*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --navy:#0E2841;--teal:#207888;--teal-l:#2a96a8;--black:#0A0A0A;--ice:#F5F5F5;
  --white:#fff;--pass:#1a7f4b;--pass-bg:#d4f0e1;--fail:#9b1c1c;--fail-bg:#fde8e8;
  --row-alt:#f0f4f8;--border:#d1dce8;--header-h:60px;--stats-h:80px;
}
body{font-family:'Montserrat',sans-serif;background:var(--ice);color:var(--black);min-height:100vh;}

/* HEADER */
header{position:sticky;top:0;z-index:300;background:var(--navy);padding:0 1.5rem;
  display:flex;align-items:center;justify-content:space-between;height:var(--header-h);
  box-shadow:0 2px 14px rgba(0,0,0,.4);}
.logo-link{display:flex;align-items:center;gap:.8rem;text-decoration:none;cursor:pointer;transition:opacity .15s;}
.logo-link:hover{opacity:.8;}
.logo-img{height:32px;width:auto;filter:brightness(0) invert(1);}
.header-divider{width:1px;height:24px;background:rgba(245,245,245,.25);}
.app-name{color:var(--ice);font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;}
.header-right{color:rgba(245,245,245,.45);font-size:.68rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;}

main{max-width:1500px;margin:0 auto;padding:1rem 1.2rem 4rem;}

/* FORM CARD */
.form-card{background:var(--white);border-radius:10px;box-shadow:0 2px 12px rgba(14,40,65,.08);
  padding:.9rem 1.2rem;margin-bottom:1rem;display:flex;align-items:flex-end;gap:.75rem;flex-wrap:wrap;}
.form-group{flex:1;min-width:240px;}
label{display:block;font-size:.66rem;font-weight:700;color:var(--navy);
  margin-bottom:.3rem;text-transform:uppercase;letter-spacing:.07em;}
.input-with-btn{display:flex;}
input[type="text"]{flex:1;padding:.55rem .9rem;border:2px solid var(--border);border-right:none;
  border-radius:7px 0 0 7px;font-family:'Montserrat',sans-serif;font-size:.82rem;
  color:var(--black);background:var(--ice);transition:border-color .2s;outline:none;}
input[type="text"]:focus{border-color:var(--teal);background:var(--white);}
input[type="file"]{display:none;}
.btn-browse{padding:.55rem .8rem;background:var(--navy);color:var(--white);
  border:2px solid var(--navy);border-radius:0 7px 7px 0;cursor:pointer;
  display:flex;align-items:center;gap:.35rem;font-family:'Montserrat',sans-serif;
  font-size:.75rem;font-weight:600;letter-spacing:.04em;transition:background .2s;white-space:nowrap;}
.btn-browse:hover{background:#1a3a5c;}
.btn-browse svg{width:13px;height:13px;fill:currentColor;}
.btn-analyze{padding:.56rem 1.4rem;background:var(--teal);color:var(--white);border:none;
  border-radius:7px;font-family:'Montserrat',sans-serif;font-size:.82rem;font-weight:700;
  cursor:pointer;letter-spacing:.04em;transition:background .2s;white-space:nowrap;}
.btn-analyze:hover{background:var(--teal-l);}
.btn-analyze:disabled{background:var(--border);cursor:default;}

/* LOADING */
.loading-bar{display:none;width:100%;height:3px;background:var(--border);border-radius:2px;margin-top:.6rem;overflow:hidden;}
.loading-bar.active{display:block;}
.loading-bar-inner{height:100%;width:0;background:var(--teal);border-radius:2px;transition:width .2s;}
.loading-text{font-size:.75rem;color:#6b7f94;margin-top:.4rem;display:none;}
.loading-text.active{display:block;}

/* STATS */
.stats-sticky{position:sticky;top:var(--header-h);z-index:200;background:var(--ice);padding:.5rem 0;margin-bottom:.8rem;}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.75rem;}
.stat-card{background:var(--white);border-radius:9px;padding:.75rem 1rem;
  box-shadow:0 2px 8px rgba(14,40,65,.09);border-top:3px solid var(--teal);
  transition:transform .15s,box-shadow .15s;user-select:none;}
.stat-card.clickable{cursor:pointer;}
.stat-card.clickable:hover{transform:translateY(-2px);box-shadow:0 4px 14px rgba(14,40,65,.16);}
.stat-card.active-filter{outline:3px solid var(--teal);outline-offset:2px;}
.stat-card.pass-card{border-top-color:var(--pass);}
.stat-card.fail-card{border-top-color:#c0392b;}
.stat-card.navy-card{border-top-color:var(--navy);}
.stat-card.pass-card.active-filter{outline-color:var(--pass);}
.stat-card.fail-card.active-filter{outline-color:#c0392b;}
.stat-label{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#6b7f94;margin-bottom:.2rem;}
.stat-value{font-size:1.6rem;font-weight:700;color:var(--navy);line-height:1;}
.stat-card.pass-card .stat-value{color:var(--pass);}
.stat-card.fail-card .stat-value{color:#c0392b;}

