:root{
    --bg:#eceae3; --bg-2:#e3e1d8; --surface:#faf9f5;
    --ink:#191b1a; --ink-soft:#565a57; --line:#d7d5ca; --line-2:#e7e4da;
    --navy:#13403a; --navy-deep:#0c2e29; --accent:#bf7d2a; --accent-soft:#efe2c9;
    --ok:#2f8f5b;
    --serif:'Bricolage Grotesque','Hanken Grotesk',Georgia,serif;
    --sans:'Hanken Grotesk',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
    --shadow:0 14px 40px -22px rgba(12,46,41,.5);
  }
  *{box-sizing:border-box}
  html,body{height:100%}
  body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:15px;-webkit-font-smoothing:antialiased}
  h1,h2,h3,h4{font-family:var(--serif);margin:0;letter-spacing:-.02em}
  button{font-family:var(--sans);cursor:pointer}
  input,textarea,select{font-family:var(--sans)}
  ::-webkit-scrollbar{width:10px;height:10px}
  ::-webkit-scrollbar-thumb{background:#d7cfc1;border-radius:8px;border:2px solid var(--bg)}

  /* ---------- LOGIN ---------- */
  .login{position:fixed;inset:0;display:grid;place-items:center;background:linear-gradient(160deg,var(--navy),var(--navy-deep));z-index:200;padding:24px}
  .login-card{background:var(--surface);border-radius:22px;padding:42px 38px;width:100%;max-width:380px;box-shadow:0 30px 80px -30px rgba(0,0,0,.6);text-align:center}
  .login-card .logo{width:54px;height:54px;border-radius:14px;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:1.5rem;margin:0 auto 20px}
  .login-card h1{font-size:1.5rem;margin-bottom:6px}
  .login-card p{color:var(--ink-soft);font-size:.92rem;margin:0 0 24px}
  .login-card input{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:1rem;text-align:center;margin-bottom:14px;outline:none}
  .login-card input:focus{border-color:var(--navy)}
  .login-card button{width:100%;padding:13px;border:0;border-radius:12px;background:var(--navy);color:#fff;font-weight:700;font-size:1rem;transition:background .2s}
  .login-card button:hover{background:var(--navy-deep)}
  .login-err{color:var(--accent);font-size:.86rem;min-height:1.2em;margin-bottom:10px;font-weight:600}
  .login-hint{margin-top:18px;font-size:.78rem;color:var(--ink-soft);opacity:.8}

  /* ---------- APP SHELL ---------- */
  .app{display:none;flex-direction:column;height:100%}
  .app.on{display:flex}
  .topbar{height:60px;flex:0 0 auto;background:var(--navy-deep);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 18px;gap:12px;z-index:30}
  .topbar .tb-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:700;font-size:1.05rem}
  .topbar .tb-brand .dot{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;font-size:.95rem}
  .tb-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .tb-btn{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.16);padding:8px 14px;border-radius:9px;font-size:.86rem;font-weight:600;display:inline-flex;align-items:center;gap:7px;transition:background .15s}
  .tb-btn:hover{background:rgba(255,255,255,.2)}
  .tb-btn.primary{background:var(--accent);border-color:var(--accent);color:#231b0d}
  .tb-btn.primary:hover{background:#a86c20}
  .tb-menu-wrap{position:relative}
  .tb-menu{position:absolute;right:0;top:46px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);min-width:230px;padding:6px;display:none;z-index:40}
  .tb-menu.open{display:block}
  .tb-menu button{display:flex;width:100%;align-items:center;gap:10px;background:none;border:0;padding:11px 12px;border-radius:8px;font-size:.9rem;color:var(--ink);text-align:left}
  .tb-menu button:hover{background:var(--bg-2)}
  .tb-menu .sep{height:1px;background:var(--line-2);margin:6px 4px}
  .tb-menu small{display:block;padding:4px 12px;color:var(--ink-soft);font-size:.74rem}

  .main{flex:1;display:grid;grid-template-columns:300px 440px 1fr;min-height:0}
  .col{min-height:0;overflow:auto}
  .col-sections{border-right:1px solid var(--line);background:var(--bg-2);padding:16px}
  .col-editor{border-right:1px solid var(--line);background:var(--surface);padding:22px 22px 80px}
  .col-preview{background:#c6c4b9;display:flex;flex-direction:column;overflow:hidden}

  /* ---------- SECTIONS LIST ---------- */
  .panel-label{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin:6px 4px 10px}
  .sect-item{background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:10px 10px 10px 8px;margin-bottom:9px;display:flex;align-items:center;gap:6px;transition:border-color .15s,box-shadow .15s}
  .sect-item:hover{box-shadow:0 6px 18px -12px rgba(31,43,64,.5)}
  .sect-item.sel{border-color:var(--navy);box-shadow:0 0 0 2px rgba(44,59,84,.12)}
  .sect-item.hidden-s{opacity:.5}
  .sect-item.drag-over{border-color:var(--accent);border-style:dashed}
  .sect-grip{cursor:grab;color:#b9b1a2;padding:2px 4px;flex:0 0 auto;font-size:1rem;line-height:1}
  .sect-grip:active{cursor:grabbing}
  .sect-main{flex:1;min-width:0;text-align:left;background:none;border:0;padding:2px 0}
  .sect-name{font-weight:600;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink)}
  .sect-type{font-size:.74rem;color:var(--ink-soft)}
  .sect-ctrls{display:flex;align-items:center;gap:1px;flex:0 0 auto}
  .ic-btn{background:none;border:0;border-radius:7px;width:26px;height:26px;display:grid;place-items:center;color:var(--ink-soft);transition:background .15s,color .15s}
  .ic-btn:hover{background:var(--bg-2);color:var(--ink)}
  .ic-btn.danger:hover{background:var(--accent-soft);color:var(--accent)}
  .ic-btn svg{width:15px;height:15px}
  .ic-btn[disabled]{opacity:.3;pointer-events:none}
  .add-sect{width:100%;margin-top:6px;border:1.5px dashed var(--line);background:var(--surface);color:var(--navy);border-radius:12px;padding:12px;font-weight:600;font-size:.9rem;display:flex;align-items:center;justify-content:center;gap:8px;transition:border-color .15s,background .15s}
  .add-sect:hover{border-color:var(--navy);background:var(--bg)}
  .add-menu{margin-top:8px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:6px;display:none}
  .add-menu.open{display:block}
  .add-menu button{display:flex;width:100%;gap:10px;align-items:center;background:none;border:0;padding:10px 11px;border-radius:8px;font-size:.88rem;color:var(--ink);text-align:left}
  .add-menu button:hover{background:var(--bg-2)}
  .add-menu .am-ic{width:26px;height:26px;border-radius:7px;background:var(--bg-2);display:grid;place-items:center;flex:0 0 auto;color:var(--navy)}

