/* ===========================================================
   VP-SCA · Vertex Precision Supplier Audit System
   CIS: Black (#000) + White + Vertex Red (#E60012)
   Mobile-first responsive design
   =========================================================== */
:root{
  --vp-black:#0a0a0a;
  --vp-black-2:#1a1a1a;
  --vp-black-3:#262626;
  --vp-red:#E60012;
  --vp-red-dark:#b80010;
  --vp-red-soft:#fde7e9;
  --vp-white:#ffffff;
  --vp-gray-50:#fafafa;
  --vp-gray-100:#f4f4f5;
  --vp-gray-200:#e4e4e7;
  --vp-gray-300:#d4d4d8;
  --vp-gray-400:#a1a1aa;
  --vp-gray-500:#71717a;
  --vp-gray-600:#52525b;
  --vp-gray-700:#3f3f46;
  --vp-gray-800:#27272a;
  --pass:#16a34a;
  --pass-bg:#dcfce7;
  --fail:#dc2626;
  --fail-bg:#fee2e2;
  --warn:#f59e0b;
  --warn-bg:#fef3c7;
  --info-bg:#dbeafe;
  --info:#1d4ed8;
  --sidebar-w:240px;
  --topbar-h:54px;
  --radius:8px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow:0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:0 16px 48px rgba(0,0,0,.18);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{
  margin:0;padding:0;background:var(--vp-gray-100);color:var(--vp-black);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overscroll-behavior:none;
}
body.no-scroll{overflow:hidden}
a{color:var(--vp-red);text-decoration:none}
a:hover{text-decoration:underline}
::selection{background:var(--vp-red);color:#fff}
img{max-width:100%;height:auto;display:block}

/* ====================================================
   Layout · Sidebar + Main
   ==================================================== */
.app{display:flex;min-height:100vh;min-height:100dvh;position:relative}

.sidebar{
  width:var(--sidebar-w);background:var(--vp-black);color:#fff;flex-shrink:0;
  display:flex;flex-direction:column;
  border-right:3px solid var(--vp-red);
  position:sticky;top:0;height:100vh;height:100dvh;z-index:30;
  transition:transform .25s ease;
}
.sidebar .brand{
  padding:14px 18px;border-bottom:1px solid #222;
  display:flex;align-items:center;justify-content:center;background:#000;
  min-height:80px;
}
.sidebar .brand img{width:100%;max-width:200px;display:block;height:auto;object-fit:contain}
.sidebar .brand-sub{
  font-size:11px;color:#aaa;letter-spacing:1px;text-transform:uppercase;
  padding:10px 18px 14px;border-bottom:1px solid #222;text-align:center;
}
.sidebar .brand-sub b{display:block;font-size:13px;color:#fff;letter-spacing:2px;margin-bottom:2px;font-weight:700}
.sidebar nav{padding:8px 0;flex:1;overflow-y:auto}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;color:#d4d4d8;font-size:14px;
  border-left:3px solid transparent;
  transition:all .15s;text-decoration:none;
}
.sidebar nav a:hover{background:#161616;color:#fff;text-decoration:none}
.sidebar nav a.active{background:#161616;border-left-color:var(--vp-red);color:#fff;font-weight:600}
.sidebar nav a .nav-icon{color:var(--vp-red);font-size:16px;font-weight:700;width:18px;text-align:center;flex-shrink:0}
.sidebar nav a .nav-label{flex:1}

.sidebar .user-info{
  margin-top:auto;padding:16px 18px;border-top:1px solid #222;
  background:#000;display:grid;grid-template-columns:36px 1fr auto;gap:10px;align-items:center;
}
.sidebar .user-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--vp-red);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;
}
.sidebar .user-info .user-meta{min-width:0;overflow:hidden}
.sidebar .user-info b{display:block;font-size:13px;color:#fff;margin-bottom:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .user-info .role{font-size:10px;color:#a1a1aa;letter-spacing:.3px;text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .logout{
  display:inline-block;padding:5px 10px;
  border:1px solid #444;border-radius:4px;color:#ddd;font-size:11px;cursor:pointer;
  letter-spacing:.3px;background:transparent;transition:all .12s;
}
.sidebar .logout:hover{background:var(--vp-red);border-color:var(--vp-red);color:#fff}

