/* Sanskrit Seekho Exams — front-end styles. Scoped under .sse so the theme is never affected.
   Colours follow the theme's variables when present, with our own fallbacks. */
.sse{
  --sse-accent:var(--accent,#2f6fed);
  --sse-accent-d:var(--accent-d,#1f55c7);
  --sse-brand:var(--brand,#1c3a6e);
  --sse-ink:var(--ink,#1b2433);
  --sse-soft:var(--ink-soft,#5a6577);
  --sse-line:var(--line,#dbe4f0);
  --sse-bg:var(--bg,#f4f7fc);
  --sse-surface:var(--surface,#fff);
  --sse-ok:#15803d; --sse-warn:#b45309; --sse-err:#b91c1c;
  --sse-radius:16px;
  color:var(--sse-ink);font-size:16px;line-height:1.55;
  max-width:1100px;margin:28px auto;padding:0 16px;box-sizing:border-box
}
.sse *,.sse *::before,.sse *::after{box-sizing:border-box}

.sse-card{background:var(--sse-surface);border:1px solid var(--sse-line);border-radius:var(--sse-radius);padding:28px;box-shadow:0 18px 40px -30px rgba(20,50,110,.35)}
.sse-title{font-size:26px;line-height:1.25;margin:0 0 6px;color:var(--sse-brand)}
.sse-sub{color:var(--sse-soft);margin:0 0 18px}
.sse-muted{color:var(--sse-soft)}
.sse-h3{font-size:18px;margin:0 0 14px;color:var(--sse-brand)}
.sse-eyebrow{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--sse-accent-d)}

/* auth / gate cards */
.sse-auth,.sse-student{max-width:460px}
.sse-auth-card,.sse-join-card,.sse-gate{text-align:left}
.sse-auth-mark{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:24px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--sse-accent),var(--sse-brand));margin-bottom:14px}
.sse-gate{max-width:560px;margin:0 auto}

/* forms */
.sse-form{display:flex;flex-direction:column;gap:14px}
.sse-field{display:flex;flex-direction:column;gap:6px}
.sse-field label{font-weight:600;font-size:14px}
.sse-field input{width:100%;padding:12px 14px;border:1.5px solid var(--sse-line);border-radius:11px;font:inherit;background:var(--sse-bg);color:var(--sse-ink);outline:none;transition:border-color .15s,box-shadow .15s}
.sse-field input:focus{border-color:var(--sse-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--sse-accent) 20%,transparent)}
.sse-hint{color:var(--sse-soft);font-size:12.5px}
.sse-check{display:inline-flex;align-items:center;gap:8px;font-size:14px}
.sse-row-between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.sse-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.sse-foot{margin:16px 0 0;font-size:14px;text-align:center}

/* buttons & links */
.sse-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 20px;border-radius:11px;border:1.5px solid var(--sse-line);
  background:var(--sse-surface);color:var(--sse-brand);font:inherit;font-weight:600;font-size:15px;text-decoration:none;cursor:pointer;transition:.15s;min-height:44px}
.sse-btn:hover{border-color:var(--sse-accent);color:var(--sse-accent-d)}
.sse-btn--primary{background:var(--sse-accent);border-color:var(--sse-accent);color:#fff}
.sse-btn--primary:hover{background:var(--sse-accent-d);border-color:var(--sse-accent-d);color:#fff}
.sse-btn--block{width:100%}
.sse-btn.is-disabled{opacity:.55;cursor:not-allowed}
.sse-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.sse-link{color:var(--sse-accent-d);font-weight:600;text-decoration:none}
.sse-link:hover{text-decoration:underline}

/* notices */
.sse-notice{border-radius:11px;padding:12px 14px;margin:0 0 16px;font-size:14.5px;border:1px solid}
.sse-notice--ok{background:#ecfdf3;border-color:#a7e3bf;color:var(--sse-ok)}
.sse-notice--warn{background:#fff8eb;border-color:#f3d39b;color:var(--sse-warn)}
.sse-notice--err{background:#fef2f2;border-color:#f5b5b5;color:var(--sse-err)}