/* TABLE */
.table-wrapper{background:var(--white);border-radius:11px;box-shadow:0 2px 14px rgba(14,40,65,.09);overflow:hidden;}
.table-header-bar{background:var(--navy);padding:.75rem 1.2rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap;}
.table-header-bar .table-right{margin-left:auto;}
.table-title{color:var(--ice);font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;}
.table-right{display:flex;align-items:center;gap:.6rem;}
.result-count{color:rgba(245,245,245,.6);font-size:.74rem;font-weight:500;}
.btn-dl{padding:.42rem 1rem;background:var(--teal);color:var(--white);border:none;border-radius:6px;
  font-family:'Montserrat',sans-serif;font-size:.74rem;font-weight:700;cursor:pointer;
  letter-spacing:.04em;display:flex;align-items:center;gap:.4rem;transition:background .2s;}
.btn-dl:hover{background:var(--teal-l);}
.btn-dl:disabled{background:var(--border);cursor:wait;}
.btn-dl svg{width:13px;height:13px;fill:currentColor;}
.btn-dl-pdf{background:#9b1c1c;}
.btn-dl-pdf:hover{background:#c0392b;}
.btn-filter-reset{padding:.42rem 1rem;background:rgba(255,255,255,.12);color:var(--ice);
  border:1px solid rgba(255,255,255,.25);border-radius:6px;font-family:'Montserrat',sans-serif;
  font-size:.74rem;font-weight:600;cursor:pointer;letter-spacing:.04em;transition:background .15s;display:none;}
.btn-filter-reset.visible{display:block;}
.btn-filter-reset:hover{background:rgba(255,255,255,.2);}

/* Date filter inline */
.date-filter-inline{display:flex;align-items:center;gap:.55rem;font-size:.72rem;color:rgba(245,245,245,.85);flex-wrap:wrap;}
.date-filter-label{font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:rgba(245,245,245,.55);font-size:.66rem;}
.date-filter-select{padding:.34rem .65rem;background:rgba(255,255,255,.12);color:var(--ice);
  border:1px solid rgba(255,255,255,.25);border-radius:5px;font-family:'Montserrat',sans-serif;
  font-size:.72rem;font-weight:600;cursor:pointer;outline:none;transition:background .15s;}
.date-filter-select:hover,.date-filter-select:focus{background:rgba(255,255,255,.2);}
.date-filter-select option{background:var(--navy);color:var(--ice);}
.date-filter-range{display:flex;align-items:center;gap:.35rem;}
.date-filter-range input[type="date"]{padding:.28rem .5rem;background:rgba(255,255,255,.12);
  color:var(--ice);border:1px solid rgba(255,255,255,.25);border-radius:5px;
  font-family:'Montserrat',sans-serif;font-size:.7rem;font-weight:600;outline:none;
  color-scheme:dark;transition:background .15s;}
.date-filter-range input[type="date"]:focus{background:rgba(255,255,255,.22);}
.date-filter-sep{color:rgba(245,245,245,.5);font-weight:600;font-size:.66rem;text-transform:uppercase;letter-spacing:.05em;}
.date-filter-info{color:rgba(245,245,245,.5);font-style:italic;font-size:.68rem;white-space:nowrap;}