.main{
  flex:1;padding:24px 28px;background:var(--vp-gray-100);min-width:0;
  width:100%;
}
.page-title{
  font-size:22px;font-weight:700;margin:0 0 4px;color:var(--vp-black);
  letter-spacing:.3px;display:flex;align-items:center;gap:10px;
}
.page-title::before{
  content:"";display:inline-block;width:4px;height:20px;background:var(--vp-red);
  border-radius:1px;flex-shrink:0;
}
.page-sub{color:var(--vp-gray-500);font-size:13px;margin-bottom:20px}

/* Mobile nav (hidden on desktop) */
.mobile-topbar,.mobile-menu-btn,.sidebar-backdrop{display:none}

/* ====================================================
   Cards & Grids
   ==================================================== */
.card{
  background:#fff;border:1px solid var(--vp-gray-200);border-radius:var(--radius);
  padding:18px;margin-bottom:18px;box-shadow:var(--shadow-sm);
}
.card h3{
  margin:0 0 14px;font-size:15px;color:var(--vp-black);font-weight:700;
  padding-bottom:10px;border-bottom:1px solid var(--vp-gray-200);
  display:flex;align-items:center;gap:8px;
}
.card h3::before{
  content:"";width:3px;height:14px;background:var(--vp-red);display:inline-block;border-radius:1px;flex-shrink:0;
}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* KPI */
.kpi{
  background:#fff;border:1px solid var(--vp-gray-200);border-radius:var(--radius);padding:16px;
  display:flex;flex-direction:column;gap:4px;
  border-top:3px solid var(--vp-black);position:relative;overflow:hidden;min-width:0;
}
.kpi .label{font-size:11px;color:var(--vp-gray-500);text-transform:uppercase;letter-spacing:.5px;font-weight:600;line-height:1.3}
.kpi .value{font-size:28px;font-weight:800;color:var(--vp-black);line-height:1.1;word-break:break-word}
.kpi .delta{font-size:12px;color:var(--vp-gray-500);margin-top:2px}
.kpi.red{border-top-color:var(--vp-red)} .kpi.red .value{color:var(--vp-red)}
.kpi.pass{border-top-color:var(--pass)} .kpi.pass .value{color:var(--pass)}
.kpi.fail{border-top-color:var(--fail)} .kpi.fail .value{color:var(--fail)}
.kpi.warn{border-top-color:var(--warn)} .kpi.warn .value{color:var(--warn)}

/* ====================================================
   Forms
   ==================================================== */
label{display:block;font-size:12px;color:var(--vp-gray-600);margin-bottom:5px;font-weight:600;letter-spacing:.2px}
input[type=text],input[type=number],input[type=date],input[type=password],
input[type=email],input[type=tel],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--vp-gray-300);border-radius:6px;
  font-size:14px;font-family:inherit;background:#fff;color:var(--vp-black);
  transition:border-color .15s,box-shadow .15s;
  -webkit-appearance:none;appearance:none;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--vp-red);box-shadow:0 0 0 3px rgba(230,0,18,.12)}
input:disabled,select:disabled,textarea:disabled{background:var(--vp-gray-100);color:var(--vp-gray-500);cursor:not-allowed}
textarea{resize:vertical;min-height:60px}
.form-row{margin-bottom:12px}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 16px;border-radius:6px;
  border:1px solid var(--vp-gray-300);background:#fff;color:var(--vp-black);
  font-size:13px;cursor:pointer;font-family:inherit;font-weight:600;
  transition:all .15s;text-decoration:none;min-height:36px;
  user-select:none;
}
.btn:hover{background:var(--vp-gray-100);text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--vp-red);color:#fff;border-color:var(--vp-red)}
.btn.primary:hover{background:var(--vp-red-dark);border-color:var(--vp-red-dark)}
.btn.dark{background:var(--vp-black);color:#fff;border-color:var(--vp-black)}
.btn.dark:hover{background:var(--vp-black-3)}
.btn.success{background:var(--pass);color:#fff;border-color:var(--pass)}
.btn.success:hover{filter:brightness(.92)}
.btn.danger{background:var(--fail);color:#fff;border-color:var(--fail)}
.btn.warn{background:var(--warn);color:#fff;border-color:var(--warn)}
.btn.sm{padding:5px 11px;font-size:12px;min-height:30px}
.btn.lg{padding:12px 22px;font-size:15px;min-height:46px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-group{display:inline-flex;gap:6px;flex-wrap:wrap}

