/* Inventory Tracker — Clean Dashboard UI */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:       #1a1d23;
  --bg-card:  #22262e;
  --bg-list:  #2b2f38;
  --bg-hover: #31363f;
  --bg-input: #181b20;
  --border:   #3a3f4a;
  --text:     #e1e4ea;
  --text-dim: #8b919e;
  --text-faint:#5c6170;
  --accent:   #5b8def;
  --accent-hover:#7aa4f7;
  --green:    #4caf7d;
  --green-dim:#2d6b4e;
  --yellow:   #e5a935;
  --red:      #e05555;
  --orange:   #e08c45;
  --purple:   #9b6dd7;
  --cyan:     #4fc1c9;
  --radius:   6px;
  --radius-lg:10px;
  --shadow:   0 2px 8px rgba(0,0,0,.35);
  --shadow-lg:0 8px 30px rgba(0,0,0,.5);
  --font: -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono: 'SF Mono','Fira Code',monospace;
}
html,body{height:100%;font-family:var(--font);font-size:14px;color:var(--text);background:var(--bg)}
a{color:var(--accent);text-decoration:none}
input,select,textarea,button{font-family:inherit;font-size:inherit}
.hidden{display:none!important}

/* ── Auth ── */
.screen{display:none;height:100vh;width:100vw}
.screen.active{display:flex}
#screen-auth{align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1318 0%,#1a2030 50%,#0d1520 100%)}
.auth-container{width:380px}
.auth-brand{text-align:center;margin-bottom:28px}
.brand-icon{width:56px;height:56px;background:var(--green);color:#fff;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:20px;margin-bottom:12px}
.auth-brand h1{font-size:28px;font-weight:700;letter-spacing:-.5px}
.auth-subtitle{color:var(--text-dim);margin-top:4px;font-size:15px}
.auth-box{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-lg)}
.auth-tabs{display:flex;gap:0;margin-bottom:20px;border-bottom:1px solid var(--border)}
.auth-tabs .tab-btn{flex:1;padding:10px;background:none;border:none;color:var(--text-dim);cursor:pointer;border-bottom:2px solid transparent;font-weight:500;transition:.15s}
.auth-tabs .tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}
.auth-hint{text-align:center;color:var(--text-faint);font-size:12px;margin-top:12px}
.alert-error{background:rgba(224,85,85,.12);color:var(--red);padding:10px;border-radius:var(--radius);margin-top:12px;font-size:13px;border:1px solid rgba(224,85,85,.25)}

/* ── Forms ── */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:5px;text-transform:uppercase;letter-spacing:.3px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:9px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);outline:none;transition:border .15s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent)}
.form-group textarea{resize:vertical;min-height:60px}
.form-hint{font-size:12px;color:var(--text-faint);margin-top:3px}
.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:var(--radius);font-weight:500;cursor:pointer;transition:.15s;font-size:13px;line-height:1.3}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg-hover);color:var(--text)}
.btn-block{width:100%;justify-content:center;padding:11px}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-xs{padding:3px 8px;font-size:11px}
.btn-danger{background:var(--red);color:#fff}.btn-danger:hover{background:#c74444}
.btn-success{background:var(--green);color:#fff}.btn-success:hover{background:#3d9468}
.btn-warning{background:var(--yellow);color:#000}.btn-warning:hover{background:#d49a2a}

/* ── Sidebar ── */
.sidebar{width:220px;background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;height:100vh}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:16px;font-weight:700;font-size:16px;color:var(--green);border-bottom:1px solid var(--border)}
.brand-icon-sm{width:32px;height:32px;background:var(--green);color:#fff;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
.sidebar-nav{flex:1;padding:8px;display:flex;flex-direction:column;gap:2px}
.nav-btn{display:block;width:100%;text-align:left;padding:10px 14px;background:none;border:none;border-radius:var(--radius);color:var(--text-dim);cursor:pointer;font-size:14px;font-weight:500;transition:.15s}
.nav-btn:hover{background:var(--bg-hover);color:var(--text)}
.nav-btn.active{background:rgba(91,141,239,.12);color:var(--accent)}
.nav-section-label{font-size:10px;font-weight:700;color:var(--text-faint);text-transform:uppercase;letter-spacing:.6px;padding:12px 14px 4px;margin-top:4px}
.sidebar-footer{padding:12px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.sidebar-user{font-size:13px;color:var(--text-dim);font-weight:500}
#screen-app{flex-direction:row}

