
.cn-panel-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;gap:12px;
  background:var(--bg2);
  border-bottom:1px solid var(--border);
  flex-shrink:0;
}
.cn-panel-title{display:flex;align-items:center;gap:12px}
.cn-panel-icon{font-size:1.4rem}
.cn-panel-name{
  font-family:var(--head);font-size:.95rem;font-weight:800;
  color:var(--text);letter-spacing:.01em;
}
.cn-panel-sub{font-size:.62rem;color:var(--text2);letter-spacing:.06em;text-transform:uppercase;margin-top:2px}
.cn-header-actions{display:flex;align-items:center;gap:8px}
.cn-action-btn{
  background:var(--surface2);border:1px solid var(--border2);
  border-radius:6px;padding:6px 13px;cursor:pointer;
  font-family:var(--mono);font-size:.72rem;font-weight:600;
  color:var(--text2);transition:all .15s;white-space:nowrap;
}
.cn-action-btn:hover{border-color:var(--accent);color:var(--accent)}
.cn-saved-indicator{
  font-size:.65rem;color:var(--l1);letter-spacing:.04em;
  opacity:0;transition:opacity .4s;
}
.cn-saved-indicator.show{opacity:1}
.cn-close{
  background:none;border:1px solid var(--border);
  border-radius:6px;width:30px;height:30px;
  cursor:pointer;color:var(--text2);font-size:.9rem;
  display:flex;align-items:center;justify-content:center;
  transition:all .15s;
}
.cn-close:hover{border-color:var(--red);color:var(--red)}

/* Scrollable body */
.cn-body{
  flex:1;overflow-y:auto;
  padding:20px;
  display:flex;flex-direction:column;gap:0;
}

/* Meta row */
.cn-meta-row{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(180px,1fr));
  gap:10px;margin-bottom:4px;
}
.cn-meta-field{display:flex;flex-direction:column;gap:5px}
.cn-label{
  font-size:.65rem;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--text2);
}
.cn-input{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--r);padding:7px 10px;
  font-family:var(--mono);font-size:.78rem;color:var(--text);
  transition:border .15s;
  color-scheme:dark;
}
.cn-input:focus{outline:none;border-color:var(--accent)}
.cn-input::placeholder{color:var(--text3)}
.cn-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236b7f9e'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}

/* Date input — force visible calendar icon in dark mode */
input[type="date"].cn-input{
  background:var(--surface2);
  border:1px solid var(--accent2);
  color:var(--text);
  padding-right:8px;
}
input[type="date"].cn-input::-webkit-calendar-picker-indicator{
  background-color:var(--accent2);
  border-radius:3px;
  padding:2px;
  cursor:pointer;
  filter:invert(1);
  opacity:1;
}
input[type="date"].cn-input::-webkit-calendar-picker-indicator:hover{
  background-color:var(--accent);
}

.cn-divider{height:1px;background:var(--border);margin:16px 0}

/* Sections */
.cn-sections{display:flex;flex-direction:column;gap:16px}
.cn-section{
  background:var(--surface2);border:1px solid var(--border);
  border-radius:var(--rl);overflow:hidden;
}
.cn-section-header{
  display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;
  padding:10px 14px;background:var(--bg2);
  border-bottom:1px solid var(--border);
}
.cn-section-icon{font-size:.95rem}
.cn-section-title{
  font-family:var(--head);font-size:.82rem;font-weight:700;
  color:var(--text);white-space:nowrap;
}
.cn-section-hint{
  font-size:.67rem;color:var(--text2);line-height:1.5;
}
.cn-textarea{
  width:100%;background:transparent;border:none;
  padding:12px 14px;
  font-family:var(--mono);font-size:.78rem;color:var(--text);
  line-height:1.65;resize:vertical;
  transition:background .12s;
}
.cn-textarea:focus{outline:none;background:rgba(0,212,255,0.03)}
.cn-textarea::placeholder{color:var(--text3);font-size:.74rem}

/* Action plan split */
.cn-action-split{display:grid;grid-template-columns:1fr 1fr;gap:0}
.cn-action-col{display:flex;flex-direction:column}
.cn-action-col:first-child{border-right:1px solid var(--border)}
.cn-action-col-label{
  font-size:.67rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:8px 14px;
  border-bottom:1px solid var(--border);
}
.pending-customer{color:var(--l2);background:var(--l2-dim)}
.pending-ms{color:var(--accent);background:var(--accent-dim)}