/* Tables */
table{width:100%;border-collapse:collapse;background:#fff;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--vp-gray-200);vertical-align:top}
th{background:var(--vp-black);color:#fff;font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap}
th:first-child{border-top-left-radius:6px} th:last-child{border-top-right-radius:6px}
tbody tr:hover{background:var(--vp-gray-50)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--vp-gray-200);border-radius:var(--radius)}

/* Badges */
.badge{display:inline-block;padding:2px 9px;border-radius:10px;font-size:11px;font-weight:700;letter-spacing:.3px;white-space:nowrap}
.badge.pass{background:var(--pass-bg);color:#166534}
.badge.fail{background:var(--fail-bg);color:#991b1b}
.badge.draft{background:var(--vp-gray-200);color:var(--vp-gray-700)}
.badge.submitted{background:var(--info-bg);color:var(--info)}
.badge.reviewed{background:#e9d5ff;color:#6b21a8}
.badge.approved{background:var(--pass-bg);color:#166534}
.badge.rejected{background:var(--fail-bg);color:#991b1b}
.badge.grade-A{background:#14532d;color:#fff}
.badge.grade-B{background:#1e40af;color:#fff}
.badge.grade-C{background:#92400e;color:#fff}
.badge.grade-D{background:var(--vp-red);color:#fff}

/* Score selector */
.score-radio{display:inline-flex;gap:4px;flex-wrap:wrap}
.score-radio input{display:none}
.score-radio label{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:1.5px solid var(--vp-gray-300);border-radius:6px;
  cursor:pointer;font-weight:700;background:#fff;margin:0;color:var(--vp-gray-700);font-size:14px;
  transition:all .12s;flex-shrink:0;
}
.score-radio label:hover{border-color:var(--vp-red);color:var(--vp-red)}
.score-radio input:checked + label{background:var(--vp-black);color:#fff;border-color:var(--vp-black)}
.score-radio input:checked + label[data-s="5"]{background:#15803d;border-color:#15803d}
.score-radio input:checked + label[data-s="4"]{background:#2563eb;border-color:#2563eb}
.score-radio input:checked + label[data-s="3"]{background:#ca8a04;border-color:#ca8a04}
.score-radio input:checked + label[data-s="2"]{background:#ea580c;border-color:#ea580c}
.score-radio input:checked + label[data-s="1"]{background:var(--vp-red);border-color:var(--vp-red)}

/* ====================================================
   Login page (responsive, two-tone card)
   ==================================================== */
.login-body{
  margin:0;background:#000;
  background-image:
    radial-gradient(circle at 20% 25%, rgba(230,0,18,.22), transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(230,0,18,.14), transparent 50%);
}
.login-wrap{
  min-height:100vh;min-height:100dvh;
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px;position:relative;
}
.login-wrap::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,transparent,transparent 14px,rgba(255,255,255,.012) 14px,rgba(255,255,255,.012) 28px);
  pointer-events:none;
}
.login-card{
  background:#fff;border-radius:14px;overflow:hidden;
  width:100%;max-width:440px;
  box-shadow:var(--shadow-lg);
  position:relative;z-index:1;
  border-top:4px solid var(--vp-red);
  display:flex;flex-direction:column;
}
.login-header{
  background:#000;
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px;
  border-bottom:3px solid var(--vp-red);
}
.login-logo{
  width:auto;height:80px;max-width:100%;display:block;object-fit:contain;
}
.login-body-inner{padding:28px 28px 8px}
.login-title{
  font-size:18px;color:var(--vp-black);margin:0 0 4px;text-align:center;
  font-weight:700;letter-spacing:.4px;
}
.login-subtitle{
  color:var(--vp-gray-500);font-size:11px;margin:0 0 22px;text-align:center;
  letter-spacing:1.5px;text-transform:uppercase;font-weight:500;
}
.login-submit{
  width:100%;margin-top:6px;font-weight:700;letter-spacing:1px;
}
.login-submit-spinner{
  display:inline-block;width:14px;height:14px;border-radius:50%;
  border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  animation:spin .7s linear infinite;margin-left:4px;
}
@keyframes spin{to{transform:rotate(360deg)}}

[hidden]{display:none !important}
.alert{padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:14px;display:none;font-weight:500}
.alert:empty{display:none !important}
.alert.error{background:var(--fail-bg);color:#991b1b;display:block;border-left:3px solid var(--fail)}
.alert.success{background:var(--pass-bg);color:#166534;display:block;border-left:3px solid var(--pass)}

