/* ═══════════════════════════════════════════════════════════
   Production Tracker v3 — Mobile-first CSS
═══════════════════════════════════════════════════════════ */
:root {
  --blue:    #1a6fc4;
  --blue-d:  #0f4f94;
  --blue-l:  #e8f2ff;
  --green:   #0d9e6e;
  --green-d: #087a55;
  --green-l: #e6f9f4;
  --amber:   #e07c00;
  --amber-l: #fff5e6;
  --red:     #c0392b;
  --red-l:   #fdf0ee;
  --gray-50: #f8f8f6;
  --gray-100:#f0eeea;
  --gray-200:#e0ddd6;
  --gray-400:#a09d96;
  --gray-600:#6b6860;
  --gray-800:#2a2825;
  --white:   #ffffff;
  --radius:  12px;
  --radius-sm:8px;
  --shadow:  0 2px 12px rgba(0,0,0,.08);
  --shadow-lg:0 8px 32px rgba(0,0,0,.14);
  --font:    -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:var(--font);font-size:15px;color:var(--gray-800);background:var(--gray-50);line-height:1.5}
.hidden{display:none!important}
button,input,select,textarea{font-family:inherit;font-size:inherit}

/* ── Login ────────────────────────────────────────────────── */
#pt-login{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:20px;background:linear-gradient(145deg,#0f2847 0%,#1a5296 100%);
}
.pt-login-card{
  background:var(--white);border-radius:20px;padding:32px 28px;width:100%;max-width:400px;
  box-shadow:var(--shadow-lg);
}
.pt-login-logo{text-align:center;margin-bottom:24px}
.pt-login-icon{
  width:64px;height:64px;background:var(--blue);border-radius:16px;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px;
}
.pt-login-icon svg{width:32px;height:32px;fill:white}
.pt-login-title{font-size:22px;font-weight:700;color:var(--gray-800)}
.pt-login-sub{font-size:13px;color:var(--gray-400);margin-top:4px}

.pt-role-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:22px;background:var(--gray-100);border-radius:var(--radius-sm);padding:4px}
.pt-role-tab{
  padding:10px 8px;border:none;border-radius:8px;background:transparent;
  cursor:pointer;font-size:13px;font-weight:600;color:var(--gray-600);
  display:flex;flex-direction:column;align-items:center;gap:4px;transition:all .2s
}
.pt-role-tab.active{background:var(--white);color:var(--blue);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.pt-role-tab-icon{font-size:20px}

.pt-field{margin-bottom:16px}
.pt-field label{display:block;font-size:11px;font-weight:700;color:var(--gray-400);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px}
.pt-input{
  width:100%;padding:12px 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);
  font-size:15px;color:var(--gray-800);background:var(--white);transition:border .2s;
}
.pt-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(26,111,196,.12)}
.pt-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.pt-textarea{min-height:72px;resize:vertical}
.pt-error{background:var(--red-l);color:var(--red);border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;margin-bottom:14px;border:1px solid rgba(192,57,43,.2)}

.pt-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 20px;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  cursor:pointer;transition:all .15s;text-align:center;white-space:nowrap;
}
.pt-btn-primary{background:var(--blue);color:white;width:100%}
.pt-btn-primary:hover{background:var(--blue-d)}
.pt-btn-primary:disabled{opacity:.45;cursor:default}
.pt-btn-success{background:var(--green);color:white}
.pt-btn-success:hover{background:var(--green-d)}
.pt-btn-success.w100{width:100%}
.pt-btn-outline{background:var(--white);color:var(--gray-600);border:1.5px solid var(--gray-200)}
.pt-btn-outline:hover{background:var(--gray-50);border-color:var(--gray-400)}
.pt-btn-danger{background:var(--red-l);color:var(--red);border:1px solid rgba(192,57,43,.25)}
.pt-btn-danger:hover{background:#fbe8e5}
.pt-btn-sm{padding:7px 12px;font-size:13px;font-weight:500}
.pt-btn-icon{width:36px;height:36px;padding:0;border-radius:8px;font-size:16px}

