/* ─── Reset ───────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1a56db; --primary-dk:#1341b0; --primary-lt:#eff6ff;
  --accent:#0ea5e9;  --green:#16a34a; --red:#dc2626; --orange:#d97706; --yellow:#ca8a04;
  --bg:#f1f5f9; --surface:#fff; --border:#e2e8f0;
  --text:#1e293b; --muted:#64748b; --radius:10px;
  --shadow:0 2px 10px rgba(0,0,0,.07);
  --sidebar:240px;
}
body{font-family:'Segoe UI',Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
input,select,textarea,button{font-family:inherit}

/* ─── Screens ─────────────────────────────────────────────── */
.screen{display:none}
.screen.active{display:block}

/* ─── Login ───────────────────────────────────────────────── */
#loginScreen.active{display:flex;min-height:100vh;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1a56db 0%,#0ea5e9 100%)}
.login-wrap{width:100%;max-width:420px;padding:20px}
.login-card{background:var(--surface);border-radius:16px;padding:40px 36px;box-shadow:0 12px 40px rgba(0,0,0,.18)}
.login-logo{display:flex;align-items:center;gap:14px;margin-bottom:30px}
.logo-box{width:50px;height:50px;background:var(--primary);color:#fff;border-radius:12px;font-size:24px;font-weight:900;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.logo-box.sm{width:34px;height:34px;font-size:16px;border-radius:8px}
.logo-name{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:1px}
.logo-name.sm{font-size:15px}
.logo-tagline{font-size:11px;color:var(--muted);margin-top:2px}

/* ─── Form controls ───────────────────────────────────────── */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.5px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 13px;border:1.5px solid var(--border);border-radius:7px;font-size:14px;color:var(--text);background:#fff;transition:border-color .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}
.form-group textarea{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row.three{grid-template-columns:1fr 1fr 1fr}

/* ─── Buttons ─────────────────────────────────────────────── */
.btn-primary{padding:10px 20px;background:var(--primary);color:#fff;border:none;border-radius:7px;font-size:14px;font-weight:700;cursor:pointer;transition:background .2s}
.btn-primary:hover{background:var(--primary-dk)}
.btn-primary:disabled{background:#94a3b8;cursor:not-allowed}
.btn-primary.full{width:100%;padding:12px}
.btn-secondary{padding:10px 20px;background:var(--surface);color:var(--text);border:1.5px solid var(--border);border-radius:7px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}
.btn-success{padding:8px 16px;background:var(--green);color:#fff;border:none;border-radius:7px;font-size:13px;font-weight:700;cursor:pointer}
.btn-danger{padding:8px 16px;background:var(--red);color:#fff;border:none;border-radius:7px;font-size:13px;font-weight:700;cursor:pointer}
.btn-warn{padding:8px 16px;background:var(--orange);color:#fff;border:none;border-radius:7px;font-size:13px;font-weight:700;cursor:pointer}
.btn-sm{padding:5px 12px;font-size:12px;border-radius:5px}
.btn-icon{background:none;border:none;cursor:pointer;font-size:16px;padding:4px 6px;border-radius:5px;transition:background .15s}
.btn-icon:hover{background:var(--border)}
.error-msg{color:var(--red);font-size:13px;margin-top:10px;min-height:18px;text-align:center}

/* ─── App Layout ──────────────────────────────────────────── */
#appScreen.active{display:flex;min-height:100vh}

/* Sidebar */
#sidebar{width:var(--sidebar);min-height:100vh;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0}
.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px 12px;border-bottom:1px solid var(--border)}
.sidebar-user{padding:12px 16px;border-bottom:1px solid var(--border)}
.side-name{font-weight:700;font-size:14px;color:var(--text)}
.side-dept{font-size:11px;color:var(--muted);margin-top:2px}
.role-badge{display:inline-block;font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;margin-top:3px;background:#e0eaff;color:var(--primary);letter-spacing:.3px}

#sideNav{flex:1;padding:12px 8px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:7px;cursor:pointer;font-size:13px;font-weight:600;color:var(--muted);transition:all .15s;margin-bottom:2px}
.nav-item:hover{background:var(--primary-lt);color:var(--primary)}
.nav-item.active{background:var(--primary);color:#fff}
.nav-item .icon{font-size:16px;width:20px;text-align:center}
.nav-section{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;padding:12px 12px 4px}
.btn-logout{margin:12px;padding:10px;background:#fef2f2;color:var(--red);border:1px solid #fecaca;border-radius:7px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s}
.btn-logout:hover{background:#fee2e2}

