:root{
    --navy:#14213d;
    --navy-mid:#233d75;
    --navy-soft:#e9eef8;
    --sun:#f4a228;
    --sun-dark:#c97905;
    --green:#2a9d5c;
    --red:#c64040;
    --surface:#f4f6fb;
    --white:#fff;
    --text:#1a2744;
    --muted:#7e8aa6;
    --line:rgba(20,33,61,.13);
    --shadow:0 14px 34px rgba(20,33,61,.12);
  }
  *{box-sizing:border-box}
  html,body{height:100%;margin:0}
  body{font-family:Arial,Helvetica,sans-serif;background:var(--surface);color:var(--text)}
  button,input{font:inherit}
  button{cursor:pointer}
  .hidden{display:none!important}

  .portal{display:flex;height:100vh;min-height:0;overflow:hidden}
  .side{
    width:240px;background:linear-gradient(180deg,#111d35,#1e3564);
    color:#fff;padding:18px 14px;display:flex;flex-direction:column;gap:18px;
    box-shadow:6px 0 20px rgba(20,33,61,.12);z-index:3;overflow-x:hidden;overflow-y:auto;
    transition:width .18s ease,padding .18s ease
  }
  .brand{display:flex;align-items:center;gap:11px;padding:4px 6px 10px}
  .sun{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    background:rgba(244,162,40,.18);border:1px solid rgba(244,162,40,.4)
  }
  .sun svg{width:24px;height:24px}
  .brand h1{font-size:16px;margin:0;letter-spacing:-.02em}
  .brand p{font-size:10px;margin:3px 0 0;color:rgba(255,255,255,.5);letter-spacing:.12em;text-transform:uppercase}
  .nav-title{font-size:10px;color:rgba(255,255,255,.43);letter-spacing:.14em;text-transform:uppercase;padding:0 8px}
  .nav{display:flex;flex-direction:column;gap:5px;min-height:0;overflow-y:auto;overflow-x:hidden}
  .nav button{
    border:1px solid transparent;background:transparent;color:rgba(255,255,255,.72);
    border-radius:9px;padding:11px 10px;text-align:left;font-size:13px;font-weight:700;
    display:flex;align-items:center;gap:10px;transition:.15s
  }
  .nav button:hover{background:rgba(255,255,255,.08);color:#fff}
  .nav button.active{background:rgba(244,162,40,.18);border-color:rgba(244,162,40,.36);color:#fff}
  .nav svg{width:17px;height:17px;flex:none}
  .side-bottom{margin-top:auto;flex:0 0 auto}
  .user-box{padding:11px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1)}
  .user-name{font-size:13px;font-weight:700}
  .user-role{font-size:10px;color:#f6c36d;text-transform:uppercase;letter-spacing:.12em;margin-top:4px}
  .signout{
    width:100%;margin-top:10px;padding:9px;border-radius:8px;border:1px solid rgba(255,255,255,.2);
    background:transparent;color:#fff;font-size:12px;font-weight:700
  }
  .signout:hover{background:rgba(255,255,255,.09)}
  .portal.side-collapsed .side{width:74px;padding:18px 9px}
  .portal.side-collapsed .brand h1,.portal.side-collapsed .brand p,
  .portal.side-collapsed .nav-title,.portal.side-collapsed .nav span,
  .portal.side-collapsed .user-name,.portal.side-collapsed .user-role{display:none}
  .portal.side-collapsed .brand{justify-content:center;padding-left:0;padding-right:0}
  .portal.side-collapsed .nav button{justify-content:center;padding:11px 7px}
  .portal.side-collapsed .user-box{padding:7px}
  .portal.side-collapsed .signout{font-size:0;padding:9px 4px}
  .portal.side-collapsed .signout:after{content:'Exit';font-size:11px}

  .main{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;overflow:hidden}
  .top{
    height:64px;background:#fff;border-bottom:1px solid var(--line);
    display:flex;align-items:center;padding:0 20px;gap:12px;box-shadow:0 3px 12px rgba(20,33,61,.05);flex:0 0 auto
  }
  .top h2{font-size:16px;margin:0}
  .top p{font-size:11px;color:var(--muted);margin:3px 0 0}
  .shell-btn{
    width:36px;height:36px;border:1px solid var(--line);border-radius:9px;background:#fff;
    color:var(--navy-mid);display:inline-flex;align-items:center;justify-content:center;
    font-size:17px;font-weight:800;flex:0 0 auto
  }
  .shell-btn:hover{border-color:var(--navy-mid);background:var(--navy-soft)}
  .status{margin-left:auto;font-size:11px;font-weight:700;color:var(--green);display:flex;gap:7px;align-items:center}
  .dot{width:8px;height:8px;border-radius:50%;background:currentColor}
  .frame-stack{position:relative;flex:1;min-height:0;overflow:hidden;background:var(--surface)}
  .hub-frame{display:none;width:100%;height:100%;border:0;background:#fff}
  .hub-frame.active{display:block}
  .loading{
    position:absolute;inset:0;display:grid;place-items:center;background:var(--surface);z-index:2
  }
  .loading-card{text-align:center;color:var(--muted);font-size:13px}
  .spinner{width:34px;height:34px;border-radius:50%;border:3px solid #dfe5f0;border-top-color:var(--navy-mid);animation:spin .8s linear infinite;margin:0 auto 12px}
  .full-exit{
    display:none;position:fixed;top:12px;right:12px;z-index:40;border:0;border-radius:10px;
    background:rgba(20,33,61,.92);color:#fff;padding:10px 14px;font-size:12px;font-weight:800;
    box-shadow:0 10px 30px rgba(0,0,0,.25)
  }
  .portal.portal-focus .side,.portal.portal-focus .top{display:none}
  .portal.portal-focus .main{height:100vh}
  .portal.portal-focus .frame-stack{position:fixed;inset:0;z-index:30;background:#fff}
  .portal.portal-focus .full-exit{display:block}
  @keyframes spin{to{transform:rotate(360deg)}}

