/* ===== QuestChart AI — sidebar layout · presentation only (logic untouched) ===== */
:root{
  --bg:#131028; --panel:#1A1636; --control:#221D45; --control2:#2A2455;
  --line:#352E62; --line2:#2B2550;
  --violet:#8B6DFF; --violet-dim:#6F55D6; --gold:#F5C451; --mint:#4FD1A5; --danger:#FF6B8A;
  --text:#ECE9FB; --muted:#9E97C4; --muted2:#726C9A;
  --r-panel:16px; --r-ctl:11px;
  --cta:linear-gradient(135deg,var(--violet),var(--violet-dim));
  --sans:"Inter",system-ui,Segoe UI,Arial,sans-serif;
  --brand:"Fredoka","Inter",system-ui,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}   /* the `hidden` attribute must always win over component display rules */
html,body{margin:0}
body{
  font-family:var(--sans); color:var(--text); background:var(--bg);
  background-image:
    radial-gradient(720px 460px at 100% -6%, rgba(139,109,255,.16), transparent 60%),
    radial-gradient(680px 460px at -6% 108%, rgba(245,196,81,.10), transparent 60%);
  background-attachment:fixed; min-height:100vh; font-size:14px; line-height:1.5;
}
a{color:var(--violet);text-decoration:none} a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--brand);font-weight:600;margin:0}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;border-radius:8px}

.app{display:flex;align-items:flex-start;min-height:100vh}

/* ---------- Sidebar ---------- */
.sidebar{
  width:252px;flex:0 0 252px;position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;gap:14px;padding:18px 14px;
  background:linear-gradient(180deg,#181334,#141029);border-right:1px solid var(--line2);
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 6px}
.brand-logo{width:38px;height:38px;filter:drop-shadow(0 4px 10px rgba(139,109,255,.4))}
.brand-name{font-family:var(--brand);font-weight:700;font-size:20px;line-height:1}
.brand-name span{color:var(--gold)}
.brand-sub{font-size:11px;color:var(--muted);margin-top:2px}
.nav{display:flex;flex-direction:column;gap:3px}
.nav-group{font-size:10px;letter-spacing:.7px;text-transform:uppercase;color:var(--muted2);margin:12px 8px 4px;font-weight:600}
.nav-item{
  display:flex;align-items:center;gap:9px;width:100%;text-align:left;cursor:pointer;
  padding:10px 11px;border-radius:10px;border:1px solid transparent;background:transparent;
  color:var(--text);font:500 14px/1 var(--sans);transition:background .15s,border-color .15s;
}
.nav-item span:first-of-type{flex:1}
.nav-item:hover{background:#20193f}
.nav-item.active{background:rgba(139,109,255,.16);border-color:rgba(139,109,255,.4)}
.nav-badge{font:700 9px/1 var(--sans);color:var(--gold);border:1px solid rgba(245,196,81,.5);border-radius:5px;padding:2px 5px;background:rgba(245,196,81,.08)}
.side-foot{margin-top:auto}
.credit-card{background:var(--control);border:1px solid var(--line);border-radius:14px;padding:12px}
.credit-top{font-size:12px;color:var(--muted);margin-bottom:8px}
.credit-bar{height:8px;border-radius:99px;background:#0e0b22;overflow:hidden;border:1px solid var(--line2)}
.credit-bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--gold),#ffd97a);transition:width .4s ease}
.lic-status{display:block;font-size:12px;color:var(--muted);margin-top:8px}
.lic-status.ok,.credit-card.on .lic-status{color:var(--mint)}
.lic-status.bad{color:var(--danger)}
.credit-card .lic-status{padding-left:16px;position:relative}
.credit-card .lic-status::before{content:"";position:absolute;left:2px;top:5px;width:8px;height:8px;border-radius:50%;background:var(--muted2)}
.credit-card.on .lic-status::before{background:var(--mint);box-shadow:0 0 8px var(--mint)}
.side-links{font-size:11px;color:var(--muted2);margin-top:9px}