.table-scroll{overflow-x:auto;max-height:calc(100vh - var(--header-h) - var(--stats-h) - 130px);overflow-y:auto;}
table{width:100%;border-collapse:collapse;font-size:.8rem;}
thead th{position:sticky;top:0;z-index:10;background:#162f4a;color:var(--ice);
  padding:.65rem .8rem;font-weight:700;font-size:.67rem;text-transform:uppercase;
  letter-spacing:.07em;white-space:nowrap;border-bottom:2px solid var(--teal);}
.th-inner{display:flex;align-items:center;gap:.3rem;}
.th-inner span{flex:1;}
.col-filter-btn{background:none;border:none;cursor:pointer;padding:2px 3px;
  color:rgba(245,245,245,.5);border-radius:3px;transition:color .15s,background .15s;
  line-height:1;display:flex;align-items:center;}
.col-filter-btn:hover{color:var(--ice);background:rgba(255,255,255,.15);}
.col-filter-btn.active{color:#5dd4e8;}
.col-filter-btn svg{width:11px;height:11px;fill:currentColor;}

tbody tr{transition:background .1s;}
tbody tr:nth-child(even){background:var(--row-alt);}
tbody tr:hover{background:#ddeaf6;}
tbody tr.hidden-row{display:none;}
tbody td{padding:.52rem .8rem;border-bottom:1px solid var(--border);white-space:nowrap;color:#1a2e42;}
.serial-col{font-weight:700;font-family:'Courier New',monospace;font-size:.77rem;color:var(--navy);}
.code-col{text-align:center;font-weight:600;}
.dt-col{font-family:'Courier New',monospace;font-size:.74rem;color:#4a6070;}
.badge{display:inline-block;padding:.18rem .6rem;border-radius:20px;font-size:.66rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;}
.badge-pass{background:var(--pass-bg);color:var(--pass);}
.badge-fail{background:var(--fail-bg);color:var(--fail);}
.fpy-1{color:var(--pass);font-weight:700;}
.fpy-0{color:var(--fail);font-weight:700;}
.fpy-rep{color:#7a5f00;font-weight:600;font-style:italic;font-size:.72rem;}
.no-results{text-align:center;padding:2.5rem;color:#6b7f94;font-size:.85rem;}

/* Column filter dropdown */
.col-dd-wrap{position:relative;display:inline-block;}
.col-dropdown{display:none;position:fixed;z-index:500;background:var(--white);border:1px solid var(--border);
  border-radius:8px;box-shadow:0 6px 24px rgba(0,0,0,.18);min-width:180px;max-width:260px;font-size:.78rem;}
.col-dropdown.open{display:block;}
.col-dd-head{padding:.6rem .8rem;border-bottom:1px solid var(--border);font-weight:700;font-size:.7rem;
  text-transform:uppercase;letter-spacing:.06em;color:var(--navy);display:flex;align-items:center;justify-content:space-between;}
.col-dd-head button{background:none;border:none;color:var(--teal);cursor:pointer;font-family:'Montserrat',sans-serif;font-size:.7rem;font-weight:600;}
.col-dd-list{max-height:200px;overflow-y:auto;padding:.3rem 0;}
.col-dd-item{display:flex;align-items:center;gap:.5rem;padding:.38rem .8rem;cursor:pointer;transition:background .1s;}
.col-dd-item:hover{background:var(--row-alt);}
.col-dd-item input[type="checkbox"]{accent-color:var(--teal);cursor:pointer;margin:0;}
.col-dd-item label{cursor:pointer;font-family:'Montserrat',sans-serif;color:#1a2e42;margin:0;
  text-transform:none;letter-spacing:0;font-size:.78rem;font-weight:400;}
.col-dd-footer{padding:.5rem .8rem;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:.5rem;}
.col-dd-footer button{padding:.32rem .8rem;border:none;border-radius:5px;font-family:'Montserrat',sans-serif;font-size:.72rem;font-weight:700;cursor:pointer;}
.btn-dd-ok{background:var(--teal);color:var(--white);}
.btn-dd-ok:hover{background:var(--teal-l);}
.btn-dd-cancel{background:var(--border);color:#4a6070;}

/* Empty state */
.empty{text-align:center;padding:3.5rem 2rem;color:#6b7f94;}
.empty svg{width:48px;height:48px;fill:var(--border);margin-bottom:.8rem;}
.empty p{font-size:.85rem;}

