:root{
    --bg:#EDF1F4;
    --surface:#FFFFFF;
    --surface-alt:#F5F7F9;
    --border:#CBD4DB;
    --border-soft:#DEE4E9;
    --text-primary:#16232E;
    --text-secondary:#55636E;
    --text-muted:#8B96A0;
    --accent:#2B5D8C;
    --accent-dark:#1B3E5C;
    --accent-bg:#E3ECF4;
    --amber:#B36A1E;
    --amber-bg:#FBEBDA;
    --amber-line:#E8B978;
    --green:#2F7A4F;
    --green-bg:#E3F2E8;
    --green-line:#9BCBAE;
    --red:#B0392C;
    --red-bg:#FBE7E4;
    --red-line:#E2A79E;
    --blue:#2B5D8C;
    --blue-bg:#E3ECF4;
    --blue-line:#A9C4DC;
    --text-placeholder:#C2CAD1;
    --radius:8px;
    --font-display:'Space Grotesk',sans-serif;
    --font-body:'Inter',sans-serif;
    --font-mono:'IBM Plex Mono',monospace;
  }
  *{box-sizing:border-box;}
  body{margin:0;font-family:var(--font-body);background:var(--bg);color:var(--text-primary);}
  #app{display:none;min-height:100vh;}
  body.authenticated #app{display:flex;}
  .auth-screen{display:none;min-height:100vh;align-items:center;justify-content:center;padding:24px;background:var(--bg);}
  body.auth-ready:not(.authenticated) .auth-screen{display:flex;}
  body.authenticated .auth-screen{display:none;}
  .auth-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg);color:var(--text-secondary);font-size:14px;}
  body.auth-ready .auth-loading{display:none;}
  .auth-card{width:min(100%,400px);background:var(--surface);border:1px solid var(--border-soft);border-radius:14px;padding:30px;box-shadow:0 12px 32px rgba(22,35,46,.08);}
  .auth-brand{font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;color:var(--accent);font-weight:600;}
  .auth-card h1{font-family:var(--font-display);font-size:24px;font-weight:600;margin:0 0 18px;}
  .auth-title{text-align:center;}
  .auth-subtitle{font-size:13px;color:var(--text-secondary);margin:-10px 0 24px;text-align:center;}
  .auth-remember{display:flex !important;align-items:center;gap:6px;margin:12px 0 2px !important;font-size:12px !important;font-weight:400 !important;color:var(--text-secondary) !important;cursor:pointer;}
  .auth-remember{justify-content:flex-start !important;text-align:left !important;}
  .auth-remember input{width:13px !important;min-width:13px !important;flex:0 0 13px;margin:0;accent-color:var(--accent);cursor:pointer;}
  .auth-remember span{white-space:nowrap;}
  .auth-card label{display:block;font-size:12px;font-weight:600;color:var(--text-secondary);margin:14px 0 6px;}
  .auth-card input{width:100%;padding:10px 11px;border:1px solid var(--border);border-radius:7px;background:var(--surface);font:inherit;font-size:13px;color:var(--text-primary);outline:none;}
  .auth-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);}
  .auth-submit{width:100%;margin-top:8px;justify-content:center;}
  .auth-message{min-height:18px;margin:10px 0 2px;font-size:12px;color:var(--text-muted);}
  .auth-message.error{color:var(--red);}
  .auth-message.success{color:var(--green);}
  #auth-user{position:fixed;left:0;bottom:0;width:224px;margin:0;padding:12px 20px 14px;border-top:1px solid rgba(255,255,255,0.12);background:var(--accent-dark);display:flex;flex-direction:column;gap:9px;z-index:30;}
  .auth-user-info{min-width:0;}
  .auth-user-label-row{display:flex;align-items:center;gap:7px;min-width:0;}
  .auth-user-label{font-family:var(--font-mono);font-size:10px;color:#8FA9C2;text-transform:uppercase;letter-spacing:.5px;}
  .auth-user-role{display:inline-flex;align-items:center;padding:2px 7px;border:1px solid rgba(255,255,255,.24);border-radius:5px;background:rgba(255,255,255,.06);color:#EAF1F8;font-family:var(--font-mono);font-size:9px;font-weight:600;line-height:1.3;letter-spacing:.35px;}
  .auth-user-email{margin-top:3px;font-size:11.5px;color:#EAF1F8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .auth-logout-btn{align-self:flex-start;border:1px solid rgba(255,255,255,.22);background:transparent;color:#C7D9E9;border-radius:6px;padding:6px 9px;font:inherit;font-size:11px;cursor:pointer;}
  .auth-logout-btn:hover{background:rgba(255,255,255,.07);color:#fff;}
  input::placeholder, textarea::placeholder{color:var(--text-placeholder);opacity:1;}