/* ---------- Main / panels ---------- */
.main{flex:1;min-width:0;padding:24px 26px 60px;max-height:100vh;overflow-y:auto}
.panel{max-width:1180px;margin:0 auto}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.topbar h1{font-size:24px}
.topbar h1 .badge{vertical-align:middle}
.topbar p{margin:5px 0 0;color:var(--muted);font-size:13px}
.lic{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
.lic input{width:200px;padding:9px 11px;border-radius:var(--r-ctl);border:1px solid var(--line);background:var(--control);color:var(--text)}
.lic-tabs{display:flex;gap:4px}
.lic-tab{padding:5px 12px;border-radius:8px 8px 0 0;border:1px solid var(--line);border-bottom:none;background:var(--control);color:var(--muted);font:600 12px/1 var(--sans);cursor:pointer}
.lic-tab.on{background:var(--control2);color:var(--text);border-color:var(--violet)}
.lic-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.lic-extra{display:flex;flex-direction:column;gap:2px;align-items:flex-end;text-align:right;max-width:300px}
.linklike{background:none;border:none;color:var(--violet);font:600 12px/1 var(--sans);cursor:pointer;padding:0}
.linklike:hover{text-decoration:underline}
.linklike-note{font-size:11px;color:var(--muted)}

.two-col{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:22px;align-items:start}
.controls{display:flex;flex-direction:column;gap:16px;min-width:0}
.result{position:sticky;top:8px}

/* ---------- Steps ---------- */
.step{background:var(--panel);border:1px solid var(--line2);border-radius:var(--r-panel);padding:16px}
.step-h{display:flex;align-items:center;gap:10px;font-family:var(--brand);font-weight:600;font-size:16px;margin-bottom:12px}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;
  background:rgba(139,109,255,.18);color:#cbb8ff;font-family:var(--brand);font-weight:600;font-size:14px}
.sub-h{font-size:12px;color:var(--muted);margin:12px 0 7px}
.sub-h:first-of-type{margin-top:0}
.count{font-size:11px;color:var(--muted2);margin-top:9px}

/* ---------- Chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;padding:8px 13px;border-radius:99px;border:1px solid var(--line);background:var(--control);
  color:var(--text);font:500 13px/1 var(--sans);cursor:pointer;transition:border-color .15s,transform .1s}
.chip:hover{border-color:var(--violet)}
.chip.on{background:var(--cta);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(139,109,255,.35)}
.chip .pro{margin-left:6px;font:800 9px/1 var(--sans);color:var(--gold);border:1px solid rgba(245,196,81,.6);border-radius:4px;padding:2px 4px;vertical-align:middle}
.chip .pro.bundle{color:var(--mint);border-color:rgba(79,209,165,.6)}
.chip.locked{opacity:.5}
.chip.locked:hover{border-color:var(--gold)}
/* purpose = 2 big cards */
.chips.big{gap:12px}
.chips.big .chip{flex:1;min-width:140px;text-align:center;padding:16px 12px;font-family:var(--brand);font-size:16px;font-weight:600;border-radius:14px}

/* ---------- Subject master–detail ---------- */
.subject-panel{display:grid;grid-template-columns:172px 1fr;gap:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#171235}
.subject-groups{display:flex;flex-direction:column;gap:4px;padding:8px;background:#1b1640;border-right:1px solid var(--line);max-height:300px;overflow:auto}
.subject-groups .chip{width:100%;text-align:left;border-radius:8px;padding:8px 10px;border-color:transparent;background:transparent}
.subject-groups .chip:hover{background:#241d4d;border-color:transparent}
.subject-groups .chip.on{background:var(--cta);color:#fff}
.subject-cons{padding:12px;min-width:0;display:flex;flex-direction:column}
.subject-cons .chips.items{gap:8px}
.subject-cons .chips.items .chip{font-size:13px;padding:8px 12px}
.subject-actions{display:flex;gap:8px;margin-top:auto;padding-top:12px;flex-wrap:wrap}
.subject-custom{display:flex;align-items:center;gap:10px;margin-top:10px}
.subject-custom label{margin:0;white-space:nowrap;font-size:12px;color:var(--muted)}
.subject-custom input{flex:1}
.subject-dim{opacity:.4;pointer-events:none;filter:grayscale(.4)}

/* ---------- Fields / inputs ---------- */
input[type=text],input[type=password],input[type=number],select,textarea,.fld input,.fld select,.fld textarea{
  width:100%;padding:9px 11px;border-radius:var(--r-ctl);border:1px solid var(--line);background:var(--control);color:var(--text);
  font:14px/1.4 var(--sans);margin-top:0}
textarea{resize:vertical;min-height:52px}
.fld{display:block;font-size:12px;color:var(--muted)}
.fld>input,.fld>select,.fld>textarea{margin-top:5px}
label.fld{margin:0}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--violet)}
.rb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);cursor:pointer}
.rb input{width:auto;margin:0}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row .fld{flex:1;min-width:130px}