/* dashboard */
.sse-dash-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.sse-dash-head .sse-title{margin:2px 0 0}
.sse-dash-head-actions{display:flex;gap:10px;flex-wrap:wrap}
.sse-tabs{display:flex;gap:4px;border-bottom:1px solid var(--sse-line);margin-bottom:20px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.sse-tab{padding:11px 16px;font-weight:600;font-size:15px;color:var(--sse-soft);text-decoration:none;border-bottom:3px solid transparent;white-space:nowrap}
.sse-tab:hover{color:var(--sse-brand)}
.sse-tab.is-active{color:var(--sse-accent-d);border-bottom-color:var(--sse-accent)}
.sse-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:26px}
.sse-stat{background:var(--sse-surface);border:1px solid var(--sse-line);border-radius:14px;padding:16px 18px}
.sse-stat-n{font-size:30px;font-weight:700;color:var(--sse-brand);line-height:1.1}
.sse-stat-l{color:var(--sse-soft);font-size:13.5px;margin-top:4px}
.sse-empty{background:var(--sse-surface);border:1.5px dashed var(--sse-line);border-radius:14px;padding:26px;text-align:center;color:var(--sse-soft)}
.sse-empty p{margin:0 0 6px}
.sse-grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.sse-table-wrap{overflow-x:auto;border:1px solid var(--sse-line);border-radius:14px;background:var(--sse-surface)}
.sse-table{width:100%;border-collapse:collapse;font-size:14.5px}
.sse-table th,.sse-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--sse-line)}
.sse-table th{font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--sse-soft);background:var(--sse-bg)}
.sse-table tr:last-child td{border-bottom:0}

@media (max-width:600px){
  .sse{margin:18px auto;font-size:15.5px}
  .sse-card{padding:20px}
  .sse-title{font-size:22px}
  .sse-dash-head{align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){.sse *{transition:none!important}}

/* ================= Milestone 2: quiz list + builder ================= */
.sse-inline-form{display:inline;margin:0}
.sse-btn--sm{padding:7px 12px;font-size:13.5px;min-height:36px;border-radius:9px}
.sse-btn--danger{color:#b91c1c}
.sse-btn--danger:hover{border-color:#b91c1c;color:#991b1b}
.sse-btn[disabled]{opacity:.5;cursor:not-allowed}
.sse-badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 9px;border-radius:20px;letter-spacing:.02em}
.sse-badge--ok{background:#e7f8ee;color:#15803d}
.sse-badge--draft{background:#eef2f7;color:#5a6577}
.sse-loading{padding:40px;text-align:center;color:var(--sse-soft)}
.sse-noscroll{overflow:hidden}

/* list */
.sse-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.sse-chips{display:flex;gap:6px;flex-wrap:wrap}
.sse-chip{padding:7px 14px;border-radius:20px;border:1px solid var(--sse-line);background:var(--sse-surface);color:var(--sse-soft);font-weight:600;font-size:14px;text-decoration:none}
.sse-chip.is-active{background:var(--sse-brand);border-color:var(--sse-brand);color:#fff}
.sse-search{display:flex;gap:8px}
.sse-search input{padding:9px 12px;border:1.5px solid var(--sse-line);border-radius:10px;font:inherit;min-width:220px;background:var(--sse-surface)}
.sse-qlist{display:flex;flex-direction:column;gap:12px}
.sse-qcard{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;background:var(--sse-surface);border:1px solid var(--sse-line);border-radius:14px;padding:16px 18px}
.sse-qcard-title{font-size:17px;font-weight:700;color:var(--sse-brand);text-decoration:none}
.sse-qcard-title:hover{color:var(--sse-accent-d)}
.sse-qcard-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:6px;font-size:13.5px;color:var(--sse-soft)}
.sse-qcard-actions{display:flex;gap:6px;flex-wrap:wrap}
.sse-qlist-msg{margin-top:14px}
.sse-qlist-msg ul{margin:6px 0 0 18px}