.hint{
  background:var(--vp-gray-50);border:1px dashed var(--vp-gray-300);
  border-radius:8px;margin-top:18px;font-size:12px;color:var(--vp-gray-700);
  overflow:hidden;
}
.hint summary{
  padding:11px 14px;cursor:pointer;list-style:none;font-size:12px;color:var(--vp-gray-700);
  display:flex;align-items:center;gap:6px;user-select:none;
}
.hint summary::-webkit-details-marker{display:none}
.hint summary::after{content:"›";margin-left:auto;font-size:18px;line-height:1;transition:transform .15s}
.hint[open] summary::after{transform:rotate(90deg)}
.hint-list{padding:4px 14px 12px;display:flex;flex-direction:column;gap:6px}
.hint-row{
  display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:4px;cursor:pointer;
  background:#fff;border:1px solid var(--vp-gray-200);transition:all .12s;
}
.hint-row:hover{background:#fef2f2;border-color:var(--vp-red);transform:translateX(2px)}
.hint-role{
  font-size:10px;font-weight:700;background:var(--vp-black);color:#fff;
  padding:2px 7px;border-radius:9px;flex-shrink:0;letter-spacing:.5px;
}
.hint code{background:transparent;color:var(--vp-red);font-size:12px;font-weight:600;flex:1}
.hint-note{font-size:10px;color:var(--vp-gray-500);white-space:nowrap}

.login-foot{
  padding:14px 28px;text-align:center;font-size:11px;color:var(--vp-gray-400);
  border-top:1px solid var(--vp-gray-200);letter-spacing:.5px;
}

/* ====================================================
   Misc utilities
   ==================================================== */
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.flex-between{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.muted{color:var(--vp-gray-500)}
.right{text-align:right}
.center{text-align:center}
.divider{border-top:1px solid var(--vp-gray-200);margin:14px 0}
.chip{
  display:inline-block;padding:2px 9px;background:var(--vp-gray-100);
  color:var(--vp-gray-700);border-radius:11px;font-size:11px;margin:2px 3px 2px 0;
  border:1px solid var(--vp-gray-200);font-weight:600;
}
.chip.red{background:var(--vp-red-soft);color:var(--vp-red);border-color:#f7c5ca}

/* Process picker */
.process-pick{display:flex;flex-wrap:wrap;gap:6px}
.process-pick label{
  display:inline-flex;align-items:center;gap:5px;background:#fff;
  border:1px solid var(--vp-gray-300);border-radius:14px;padding:6px 12px;
  cursor:pointer;font-size:12px;margin:0;color:var(--vp-gray-700);font-weight:500;
  transition:all .12s;min-height:32px;
}
.process-pick label:hover{border-color:var(--vp-red);color:var(--vp-red)}
.process-pick input{margin:0;accent-color:var(--vp-red)}
.process-pick input:checked + span{font-weight:700;color:var(--vp-red)}
.process-pick label:has(input:checked){background:#fef2f2;border-color:var(--vp-red)}
.process-group{margin-bottom:10px}
.process-group-title{
  font-size:11px;color:var(--vp-gray-500);margin-bottom:5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.5px;
}

/* Category blocks */
.category-block{
  background:#fff;border:1px solid var(--vp-gray-200);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;
}
.category-head{
  padding:12px 16px;background:var(--vp-black);color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;
  border-bottom:3px solid var(--vp-red);
}
.category-head h4{margin:0;font-size:14px;color:#fff;font-weight:700;letter-spacing:.3px}
.category-head .subtotal{font-weight:700;font-size:12px;color:#fff;background:var(--vp-red);padding:3px 10px;border-radius:11px;white-space:nowrap}

.item-row{
  display:grid;grid-template-columns:60px minmax(0,1fr) 220px minmax(0,1fr);gap:12px;
  align-items:flex-start;padding:12px 16px;border-bottom:1px solid var(--vp-gray-200);
}
.item-row:last-child{border-bottom:0}
.item-row:hover{background:var(--vp-gray-50)}
.item-row .item-code{font-weight:700;color:var(--vp-red);font-size:13px}
.item-row .item-q{font-size:13px;line-height:1.55;color:var(--vp-black)}
.item-row textarea{font-size:12px;min-height:40px}
.method-toggle{display:flex;gap:4px;margin-top:10px;flex-wrap:wrap;align-items:center}
.method-toggle .mlbl{font-size:10px;color:var(--vp-gray-500);width:100%;font-weight:700;text-transform:uppercase;letter-spacing:.3px}
.method-toggle input{display:none}
.method-toggle label{border:1.5px solid var(--vp-gray-300);border-radius:8px;padding:4px 9px;font-size:11px;cursor:pointer;font-weight:700;color:var(--vp-gray-600);transition:all .12s}
.method-toggle label:hover{border-color:var(--vp-red);color:var(--vp-red)}
.method-toggle input:checked + label{background:var(--vp-black);color:#fff;border-color:var(--vp-black)}