/* ---------- Tasks ---------- */
.tasks-head{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:8px}
.task-row{display:flex;gap:8px;margin-bottom:7px}
.task-row input{flex:1}
.task-row .del{flex:0 0 auto;width:38px;padding:0;color:var(--danger);border-color:var(--line)}
.task-row .del:hover{border-color:var(--danger);background:rgba(255,107,138,.1)}

/* ---------- Advanced ---------- */
.adv{border:1px solid var(--line2);border-radius:12px;padding:8px 14px;background:#161230}
.adv summary{cursor:pointer;font-size:13px;color:var(--muted)}
.adv .row{margin-top:12px}
.adv .rb{margin-top:10px}

/* ---------- Quantity stepper ---------- */
.qty-row{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.stepper{display:inline-flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:var(--r-ctl);overflow:hidden;background:var(--control)}
.stepper .step-btn{width:38px;height:40px;border:0;background:transparent;color:var(--text);font-size:20px;cursor:pointer}
.stepper .step-btn:hover{background:var(--control2)}
.stepper #qty{width:56px;text-align:center;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);border-radius:0;margin:0;background:transparent}
.stepper #qty::-webkit-inner-spin-button{display:none}

/* ---------- Buttons ---------- */
button{font-family:var(--sans)}
.primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 18px;border:0;border-radius:13px;
  background:var(--cta);color:#fff;font-family:var(--brand);font-weight:600;font-size:15px;cursor:pointer;
  box-shadow:0 8px 20px rgba(139,109,255,.3);transition:transform .1s,box-shadow .15s;width:100%}
.primary:hover{box-shadow:0 10px 26px rgba(139,109,255,.42)}
.primary:active{transform:translateY(1px)}
.primary:disabled{opacity:.6;cursor:default;box-shadow:none}
.ghost{padding:11px 16px;border-radius:12px;border:1px solid var(--line);background:var(--control);color:var(--text);font-weight:500;font-size:14px;cursor:pointer;width:100%}
.ghost:hover{border-color:var(--violet)}
.mini{padding:8px 12px;border-radius:9px;border:1px solid var(--line);background:var(--control);color:var(--text);font:500 13px/1 var(--sans);cursor:pointer;width:auto}
.mini:hover{border-color:var(--violet)}
.mini.primary{width:auto;box-shadow:none;padding:9px 14px;font-family:var(--sans);font-size:13px;font-weight:600}
.cta-row{display:flex;flex-direction:column;gap:9px}

/* ---------- img-source / qty cost lines ---------- */
.img-source{font-size:12px;padding:9px 11px;border-radius:10px;border:1px solid var(--line);line-height:1.45}
.img-source.byok{background:rgba(79,209,165,.1);border-color:rgba(79,209,165,.4);color:#a7f0d3}
.img-source.system{background:rgba(139,109,255,.08);border-color:var(--line);color:#cfc8f0}
.img-source b{color:#fff}
.seldebug{display:none}

/* ---------- Result / preview ---------- */
.result-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.result-head h2{font-size:18px}
.badge{font:700 10px/1 var(--sans);padding:4px 8px;border-radius:6px;background:var(--control2);color:var(--muted)}
.badge.ok{background:rgba(79,209,165,.15);color:var(--mint)}
.badge.warn{background:rgba(245,196,81,.15);color:var(--gold)}
.preview-box{background:var(--panel);border:1px solid var(--line2);border-radius:var(--r-panel);padding:12px;min-height:300px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(0,0,0,.28)}
.preview-box svg{width:100%;height:auto;border-radius:8px;background:#fff}
.empty{color:var(--muted2);font-size:13px;text-align:center;padding:40px 20px}
.dl{display:flex;gap:8px;margin-top:12px}
.dl .primary,.dl .ghost{width:auto;flex:1}
.msg{font-size:13px;min-height:1px;margin-top:2px}
.msg.ok{color:var(--mint)} .msg.bad{color:var(--danger)}

/* ---------- Result grid (batch + sell kit mockups) ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:12px}
.gcell{background:var(--panel);border:1px solid var(--line2);border-radius:12px;padding:8px;text-align:center}
.gthumb{min-height:120px;display:flex;align-items:center;justify-content:center;background:#0f0b26;border-radius:8px;color:var(--muted2);overflow:hidden}
.gthumb.has{background:#fff}
.gthumb.has svg,.gthumb.has img{width:100%;height:auto;display:block}
.gthumb.real{outline:2px solid var(--gold);outline-offset:-2px}
.gcap{font-size:11px;color:var(--muted);margin:6px 0 4px}