/* builder shell */
.sse-builder{margin-top:4px}
.sse-b-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.sse-b-title{flex:1;min-width:220px;font:inherit;font-size:22px;font-weight:700;color:var(--sse-brand);padding:10px 14px;border:1.5px solid transparent;border-radius:11px;background:var(--sse-surface)}
.sse-b-title:hover{border-color:var(--sse-line)}
.sse-b-title:focus{outline:none;border-color:var(--sse-accent)}
.sse-b-head-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sse-b-save{font-size:13px;color:var(--sse-soft);min-width:130px}
.sse-b-save.is-saving{color:var(--sse-accent-d)}
.sse-b-save.is-dirty{color:#b45309}
.sse-b-save.is-err{color:#b91c1c}
.sse-b-save.is-ok::before{content:"✓ ";color:#15803d}
.sse-b-problems ul{margin:6px 0 0 18px}
.sse-b-problems a{color:inherit;text-decoration:underline}
.sse-b-grid{display:grid;grid-template-columns:270px 1fr;gap:18px;align-items:start}
.sse-b-side{position:sticky;top:90px;display:flex;flex-direction:column;gap:8px;max-height:calc(100vh - 110px);overflow:auto;padding-bottom:4px}
.sse-b-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.sse-b-li{position:relative}
.sse-b-li.is-over{outline:2px dashed var(--sse-accent);outline-offset:2px;border-radius:12px}
.sse-b-li.is-drag{opacity:.45}
.sse-b-item{display:flex;gap:10px;align-items:flex-start;width:100%;text-align:left;background:var(--sse-surface);border:1.5px solid var(--sse-line);border-radius:12px;padding:10px 30px 10px 10px;font:inherit;font-size:13.5px;color:var(--sse-ink);cursor:pointer;line-height:1.35}
.sse-b-item:hover{border-color:var(--sse-accent)}
.sse-b-item.is-active{border-color:var(--sse-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--sse-accent) 18%,transparent)}
.sse-b-item-n{flex:none;width:26px;height:26px;border-radius:8px;background:var(--sse-bg);display:grid;place-items:center;font-weight:700;color:var(--sse-brand);font-size:13px}
.sse-b-item.is-active .sse-b-item-n{background:var(--sse-accent);color:#fff}
.sse-b-item-t{display:flex;flex-direction:column;gap:2px;min-width:0;word-break:break-word}
.sse-b-item-t small{color:var(--sse-soft);font-size:11.5px}
.sse-b-drag{position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--sse-soft);cursor:grab;font-size:13px;letter-spacing:-2px}
.sse-b-add{position:relative}
.sse-b-addmenu[hidden]{display:none}
.sse-b-addmenu{display:flex;flex-direction:column;gap:4px;margin-top:6px;background:var(--sse-surface);border:1px solid var(--sse-line);border-radius:12px;padding:6px}
.sse-b-addmenu button{text-align:left;padding:9px 10px;border:0;background:none;font:inherit;font-size:14px;border-radius:8px;cursor:pointer;color:var(--sse-ink)}
.sse-b-addmenu button:hover{background:var(--sse-bg)}
.sse-b-card{display:flex;flex-direction:column;gap:16px}
.sse-b-qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.sse-b-qhead .sse-h3{margin:0}
.sse-b-qtools{display:flex;gap:6px;flex-wrap:wrap}
.sse-b-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sse-b-total{font-size:22px;font-weight:700;color:var(--sse-brand)}
.sse-b-total small{font-size:12.5px;font-weight:400;color:var(--sse-soft)}
.sse-b-label{font-weight:600;font-size:14px;display:block;margin-bottom:8px}
.sse-b-label small{font-weight:400;color:var(--sse-soft)}
.sse-field textarea,.sse-field select{width:100%;padding:11px 13px;border:1.5px solid var(--sse-line);border-radius:11px;font:inherit;background:var(--sse-bg);color:var(--sse-ink)}
.sse-field textarea:focus,.sse-field select:focus{outline:none;border-color:var(--sse-accent)}

/* segmented control */
.sse-segs{display:flex;gap:6px;flex-wrap:wrap}
.sse-seg{padding:8px 13px;border:1.5px solid var(--sse-line);border-radius:20px;background:var(--sse-surface);font:inherit;font-size:13.5px;font-weight:600;color:var(--sse-soft);cursor:pointer}
.sse-seg.is-active{background:var(--sse-accent);border-color:var(--sse-accent);color:#fff}

