:root{--bg:#0a0e1a;--bg2:#111827;--card:#1a2236;--line:rgba(255,255,255,.1);--txt:#f1f5f9;--mut:#94a3b8;--pink:#ec4899;--purple:#8b5cf6;--ok:#34d399;--warn:#fbbf24;--bad:#f87171;--r:12px}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--pink)}
:focus-visible{outline:2px solid #fff;outline-offset:2px;border-radius:6px}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--txt);background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:9px 12px;width:100%;min-width:0}
input[type=color]{padding:2px;height:38px;width:52px;cursor:pointer}
input[type=checkbox],input[type=radio]{width:auto}
textarea{resize:vertical;min-height:84px}
label{display:block;font-size:.82rem;color:var(--mut);font-weight:600;margin:12px 0 5px}
.sr{position:absolute;left:-9999px}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;padding:10px 16px;background:rgba(10,14,26,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:900;font-size:1.25rem;text-decoration:none;background:linear-gradient(135deg,var(--pink),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.tb-profile{display:flex;gap:8px;align-items:center;min-width:180px;max-width:260px;flex:1}
.tb-profile input,.tb-profile select{padding:7px 10px}
.tb-profile select{font-weight:700;border-color:rgba(236,72,153,.55)}
.tb-status{font-size:.82rem;color:var(--mut);min-width:120px}
.tb-status.ok{color:var(--ok)}.tb-status.err{color:var(--bad)}
.tb-actions{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.ibtn{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:7px 12px;text-decoration:none;color:var(--txt);font-weight:600;font-size:.88rem;line-height:1.3}
.ibtn:hover{border-color:rgba(236,72,153,.5)}
.ibtn:disabled{opacity:.35;cursor:default}
.btn-primary{background:linear-gradient(135deg,var(--pink),var(--purple));border:0;border-radius:10px;padding:9px 20px;color:#fff;font-weight:800}
.btn-primary:hover{filter:brightness(1.1)}
.btn2{background:transparent;border:1px solid var(--line);border-radius:10px;padding:7px 14px;font-weight:600;font-size:.85rem}
.btn2:hover{border-color:var(--pink)}
.btn2.danger{border-color:rgba(248,113,113,.4);color:var(--bad)}

/* layout */
.app{display:grid;grid-template-columns:minmax(360px,520px) 1fr;gap:0;height:calc(100vh - 62px)}
.panel-left{overflow-y:auto;border-right:1px solid var(--line);padding:0 0 80px}
.panel-right{display:flex;flex-direction:column;min-width:0;background:#070a14}
.mobile-switch{display:none}
.tabs{display:flex;gap:2px;position:sticky;top:0;background:var(--bg);z-index:5;padding:10px 12px 0;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{background:none;border:0;padding:10px 14px;border-bottom:3px solid transparent;color:var(--mut);font-weight:700;white-space:nowrap}
.tabs button.on{color:#fff;border-bottom-color:var(--pink)}
#tab-body{padding:16px}
.sec{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}
.sec h3{margin:0 0 4px;font-size:1rem}
.sec p.h{margin:0 0 6px;color:var(--mut);font-size:.84rem}
.row{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.row>*{flex:1}.row>.fix{flex:none}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* blocks */
.blk{background:var(--card);border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;overflow:hidden}
.blk.drag{opacity:.4}.blk.over{border-color:var(--pink);box-shadow:0 0 0 2px rgba(236,72,153,.35)}
.blk.hidden .blk-body{display:none}
.blk-head{display:flex;align-items:center;gap:6px;padding:10px 12px;background:rgba(255,255,255,.03)}
.blk-head .grip{cursor:grab;color:var(--mut);padding:2px 6px;font-size:1.1rem;background:none;border:0}
.blk-head .nm{font-weight:700;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.blk-head .nm small{color:var(--mut);font-weight:500;margin-left:6px}
.blk-head button{background:none;border:0;padding:4px 7px;color:var(--mut);font-size:1rem;border-radius:8px}
.blk-head button:hover{color:#fff;background:rgba(255,255,255,.08)}
.blk.off .blk-head .nm{opacity:.45;text-decoration:line-through}
.blk-body{padding:12px 14px 14px}
.add-row{margin-top:6px}
.badge{display:inline-block;font-size:.72rem;font-weight:800;padding:2px 8px;border-radius:99px;background:rgba(52,211,153,.15);color:var(--ok);white-space:nowrap}
.rm{background:none;border:0;color:var(--bad);font-size:1.2rem;padding:2px 8px}
.addmenu{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-top:10px}
.addmenu button{background:var(--bg2);border:1px dashed var(--line);border-radius:10px;padding:12px 8px;font-weight:600}
.addmenu button:hover{border-color:var(--pink)}