/* Excel-page (per-process) navigation */
.sheet-nav{padding:12px 14px}
.sheet-nav-top{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.sheet-nav-title{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;text-align:center;flex:1;justify-content:center}
.sheet-nav-label{font-size:11px;color:var(--vp-gray-500);font-weight:700;text-transform:uppercase;letter-spacing:.4px}
.sheet-nav-title b{font-size:16px;color:var(--vp-red);font-weight:800}
.sheet-nav-idx{font-size:12px;color:var(--vp-gray-600);font-weight:700;background:var(--vp-gray-100);padding:2px 10px;border-radius:10px}
.process-jump{display:flex;gap:6px;flex-wrap:wrap}
.proc-chip{border:1.5px solid var(--vp-gray-300);background:#fff;border-radius:20px;padding:5px 12px;font-size:12px;font-weight:600;cursor:pointer;color:var(--vp-gray-700);transition:all .12s;display:inline-flex;align-items:center;gap:6px}
.proc-chip b{color:var(--vp-red)}
.proc-chip:hover{border-color:var(--vp-red);color:var(--vp-red)}
.proc-chip.active{background:var(--vp-black);color:#fff;border-color:var(--vp-black)}
.proc-chip.active b{color:#fff}

.progress{height:10px;background:var(--vp-gray-200);border-radius:5px;overflow:hidden;width:100%}
.progress > div{height:100%;background:linear-gradient(90deg,var(--vp-red),#ff4d5d);transition:width .3s}

.searchbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:flex-end}
.searchbar > *{flex:0 0 auto}
.searchbar .field{display:flex;flex-direction:column;gap:3px;min-width:120px}
.searchbar input,.searchbar select{min-width:120px}

/* Chart container */
.chart-box{position:relative;height:280px}
.chart-box.tall{height:340px}

/* ====================================================
   Responsive Breakpoints
   ==================================================== */

/* Tablet (≤1024px): narrower sidebar, 2-col grids */
@media (max-width:1024px){
  :root{--sidebar-w:200px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .main{padding:20px 22px}
  .sidebar nav a{font-size:13px;padding:11px 14px}
  .sidebar .brand{padding:12px 14px;min-height:70px}
  .sidebar .brand img{max-width:170px}
}

/* Mobile (≤768px): hide sidebar, show topbar + hamburger */
@media (max-width:768px){
  .app{flex-direction:column}
  .main{padding:14px 14px;padding-top:calc(var(--topbar-h) + 14px)}

  /* Top bar */
  .mobile-topbar{
    display:flex;align-items:center;justify-content:center;
    background:#000;color:#fff;
    position:fixed;top:0;left:0;right:0;
    height:var(--topbar-h);z-index:20;
    border-bottom:2px solid var(--vp-red);
    padding:0 14px;
  }
  .mobile-topbar-logo{height:38px;width:auto;display:block;object-fit:contain;max-width:160px}

  /* Hamburger button */
  .mobile-menu-btn{
    display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
    position:fixed;top:8px;left:8px;z-index:50;
    width:38px;height:38px;border-radius:6px;background:rgba(0,0,0,.6);border:1px solid #333;
    cursor:pointer;padding:0;
  }
  .mobile-menu-btn span{
    display:block;width:18px;height:2px;background:#fff;border-radius:1px;
    transition:transform .25s, opacity .25s;
  }
  .mobile-menu-btn.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .mobile-menu-btn.active span:nth-child(2){opacity:0}
  .mobile-menu-btn.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

  /* Sidebar becomes drawer */
  .sidebar{
    position:fixed;top:0;left:0;height:100vh;height:100dvh;
    transform:translateX(-100%);
    width:80vw;max-width:280px;
    box-shadow:6px 0 24px rgba(0,0,0,.4);
    z-index:40;
  }
  .sidebar.open{transform:translateX(0)}

  .sidebar-backdrop{
    display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:35;
    opacity:0;pointer-events:none;transition:opacity .25s;
  }
  .sidebar-backdrop.visible{opacity:1;pointer-events:auto}

  /* Grids collapse */
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr !important}
  .form-grid > *{grid-column:auto !important}  /* override inline span */