/* ── Main Content ── */
.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}
.page-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);flex-shrink:0}
.page-header h1{font-size:22px;font-weight:700}
.page-body{flex:1;overflow-y:auto;padding:24px}

/* ── Dashboard Cards ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}
.stat-card .stat-label{font-size:12px;font-weight:600;color:var(--text-faint);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px}
.stat-card .stat-value{font-size:28px;font-weight:700}
.stat-card .stat-sub{font-size:12px;color:var(--text-dim);margin-top:4px}
.stat-card.green .stat-value{color:var(--green)}
.stat-card.blue .stat-value{color:var(--accent)}
.stat-card.orange .stat-value{color:var(--orange)}
.stat-card.purple .stat-value{color:var(--purple)}
.stat-card.cyan .stat-value{color:var(--cyan)}
.stat-card.yellow .stat-value{color:var(--yellow)}
.stat-card.red .stat-value{color:var(--red)}
.stat-card.clickable{cursor:pointer;transition:border-color .15s,transform .1s}
.stat-card.clickable:hover{border-color:var(--accent);transform:translateY(-1px)}

/* ── Board Cards ── */
.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-bottom:24px}
.board-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;cursor:pointer;transition:border-color .15s,transform .1s}
.board-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.board-card .board-card-title{font-size:16px;font-weight:700;margin-bottom:4px}
.board-card .board-card-sub{font-size:12px;color:var(--text-dim);margin-bottom:12px}
.board-card .board-card-stats{display:flex;gap:16px;flex-wrap:wrap}
.board-card .board-stat{display:flex;flex-direction:column}
.board-card .board-stat-value{font-size:20px;font-weight:700}
.board-card .board-stat-label{font-size:11px;color:var(--text-faint);text-transform:uppercase}
.board-card.green .board-card-title{color:var(--green)}
.board-card.orange .board-card-title{color:var(--orange)}
.board-card.purple .board-card-title{color:var(--purple)}
.board-card.cyan .board-card-title{color:var(--cyan)}

/* ── Back nav ── */
.back-btn{display:inline-flex;align-items:center;gap:4px;color:var(--accent);background:none;border:none;cursor:pointer;font-size:13px;font-weight:500;margin-bottom:16px;padding:4px 0}
.back-btn:hover{text-decoration:underline}

/* ── Split Layout ── */
.split-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.split-section h2{font-size:17px;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border)}

/* ── Supply alert ── */
.supply-alert{background:rgba(229,169,53,.1);border:1px solid rgba(229,169,53,.3);border-radius:var(--radius);padding:10px 14px;margin-bottom:16px;color:var(--yellow);font-size:13px;display:flex;align-items:center;gap:8px}

/* ── Tables ── */
.data-table{width:100%;border-collapse:collapse;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.data-table th{padding:10px 14px;text-align:left;font-size:11px;font-weight:700;color:var(--text-faint);text-transform:uppercase;letter-spacing:.4px;background:var(--bg-list);border-bottom:1px solid var(--border)}
.data-table td{padding:10px 14px;font-size:13px;border-bottom:1px solid rgba(58,63,74,.4)}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:hover td{background:var(--bg-hover)}
.data-table .mono{font-family:var(--mono);font-size:12px;color:var(--accent)}
.data-table .badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}
.badge-green{background:rgba(76,175,125,.2);color:var(--green)}
.badge-blue{background:rgba(91,141,239,.2);color:var(--accent)}
.badge-yellow{background:rgba(229,169,53,.2);color:var(--yellow)}
.badge-orange{background:rgba(224,140,69,.2);color:var(--orange)}
.badge-red{background:rgba(224,85,85,.2);color:var(--red)}
.badge-purple{background:rgba(155,109,215,.2);color:var(--purple)}
.badge-cyan{background:rgba(79,193,201,.2);color:var(--cyan)}
.badge-dim{background:rgba(139,145,158,.2);color:var(--text-dim)}
.table-actions{display:flex;gap:4px}
.table-wrapper{overflow-x:auto;border-radius:var(--radius-lg);margin-bottom:24px}
.table-wrapper h3{font-size:16px;font-weight:600;margin-bottom:12px}