/* design choosers */
.choices{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px}
.choice{background:var(--bg2);border:2px solid var(--line);border-radius:12px;padding:10px;text-align:center;font-size:.8rem;font-weight:700;cursor:pointer;color:var(--txt)}
.choice.on{border-color:var(--pink);box-shadow:0 0 0 2px rgba(236,72,153,.25)}
.choice .mini{height:56px;border-radius:8px;margin-bottom:6px;display:flex;flex-direction:column;gap:4px;padding:7px;justify-content:center}
.choice .mini i{display:block;height:7px;border-radius:4px;background:currentColor;opacity:.75}
.sw{height:40px;border-radius:8px;border:1px solid var(--line);margin-bottom:6px;position:relative}
.sw i{position:absolute;right:6px;bottom:6px;width:16px;height:16px;border-radius:50%}
.colors{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end}
.colors div{display:flex;flex-direction:column;gap:4px;font-size:.78rem;color:var(--mut)}

/* quality + AI */
.score{display:flex;align-items:center;gap:16px}
.ring{--p:0;width:78px;height:78px;border-radius:50%;background:conic-gradient(var(--c,var(--pink)) calc(var(--p)*1%),rgba(255,255,255,.08) 0);display:grid;place-items:center;flex:none}
.ring span{width:58px;height:58px;border-radius:50%;background:var(--card);display:grid;place-items:center;font-weight:900;font-size:1.2rem}
.todo{list-style:none;padding:0;margin:10px 0 0}
.todo li{padding:6px 0;border-top:1px solid var(--line);font-size:.88rem;display:flex;gap:8px}
.todo li::before{content:"○";color:var(--warn)}
.aibtns{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}

/* preview */
.pv-bar{display:flex;gap:12px;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.seg{display:inline-flex;background:var(--bg2);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{background:none;border:0;padding:7px 14px;font-weight:700;font-size:.84rem;color:var(--mut)}
.seg button.on{background:rgba(236,72,153,.2);color:#fff}
.sync{margin-left:auto;font-size:.82rem;font-weight:700;padding:5px 12px;border-radius:99px}
.sync.ok{background:rgba(52,211,153,.15);color:var(--ok)}.sync.old{background:rgba(251,191,36,.15);color:var(--warn);cursor:pointer}.sync.none{background:rgba(255,255,255,.07);color:var(--mut)}
.pv-note{font-size:.8rem;color:var(--mut);padding:8px 16px 0}
.pv-stage{flex:1;overflow:auto;padding:16px;display:flex;justify-content:center}
.pv-stage iframe{width:100%;height:100%;min-height:600px;border:0;background:#0b0f1d;border-radius:12px;transition:width .25s}
.pv-stage.mobile iframe{width:390px;max-width:100%;border:10px solid #1f2937;border-radius:34px}

/* modal / toast */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100;display:flex;align-items:center;justify-content:center;padding:16px}
.modal[hidden]{display:none}
.modal-card{background:var(--bg2);border:1px solid var(--line);border-radius:18px;max-width:760px;width:100%;max-height:92vh;overflow:auto;padding:24px;position:relative}
.modal-x{position:absolute;right:14px;top:10px;background:none;border:0;font-size:1.8rem;color:var(--mut)}
.modal h2{margin:0 0 6px}
.steps{display:grid;gap:10px;margin:14px 0}
.steps div{display:flex;gap:12px;align-items:flex-start}
.steps b{flex:none;width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--pink),var(--purple));display:grid;place-items:center;font-size:.85rem}
.codebox{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;min-height:150px}
.tpl{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:14px}
.tpl button{text-align:left;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.tpl button:hover{border-color:var(--pink)}
.tpl strong{display:block;margin-bottom:4px}.tpl span{color:var(--mut);font-size:.84rem}
.hist{list-style:none;margin:12px 0 0;padding:0}
.hist li{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#111827;border:1px solid var(--line);padding:11px 20px;border-radius:12px;z-index:120;box-shadow:0 10px 30px rgba(0,0,0,.5);max-width:90vw}
.toast[hidden]{display:none}
.toast.err{border-color:var(--bad)}.toast.ok{border-color:var(--ok)}
.banner{background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.4);border-radius:12px;padding:12px 14px;margin-bottom:14px;font-size:.88rem}
.banner .row{margin:8px 0 0}

/* seo section */
.seo{max-width:820px;margin:0 auto;padding:48px 20px 80px;color:var(--mut)}
.seo h1{color:var(--txt);font-size:1.7rem}.seo h2{color:var(--txt);margin-top:28px}.seo h3{color:var(--txt);margin:16px 0 4px;font-size:1rem}

@media(max-width:900px){
  .app{grid-template-columns:1fr;height:auto}
  .panel-left{border-right:0;overflow:visible}
  .panel-right{display:none;min-height:80vh}
  body.show-preview .panel-left{display:none}
  body.show-preview .panel-right{display:flex}
  .mobile-switch{display:flex;position:sticky;top:57px;z-index:40;background:var(--bg);border-bottom:1px solid var(--line)}
  .mobile-switch button{flex:1;background:none;border:0;padding:11px;font-weight:700;color:var(--mut);border-bottom:3px solid transparent}
  .mobile-switch button.on{color:#fff;border-bottom-color:var(--pink)}
  .tb-profile{max-width:none}
  .tabs{top:0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}