/* rich text */
.sse-rt{border:1.5px solid var(--sse-line);border-radius:12px;background:var(--sse-bg);overflow:hidden}
.sse-rt:focus-within{border-color:var(--sse-accent)}
.sse-rt-bar{display:flex;gap:2px;padding:6px;border-bottom:1px solid var(--sse-line);background:var(--sse-surface)}
.sse-rt-bar button{min-width:34px;height:32px;border:0;background:none;border-radius:7px;cursor:pointer;font-size:14px;color:var(--sse-ink)}
.sse-rt-bar button:hover{background:var(--sse-bg)}
.sse-rt-area{min-height:70px;padding:12px 14px;outline:none;font-size:16px;line-height:1.6}
.sse-rt--big .sse-rt-area{min-height:96px;font-size:19px}
.sse-rt-area:empty::before{content:attr(data-ph);color:var(--sse-soft)}

/* image picker */
.sse-img{position:relative}
.sse-img.is-busy{opacity:.5;pointer-events:none}
.sse-img img{display:block;max-width:100%;max-height:260px;border-radius:12px;border:1px solid var(--sse-line)}
.sse-img-actions{margin-top:8px;display:flex;gap:6px}
.sse-img-drop{display:flex;flex-direction:column;align-items:center;gap:2px;padding:16px;border:1.5px dashed var(--sse-line);border-radius:12px;cursor:pointer;color:var(--sse-accent-d);font-weight:600;text-align:center}
.sse-img-drop small{color:var(--sse-soft);font-weight:400;font-size:12px}
.sse-img-drop:hover{border-color:var(--sse-accent)}

/* answer options — our shapes: circle, square, triangle, diamond, hexagon, star */
.sse-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.sse-opt{display:flex;align-items:center;gap:8px;border:1.5px solid var(--sse-line);border-radius:12px;padding:8px 8px 8px 10px;background:var(--sse-surface)}
.sse-opt.is-correct{border-color:#16a34a;box-shadow:0 0 0 2px rgba(22,163,74,.15)}
.sse-opt input[type=text]{flex:1;min-width:0;border:0;background:none;font:inherit;font-size:15px;padding:6px 2px;outline:none}
.sse-opt-correct{display:flex;align-items:center;gap:4px;font-size:12.5px;color:var(--sse-soft);cursor:pointer;white-space:nowrap}
.sse-opt.is-correct .sse-opt-correct{color:#15803d;font-weight:700}
.sse-opt-del{border:0;background:none;font-size:20px;line-height:1;color:var(--sse-soft);cursor:pointer;padding:2px 6px;border-radius:6px}
.sse-opt-del:hover:not([disabled]){color:#b91c1c;background:#fef2f2}
.sse-opt-shape{flex:none;width:18px;height:18px;display:inline-block}
.sse-shape-0{background:#2563eb;border-radius:50%}
.sse-shape-1{background:#f59e0b;border-radius:3px}
.sse-shape-2{background:#dc2626;clip-path:polygon(50% 0,100% 100%,0 100%)}
.sse-shape-3{background:#16a34a;clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.sse-shape-4{background:#7c3aed;clip-path:polygon(25% 5%,75% 5%,100% 50%,75% 95%,25% 95%,0 50%)}
.sse-shape-5{background:#db2777;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.sse-tf{display:flex;gap:10px}
.sse-tf-btn{flex:1;padding:16px;border:2px solid var(--sse-line);border-radius:12px;background:var(--sse-surface);font:inherit;font-size:17px;font-weight:700;cursor:pointer;color:var(--sse-ink)}
.sse-tf-btn.is-correct{border-color:#16a34a;background:#ecfdf3;color:#15803d}
.sse-tf-btn.is-correct::after{content:" ✓"}