/* ---------- Sell Kit / Agency blocks ---------- */
.sellkit,.bundle{background:var(--panel);border:1px solid var(--line2);border-radius:var(--r-panel);padding:16px}
.sk-locked{background:rgba(245,196,81,.08);border:1px solid rgba(245,196,81,.35);border-radius:12px;padding:12px;font-size:13px;color:#f0e4c4;margin-bottom:6px}
.sk-block{border:1px solid var(--line2);border-radius:12px;padding:12px 14px;margin:10px 0;background:#161230}
.sk-block-h{font-family:var(--brand);font-weight:600;font-size:14px;margin-bottom:6px}
.sk-tag{font-size:12px;color:var(--muted);margin-bottom:8px}
.sk-opts{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0}
.sk-opts .fld{flex:1;min-width:120px}
.sk-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px 0}
.sk-copyrow{display:flex;gap:8px;margin:4px 0 12px;flex-wrap:wrap}
.cs-label{display:block}
.cs-hint{font-size:11px;color:var(--muted2);margin-top:6px;line-height:1.4}
.sk-titleopts{display:flex;flex-direction:column;gap:6px;margin:4px 0}
.sk-titleopts .sk-topt{display:flex;gap:8px;align-items:flex-start;padding:8px 10px;border:1px solid var(--line);border-radius:9px;background:var(--control);cursor:pointer;font-size:12px;line-height:1.4}
.sk-titleopts .sk-topt.on{border-color:var(--violet);background:var(--control2)}
.sk-titleopts .sk-topt input{width:auto;margin-top:2px}
.sk-titleopts .sk-topt .len{color:var(--muted2);font-size:11px;margin-left:auto;white-space:nowrap}
.logo-prev{max-height:44px;border-radius:6px;border:1px solid var(--line);background:#fff;padding:2px}
.byok-way{border:1px solid var(--line);border-radius:10px;padding:9px 11px;margin:8px 0;background:var(--control)}
.byok-way b{font-size:12px}
.byok-way .byok-easy{font-size:11px;color:var(--muted2)}
.byok-way .fld{margin-top:6px}
.reseller-note{font-size:12px;color:var(--muted);margin:12px 2px 0}

/* ---------- OTO3 border preview ---------- */
.bp-box{position:relative;padding:14px;min-height:340px}
.bp-box svg{border:1px solid #e6e4ee;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.bp-lock{position:absolute;top:20px;left:50%;transform:translateX(-50%);background:rgba(19,16,40,.9);color:var(--gold);
  border:1px solid rgba(245,196,81,.5);border-radius:99px;padding:6px 14px;font:600 12px/1 var(--sans);white-space:nowrap}
.bp-cap{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}

/* ---------- Bundle (viền) ---------- */
.bundle-tag{font-size:12px;color:var(--muted);margin:0 0 12px}
.bundle-packs{display:grid;gap:12px;max-height:420px;overflow-y:auto;padding-right:4px}
.bchip{display:inline-flex;align-items:center;gap:5px}
.bchip .sw{display:inline-block;width:10px;height:10px;border-radius:3px;vertical-align:middle;border:1px solid #0004}
#bundleVariants{margin-top:12px;align-items:center}
.bundle-vlabel{font-size:12px;color:var(--muted);margin-right:2px}
.pro.bundle{background:transparent}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;background:rgba(9,7,20,.72);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px;max-width:380px;width:100%;text-align:center}
.modal-lock{font-size:34px;margin-bottom:8px}
.modal-box h3{font-size:20px;margin-bottom:8px}
.modal-box p{color:var(--muted);font-size:14px;margin:0 0 16px}
.modal-box .primary{margin-bottom:10px;text-decoration:none}