  /* Cards smaller padding */
  .card{padding:14px;margin-bottom:14px}
  .card h3{font-size:14px;margin-bottom:10px}

  /* KPI smaller */
  .kpi{padding:14px}
  .kpi .value{font-size:24px}

  /* Page title shrink */
  .page-title{font-size:18px}
  .page-sub{font-size:12px;margin-bottom:14px}

  /* Item row stacks on mobile */
  .item-row{grid-template-columns:1fr;gap:8px;padding:14px}
  .item-row .item-code{font-size:14px}
  .item-row textarea{min-height:60px}

  /* Tables: allow horizontal scroll, smaller text */
  th,td{padding:8px 10px;font-size:12px}

  /* Search bar fields full-width on mobile */
  .searchbar{gap:10px}
  .searchbar .field{flex:1 1 100%;min-width:100%}
  .searchbar input,.searchbar select{min-width:0;width:100%}

  /* Login adjustments */
  .login-wrap{padding:0;align-items:stretch}
  .login-card{
    border-radius:0;border-top:none;max-width:none;min-height:100vh;min-height:100dvh;
    border-left:3px solid var(--vp-red);box-shadow:none;
  }
  .login-header{padding:34px 20px 28px}
  .login-logo{height:64px}
  .login-body-inner{padding:24px 22px 12px;flex:1;display:flex;flex-direction:column}
  .login-title{font-size:17px}

  /* Larger touch targets on mobile */
  input,select,textarea{font-size:16px;padding:12px 14px}  /* 16px prevents iOS zoom */
  .btn{min-height:44px;padding:11px 18px;font-size:14px}
  .btn.sm{min-height:34px}
  .btn.lg{min-height:50px;font-size:16px}

  /* Process picker bigger */
  .process-pick label{padding:8px 14px;font-size:13px;min-height:36px}

  /* Score buttons bigger on mobile */
  .score-radio label{width:44px;height:44px;font-size:16px}

  /* Hide non-essential columns on tiny tables via class */
  .hide-mobile{display:none}

  /* Process tabs scroll on mobile */
  .process-tabs{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:2px}
  .process-tabs .tab{padding:8px 14px;font-size:12px;flex-shrink:0}

  /* Preview table smaller on mobile */
  .preview-table th,.preview-table td{padding:6px 8px;font-size:11px}
  .preview-info{grid-template-columns:repeat(2,1fr)}

  /* Batch toolbar stacks */
  .batch-toolbar{flex-direction:column;align-items:stretch}
  .batch-toolbar .selected-count{margin-left:0;text-align:center}

  /* Sticky table headers */
  thead{position:sticky;top:0;z-index:5}
}

/* Tiny phones (≤380px) */
@media (max-width:380px){
  .main{padding:12px 10px;padding-top:calc(var(--topbar-h) + 12px)}
  .login-body-inner{padding:20px 16px 10px}
  .login-header{padding:28px 16px 22px}
  .login-logo{height:54px}
  .login-title{font-size:15px}
  .login-subtitle{font-size:10px;letter-spacing:1px;margin-bottom:18px}
  .card{padding:12px}
  .kpi .value{font-size:22px}
  .score-radio label{width:40px;height:40px}
}

/* ====================================================
   Process Tabs
   ==================================================== */
.process-tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:2px solid var(--vp-gray-200);padding-bottom:0}
.process-tabs .tab{
  padding:10px 18px;cursor:pointer;font-size:13px;font-weight:600;
  color:var(--vp-gray-600);border:1px solid transparent;
  border-bottom:3px solid transparent;border-radius:6px 6px 0 0;
  background:transparent;transition:all .15s;white-space:nowrap;
  font-family:inherit;
}
.process-tabs .tab:hover{background:var(--vp-gray-50);color:var(--vp-black)}
.process-tabs .tab.active{
  color:var(--vp-red);border-color:var(--vp-gray-200);
  border-bottom-color:var(--vp-red);background:#fff;
}
.process-tabs-info{font-size:11px;color:var(--vp-gray-500);margin-top:6px}

/* ====================================================
   Excel Preview
   ==================================================== */
.preview-header{
  background:var(--vp-black);color:#fff;padding:16px 20px;
  border-radius:var(--radius) var(--radius) 0 0;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
}
.preview-header h2{margin:0;font-size:16px;font-weight:700}
.preview-header .actions{display:flex;gap:8px;flex-wrap:wrap}