/* preview modal */
.sse-modal{position:fixed;inset:0;z-index:100000;background:rgba(10,20,40,.6);display:flex;align-items:center;justify-content:center;padding:16px}
.sse-modal[hidden]{display:none}
.sse-modal-box{background:var(--sse-surface);border-radius:18px;max-width:780px;width:100%;max-height:92vh;overflow:auto;padding:22px;box-shadow:0 30px 80px -20px rgba(0,0,0,.5)}
.sse-pv-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}
.sse-pv-right{display:flex;gap:8px;align-items:center}
.sse-pv-timer,.sse-pv-marks{font-size:13px;font-weight:700;padding:5px 10px;border-radius:20px;background:var(--sse-bg);color:var(--sse-brand)}
.sse-pv-intro{background:var(--sse-bg);border-radius:12px;padding:12px 14px;margin-bottom:14px;font-size:14.5px}
.sse-pv-instr{margin-top:6px;color:var(--sse-soft)}
.sse-pv-q{font-size:22px;font-weight:600;line-height:1.5;color:var(--sse-ink);margin-bottom:14px}
.sse-pv-img{display:block;max-width:100%;max-height:300px;margin:0 auto 16px;border-radius:12px}
.sse-pv-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sse-pv-opt{display:flex;align-items:center;gap:12px;min-height:64px;padding:14px 16px;border:2px solid var(--sse-line);border-radius:14px;background:var(--sse-surface);font:inherit;font-size:17px;font-weight:600;text-align:left;cursor:pointer;color:var(--sse-ink)}
.sse-pv-opt.is-picked{border-color:var(--sse-accent);background:color-mix(in srgb,var(--sse-accent) 10%,#fff)}
.sse-pv-opt.is-right{border-color:#16a34a;background:#ecfdf3}
.sse-pv-opt.is-wrong{opacity:.55}
.sse-pv-short{width:100%;padding:14px;border:2px solid var(--sse-line);border-radius:12px;font:inherit;font-size:17px}
.sse-pv-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px}

@media (max-width:900px){
  .sse-b-grid{grid-template-columns:1fr}
  .sse-b-side{position:static;max-height:none;flex-direction:column}
  .sse-b-list{flex-direction:row;overflow-x:auto;padding-bottom:4px}
  .sse-b-li{flex:0 0 190px}
}
@media (max-width:600px){
  .sse-b-row,.sse-opts,.sse-pv-opts{grid-template-columns:1fr}
  .sse-b-title{font-size:19px}
  .sse-search input{min-width:0;flex:1}
  .sse-search{width:100%}
  .sse-pv-q{font-size:19px}
}

/* ================= Milestone 3: exam setup, control room, student join & waiting room ================= */
[data-only][hidden]{display:none!important}
.sse-btn--lg{min-height:54px;font-size:17px}
.sse-setup{display:flex;flex-direction:column;gap:18px}
.sse-setup-head .sse-title{margin-top:4px}
.sse-modes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.sse-mode{display:flex;gap:12px;align-items:flex-start;border:2px solid var(--sse-line);border-radius:14px;padding:14px 16px;cursor:pointer;background:var(--sse-surface)}
.sse-mode input{margin-top:4px;accent-color:var(--sse-accent)}
.sse-mode span{display:flex;flex-direction:column;gap:3px}
.sse-mode small{color:var(--sse-soft);font-size:13.5px}
.sse-mode.is-active{border-color:var(--sse-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--sse-accent) 16%,transparent)}
.sse-toggle{display:flex;gap:10px;align-items:flex-start;cursor:pointer;padding:6px 0}
.sse-toggle input{margin-top:4px;width:18px;height:18px;accent-color:var(--sse-accent);flex:none}
.sse-toggle span{display:flex;flex-direction:column;gap:2px;font-size:14.5px}
.sse-toggle small{color:var(--sse-soft);font-size:12.5px}
.sse-setup-foot{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}

.sse-session{display:flex;flex-direction:column;gap:16px}
.sse-room-head{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;flex-wrap:wrap}
.sse-room-head .sse-title{margin:6px 0 4px}
.sse-joinbox{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.sse-joinbox-text{display:flex;flex-direction:column;gap:4px}
.sse-joinbox-url{font-size:18px;font-weight:700;color:var(--sse-brand);word-break:break-all}
.sse-pin{font-size:56px;line-height:1;font-weight:800;letter-spacing:.06em;color:var(--sse-brand);margin:4px 0 10px;font-variant-numeric:tabular-nums}
.sse-qr{background:#fff;border:1px solid var(--sse-line);border-radius:14px;padding:8px;line-height:0}
.sse-qr svg{width:200px;height:200px}
.sse-count{display:inline-block;min-width:28px;padding:2px 9px;border-radius:20px;background:var(--sse-accent);color:#fff;font-size:14px;text-align:center;margin-left:6px}
.sse-people{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.sse-person{display:flex;align-items:center;gap:8px;border:1px solid var(--sse-line);border-radius:11px;padding:8px 10px;background:var(--sse-bg)}
.sse-person-name{flex:1;min-width:0;font-weight:600;font-size:14.5px;overflow:hidden;text-overflow:ellipsis;display:flex;flex-direction:column}
.sse-person-name small{font-weight:400;color:var(--sse-soft);font-size:12px}
.sse-dot{width:9px;height:9px;border-radius:50%;background:#cbd5e1;flex:none}
.sse-person.is-online .sse-dot{background:#16a34a}
.sse-person-x{border:0;background:none;color:var(--sse-soft);font-size:18px;cursor:pointer;border-radius:6px;padding:0 6px}
.sse-person-x:hover{color:#b91c1c;background:#fef2f2}
.sse-settings summary{cursor:pointer}
.sse-dl{display:grid;grid-template-columns:minmax(160px,auto) 1fr;gap:8px 16px;margin:14px 0 0;font-size:14.5px}
.sse-dl dt{color:var(--sse-soft)}
.sse-dl dd{margin:0;font-weight:600}