/* ── Section ── */
.section{margin-bottom:32px}
.section h2{font-size:18px;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.section h3{font-size:16px;font-weight:600;margin-bottom:12px}

/* ── Empty state ── */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-dim)}
.empty-state h3{color:var(--text);font-size:18px;margin-bottom:8px}
.empty-state p{margin-bottom:16px}

/* ── Reports ── */
.report-controls{display:flex;gap:12px;align-items:flex-end;margin-bottom:24px;flex-wrap:wrap}
.report-controls .form-group{margin-bottom:0}
.report-section{margin-bottom:32px}
.report-section h3{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.report-print{margin-top:16px}

/* ── Modal ── */
.modal{position:fixed;top:0;left:0;right:0;bottom:0;z-index:900;display:flex;align-items:flex-start;justify-content:center;padding-top:48px}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.modal-sheet{position:relative;width:760px;max-width:95vw;max-height:calc(100vh - 80px);background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}
.modal-sheet.modal-md{width:520px}
.modal-sheet.modal-lg{width:700px}
.modal-sheet-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;border-bottom:1px solid var(--border);flex-shrink:0}
.modal-close-btn{background:none;border:none;color:var(--text-dim);font-size:22px;cursor:pointer;padding:4px 8px;border-radius:var(--radius);transition:.1s}
.modal-close-btn:hover{background:var(--bg-hover);color:var(--text)}
.modal-sheet-body{flex:1;overflow-y:auto;padding:16px 20px 24px}

/* ── Toast ── */
.toast-container{position:fixed;bottom:16px;right:16px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{padding:10px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--text);font-size:13px;min-width:260px;max-width:400px;animation:toast-in .25s ease;display:flex;align-items:center;gap:10px}
.toast.success{border-left:3px solid var(--green)}
.toast.error{border-left:3px solid var(--red)}
.toast.warning{border-left:3px solid var(--yellow)}
@keyframes toast-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.toast-close{background:none;border:none;color:var(--text-faint);cursor:pointer;margin-left:auto;font-size:14px}

/* ── Job detail sections ── */
.job-info-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:20px}
.job-info-item{background:var(--bg-list);padding:12px;border-radius:var(--radius)}
.job-info-item .label{font-size:11px;color:var(--text-faint);text-transform:uppercase;font-weight:600;letter-spacing:.3px}
.job-info-item .value{font-size:15px;font-weight:600;margin-top:2px}
.job-section{margin-bottom:20px}
.job-section h4{font-size:14px;font-weight:600;margin-bottom:8px;padding-bottom:4px;border-bottom:1px solid var(--border)}

/* ── Print ── */
@media print {
  .sidebar,.page-header,.modal,.toast-container,.btn,.report-controls{display:none!important}
  .main-content{margin:0}
  .page-body{padding:0}
  body{background:#fff;color:#000}
  .stat-card,.data-table,.data-table th,.data-table td{background:#fff;color:#000;border-color:#ccc}
  .stat-card .stat-value{color:#000!important}
  .badge-green,.badge-blue,.badge-yellow,.badge-orange,.badge-red,.badge-purple,.badge-cyan,.badge-dim{background:#eee;color:#000}
}

/* ── Responsive ── */
@media(max-width:768px){
  .sidebar{width:60px}
  .sidebar-brand span:last-child,.nav-btn,.sidebar-user{display:none}
  .sidebar-footer{justify-content:center}
  .page-body{padding:16px}
  .stats-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .job-info-grid{grid-template-columns:1fr}
}