/* ---------- Responsive ---------- */
@media(max-width:1080px){
  .two-col{grid-template-columns:1fr}
  .result{position:static}
}
@media(max-width:760px){
  .app{flex-direction:column}
  .sidebar{width:100%;flex-basis:auto;height:auto;position:static;flex-direction:column;border-right:0;border-bottom:1px solid var(--line2)}
  .side-foot{margin-top:8px}
  .main{max-height:none;overflow:visible;padding:18px 14px 50px}
  .nav{flex-direction:row;flex-wrap:wrap}
  .nav-group{width:100%;margin:6px 8px 2px}
  .nav-item{width:auto}
}
@media(max-width:560px){.subject-panel{grid-template-columns:1fr}.subject-groups{flex-direction:row;flex-wrap:wrap;max-height:none;border-right:0;border-bottom:1px solid var(--line)}.subject-groups .chip{width:auto}.subject-custom{flex-direction:column;align-items:stretch}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- Admin page ---------- */
.wrap{max-width:1100px;margin:0 auto;padding:20px}
.wrap .card{background:var(--panel,#1A1636);border:1px solid var(--line,#352E62);border-radius:16px;padding:18px 20px;margin-bottom:16px}
.wrap h2{font-family:var(--brand,inherit);font-size:18px;margin:0 0 8px}
.admin-forms{display:flex;gap:14px;flex-wrap:wrap;margin:10px 0}
.admin-forms .af{background:var(--control,#221D45);border:1px solid var(--line,#352E62);border-radius:11px;padding:12px;display:flex;flex-direction:column;gap:6px}
.admin-forms .af .lbl{font-size:12px;color:var(--muted,#9E97C4);font-weight:600}
.admin-forms .af input[type=text],.admin-forms .af input[type=number],.admin-forms .af input[type=password],.admin-forms .af input[type=date]{padding:8px 10px;border-radius:9px;border:1px solid var(--line,#352E62);background:#11142a;color:var(--text,#ECE9FB)}
.tablewrap{overflow-x:auto;border:1px solid var(--line,#352E62);border-radius:11px;margin:8px 0}
.wrap table{width:100%;border-collapse:collapse;font-size:13px}
.wrap th,.wrap td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line,#2B2550)}
.wrap th{color:var(--muted,#9E97C4);font-weight:600;background:#00000020}
.wrap .mono{font-family:ui-monospace,Menlo,monospace;font-size:12px}
.note{font-size:12px;color:var(--muted,#9E97C4);margin:6px 0}
.stats-box{background:var(--control,#221D45);border:1px solid var(--line,#352E62);border-radius:11px;padding:12px;font-size:13px;line-height:1.7;color:var(--text,#ECE9FB)}
.stats-box b{color:var(--gold,#F5C451)}

/* ---- Buy-more-credit (topup) ---- */
.buy-credit{display:block;width:100%;margin-top:10px;background:var(--cta);color:#fff;border:none;font-weight:600}
.buy-credit:hover{filter:brightness(1.06)}
.lowcredit{margin:10px 0;padding:10px 12px;border-radius:11px;border:1px solid var(--danger);
  background:rgba(255,107,138,.10);color:var(--danger);font-size:13px;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.lowcredit .buy{background:var(--cta);color:#fff;border:none}
.topup-list{display:flex;flex-direction:column;gap:10px;margin:6px 0 4px;text-align:left}
.topup-item{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--control)}
.topup-item.popular{border-color:var(--violet);box-shadow:0 0 0 2px rgba(139,109,255,.18)}
.topup-info b{font-size:15px}
.topup-price{font-size:13px;color:var(--muted);margin-top:2px}
.topup-item .buy{background:var(--cta);color:#fff;border:none;padding:9px 18px;font-weight:600;text-decoration:none}
.topup-item .buy:hover{filter:brightness(1.06);text-decoration:none}
.topup-warn{font-size:12px;color:var(--gold);background:rgba(245,196,81,.08);
  border:1px solid rgba(245,196,81,.3);border-radius:9px;padding:8px 10px;margin:8px 0}

/* ---- My Library ---- */
.lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:8px}
.lib-empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px 12px;font-size:14px;
  border:1px dashed var(--line);border-radius:var(--r-panel);background:var(--panel)}
.lib-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line2);border-radius:14px;overflow:hidden}
.lib-thumb{aspect-ratio:1/1.1;background:#fff;display:grid;place-items:center}
.lib-thumb img{width:100%;height:100%;object-fit:contain}
.lib-meta{padding:10px 12px 6px}
.lib-title{font-weight:600;font-size:14px;color:var(--text);line-height:1.3}
.lib-sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.lib-date{font-size:11px;color:var(--muted2);margin-top:3px}
.lib-actions{display:flex;gap:6px;padding:0 12px 12px;margin-top:auto}
.lib-actions .reload{flex:1;background:var(--cta);color:#fff;border:none}
.lib-actions .del{color:var(--danger)}