/* projector / full-screen join screen */
.sse-proj{position:fixed;inset:0;z-index:100001;background:linear-gradient(135deg,var(--sse-brand),#0f1f3d);color:#fff;display:flex;align-items:center;justify-content:center;padding:30px;overflow:auto}
.sse-proj-x{position:absolute;top:18px;right:18px}
.sse-proj-inner{width:100%;max-width:1100px;text-align:center}
.sse-proj-title{font-size:30px;font-weight:700;margin-bottom:26px;opacity:.95}
.sse-proj-grid{display:flex;align-items:center;justify-content:center;gap:48px;flex-wrap:wrap}
.sse-proj-label{font-size:18px;text-transform:uppercase;letter-spacing:.1em;opacity:.75;margin-top:10px}
.sse-proj-url{font-size:30px;font-weight:700}
.sse-proj-pin{font-size:110px;font-weight:800;letter-spacing:.06em;line-height:1.05;font-variant-numeric:tabular-nums}
.sse-proj-qr{background:#fff;border-radius:18px;padding:12px;line-height:0}
.sse-proj-qr svg{width:300px;height:300px}
.sse-proj-count{font-size:26px;margin-top:28px}
.sse-proj-count strong{font-size:44px}
.sse-proj-names{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}
.sse-proj-names span{background:rgba(255,255,255,.14);border-radius:20px;padding:6px 14px;font-weight:600}
.sse-session:fullscreen{background:var(--sse-bg)}

/* student join + waiting room */
.sse-student{max-width:520px}
.sse-pin-input{font-size:34px!important;letter-spacing:.3em;text-align:center;font-weight:800;padding:16px!important;font-variant-numeric:tabular-nums}
.sse-join-cover{width:100%;max-height:180px;object-fit:cover;border-radius:12px;margin-bottom:14px}
.sse-facts{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 12px}
.sse-facts span{background:var(--sse-bg);border:1px solid var(--sse-line);border-radius:20px;padding:4px 11px;font-size:13px;font-weight:600;color:var(--sse-brand)}
.sse-instructions{background:var(--sse-bg);border-radius:12px;padding:12px 14px;margin:0 0 16px;font-size:14.5px}
.sse-instructions>div{margin-top:4px}
.sse-me{display:inline-flex;align-items:center;gap:8px;font-weight:600;background:var(--sse-bg);border-radius:20px;padding:6px 12px;margin:2px 0 16px;font-size:14.5px}
.sse-me-dot{width:9px;height:9px;border-radius:50%;background:#16a34a}
.sse-wait{text-align:center;padding:18px 0 6px}
.sse-wait h3{font-size:22px;margin:12px 0 4px;color:var(--sse-brand)}
.sse-wait-icon{font-size:40px}
.sse-joined{font-size:15px;color:var(--sse-soft)}
.sse-joined strong{font-size:22px;color:var(--sse-brand)}
.sse-pulse{width:64px;height:64px;border-radius:50%;background:var(--sse-accent);margin:0 auto;animation:ssePulse 1.6s ease-in-out infinite}
@keyframes ssePulse{0%{transform:scale(.85);box-shadow:0 0 0 0 color-mix(in srgb,var(--sse-accent) 50%,transparent)}70%{transform:scale(1);box-shadow:0 0 0 22px transparent}100%{transform:scale(.85)}}
@media (prefers-reduced-motion:reduce){.sse-pulse{animation:none}}