/* ── App shell ────────────────────────────────────────────── */
#pt-main{display:flex;flex-direction:column;min-height:100vh}

.pt-topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;height:56px;background:var(--blue-d);color:white;
  position:sticky;top:0;z-index:200;box-shadow:0 2px 8px rgba(0,0,0,.2);
}
.pt-topbar-left{display:flex;align-items:center;gap:10px}
.pt-topbar-logo{width:34px;height:34px;background:rgba(255,255,255,.2);border-radius:8px;display:flex;align-items:center;justify-content:center}
.pt-topbar-logo svg{width:18px;height:18px;fill:white}
.pt-topbar-name{font-size:15px;font-weight:700}
.pt-badge{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700;letter-spacing:.04em}
.pt-badge-admin{background:rgba(255,255,255,.25);color:white}
.pt-badge-worker{background:var(--green);color:white}
.pt-topbar-right{display:flex;align-items:center;gap:8px}
.pt-avatar{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:white;flex-shrink:0}
.pt-logout-btn{padding:6px 12px;border:1.5px solid rgba(255,255,255,.4);border-radius:7px;background:transparent;color:white;font-size:12px;cursor:pointer;font-weight:600}

/* Bottom nav (mobile) */
.pt-bottom-nav{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  display:flex;background:var(--white);border-top:1px solid var(--gray-200);
  padding-bottom:env(safe-area-inset-bottom,0);
}
.pt-bnav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:8px 4px;cursor:pointer;border:none;background:transparent;color:var(--gray-400);
  font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;transition:color .15s;
}
.pt-bnav-item.active{color:var(--blue)}
.pt-bnav-item svg{width:22px;height:22px;fill:currentColor}

/* Desktop sidebar (hidden on mobile) */
.pt-sidebar{
  width:220px;flex-shrink:0;background:var(--white);border-right:1px solid var(--gray-200);
  padding:16px 0;min-height:calc(100vh - 56px);display:none;
}
.pt-nav-item{
  display:flex;align-items:center;gap:12px;padding:12px 20px;font-size:14px;
  color:var(--gray-600);cursor:pointer;border-left:3px solid transparent;transition:all .15s;
}
.pt-nav-item.active{background:var(--blue-l);color:var(--blue);border-left-color:var(--blue);font-weight:600}
.pt-nav-item:hover:not(.active){background:var(--gray-50)}
.pt-nav-item svg{width:18px;height:18px;fill:currentColor;flex-shrink:0}

.pt-layout{display:flex;flex:1}
.pt-content{flex:1;padding:16px;padding-bottom:80px;overflow-x:hidden;max-width:100%}

/* ── Cards ────────────────────────────────────────────────── */
.pt-card{background:var(--white);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}
.pt-card-title{font-size:15px;font-weight:700;color:var(--gray-800);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.pt-page-title{font-size:20px;font-weight:700;color:var(--gray-800);margin-bottom:4px}
.pt-page-sub{font-size:13px;color:var(--gray-400);margin-bottom:18px}

/* ── Stats grid ───────────────────────────────────────────── */
.pt-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}
.pt-stat{background:var(--white);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.pt-stat-label{font-size:11px;color:var(--gray-400);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.pt-stat-value{font-size:26px;font-weight:700;color:var(--gray-800)}
.pt-stat-sub{font-size:11px;color:var(--gray-400);margin-top:2px}