  /* ---------- EDITOR ---------- */
  .ed-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}
  .ed-badge{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:4px 9px;border-radius:6px}
  .ed-title{font-size:1.3rem;margin:2px 0 18px}
  .ed-empty{color:var(--ink-soft);text-align:center;padding:60px 20px}
  .field{margin-bottom:16px}
  .field > label{display:block;font-size:.82rem;font-weight:600;color:var(--ink);margin-bottom:6px}
  .field .help{font-size:.76rem;color:var(--ink-soft);margin-top:5px}
  .field input[type=text],.field textarea{width:100%;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:.92rem;color:var(--ink);background:var(--surface);outline:none;transition:border-color .15s}
  .field input[type=text]:focus,.field textarea:focus{border-color:var(--navy)}
  .field textarea{resize:vertical;min-height:72px;line-height:1.5}
  .toggle{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-size:.88rem;font-weight:500}
  .toggle input{position:absolute;opacity:0;width:0;height:0}
  .toggle .track{width:40px;height:23px;border-radius:999px;background:#cfc8ba;position:relative;transition:background .2s;flex:0 0 auto}
  .toggle .track::after{content:"";position:absolute;top:2px;left:2px;width:19px;height:19px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
  .toggle input:checked + .track{background:var(--navy)}
  .toggle input:checked + .track::after{transform:translateX(17px)}

  /* lists */
  .list{border:1px solid var(--line-2);border-radius:12px;padding:10px;background:var(--bg)}
  .list-row{display:flex;gap:6px;align-items:flex-start;margin-bottom:8px}
  .list-row input[type=text]{flex:1}
  .list-row .ic-btn{background:var(--surface);border:1px solid var(--line)}
  .list-add{width:100%;border:1px dashed var(--line);background:var(--surface);color:var(--navy);border-radius:9px;padding:9px;font-weight:600;font-size:.84rem;margin-top:2px}
  .list-add:hover{border-color:var(--navy)}
  .obj-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin-bottom:10px;overflow:hidden}
  .obj-head{display:flex;align-items:center;gap:6px;padding:9px 8px 9px 12px;background:var(--bg-2);border-bottom:1px solid var(--line-2)}
  .obj-head .obj-title{flex:1;font-weight:600;font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .obj-body{padding:14px 12px}
  .obj-body.collapsed{display:none}
  .img-field{display:flex;gap:8px;align-items:center}
  .img-field input{flex:1}
  .img-thumb{width:44px;height:44px;border-radius:8px;object-fit:cover;border:1px solid var(--line);background:var(--bg-2);flex:0 0 auto}
  .img-up{border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:8px 11px;font-size:.8rem;font-weight:600;color:var(--navy);white-space:nowrap}
  .img-up:hover{background:var(--bg-2)}
  .group-label{font-size:.82rem;font-weight:600;margin:0 0 6px}

  /* ---------- PREVIEW ---------- */
  .pv-bar{flex:0 0 auto;height:44px;background:var(--navy);display:flex;align-items:center;justify-content:space-between;padding:0 12px;color:#fff;gap:10px}
  .pv-bar .pv-title{font-size:.82rem;opacity:.85;display:flex;align-items:center;gap:8px}
  .pv-bar .pv-dot{width:9px;height:9px;border-radius:50%;background:#7ed3a0}
  .pv-tools{display:flex;gap:6px}
  .pv-tools button{background:rgba(255,255,255,.12);border:0;color:#fff;border-radius:7px;padding:6px 10px;font-size:.78rem;font-weight:600}
  .pv-tools button.act{background:var(--accent)}
  .pv-tools button:hover{background:rgba(255,255,255,.22)}
  .pv-stage{flex:1;min-height:0;display:flex;justify-content:center;align-items:flex-start;padding:16px;overflow:auto}
  .pv-frame{background:#fff;border:0;width:100%;height:100%;border-radius:10px;box-shadow:var(--shadow);transition:max-width .25s}
  .pv-frame.mobile{max-width:390px}

  /* ---------- TOAST ---------- */
  .toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--navy-deep);color:#fff;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.9rem;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:300}
  .toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
  .toast.err{background:var(--accent)}

  @media (max-width:1100px){
    .main{grid-template-columns:260px 1fr;grid-template-rows:auto}
    .col-preview{display:none}
    .col-preview.show-mobile{display:flex;grid-column:1/-1;height:70vh}
  }
  @media (max-width:680px){
    .main{grid-template-columns:1fr}
    .col-sections{max-height:40vh}
  }