@media (max-width:600px){
  .sse-modes{grid-template-columns:1fr}
  .sse-pin{font-size:44px}
  .sse-qr{margin:0 auto}
  .sse-dl{grid-template-columns:1fr}
  .sse-proj-pin{font-size:64px}
  .sse-proj-qr svg{width:220px;height:220px}
}

/* ================= Milestone 4: taking the exam (student) + live control (teacher) ================= */
.sse-student--portal{max-width:760px}
.sse-x-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.sse-x-head .sse-title{font-size:20px;margin:2px 0 0}
.sse-x-head .sse-me{margin:0}
.sse-x-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--sse-brand);color:#fff;border-radius:12px;padding:10px 16px;margin:10px 0 16px;font-weight:600;font-size:14.5px;position:sticky;top:70px;z-index:5}
.sse-x-timer{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.03em}
.sse-x-timer.is-low{color:#fecaca}
.sse-x-q{font-size:22px;font-weight:600;line-height:1.55;margin:4px 0 14px;color:var(--sse-ink)}
.sse-x-img{display:block;max-width:100%;max-height:320px;margin:0 auto 16px;border-radius:12px}
.sse-x-opts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.sse-x-opt{position:relative;display:flex;align-items:center;gap:12px;min-height:72px;padding:14px 16px;border:2px solid var(--sse-line);border-radius:16px;background:var(--sse-surface);font:inherit;font-size:18px;font-weight:600;color:var(--sse-ink);text-align:left;cursor:pointer;transition:transform .1s,border-color .15s,background .15s;touch-action:manipulation}
.sse-x-opt:hover:not([disabled]){border-color:var(--sse-accent)}
.sse-x-opt:active:not([disabled]){transform:scale(.98)}
.sse-x-opt.is-picked{border-color:var(--sse-accent);background:color-mix(in srgb,var(--sse-accent) 12%,#fff);box-shadow:0 0 0 3px color-mix(in srgb,var(--sse-accent) 22%,transparent)}
.sse-x-opt.is-right{border-color:#16a34a;background:#ecfdf3}
.sse-x-opt.is-wrong{border-color:#dc2626;background:#fef2f2}
.sse-x-opt[disabled]{cursor:default}
.sse-x-opt .sse-opt-shape{width:24px;height:24px}
.sse-x-opt-t{flex:1}
.sse-x-tick{font-size:18px;color:var(--sse-accent-d)}
.sse-x-short{width:100%;padding:14px;border:2px solid var(--sse-line);border-radius:14px;font:inherit;font-size:18px;margin-bottom:14px;background:var(--sse-bg)}
.sse-x-short:focus{outline:none;border-color:var(--sse-accent)}
.sse-x-sent{text-align:center;font-weight:700;color:#15803d;background:#ecfdf3;border-radius:12px;padding:14px}
.sse-x-nav{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-top:6px}
.sse-x-pal{display:flex;flex-wrap:wrap;gap:6px;margin:-4px 0 14px}
.sse-x-pal button{width:36px;height:36px;border-radius:9px;border:1.5px solid var(--sse-line);background:var(--sse-surface);font:inherit;font-weight:700;font-size:13.5px;cursor:pointer;color:var(--sse-soft)}
.sse-x-pal button.is-done{background:#ecfdf3;border-color:#86efac;color:#15803d}
.sse-x-pal button.is-cur{border-color:var(--sse-accent);color:var(--sse-accent-d);box-shadow:0 0 0 2px color-mix(in srgb,var(--sse-accent) 25%,transparent)}