/* Preview */
.cn-preview-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:10px;
}
.cn-preview-title{
  font-family:var(--head);font-size:.82rem;font-weight:700;color:var(--text2);
}
.cn-preview{
  background:var(--bg2);border:1px solid var(--border);
  border-radius:var(--rl);padding:16px;
  font-family:var(--mono);font-size:.75rem;
  color:var(--text);line-height:1.7;
  white-space:pre-wrap;word-break:break-word;
  max-height:360px;overflow-y:auto;
}

/* ── Glass theme overrides for Case Notes ─────────────────────────────── */
body.theme-glass .cn-tab{
  background:rgba(255,255,255,0.60);
  border-color:rgba(160,190,230,0.60);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:-3px 0 18px rgba(100,150,220,0.15);
}
body.theme-glass .cn-tab:hover{
  background:rgba(255,255,255,0.80);
  border-color:var(--accent);
}
body.theme-glass .cn-panel{
  background:rgba(240,246,255,0.88);
  border-left:1px solid rgba(180,210,240,0.55);
  backdrop-filter:blur(28px) saturate(1.5);
  -webkit-backdrop-filter:blur(28px) saturate(1.5);
  box-shadow:-8px 0 48px rgba(100,150,220,0.20);
}
body.theme-glass .cn-panel-header{
  background:rgba(220,232,248,0.70);
  border-bottom:1px solid rgba(180,210,240,0.50);
}
body.theme-glass .cn-section{
  background:rgba(255,255,255,0.50);
  border:1px solid rgba(180,210,240,0.50);
}
body.theme-glass .cn-section-header{
  background:rgba(220,232,248,0.55);
  border-bottom:1px solid rgba(180,210,240,0.45);
}
body.theme-glass .cn-input,
body.theme-glass .cn-textarea{
  background:rgba(255,255,255,0.55);
  border-color:rgba(180,210,240,0.55);
  color:var(--text);
  color-scheme:light;
}
body.theme-glass input[type="date"].cn-input{
  background:rgba(255,255,255,0.70);
  border-color:rgba(0,119,204,0.40);
}
body.theme-glass input[type="date"].cn-input::-webkit-calendar-picker-indicator{
  background-color:rgba(0,119,204,0.15);
  border-radius:3px;
  padding:2px;
  filter:none;
  opacity:0.8;
  cursor:pointer;
}
body.theme-glass input[type="date"].cn-input::-webkit-calendar-picker-indicator:hover{
  background-color:rgba(0,119,204,0.30);
  opacity:1;
}
body.theme-glass .cn-input:focus{
  border-color:var(--accent);
  background:rgba(255,255,255,0.80);
}
body.theme-glass .cn-textarea:focus{
  background:rgba(255,255,255,0.65);
}
body.theme-glass .cn-preview{
  background:rgba(255,255,255,0.60);
  border-color:rgba(180,210,240,0.55);
}
body.theme-glass .cn-action-btn{
  background:rgba(255,255,255,0.55);
  border-color:rgba(180,210,240,0.55);
}
body.theme-glass .cn-divider{background:rgba(180,210,240,0.45)}
body.theme-glass .cn-action-col:first-child{border-right:1px solid rgba(180,210,240,0.45)}
body.theme-glass .cn-action-col-label{border-bottom:1px solid rgba(180,210,240,0.45)}

/* ══════════════════════════════════════════════════════════════
   THEME TOGGLE BUTTON
══════════════════════════════════════════════════════════════ */
.theme-toggle{
  position:relative;
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--border2);
  background:var(--surface2);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;
  transition:all .25s;
  flex-shrink:0;
}
.theme-toggle:hover{
  border-color:var(--accent);
  box-shadow:0 0 12px var(--accent-glow);
  transform:scale(1.08);
}
.theme-toggle-icon{line-height:1;pointer-events:none}
.theme-toggle-tooltip{
  position:absolute;
  bottom:calc(100% + 8px);
  left:50%;transform:translateX(-50%);
  background:var(--surface3);border:1px solid var(--border2);
  color:var(--text2);font-family:var(--mono);font-size:.65rem;
  font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 9px;border-radius:5px;
  white-space:nowrap;pointer-events:none;
  opacity:0;transition:opacity .15s;
}
.theme-toggle:hover .theme-toggle-tooltip{opacity:1}

