:root{
    --accent:#ff8c00;
    --deep:#02030a;
    --txt: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.70);
    --line: rgba(255,255,255,.10);
    --glass: rgba(255,255,255,.06);
    --shadow: 0 22px 70px rgba(0,0,0,.45);
    --r: 18px;
  }

  .exp-header{
    border: 1px solid var(--line);
    border-radius: calc(var(--r) + 6px);
    padding: 22px 18px;
    background: linear-gradient(135deg, rgba(255,140,0,.12), rgba(255,255,255,.04));
    box-shadow: var(--shadow);
  }
  .section-title{ color: var(--txt); margin:0 0 8px; font-weight:900; letter-spacing:.2px }
  .section-subtitle{ color: var(--muted); margin:0 }
  .highlight{ color: var(--accent) }

  .exp-shell{
    border: 1px solid var(--line);
    border-radius: calc(var(--r) + 10px);
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
  }
  .exp-shell::before{
    content:"";
    position:absolute; inset:-2px;
    background:
      radial-gradient(780px 260px at 10% 0%, rgba(255,140,0,.24), transparent 60%),
      radial-gradient(680px 240px at 90% 15%, rgba(255,255,255,.08), transparent 60%);
    pointer-events:none;
  }

  .summary-card{
    position:relative;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(0,0,0,.28);
    border-radius: calc(var(--r) + 6px);
    box-shadow: 0 18px 60px rgba(0,0,0,.35);
  }
  .summary-card p{ color: var(--muted); margin:0; line-height:1.55 }

  .toolbar{
    position:relative;
    display:flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items:center;
    justify-content: space-between;
  }
  .searchbox{
    flex: 1 1 320px;
    display:flex;
    gap: 10px;
    align-items:center;
    border:1px solid rgba(255,255,255,.14);
    background: rgba(0,0,0,.22);
    border-radius: 999px;
    padding: 10px 12px;
  }
  .searchbox input{
    width:100%;
    border:0; outline:0;
    background: transparent;
    color: var(--txt);
    font-size: .95rem;
  }
  .searchbox .bi{ color: var(--muted) }

  .tabs{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    justify-content:center;
  }
  .tab-btn{
    border-radius: 999px !important;
    border: 1px solid rgba(255,140,0,.40) !important;
    color: rgba(255,255,255,.86) !important;
    background: rgba(0,0,0,.18) !important;
    padding: 10px 14px !important;
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  }
  .tab-btn:hover{
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(255,140,0,.12);
    background: rgba(255,140,0,.10) !important;
  }
  .tab-btn.active{
    background: linear-gradient(135deg, rgba(255,140,0,.30), rgba(255,140,0,.12)) !important;
    border-color: rgba(255,140,0,.65) !important;
    box-shadow: 0 18px 45px rgba(255,140,0,.18);
  }

  .count-pill{
    border-radius: 999px;
    padding: 10px 12px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(0,0,0,.22);
    color: rgba(255,255,255,.75);
    font-size: .92rem;
    white-space: nowrap;
  }

  .exp-grid{ position:relative; }
  .exp-item{ transition: opacity .2s ease, transform .2s ease; }
  .exp-item.is-hidden{
    opacity:0;
    transform: scale(.98);
    pointer-events:none;
    position:absolute !important;
    left:-99999px !important;
    top:auto !important;
  }

  .exp-card{
    position:relative;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(0,0,0,.26);
    border-radius: calc(var(--r) + 6px);
    box-shadow: 0 18px 60px rgba(0,0,0,.35);
    overflow:hidden;
    height: 100%;
    transition: transform .18s ease, border-color .2s ease, box-shadow .2s ease;
  }
  .exp-card::before{
    content:"";
    position:absolute; inset:-2px;
    background: radial-gradient(650px 180px at 20% 0%, rgba(255,140,0,.22), transparent 60%);
    opacity:.9;
    pointer-events:none;
  }
  .exp-card:hover{
    transform: translateY(-4px);
    border-color: rgba(255,140,0,.38);
    box-shadow: 0 22px 80px rgba(0,0,0,.55);
  }

  .exp-top{
    position:relative;
    display:flex;
    align-items:flex-start;
    justify-content:space-between;
    gap:12px;
    padding: 16px 16px 10px;
  }
  .exp-role{
    margin:0;
    color: var(--txt);
    font-weight: 900;
    letter-spacing:.2px;
  }
  .exp-company{
    margin: 2px 0 0;
    color: rgba(255,255,255,.82);
    font-weight: 800;
  }
  .exp-meta{
    display:flex;
    gap: 8px;
    flex-wrap:wrap;
    margin-top: 8px;
  }
  .badge-soft{
    border-radius: 999px;
    padding: 7px 10px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(0,0,0,.18);
    color: rgba(255,255,255,.80);
    font-size: .86rem;
    display:inline-flex;
    align-items:center;
    gap: 8px;
  }
  .badge-accent{
    border-color: rgba(255,140,0,.35);
    background: rgba(255,140,0,.12);
  }

  .exp-body{ position:relative; padding: 0 16px 16px; }
  .exp-body ul{ margin: 10px 0 0; padding-left: 18px; color: rgba(255,255,255,.78); }
  .exp-body li{ margin: 7px 0; }

  .exp-actions{
    position:relative;
    display:flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items:center;
    justify-content: space-between;
    padding: 12px 16px 16px;
    border-top: 1px solid rgba(255,255,255,.08);
  }

  .mini-btn{
    border-radius: 999px;
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(0,0,0,.18);
    color: rgba(255,255,255,.86);
    display:inline-flex;
    align-items:center;
    gap: 8px;
    cursor:pointer;
    transition: transform .14s ease, border-color .2s ease;
    text-decoration:none;
  }
  .mini-btn:hover{
    transform: translateY(-1px);
    border-color: rgba(255,140,0,.35);
    color: rgba(255,255,255,.92);
  }

  .cert-card{
    position:relative;
    border: 1px solid rgba(255,255,255,.10);
    background: rgba(0,0,0,.24);
    border-radius: calc(var(--r) + 6px);
    box-shadow: 0 18px 60px rgba(0,0,0,.30);
    overflow:hidden;
  }
  .cert-card .list-group-item{
    background: transparent !important;
    color: rgba(255,255,255,.82);
    border-color: rgba(255,255,255,.08) !important;
  }
  .cert-card a{ color: rgba(255,255,255,.90); text-decoration:none; }
  .cert-card a:hover{ color: var(--accent); }

  .mini-toast{
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    z-index: 2000;
    padding: 10px 12px;
    border-radius: 999px;
    border:1px solid rgba(255,255,255,.14);
    background: rgba(0,0,0,.72);
    color: rgba(255,255,255,.92);
    box-shadow: 0 20px 70px rgba(0,0,0,.55);
    display:none;
    max-width: min(92vw, 620px);
    text-align:center;
  }
  .mini-toast.show{ display:block; animation: pop .18s ease; }
  @keyframes pop{ from{ transform: translateX(-50%) translateY(6px); opacity:.4 } to{ transform: translateX(-50%) translateY(0); opacity:1 } }

  @media (max-width: 576px){
    .tab-btn{ padding: 9px 12px !important; font-size: .92rem; }
  }