/* Folder modal */
.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(10,20,35,.55);z-index:1000;align-items:center;justify-content:center;}
.modal-backdrop.open{display:flex;}
.modal{background:var(--white);border-radius:13px;box-shadow:0 8px 40px rgba(0,0,0,.35);
  width:min(540px,95vw);max-height:78vh;display:flex;flex-direction:column;overflow:hidden;animation:modalIn .17s ease;}
@keyframes modalIn{from{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}
.modal-head{background:var(--navy);padding:.9rem 1.3rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-shrink:0;}
.modal-head-title{color:var(--ice);font-size:.88rem;font-weight:700;letter-spacing:.05em;}
.modal-close{background:none;border:none;color:rgba(245,245,245,.7);cursor:pointer;font-size:1.3rem;line-height:1;transition:color .15s;}
.modal-close:hover{color:var(--ice);}
.modal-breadcrumb{padding:.6rem 1.3rem;background:#f0f4f8;border-bottom:1px solid var(--border);
  font-size:.73rem;font-weight:600;color:var(--navy);font-family:'Courier New',monospace;
  word-break:break-all;min-height:36px;display:flex;align-items:center;flex-shrink:0;}
.modal-body{flex:1;overflow-y:auto;padding:.4rem 0;}
.dir-item{display:flex;align-items:center;gap:.65rem;padding:.55rem 1.3rem;cursor:pointer;
  font-size:.82rem;color:var(--navy);transition:background .12s;user-select:none;}
.dir-item:hover{background:#e8f0f8;}
.dir-item svg{width:16px;height:16px;flex-shrink:0;}
.dir-up svg{fill:#6b7f94;} .dir-folder svg{fill:var(--teal);} .dir-drive svg{fill:var(--navy);}
.modal-footer{padding:.8rem 1.3rem;background:#f8fafc;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:flex-end;gap:.6rem;flex-shrink:0;}
.btn-cancel{padding:.55rem 1.1rem;background:none;border:2px solid var(--border);border-radius:6px;
  font-family:'Montserrat',sans-serif;font-size:.78rem;font-weight:600;color:#6b7f94;cursor:pointer;transition:border-color .15s,color .15s;}
.btn-cancel:hover{border-color:var(--navy);color:var(--navy);}
.btn-select{padding:.55rem 1.3rem;background:var(--teal);border:none;border-radius:6px;
  font-family:'Montserrat',sans-serif;font-size:.78rem;font-weight:700;color:var(--white);cursor:pointer;transition:background .15s;}
.btn-select:hover{background:var(--teal-l);}
.btn-select:disabled{background:var(--border);cursor:default;}
.modal-loading{text-align:center;padding:2rem;color:#6b7f94;font-size:.82rem;}

/* CHARTS SECTION */
.charts-section{margin-top:1.2rem;background:var(--white);border-radius:11px;
  box-shadow:0 2px 14px rgba(14,40,65,.09);overflow:hidden;}
.charts-header-bar{background:var(--navy);padding:.75rem 1.2rem;display:flex;align-items:center;
  justify-content:space-between;gap:1rem;flex-wrap:wrap;}
.charts-title{color:var(--ice);font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;}
.charts-toggle{padding:.4rem 1rem;background:rgba(255,255,255,.12);color:var(--ice);
  border:1px solid rgba(255,255,255,.25);border-radius:6px;font-family:'Montserrat',sans-serif;
  font-size:.74rem;font-weight:600;cursor:pointer;letter-spacing:.04em;transition:background .15s;
  display:flex;align-items:center;gap:.4rem;}
.charts-toggle:hover{background:rgba(255,255,255,.2);}
.charts-toggle svg{width:13px;height:13px;fill:currentColor;transition:transform .2s;}
.charts-toggle.collapsed svg{transform:rotate(-90deg);}
.charts-body{padding:1.2rem;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem;justify-items:stretch;}
.charts-body.collapsed{display:none;}
.chart-card{background:var(--ice);border-radius:9px;padding:1rem 1.1rem;border:1px solid var(--border);
  display:flex;flex-direction:column;min-width:0;}
.chart-card.full-width{grid-column:1/-1;}
.chart-card-title{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;
  color:var(--navy);margin-bottom:.7rem;display:flex;align-items:center;gap:.4rem;}
.chart-card-title::before{content:'';display:inline-block;width:4px;height:14px;background:var(--teal);border-radius:2px;}
.chart-canvas-wrap{position:relative;height:280px;}
.chart-canvas-wrap.tall{height:340px;}
.chart-card-sub{font-size:.68rem;color:#6b7f94;margin-top:.5rem;font-style:italic;text-align:center;}

footer{text-align:center;padding:1.5rem;color:#8a9fb5;font-size:.68rem;letter-spacing:.05em;}

/* ── RESPONSIVE: Tablet ≤ 900px ─────────────────────────────────────────────── */
@media (max-width:900px){
  .charts-body{grid-template-columns:minmax(0,1fr);}
  .stats-grid{grid-template-columns:repeat(3,1fr);}
  .table-header-bar{flex-wrap:wrap;gap:.5rem;}
  .table-header-bar .table-right{margin-left:0;width:100%;justify-content:flex-start;flex-wrap:wrap;gap:.5rem;}
  .date-filter-inline{width:100%;flex-wrap:wrap;}
}