/* ══════════════════════════════════════════════════════════════
   LIQUID GLASS THEME
══════════════════════════════════════════════════════════════ */
body.theme-glass {
  --bg:         #e8eef8;
  --bg2:        #dde5f2;
  --surface:    rgba(255,255,255,0.55);
  --surface2:   rgba(255,255,255,0.70);
  --surface3:   rgba(255,255,255,0.85);
  --border:     rgba(180,200,230,0.55);
  --border2:    rgba(140,170,210,0.70);
  --accent:     #0077cc;
  --accent2:    #005fa3;
  --accent-dim: rgba(0,119,204,0.10);
  --accent-glow:rgba(0,119,204,0.22);
  --l1:         #16a34a;
  --l2:         #d97706;
  --l1-dim:     rgba(22,163,74,0.10);
  --l2-dim:     rgba(217,119,6,0.10);
  --text:       #0f1c2e;
  --text2:      #4a6080;
  --text3:      #8fa8c4;
  --red:        #dc2626;
}

/* Background — soft sky gradient instead of grid */
body.theme-glass .bg-grid{
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(180,210,255,0.55) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(200,180,255,0.35) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 60% 30%, rgba(160,230,255,0.30) 0%, transparent 50%);
  background-size:100% 100%;
  background-color:#dce8f8;
}

/* Header — frosted glass bar */
body.theme-glass .header{
  background:rgba(240,246,255,0.72);
  backdrop-filter:blur(28px) saturate(1.6);
  -webkit-backdrop-filter:blur(28px) saturate(1.6);
  border-bottom:1px solid rgba(180,210,240,0.50);
  box-shadow:0 1px 0 rgba(255,255,255,0.60) inset, 0 2px 16px rgba(100,150,220,0.08);
}

/* Logo accent */
body.theme-glass .logo-icon{
  color:var(--accent);
  filter:drop-shadow(0 0 6px rgba(0,119,204,0.30));
}

/* Tier toggle */
body.theme-glass .tier-toggle{
  background:rgba(255,255,255,0.50);
  border:1px solid rgba(160,190,230,0.55);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
body.theme-glass .tier-btn:hover{
  background:rgba(255,255,255,0.75);
  color:var(--text);
}
body.theme-glass .tier-btn.active{
  background:var(--accent);
  color:#fff;
  box-shadow:0 0 14px rgba(0,119,204,0.35);
}

/* Theme toggle button in glass mode */
body.theme-glass .theme-toggle{
  background:rgba(255,255,255,0.55);
  border:1px solid rgba(160,190,230,0.60);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
body.theme-glass .theme-toggle:hover{
  border-color:var(--accent);
  box-shadow:0 0 12px rgba(0,119,204,0.25);
}
body.theme-glass .theme-toggle-tooltip{
  background:rgba(255,255,255,0.85);
  border:1px solid rgba(160,190,230,0.55);
  color:var(--text2);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}

/* Hero title */
body.theme-glass .hero-title{
  background:linear-gradient(135deg,#0f1c2e 30%,#0077cc);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* Tech buttons — glass cards */
body.theme-glass .tech-btn{
  background:rgba(255,255,255,0.50);
  border:1px solid rgba(180,210,240,0.55);
  backdrop-filter:blur(16px) saturate(1.4);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  box-shadow:0 2px 12px rgba(100,150,220,0.08), 0 1px 0 rgba(255,255,255,0.80) inset;
}
body.theme-glass .tech-btn:hover{
  background:rgba(255,255,255,0.72);
  border-color:rgba(0,119,204,0.40);
  box-shadow:0 4px 20px rgba(0,119,204,0.12), 0 1px 0 rgba(255,255,255,0.90) inset;
  transform:translateY(-2px);
}
body.theme-glass .tech-btn.active{
  background:rgba(0,119,204,0.10);
  border-color:rgba(0,119,204,0.55);
  box-shadow:0 0 20px rgba(0,119,204,0.18), 0 1px 0 rgba(255,255,255,0.80) inset;
}
body.theme-glass .tech-label{color:var(--text2)}
body.theme-glass .tech-btn.active .tech-label{color:var(--accent)}

/* Question type tabs — glass */
body.theme-glass .qtype-tab{
  background:rgba(255,255,255,0.50);
  border:1px solid rgba(180,210,240,0.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 2px 10px rgba(100,150,220,0.07), 0 1px 0 rgba(255,255,255,0.80) inset;
}
body.theme-glass .qtype-tab:hover{
  background:rgba(255,255,255,0.72);
  border-color:rgba(0,119,204,0.35);
}
body.theme-glass .qtype-tab.active{
  background:rgba(0,119,204,0.10);
  border-color:rgba(0,119,204,0.50);
}
body.theme-glass .qtype-tab.active .qtype-tab-desc{color:var(--accent2)}