/* Main area */
#mainArea{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 20px;gap:12px;position:sticky;top:0;z-index:50}
.menu-btn{background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted);display:none}
.page-title{font-size:16px;font-weight:700;flex:1}
.topbar-right{display:flex;align-items:center;gap:10px}
.notif-btn{position:relative;background:none;border:none;font-size:20px;cursor:pointer;padding:4px}
.notif-badge{position:absolute;top:0;right:0;background:var(--red);color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}
.notif-badge.hidden{display:none}
.view-container{flex:1;padding:24px;overflow-y:auto}

/* ─── Cards & Panels ──────────────────────────────────────── */
.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:24px;margin-bottom:20px}
.card-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.panel-title{font-size:18px;font-weight:700}

/* Stats grid */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}
.stat-num{font-size:30px;font-weight:900;color:var(--primary)}
.stat-lbl{font-size:12px;color:var(--muted);font-weight:600;margin-top:2px}
.stat-card.green .stat-num{color:var(--green)}
.stat-card.red   .stat-num{color:var(--red)}
.stat-card.orange .stat-num{color:var(--orange)}

/* ─── Tables ──────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;background:var(--surface);font-size:13px}
th{background:#f8fafc;color:var(--muted);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.5px;padding:10px 14px;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:11px 14px;border-bottom:1px solid #f8fafc;color:var(--text);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:#fafbff}
.actions-col{display:flex;gap:6px;flex-wrap:wrap}

/* Badges */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:700}
.badge-blue{background:#dbeafe;color:#1d4ed8}
.badge-green{background:#dcfce7;color:#15803d}
.badge-red{background:#fee2e2;color:#b91c1c}
.badge-orange{background:#ffedd5;color:#c2410c}
.badge-yellow{background:#fef9c3;color:#854d0e}
.badge-gray{background:#f1f5f9;color:#475569}
.badge-purple{background:#ede9fe;color:#6d28d9}

/* Doc number chip */
.doc-chip{background:#f0fdf4;color:var(--green);border:1px solid #86efac;border-radius:5px;padding:2px 9px;font-family:monospace;font-weight:700;font-size:12px}
.doc-chip-result{text-align:center;padding:20px;background:#f0fdf4;border:2px solid #86efac;border-radius:var(--radius);margin-top:16px}
.doc-chip-result .num{font-size:28px;font-weight:900;color:var(--green);font-family:monospace;letter-spacing:2px}

/* ─── Forms Library ───────────────────────────────────────── */
.forms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.form-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:6px;transition:box-shadow .2s,border-color .2s}
.form-card:hover{box-shadow:var(--shadow);border-color:#a5b4fc}
.form-id{font-size:10px;font-weight:700;color:var(--primary);letter-spacing:.5px}
.form-name{font-size:13px;font-weight:700;flex:1}
.form-cat{font-size:11px;color:var(--muted)}

/* ─── Procurement ─────────────────────────────────────────── */
.proc-steps{display:flex;gap:0;margin-bottom:24px;overflow-x:auto}
.proc-step{flex:1;text-align:center;padding:10px 6px;border-bottom:3px solid var(--border);font-size:12px;font-weight:600;color:var(--muted);min-width:80px}
.proc-step.active{border-bottom-color:var(--primary);color:var(--primary)}
.proc-step.done{border-bottom-color:var(--green);color:var(--green)}
.approval-chain{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:12px 0}
.chain-node{padding:5px 14px;border-radius:20px;font-size:12px;font-weight:700;background:#f1f5f9;color:var(--muted)}
.chain-node.current{background:var(--primary-lt);color:var(--primary);border:1.5px solid var(--primary)}
.chain-node.done{background:#dcfce7;color:var(--green)}
.chain-arrow{color:var(--muted);font-size:14px}

/* Items table in PR-F01 */
.items-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:8px}
.items-table th{background:#f8fafc;padding:8px 10px;font-size:11px;font-weight:700;text-transform:uppercase;color:var(--muted);border:1px solid var(--border)}
.items-table td{padding:6px 8px;border:1px solid var(--border)}
.items-table input{width:100%;border:none;background:transparent;font-size:13px;padding:2px 4px}
.items-table input:focus{outline:1px solid var(--primary);border-radius:3px}