.preview-info{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1px;
  background:var(--vp-gray-200);border:1px solid var(--vp-gray-200);
}
.preview-info .cell{
  background:#fff;padding:8px 12px;font-size:12px;
  display:flex;flex-direction:column;gap:2px;
}
.preview-info .cell .lbl{font-size:10px;color:var(--vp-gray-500);font-weight:600;text-transform:uppercase}
.preview-info .cell .val{font-weight:600;color:var(--vp-black)}

.preview-section{margin-top:14px}
.preview-section-title{
  font-size:13px;font-weight:700;color:var(--vp-black);
  padding:10px 14px;background:var(--vp-gray-100);
  border:1px solid var(--vp-gray-200);border-bottom:0;
  border-radius:var(--radius) var(--radius) 0 0;
}

.preview-table{
  width:100%;border-collapse:collapse;font-size:12px;
  border:1px solid var(--vp-gray-200);
}
.preview-table th{
  background:var(--vp-black);color:#fff;padding:8px 10px;
  font-weight:600;font-size:11px;text-transform:uppercase;
  letter-spacing:.3px;white-space:nowrap;border:1px solid #333;
}
.preview-table td{
  padding:8px 10px;border:1px solid var(--vp-gray-200);
  vertical-align:top;
}
.preview-table tr:hover{background:var(--vp-gray-50)}

.preview-table td.clickable{
  cursor:pointer;position:relative;transition:all .12s;
}
.preview-table td.clickable:hover{
  background:#fef2f2;outline:2px solid var(--vp-red);outline-offset:-2px;
}
.preview-table td.clickable::after{
  content:"✎";position:absolute;top:4px;right:4px;font-size:10px;
  color:var(--vp-red);opacity:0;transition:opacity .12s;
}
.preview-table td.clickable:hover::after{opacity:1}

.preview-table .score-cell{text-align:center;font-weight:700;min-width:40px}
.preview-table .score-5{color:#15803d}
.preview-table .score-4{color:#2563eb}
.preview-table .score-3{color:#ca8a04}
.preview-table .score-2{color:#ea580c}
.preview-table .score-1{color:var(--vp-red)}
.preview-table .evidence-cell{color:var(--vp-gray-600);min-width:120px;max-width:300px;word-break:break-word}
.preview-table .subtotal-row{background:var(--vp-gray-100);font-weight:700}
.preview-table .subtotal-row td{border-top:2px solid var(--vp-gray-300)}

/* Field highlight for traceability navigation */
.field-highlight{
  animation:fieldPulse 1.5s ease-out;
  outline:3px solid var(--vp-red) !important;
  outline-offset:2px;
  background:var(--vp-red-soft) !important;
}
@keyframes fieldPulse{
  0%{outline-width:6px;outline-offset:-2px}
  100%{outline-width:3px;outline-offset:2px}
}

/* ====================================================
   Batch Export Page
   ==================================================== */
.batch-toolbar{
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
  padding:12px 0;border-bottom:1px solid var(--vp-gray-200);margin-bottom:12px;
}
.batch-toolbar .selected-count{
  font-size:13px;font-weight:600;color:var(--vp-gray-600);margin-left:auto;
}
.select-all-wrap{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;cursor:pointer}
.select-all-wrap input{accent-color:var(--vp-red)}

/* Print */
@media print{
  .sidebar,.mobile-topbar,.mobile-menu-btn,.sidebar-backdrop,.btn{display:none !important}
  .main{padding:0}
  .card{box-shadow:none;border:1px solid #ccc}
}

/* ====================================================
   Excel-faithful Preview (供應商稽核表)
   ==================================================== */
.xls-doc{
  background:#fff;border:1px solid var(--vp-gray-300);border-radius:6px;
  box-shadow:0 2px 10px rgba(0,0,0,.06);margin:0 auto 26px;max-width:1080px;
  overflow:hidden;font-size:12px;color:var(--vp-black);
}
.xls-title-bar{
  background:var(--vp-black);color:#fff;padding:12px 18px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
}
.xls-title-bar .t{font-size:15px;font-weight:800;letter-spacing:.4px}
.xls-title-bar .t small{display:block;font-size:11px;font-weight:500;color:#cfcfcf;margin-top:2px}
.xls-title-bar .r{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.xls-meta{width:100%;border-collapse:collapse}
.xls-meta td,.xls-meta th{border:1px solid var(--vp-gray-300);padding:6px 10px;vertical-align:middle}
.xls-meta th{background:var(--vp-gray-100);font-weight:700;white-space:nowrap;width:96px;text-align:left;color:var(--vp-gray-700)}
.xls-meta .val{font-weight:600}
.xls-typebar{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.xls-type{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--vp-gray-500)}
.xls-type .box{width:15px;height:15px;border:1.5px solid var(--vp-gray-400);border-radius:3px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;line-height:1}
.xls-type.on{color:var(--vp-black)}
.xls-type.on .box{border-color:var(--vp-red);background:var(--vp-red);color:#fff}
.xls-legend{display:flex;flex-wrap:wrap;gap:6px 14px;padding:8px 12px;background:var(--vp-gray-50);border-top:1px solid var(--vp-gray-200);font-size:11px;color:var(--vp-gray-600)}
.xls-legend b{color:var(--vp-black)}