/* Output area — glass panel */
body.theme-glass .output-area{
  background:rgba(255,255,255,0.50);
  border:1px solid rgba(180,210,240,0.55);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  box-shadow:0 4px 24px rgba(100,150,220,0.10), 0 1px 0 rgba(255,255,255,0.80) inset;
}
body.theme-glass .output-header{
  border-bottom:1px solid rgba(180,210,240,0.45);
}
body.theme-glass .section-label{
  background:rgba(220,232,248,0.60);
  border-bottom:1px solid rgba(180,210,240,0.45);
}
body.theme-glass .question-item:hover{
  background:rgba(255,255,255,0.55);
}
body.theme-glass .question-section+.question-section{
  border-top:1px solid rgba(180,210,240,0.40);
}
body.theme-glass .question-item{
  border-bottom:1px solid rgba(180,210,240,0.35);
}

/* Meta tags */
body.theme-glass .meta-tag{
  background:rgba(255,255,255,0.65);
  border:1px solid rgba(180,210,240,0.55);
}
body.theme-glass .meta-tag.tier-l1{background:rgba(22,163,74,0.08);border-color:rgba(22,163,74,0.30)}
body.theme-glass .meta-tag.tier-l2{background:rgba(217,119,6,0.08);border-color:rgba(217,119,6,0.30)}
body.theme-glass .meta-tag.tier-both{background:rgba(0,119,204,0.08);border-color:rgba(0,119,204,0.30)}

/* Action buttons */
body.theme-glass .action-btn{
  background:rgba(255,255,255,0.60);
  border:1px solid rgba(180,210,240,0.55);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
body.theme-glass .action-btn:hover{
  border-color:var(--accent);
  color:var(--accent);
  background:rgba(255,255,255,0.80);
}

/* AI section — glass panel */
body.theme-glass .ai-section{
  background:rgba(255,255,255,0.50);
  border:1px solid rgba(180,210,240,0.55);
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  box-shadow:0 4px 24px rgba(100,150,220,0.10), 0 1px 0 rgba(255,255,255,0.80) inset;
}
body.theme-glass .ai-header{
  background:linear-gradient(135deg,rgba(0,119,204,0.05),transparent);
  border-bottom:1px solid rgba(180,210,240,0.45);
}
body.theme-glass .ai-badge{
  color:var(--accent);
  background:rgba(0,119,204,0.08);
  border:1px solid rgba(0,119,204,0.28);
}
body.theme-glass .ai-input{
  background:rgba(255,255,255,0.65);
  border:1px solid rgba(180,210,240,0.55);
  color:var(--text);
}
body.theme-glass .ai-input:focus{
  border-color:var(--accent);
  background:rgba(255,255,255,0.85);
}
body.theme-glass .ai-btn{
  background:var(--accent);
  color:#fff;
  box-shadow:0 0 20px rgba(0,119,204,0.30);
}
body.theme-glass .ai-btn:hover{
  background:#0088ee;
  box-shadow:0 0 30px rgba(0,119,204,0.40);
}
body.theme-glass .ai-bubble-user{
  background:rgba(0,119,204,0.10);
  border:1px solid rgba(0,119,204,0.25);
}
body.theme-glass .ai-bubble-assistant{
  background:rgba(255,255,255,0.65);
  border:1px solid rgba(180,210,240,0.55);
}
body.theme-glass .ai-output{
  border-top:1px solid rgba(180,210,240,0.45);
}

/* Label tiers */
body.theme-glass .label-tier.l1{background:rgba(22,163,74,0.10);color:var(--l1);border:1px solid rgba(22,163,74,0.30)}
body.theme-glass .label-tier.l2{background:rgba(217,119,6,0.10);color:var(--l2);border:1px solid rgba(217,119,6,0.30)}

/* Footer */
body.theme-glass .footer{
  border-top:1px solid rgba(180,210,240,0.45);
}

/* Toast */
body.theme-glass .toast{
  background:var(--accent);
  color:#fff;
  box-shadow:0 4px 20px rgba(0,119,204,0.30);
}

/* Scrollbar */
body.theme-glass ::-webkit-scrollbar-track{background:rgba(220,232,248,0.50)}
body.theme-glass ::-webkit-scrollbar-thumb{background:rgba(0,119,204,0.25);border-radius:3px}
body.theme-glass ::-webkit-scrollbar-thumb:hover{background:rgba(0,119,204,0.45)}

/* Q copy button */
body.theme-glass .q-copy:hover{border-color:var(--accent);color:var(--accent)}

/* Tech group label */
body.theme-glass .tech-group-label{color:var(--text3)}

.ai-key-row { display: none; align-items: center; gap: 8px; margin-top: 8px; }
.ai-key-input { flex: 1; padding: 7px 12px; border-radius: 7px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: .82rem; outline: none; }
.ai-key-input:focus { border-color: var(--accent); }