:root{
  --bg:#031019; --panel:#061d27; --panel2:#092a36; --cyan:#41e1e9; --cyan2:#18aebb;
  --text:#eaf8fa; --muted:#8da7ad; --line:rgba(89,225,234,.16); --gold:#d5ad66;
  --danger:#ff7f7b; --ok:#4de0a5;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,Arial,Helvetica,sans-serif;background:
radial-gradient(circle at 82% 10%,rgba(15,114,129,.23),transparent 34%),
linear-gradient(135deg,#020b11,#03151f 55%,#062833);color:var(--text)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:
linear-gradient(rgba(66,225,233,.035) 1px,transparent 1px),
linear-gradient(90deg,rgba(66,225,233,.035) 1px,transparent 1px);background-size:64px 64px}
button,input,select,textarea{font:inherit}
a{color:inherit;text-decoration:none}
.login{min-height:100vh;display:grid;place-items:center;padding:30px}
.login-card{width:min(520px,96vw);padding:36px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(150deg,rgba(8,44,54,.95),rgba(4,25,33,.97));box-shadow:0 30px 80px rgba(0,0,0,.35)}
.login-brand{display:flex;gap:16px;align-items:center}.login-brand img{width:72px;height:72px}.login-brand b{font-size:26px}.login-brand span{display:block;color:var(--cyan);font-size:12px;margin-top:5px}
.login-card p{color:var(--muted);line-height:1.6}.login-card label{font-size:10px;letter-spacing:1px;font-weight:900;color:#cde5e8}
.login-card input{width:100%;margin-top:8px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#051821;color:white;outline:none}
.login-card button{width:100%;margin-top:14px;padding:14px;border:0;border-radius:12px;background:linear-gradient(90deg,var(--cyan2),var(--cyan));color:#00161c;font-weight:900;cursor:pointer}
.login-error{color:#ff9d9d;font-size:12px;margin-top:8px}
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);background:rgba(3,15,22,.95);padding:20px 16px;z-index:4}
.brand{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px}.brand img{width:48px;height:48px}.brand b{display:block}.brand small{color:var(--cyan)}
.side-nav{display:grid;gap:6px;margin-top:20px}.side-nav a,.side-nav button{border:0;text-align:left;background:transparent;color:#9bb5ba;padding:11px 12px;border-radius:10px;cursor:pointer}
.side-nav a:hover,.side-nav a.active,.side-nav button:hover{background:#082b35;color:var(--cyan)}
.side-note{margin-top:25px;border-top:1px solid var(--line);padding-top:14px;color:#58777e;font-size:10px;line-height:1.5}
.content{padding:28px;max-width:1600px}
.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}
.topbar h1{margin:0;font-size:28px}.topbar h1 span{color:var(--cyan)}.topbar p{margin:5px 0 0;color:var(--muted);font-size:12px}
.top-actions{display:flex;gap:8px;align-items:center}.badge{border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:10px;color:#9ab7bc}.badge.ok:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);margin-right:6px}
.workspace{display:grid;grid-template-columns:minmax(680px,1.2fr) minmax(390px,.8fr);gap:16px}
.panel{border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,rgba(6,31,40,.9),rgba(4,22,30,.85));box-shadow:0 15px 45px rgba(0,0,0,.16)}
.panel-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center}
.panel-head h2{margin:0;font-size:17px}.panel-head small{color:#6e9097}
.tabs{display:flex;gap:7px}.tab{border:1px solid var(--line);background:#051b23;color:#93adb2;border-radius:999px;padding:8px 12px;font-size:10px;cursor:pointer}.tab.active{background:var(--cyan);color:#022027}
.form-body{padding:18px 20px}.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}.c3{grid-column:span 3}.c4{grid-column:span 4}.c6{grid-column:span 6}.c8{grid-column:span 8}.c12{grid-column:span 12}
.field label{display:block;font-size:9px;letter-spacing:.8px;text-transform:uppercase;color:#90aeb4;font-weight:900;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid rgba(84,225,234,.14);border-radius:10px;background:#051922;color:#dff3f5;outline:none}
.field textarea{resize:vertical;min-height:78px}.field small{display:block;margin-top:5px;color:#627e84;font-size:9px}
.field .locked{opacity:.55;cursor:not-allowed}
.upload{border:1px dashed rgba(84,225,234,.28);border-radius:14px;padding:16px;display:flex;gap:14px;align-items:center;background:rgba(255,255,255,.015)}
.upload-preview{width:110px;height:90px;border-radius:10px;background:#04151c;display:grid;place-items:center;overflow:hidden}.upload-preview img{max-width:100%;max-height:100%;object-fit:contain}
.upload input{display:none}.upload button{padding:9px 12px;border-radius:9px;border:1px solid var(--line);background:#082832;color:#b9e8eb;cursor:pointer}
.rulebox{border:1px solid rgba(213,173,102,.23);background:rgba(213,173,102,.055);border-radius:13px;padding:12px 14px;color:#bcae93;font-size:11px;line-height:1.5}.rulebox b{color:#f0cf91}
.rulebox.danger{border-color:rgba(255,127,123,.22);background:rgba(255,127,123,.05)}.rulebox.danger b{color:#ff9f9b}
.toggle-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.toggle{display:flex;gap:7px;align-items:center;font-size:11px;color:#9bb4b9}.toggle input{accent-color:var(--cyan)}
.footer-actions{display:flex;justify-content:space-between;gap:10px;padding:16px 20px;border-top:1px solid var(--line)}.btn{border:1px solid var(--line);border-radius:11px;padding:11px 15px;background:#071f29;color:#a8cbd0;font-weight:800;font-size:11px;cursor:pointer}.btn.primary{background:linear-gradient(90deg,var(--cyan2),var(--cyan));color:#00171c;border:0}.btn.warn{border-color:rgba(255,127,123,.25);color:#ffaaa6}
.preview-panel{padding-bottom:18px}.preview-tools{display:flex;gap:8px}.preview-wrap{padding:18px;display:grid;gap:14px}.canvas-shell{display:grid;place-items:center;background:#03131a;border:1px solid var(--line);border-radius:16px;padding:14px;overflow:auto;min-height:600px}.canvas-shell canvas{max-width:100%;height:auto;border-radius:10px;box-shadow:0 15px 50px rgba(0,0,0,.4)}
.quick-note{margin:0 20px 18px;padding:12px;border-left:3px solid var(--cyan);background:rgba(65,225,233,.04);font-size:10px;color:#7f9ca2;line-height:1.5}
.settings-view{display:none}.settings-view.active{display:block}
.settings-card{max-width:900px}.settings-table{width:100%;border-collapse:collapse}.settings-table th{font-size:9px;color:#84a3a9;text-align:left;padding:9px;border-bottom:1px solid var(--line)}.settings-table td{padding:8px;border-bottom:1px solid rgba(84,225,234,.08)}.settings-table input{width:100%;padding:9px;background:#051922;color:white;border:1px solid var(--line);border-radius:8px}
.notice{padding:10px 12px;border-radius:10px;background:rgba(77,224,165,.06);border:1px solid rgba(77,224,165,.16);color:#74d6ad;font-size:10px}
@media(max-width:1200px){.workspace{grid-template-columns:1fr}.preview-panel{order:2}.canvas-shell{min-height:400px}}
@media(max-width:850px){.app{display:block}.sidebar{position:relative;height:auto}.side-nav{grid-template-columns:repeat(3,1fr)}.workspace{display:block}.panel{margin-bottom:14px}.c3,.c4,.c6,.c8{grid-column:span 12}.content{padding:15px}.topbar{display:block}.top-actions{margin-top:10px}}