.xls-sheet{margin-top:0;border-top:3px solid var(--vp-red)}
.xls-sheet-head{
  display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;
  background:var(--vp-red-soft);padding:8px 14px;border-bottom:1px solid #f2c4c9;
}
.xls-sheet-head .p{font-weight:800;color:var(--vp-red);font-size:13px}
.xls-sheet-head .s{display:flex;gap:10px;flex-wrap:wrap;font-size:11px}
.xls-sheet-head .s span{background:#fff;border:1px solid #f2c4c9;border-radius:10px;padding:2px 9px;font-weight:700}
.xls-grid{width:100%;border-collapse:collapse;table-layout:fixed}
.xls-grid th,.xls-grid td{border:1px solid var(--vp-gray-300);padding:5px 8px;vertical-align:top;line-height:1.5}
.xls-grid thead th{background:var(--vp-black);color:#fff;font-size:11px;font-weight:700;text-align:center;position:sticky;top:0}
.xls-grid .c-no{width:52px;text-align:center;font-weight:700;color:var(--vp-red)}
.xls-grid .c-method{width:130px}
.xls-grid .c-score{width:56px;text-align:center;font-weight:800;font-size:14px}
.xls-grid .c-ev{width:34%;color:var(--vp-gray-700);word-break:break-word;white-space:pre-wrap}
.xls-grid .c-q{word-break:break-word}
.xls-cat-row td{background:var(--vp-gray-100);font-weight:800;color:var(--vp-black);font-size:12px;letter-spacing:.2px}
.xls-sub-row td{background:var(--vp-gray-50);font-weight:700}
.xls-sub-row .lbl{text-align:right;color:var(--vp-gray-600)}
.xls-total-row td{background:var(--vp-black);color:#fff;font-weight:800}
.xls-total-row .lbl{text-align:right}
.xls-score-5{color:#15803d}.xls-score-4{color:#2563eb}.xls-score-3{color:#ca8a04}
.xls-score-2{color:#ea580c}.xls-score-1{color:var(--vp-red)}
.xls-empty{color:var(--vp-gray-400)}

.mtag{display:inline-block;font-size:10px;font-weight:700;padding:2px 7px;border-radius:9px;border:1px solid var(--vp-gray-300);color:var(--vp-gray-400);margin:1px 3px 1px 0;white-space:nowrap}
.mtag.on{background:var(--vp-black);color:#fff;border-color:var(--vp-black)}

/* Traceable cells */
.trace{cursor:pointer;position:relative;transition:background .12s}
.trace:hover{background:var(--vp-red-soft) !important;box-shadow:inset 0 0 0 2px var(--vp-red)}
.trace::after{content:"✎";position:absolute;top:2px;right:4px;font-size:10px;opacity:0;color:var(--vp-red);transition:opacity .12s}
.trace:hover::after{opacity:1}

.xls-batch-toc{background:#fff;border:1px solid var(--vp-gray-300);border-radius:6px;padding:14px 18px;margin:0 auto 20px;max-width:1080px}
.xls-batch-toc h3{margin:0 0 8px}
.xls-batch-toc ol{margin:0;padding-left:20px;font-size:13px;line-height:1.9}

@media print{
  body{background:#fff}
  .page-title,.page-sub,.flex-between{display:none !important}
  .main{padding:0 !important}
  .xls-doc{box-shadow:none;border:0;max-width:none;margin:0;page-break-after:always}
  .xls-doc:last-child{page-break-after:auto}
  .xls-sheet{page-break-inside:auto}
  .xls-grid tr{page-break-inside:avoid}
  .trace::after{display:none}
  .xls-grid thead th{position:static}
}