/* ─── Notifications ───────────────────────────────────────── */
.notif-list{display:flex;flex-direction:column;gap:8px}
.notif-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;transition:background .15s}
.notif-item.unread{border-right:3px solid var(--primary);background:var(--primary-lt)}
.notif-item:hover{background:#f8faff}
.notif-title{font-size:13px;font-weight:700}
.notif-msg{font-size:12px;color:var(--muted);margin-top:3px}
.notif-time{font-size:11px;color:var(--muted);margin-top:4px}

/* ─── Upload zone ─────────────────────────────────────────── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 24px;text-align:center;cursor:pointer;transition:all .2s;background:var(--surface)}
.upload-zone.drag-over{border-color:var(--primary);background:var(--primary-lt)}
.upload-zone .icon{font-size:40px;margin-bottom:10px}
.upload-hint{font-size:14px;font-weight:600}
.upload-hint-sub{font-size:12px;color:var(--muted);margin-top:4px}
.queue-item{background:var(--surface);border:1px solid var(--border);border-radius:7px;padding:10px 14px;display:flex;align-items:center;gap:10px;font-size:13px}
.queue-item.done{border-color:#86efac;background:#f0fdf4}
.queue-item.err{border-color:#fca5a5;background:#fef2f2}
.queue-item .qname{flex:1;font-weight:600;word-break:break-all}
.progress-wrap{width:80px;height:4px;background:var(--border);border-radius:4px;overflow:hidden;flex-shrink:0}
.progress-bar{height:100%;background:var(--primary);border-radius:4px;transition:width .3s}

/* ─── Modal ───────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-overlay.hidden{display:none}
.modal-box{background:var(--surface);border-radius:14px;padding:32px;width:100%;max-width:600px;max-height:90vh;overflow-y:auto;position:relative}
.modal-close{position:absolute;top:14px;right:16px;background:none;border:none;font-size:20px;cursor:pointer;color:var(--muted)}
.modal-title{font-size:18px;font-weight:700;margin-bottom:20px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}

/* ─── User management ─────────────────────────────────────── */
.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:13px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}

/* ─── Reports ─────────────────────────────────────────────── */
.report-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:box-shadow .2s}
.report-card:hover{box-shadow:var(--shadow)}
.report-type{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.report-period{font-size:14px;font-weight:700;margin-top:2px}
.report-date{font-size:11px;color:var(--muted);margin-top:4px}

/* ─── Misc ────────────────────────────────────────────────── */
.empty{padding:50px;text-align:center;color:var(--muted);font-size:14px}
.loading{padding:40px;text-align:center;color:var(--muted)}
.section-title{font-size:16px;font-weight:700;margin-bottom:14px}
.section-title.mt{margin-top:28px}
.divider{border:none;border-top:1px solid var(--border);margin:20px 0}
.text-muted{color:var(--muted)}
.text-sm{font-size:12px}
.mb-0{margin-bottom:0}
.gap-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.check-row{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}
.check-row input{width:auto}
.fullwidth{width:100%}
.emergency-flag{background:#fff7ed;border:2px solid #f97316;border-radius:7px;padding:10px 14px;font-size:13px;font-weight:700;color:#c2410c;display:flex;align-items:center;gap:8px}

/* ─── Print ───────────────────────────────────────────────── */
@media print {
  #sidebar,#topbar,.modal-close,.modal-actions,.btn-icon,.btn-primary,.btn-secondary,.btn-success,.btn-warn,.btn-danger,
  .topbar,button { display:none !important; }
  .modal-overlay { position:static !important; background:none !important; padding:0 !important; }
  .modal-box { max-height:none !important; overflow:visible !important; box-shadow:none !important; padding:0 !important; }
  body,#appScreen { background:#fff !important; }
}

/* ─── Responsive ──────────────────────────────────────────── */
@media(max-width:768px){
  #sidebar{position:fixed;left:-260px;top:0;bottom:0;z-index:100;transition:left .25s;box-shadow:4px 0 20px rgba(0,0,0,.15)}
  #sidebar.open{left:0}
  .menu-btn{display:block}
  .view-container{padding:16px}
  .form-row,.form-row.three{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}