  .login{
    position:fixed;inset:0;z-index:10;display:grid;place-items:center;padding:18px;
    background:radial-gradient(circle at top,#2a477e 0,#14213d 48%,#0d172c 100%)
  }
  .login-card{
    width:min(390px,100%);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
    border-radius:18px;padding:28px;box-shadow:0 24px 70px rgba(0,0,0,.28);backdrop-filter:blur(8px)
  }
  .login-brand{display:flex;justify-content:center;align-items:center;gap:11px;margin-bottom:20px;color:#fff}
  .login-brand .sun{width:44px;height:44px}
  .login-brand h2{margin:0;font-size:20px}
  .login-brand p{margin:3px 0 0;font-size:10px;color:rgba(255,255,255,.46);letter-spacing:.12em;text-transform:uppercase}
  .login-title{text-align:center;color:rgba(255,255,255,.57);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px}
  label{display:block;color:rgba(255,255,255,.62);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin:12px 0 6px}
  .login input{
    width:100%;padding:11px 12px;border-radius:9px;border:1px solid rgba(255,255,255,.18);
    color:#fff;background:rgba(255,255,255,.09);outline:none
  }
  .login input:focus{border-color:rgba(244,162,40,.75);background:rgba(255,255,255,.13)}
  .login-btn{width:100%;margin-top:18px;padding:12px;border:0;border-radius:9px;background:var(--sun);color:#fff;font-weight:700}
  .login-btn:hover{background:var(--sun-dark)}
  .login-btn:disabled{opacity:.55;cursor:wait}
  .error{display:none;margin-top:12px;padding:9px 10px;border-radius:8px;background:rgba(198,64,64,.2);color:#ffd9d9;font-size:12px}
  .error.show{display:block}
  .login-note{text-align:center;color:rgba(255,255,255,.35);font-size:10px;margin-top:16px;line-height:1.6}
  @media(max-width:760px){
    .portal.side-collapsed .side{width:74px;padding:14px 9px}
    .portal:not(.side-collapsed) .side{width:220px;padding:14px 9px}
  }

  /* ---- Admin: User Access management ---- */
  .access-view{position:absolute;inset:0;overflow:auto;background:var(--surface);padding:24px;display:none}
  .access-view.active{display:block}
  .access-wrap{max-width:1080px;margin:0 auto}
  .access-head h3{margin:0;font-size:19px}
  .access-sub{color:var(--muted);font-size:12px;margin:5px 0 18px;line-height:1.6}
  .access-bar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
  .btn{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 14px;font-size:13px;font-weight:700;color:var(--navy-mid)}
  .btn:hover{border-color:var(--navy-mid);background:var(--navy-soft)}
  .btn.primary{background:var(--sun);border-color:var(--sun);color:#fff}
  .btn.primary:hover{background:var(--sun-dark);border-color:var(--sun-dark)}
  .btn.danger{color:var(--red);border-color:rgba(198,64,64,.4)}
  .btn.danger:hover{background:rgba(198,64,64,.1)}
  .ucard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:14px;box-shadow:var(--shadow)}
  .ucard.inactive{opacity:.62}
  .ucard-top{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}
  .ufield{display:flex;flex-direction:column;gap:5px}
  .ufield label{margin:0;color:var(--muted)}
  .ufield input,.ufield select{padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);min-width:120px}
  .ufield input:focus,.ufield select:focus{outline:none;border-color:var(--navy-mid)}
  .ucheck{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--text);padding-bottom:8px}
  .uhubs{margin-top:14px;border-top:1px dashed var(--line);padding-top:13px}
  .grp-title{font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
  .chk-row{display:flex;flex-wrap:wrap;gap:8px}
  .chk{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:12px;font-weight:700;cursor:pointer;user-select:none;color:var(--muted)}
  .chk:hover{border-color:var(--navy-mid)}
  .chk input{margin:0}
  .chk.on{background:rgba(244,162,40,.14);border-color:rgba(244,162,40,.5);color:var(--sun-dark)}
  .crm-perms{margin-top:13px}
  .crm-perms summary{cursor:pointer;font-size:11px;font-weight:700;color:var(--navy-mid);letter-spacing:.04em}
  .crm-perms .chk-row{margin-top:10px}
  .ucard-actions{margin-top:15px;display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line);padding-top:13px}
  .access-toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:11px 20px;border-radius:10px;font-size:13px;font-weight:700;z-index:60;box-shadow:0 12px 30px rgba(0,0,0,.3);opacity:0;transition:opacity .2s;pointer-events:none}
  .access-toast.show{opacity:1}
  .access-toast.err{background:var(--red)}

  .adv-hint{color:var(--muted);font-size:11px;margin:8px 0 0;line-height:1.6}