/* ── Table ────────────────────────────────────────────────── */
.pt-table-wrap{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.pt-table{width:100%;border-collapse:collapse;font-size:13px}
.pt-table th{text-align:left;padding:10px 14px;font-size:11px;font-weight:700;color:var(--gray-400);text-transform:uppercase;letter-spacing:.05em;background:var(--gray-50);border-bottom:1px solid var(--gray-200)}
.pt-table td{padding:12px 14px;border-bottom:1px solid var(--gray-100);vertical-align:middle}
.pt-table tr:last-child td{border-bottom:none}
.pt-table tr:hover td{background:var(--gray-50)}
.pt-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ── Badges/Status ────────────────────────────────────────── */
.pt-serial{display:inline-flex;align-items:center;justify-content:center;background:var(--blue-l);color:var(--blue);border-radius:6px;font-weight:700;font-size:12px;padding:3px 9px}
.pt-status{padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;display:inline-block}
.pt-status-new    {background:var(--gray-100);color:var(--gray-600)}
.pt-status-partial{background:var(--amber-l);color:var(--amber)}
.pt-status-done   {background:var(--green-l);color:var(--green-d)}

/* ── Forms ────────────────────────────────────────────────── */
.pt-form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.pt-form-row .pt-field{margin-bottom:0}

/* ── Camera ───────────────────────────────────────────────── */
.pt-cam-wrap{
  background:#111;border-radius:var(--radius);overflow:hidden;position:relative;
  width:100%;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  min-height:220px;
}
.pt-cam-ph{text-align:center;color:#777;padding:24px}
.pt-cam-ph-icon{font-size:48px;margin-bottom:10px}
.pt-cam-ph p{font-size:14px;color:#888}
.pt-video,.pt-canvas-photo{width:100%;height:100%;object-fit:cover;display:block}
.pt-cam-btns{display:flex;gap:8px;margin-top:10px}
.pt-photo-ok{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--green-l);color:var(--green-d);border-radius:var(--radius-sm);font-size:13px;font-weight:600;margin-top:10px}

/* Face ID overlay */
.pt-face-overlay{
  position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;pointer-events:none
}
.pt-face-frame{
  width:180px;height:220px;border:3px solid rgba(255,255,255,.9);border-radius:50%;
  box-shadow:0 0 0 9999px rgba(0,0,0,.45);animation:pt-pulse 2s infinite;
}
@keyframes pt-pulse{0%,100%{box-shadow:0 0 0 9999px rgba(0,0,0,.45),0 0 0 0 rgba(26,111,196,.5)}50%{box-shadow:0 0 0 9999px rgba(0,0,0,.45),0 0 0 8px rgba(26,111,196,.2)}}
.pt-face-hint{position:absolute;bottom:14px;left:0;right:0;text-align:center;color:white;font-size:13px;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.8)}

/* ── QR Scanner ───────────────────────────────────────────── */
.pt-scan-wrap{position:relative;cursor:pointer}
.pt-scan-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.pt-scan-frame{
  width:200px;height:200px;position:relative;
}
.pt-scan-frame::before,.pt-scan-frame::after,
.pt-scan-corner-bl,.pt-scan-corner-br{
  content:'';position:absolute;width:30px;height:30px;border-color:white;border-style:solid;
}
.pt-scan-frame::before{top:0;left:0;border-width:3px 0 0 3px;border-radius:4px 0 0 0}
.pt-scan-frame::after{top:0;right:0;border-width:3px 3px 0 0;border-radius:0 4px 0 0}
.pt-scan-corner-bl{bottom:0;left:0;border-width:0 0 3px 3px;border-radius:0 0 0 4px}
.pt-scan-corner-br{bottom:0;right:0;border-width:0 3px 3px 0;border-radius:0 0 4px 0}
.pt-scan-line{position:absolute;left:10px;right:10px;height:2px;background:rgba(26,111,196,.8);animation:pt-scan 2s linear infinite}
@keyframes pt-scan{0%{top:10px}100%{top:calc(100% - 12px)}}
.pt-scan-status{position:absolute;bottom:12px;left:0;right:0;text-align:center;color:white;font-size:13px;font-weight:600;text-shadow:0 1px 3px rgba(0,0,0,.8);padding:0 12px}

/* ── Action chips ─────────────────────────────────────────── */
.pt-chips{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:10px 0}
.pt-chip-btn{
  padding:11px 8px;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);
  background:var(--white);color:var(--gray-600);font-size:13px;font-weight:500;
  cursor:pointer;text-align:center;transition:all .15s;
}
.pt-chip-btn.selected{border-color:var(--green);background:var(--green-l);color:var(--green-d);font-weight:700}
.pt-chip-btn:active{transform:scale(.97)}