/* results */
.sse-res{text-align:center;margin:10px 0 18px}
.sse-res-score{display:inline-flex;flex-direction:column;align-items:center;gap:4px;padding:22px 34px;border-radius:20px;background:var(--sse-bg)}
.sse-res-score.is-pass{background:#ecfdf3}
.sse-res-score.is-fail{background:#fff7ed}
.sse-res-big{font-size:48px;font-weight:800;color:var(--sse-brand);line-height:1}
.sse-res-big small{font-size:22px;color:var(--sse-soft)}
.sse-res-pct{font-size:20px;font-weight:700}
.sse-res-badge{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--sse-soft)}
.sse-res-grid{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:16px 0 6px}
.sse-res-grid div{min-width:96px;background:var(--sse-surface);border:1px solid var(--sse-line);border-radius:12px;padding:10px}
.sse-res-grid strong{display:block;font-size:22px;color:var(--sse-brand)}
.sse-res-grid span{font-size:12.5px;color:var(--sse-soft)}
.sse-lb{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-direction:column;gap:6px}
.sse-lb li{display:flex;align-items:center;gap:10px;border:1px solid var(--sse-line);border-radius:11px;padding:8px 12px;background:var(--sse-surface)}
.sse-lb li span{width:26px;height:26px;border-radius:50%;background:var(--sse-bg);display:grid;place-items:center;font-weight:800;font-size:13px;color:var(--sse-brand)}
.sse-lb li:nth-child(1) span{background:#fde68a}.sse-lb li:nth-child(2) span{background:#e5e7eb}.sse-lb li:nth-child(3) span{background:#fed7aa}
.sse-lb li b{flex:1}
.sse-lb li em{font-style:normal;color:var(--sse-soft);font-size:13px}
.sse-lb li.is-me{border-color:var(--sse-accent);background:color-mix(in srgb,var(--sse-accent) 8%,#fff)}
.sse-rev{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;counter-reset:rev}
.sse-rev li{border:1px solid var(--sse-line);border-left-width:5px;border-radius:12px;padding:12px 14px;background:var(--sse-surface)}
.sse-rev li.is-right{border-left-color:#16a34a}.sse-rev li.is-wrong{border-left-color:#dc2626}.sse-rev li.is-unanswered{border-left-color:#94a3b8}.sse-rev li.is-pending{border-left-color:#f59e0b}
.sse-rev-q{font-weight:600;margin-bottom:6px}
.sse-rev li img{max-width:100%;max-height:160px;border-radius:8px;margin-bottom:6px}
.sse-rev-a{display:flex;flex-direction:column;gap:2px;font-size:14.5px}
.sse-rev-s{font-size:13px;color:var(--sse-soft);margin-top:4px}

/* teacher live panel */
.sse-lv{border:2px solid var(--sse-accent)}
.sse-lv-timer{font-size:24px;font-weight:800;color:var(--sse-brand);font-variant-numeric:tabular-nums}
.sse-lv-timer .is-low{color:#dc2626}
.sse-lv-q{font-size:21px;font-weight:600;line-height:1.5;margin:10px 0 12px}
.sse-lv-img{max-width:100%;max-height:220px;border-radius:12px;margin-bottom:12px}
.sse-lv-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sse-lv-opt{display:flex;align-items:center;gap:10px;border:1.5px solid var(--sse-line);border-radius:12px;padding:10px 12px;background:var(--sse-bg)}
.sse-lv-opt.is-correct{border-color:#16a34a;background:#ecfdf3}
.sse-lv-t{flex:1;font-weight:600}
.sse-lv-bar{flex:0 0 90px;height:10px;background:var(--sse-line);border-radius:6px;overflow:hidden}
.sse-lv-bar i{display:block;height:100%;background:var(--sse-accent)}
.sse-lv-foot{margin-top:14px}
.sse-person-info{color:var(--sse-accent-d)!important}

@media (max-width:600px){
  .sse-x-opts,.sse-lv-opts{grid-template-columns:1fr}
  .sse-x-opt{min-height:60px;font-size:17px}
  .sse-x-q{font-size:19px}
  .sse-x-bar{top:60px}
}

/* ================= Milestone 5: reports & grading ================= */
.sse-badge--warn{background:#fff4dc;color:#b45309}
.sse-badge--fail{background:#fee2e2;color:#b91c1c}
.sse-table--report td,.sse-table--report th{white-space:nowrap}
.sse-qstats{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}
.sse-qstat{display:flex;flex-direction:column;gap:8px;padding:18px}
.sse-qstat-q{font-weight:600;line-height:1.5}
.sse-qstat-pct{font-weight:800;color:#15803d}
.sse-qstat-pct.is-low{color:#b91c1c}
.sse-qstat-foot{font-size:13px;color:var(--sse-soft)}
.sse-grade{width:80px;padding:6px 8px;border:1.5px solid var(--sse-accent);border-radius:8px;font:inherit;font-weight:700}