  .sidebar{width:224px;flex-shrink:0;background:var(--accent-dark);color:#EAF1F8;display:flex;flex-direction:column;padding:20px 0 82px;}
  .brand{padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,0.12);margin-bottom:12px;}
  .brand-mark{font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;color:#9FC0DE;text-transform:uppercase;}
  .brand-title{font-family:var(--font-display);font-weight:600;font-size:17px;margin-top:4px;line-height:1.25;white-space:nowrap;}
  .nav-item{display:flex;align-items:center;gap:10px;padding:11px 20px;font-size:14px;font-weight:500;color:#C7D9E9;cursor:pointer;border-left:3px solid transparent;transition:background .12s;}
  .nav-item:hover{background:rgba(255,255,255,0.06);}
  .nav-item.active{background:rgba(255,255,255,0.10);color:#FFFFFF;border-left-color:#7FB3DE;}
  .nav-icon{width:16px;height:16px;flex-shrink:0;}
  .mobile-menu-btn{display:none;background:none;border:none;color:#fff;cursor:pointer;padding:4px;}
  .mobile-menu-btn svg{width:24px;height:24px;}
  .sidebar-footer{margin-top:auto;padding:16px 20px 0;border-top:1px solid rgba(255,255,255,0.12);font-size:11px;color:#8FA9C2;font-family:var(--font-mono);display:flex;flex-direction:column;gap:7px;}

  .main{flex:1;min-width:0;padding:28px 36px 60px;}
  .page-header{margin-bottom:22px;}
  .page-title{font-family:var(--font-display);font-weight:600;font-size:22px;margin:0 0 4px;}
  .page-sub{color:var(--text-secondary);font-size:13.5px;margin:0;}

  .card{background:var(--surface);border:1px solid var(--border-soft);border-radius:12px;padding:18px 20px;}
  .grid{display:grid;gap:14px;}
  .grid-4{grid-template-columns:repeat(4,1fr);}

  .metric{background:var(--surface);border:1px solid var(--border-soft);border-radius:12px;padding:16px 18px;}
  .metric-label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-weight:500;}
  .metric-value{font-family:var(--font-display);font-size:28px;font-weight:600;margin-top:6px;}
  .metric-note{font-size:12px;color:var(--text-muted);margin-top:3px;font-family:var(--font-mono);}

  .section-title{font-family:var(--font-display);font-weight:600;font-size:15px;margin:26px 0 10px;display:flex;align-items:center;justify-content:space-between;}


  select.has-value{color:var(--text-primary);}

  @media(max-width:760px){
    #app{flex-direction:column;}
    .sidebar{width:100%;flex-direction:column;padding:0;}
    .brand{display:flex;align-items:center;justify-content:space-between;padding:16px;margin-bottom:0;background:var(--accent-dark);border-bottom:1px solid rgba(255,255,255,0.12);}
    .brand > div{display:flex;flex-direction:column;}
    .brand-title{font-size:16px;margin-top:2px;}
    .mobile-menu-btn{display:block;}
    #nav{display:none;flex-direction:column;background:var(--accent-dark);padding-bottom:12px;}
    #nav.show-mobile{display:flex;}
    .nav-item{border-left:3px solid transparent;border-bottom:none;white-space:normal;padding:12px 20px;}
    .nav-item.active{border-left-color:#7FB3DE;}
    .sidebar-footer{display:none;}
    #auth-user{
    display:none;
    }

    #nav.show-mobile + #auth-user{
    display:flex;
    position:relative;
    left:auto;
    bottom:auto;
    width:auto;
    margin:0;
    padding:12px 20px 14px;
    border-top:1px solid rgba(255,255,255,0.12);
    background:var(--accent-dark);
    flex-direction:column;
    gap:9px;
    z-index:30;
    }
    .main{padding:18px 16px 40px;}
    .grid-4{grid-template-columns:1fr 1fr;}
    .form-grid{grid-template-columns:1fr;}
  }
  /* Mobile landscape: keep phone-sized screens in mobile navigation mode */
  @media (orientation: landscape) and (max-height: 600px){
    #app{flex-direction:column;}
    .sidebar{width:100%;flex-direction:column;padding:0;}
    .brand{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;margin-bottom:0;background:var(--accent-dark);border-bottom:1px solid rgba(255,255,255,0.12);}
    .brand > div{display:flex;flex-direction:column;}
    .brand-title{font-size:16px;margin-top:2px;}
    .mobile-menu-btn{display:block;}
    #nav{display:none;flex-direction:column;background:var(--accent-dark);padding-bottom:12px;}
    #nav.show-mobile{display:flex;}
    .nav-item{border-left:3px solid transparent;border-bottom:none;white-space:normal;padding:10px 20px;}
    .nav-item.active{border-left-color:#7FB3DE;}
    .sidebar-footer{display:none;}
    #auth-user{display:none;}
    #nav.show-mobile + #auth-user{
      display:flex;
      position:relative;
      left:auto;
      bottom:auto;
      width:auto;
      margin:0;
      padding:12px 20px 14px;
      border-top:1px solid rgba(255,255,255,0.12);
      background:var(--accent-dark);
      flex-direction:column;
      gap:9px;
      z-index:30;
    }
    .main{padding:14px 16px 28px;width:100%;}
    .grid-4{grid-template-columns:1fr 1fr;}
    .form-grid{grid-template-columns:1fr;}
  }