/* ── RESPONSIVE: Mobile ≤ 600px ─────────────────────────────────────────────── */
@media (max-width:600px){
  :root{--header-h:52px;--stats-h:auto;}

  /* Header */
  header{padding:0 .8rem;height:var(--header-h);}
  .logo-img{height:24px;}
  .app-name{font-size:.72rem;}
  .header-divider{height:18px;}
  .header-right{display:none;}

  /* Main content */
  main{padding:.6rem .5rem 3rem;}

  /* Form card */
  .form-card{padding:.7rem .8rem;flex-direction:column;align-items:stretch;gap:.6rem;}
  .form-group{min-width:0;width:100%;}
  .btn-analyze{width:100%;padding:.65rem 1rem;}
  .input-with-btn input[type="text"]{font-size:.78rem;padding:.5rem .7rem;}
  .btn-browse{padding:.5rem .65rem;font-size:.72rem;}

  /* Stats */
  .stats-sticky{padding:.35rem 0;margin-bottom:.5rem;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:.45rem;}
  .stat-card{padding:.55rem .7rem;border-radius:7px;}
  .stat-value{font-size:1.3rem;}
  .stat-label{font-size:.58rem;}
  /* Make the Total card span full width */
  .stat-card:first-child{grid-column:1/-1;}

  /* Table header bar */
  .table-header-bar{padding:.55rem .75rem;gap:.4rem;}
  .table-title{font-size:.74rem;}
  .table-header-bar .table-right{margin-left:0;width:100%;flex-wrap:wrap;gap:.4rem;}
  .result-count{font-size:.68rem;order:-1;}
  .btn-dl{padding:.38rem .65rem;font-size:.68rem;}
  .btn-dl svg{width:11px;height:11px;}
  .btn-filter-reset{font-size:.68rem;padding:.38rem .65rem;}

  /* Date filter */
  .date-filter-inline{width:100%;flex-wrap:wrap;gap:.35rem;}
  .date-filter-select{font-size:.68rem;padding:.3rem .5rem;}
  .date-filter-range{flex-wrap:wrap;gap:.25rem;}
  .date-filter-range input[type="date"]{font-size:.66rem;padding:.25rem .4rem;}
  .date-filter-info{font-size:.62rem;}

  /* Table */
  .table-scroll{max-height:55vh;}
  table{font-size:.72rem;}
  thead th{padding:.45rem .5rem;font-size:.6rem;}
  tbody td{padding:.4rem .5rem;font-size:.72rem;}
  .serial-col{font-size:.7rem;}
  .dt-col{font-size:.66rem;}
  .badge{font-size:.6rem;padding:.14rem .45rem;}

  /* Column filter dropdown */
  .col-dropdown{min-width:160px;max-width:220px;}
  .col-dd-item{padding:.32rem .6rem;font-size:.72rem;}
  .col-dd-item label{font-size:.72rem;}

  /* Charts */
  .charts-body{padding:.8rem;gap:.8rem;}
  .chart-canvas-wrap{height:220px;}
  .chart-canvas-wrap.tall{height:280px;}
  .chart-card{padding:.7rem .8rem;}
  .chart-card-title{font-size:.66rem;}
  .chart-card-sub{font-size:.62rem;}

  /* Footer */
  footer{padding:1rem;font-size:.62rem;}

  /* Modal */
  .modal{width:min(460px,98vw);max-height:85vh;}
  .modal-head{padding:.7rem 1rem;}
  .modal-head-title{font-size:.8rem;}
  .modal-breadcrumb{padding:.45rem 1rem;font-size:.68rem;}
  .dir-item{padding:.45rem 1rem;font-size:.78rem;}
  .modal-footer{padding:.6rem 1rem;flex-wrap:wrap;gap:.5rem;}
}

/* ── RESPONSIVE: Very small phones ≤ 380px ─────────────────────────────────── */
@media (max-width:380px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:.35rem;}
  .stat-value{font-size:1.1rem;}
  .btn-dl span{display:none;}
  .btn-dl{padding:.38rem .55rem;}
  .table-title{font-size:.68rem;}
  .chart-canvas-wrap{height:190px;}
  .chart-canvas-wrap.tall{height:240px;}
}