/* ── Device found card ────────────────────────────────────── */
.pt-found-card{background:var(--green-l);border:2px solid var(--green);border-radius:var(--radius);padding:14px 16px;margin-bottom:14px}
.pt-found-title{font-size:13px;font-weight:700;color:var(--green-d);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.pt-found-model{font-size:20px;font-weight:700;color:var(--gray-800)}
.pt-found-serial{font-size:13px;color:var(--gray-600);margin-top:2px}
.pt-done-pills{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}
.pt-done-pill{padding:3px 10px;background:rgba(13,158,110,.15);border-radius:20px;font-size:11px;color:var(--green-d);font-weight:600}

/* ── Complete scan ────────────────────────────────────────── */
.pt-complete-result{
  padding:24px;text-align:center;border-radius:var(--radius);
}
.pt-complete-result.success{background:var(--green-l)}
.pt-complete-result.already{background:var(--amber-l)}
.pt-complete-icon{font-size:52px;margin-bottom:12px}
.pt-complete-text{font-size:18px;font-weight:700}
.pt-complete-sub{font-size:14px;color:var(--gray-600);margin-top:6px}

/* ── Stages editor ────────────────────────────────────────── */
.pt-stage-list{list-style:none}
.pt-stage-item{
  display:flex;align-items:center;gap:8px;padding:10px 12px;
  background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-sm);
  margin-bottom:6px;cursor:grab;user-select:none;
}
.pt-stage-item:active{cursor:grabbing;box-shadow:var(--shadow-lg)}
.pt-stage-handle{color:var(--gray-400);font-size:18px;line-height:1;flex-shrink:0}
.pt-stage-label{flex:1;font-size:14px;color:var(--gray-800)}
.pt-stage-editing input{flex:1;padding:6px 10px;border:1.5px solid var(--blue);border-radius:6px;font-size:14px}

/* ── QR print ─────────────────────────────────────────────── */
.pt-qr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.pt-qr-item{border:1px solid var(--gray-200);border-radius:var(--radius);padding:12px;text-align:center;background:var(--white)}
.pt-qr-model{font-size:11px;color:var(--gray-400);margin-bottom:4px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.pt-qr-serial{font-size:20px;font-weight:700;color:var(--gray-800);margin-bottom:8px}
.pt-qr-box{display:inline-block;background:white;padding:8px;border:1px solid var(--gray-200);border-radius:6px}
.pt-qr-fw{font-size:10px;color:var(--gray-400);margin-top:6px}

/* ── Timeline ─────────────────────────────────────────────── */
.pt-timeline{margin-top:4px}
.pt-tl-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--gray-100)}
.pt-tl-item:last-child{border-bottom:none}
.pt-tl-dot{width:10px;height:10px;border-radius:50%;background:var(--blue);flex-shrink:0;margin-top:5px}
.pt-tl-dot.green{background:var(--green)}
.pt-tl-action{font-size:14px;font-weight:600;color:var(--gray-800)}
.pt-tl-meta{font-size:11px;color:var(--gray-400);margin-top:2px}

/* ── Search ───────────────────────────────────────────────── */
.pt-search{display:flex;gap:8px;margin-bottom:14px}
.pt-search-input{flex:1;padding:10px 14px;border:1.5px solid var(--gray-200);border-radius:var(--radius-sm);font-size:14px;background:var(--white);color:var(--gray-800)}
.pt-search-input:focus{outline:none;border-color:var(--blue)}

/* ── Filter pills ─────────────────────────────────────────── */
.pt-filters{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.pt-filter-btn{padding:5px 12px;border-radius:20px;font-size:12px;font-weight:600;border:1.5px solid var(--gray-200);background:white;color:var(--gray-600);cursor:pointer;transition:all .15s}
.pt-filter-btn.active{background:var(--blue-l);color:var(--blue);border-color:var(--blue)}

/* ── Modal ────────────────────────────────────────────────── */
.pt-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:9999;display:flex;align-items:flex-end;justify-content:center;padding:0}
.pt-modal-box{background:var(--white);border-radius:20px 20px 0 0;padding:24px 20px;width:100%;max-height:90vh;overflow-y:auto;animation:pt-slide-up .25s ease}
@keyframes pt-slide-up{from{transform:translateY(100%)}to{transform:translateY(0)}}
.pt-modal-handle{width:40px;height:4px;background:var(--gray-200);border-radius:2px;margin:0 auto 20px}
.pt-modal-title{font-size:17px;font-weight:700;color:var(--gray-800);margin-bottom:16px}
.pt-modal-close{float:right;border:none;background:none;font-size:22px;cursor:pointer;color:var(--gray-400);margin-top:-4px}

/* ── Toast ────────────────────────────────────────────────── */
.pt-toast{
  position:fixed;bottom:88px;left:50%;transform:translateX(-50%);
  background:var(--gray-800);color:white;padding:10px 20px;border-radius:24px;
  font-size:13px;font-weight:600;z-index:99999;white-space:nowrap;
  animation:pt-toast-in .2s ease;pointer-events:none;box-shadow:var(--shadow-lg);
}
.pt-toast.err{background:var(--red)}
.pt-toast.success{background:var(--green)}
@keyframes pt-toast-in{from{opacity:0;transform:translateX(-50%) translateY(8px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* ── Detail panel ─────────────────────────────────────────── */
.pt-detail-row{display:flex;justify-content:space-between;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--gray-100);font-size:14px}
.pt-detail-row:last-child{border-bottom:none}
.pt-detail-key{color:var(--gray-400);font-size:13px;flex-shrink:0;margin-right:12px}
.pt-detail-val{font-weight:600;color:var(--gray-800);text-align:right;word-break:break-word}

/* ── Photo grid ───────────────────────────────────────────── */
.pt-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.pt-photo-thumb{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px;border:1px solid var(--gray-200)}
.pt-photo-time{font-size:10px;color:var(--gray-400);text-align:center;margin-top:3px}

/* ── Empty ────────────────────────────────────────────────── */
.pt-empty{text-align:center;padding:40px 20px;color:var(--gray-400);font-size:14px}
.pt-empty-icon{font-size:40px;margin-bottom:10px}

/* ── Misc ─────────────────────────────────────────────────── */
.pt-mono{font-family:monospace;font-size:13px}
.pt-section-title{font-size:14px;font-weight:700;color:var(--gray-800);margin-bottom:10px;margin-top:4px}
.pt-divider{height:1px;background:var(--gray-100);margin:14px 0}
.pt-flex{display:flex;align-items:center;gap:8px}
.pt-flex-wrap{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.pt-mt-8{margin-top:8px}.pt-mt-12{margin-top:12px}.pt-mt-16{margin-top:16px}

/* ── Desktop overrides (≥768px) ───────────────────────────── */
@media(min-width:768px){
  .pt-content{padding:24px;padding-bottom:24px}
  .pt-bottom-nav{display:none}
  .pt-sidebar{display:block}
  .pt-stats{grid-template-columns:repeat(4,1fr)}
  .pt-modal-overlay{align-items:center;padding:20px}
  .pt-modal-box{border-radius:20px;max-width:560px;animation:pt-fade-in .2s ease}
  @keyframes pt-fade-in{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}
  .pt-modal-handle{display:none}
  .pt-toast{bottom:24px}
  .pt-cam-wrap{max-width:480px}
  .pt-chips{grid-template-columns:repeat(3,1fr)}
}

/* ── Print ────────────────────────────────────────────────── */
@media print{
  #pt-main .pt-topbar,.pt-bottom-nav,.pt-sidebar,.pt-content>*:not(.pt-print-area){display:none!important}
  .pt-print-area{display:block!important}
  .pt-qr-grid{grid-template-columns:repeat(4,1fr)}
}