@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');
:root {
  --navy:#0A1F5C; --teal:#00A0D2; --gold:#C8A832; --bg:#F0F2F7; --card:#FFFFFF;
  --text:#1a1a2e; --muted:#6b7280; --border:#e5e7eb;
  --eve:#3B82F6; --early:#10B981; --mid:#8B5CF6; --wknd:#F59E0B; --day:#6B7280;
  --success:#059669; --danger:#EF4444;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh}

/* ── LOGIN SCREEN ── */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy) 0%,#1a3a7a 100%)}
.login-card{background:white;border-radius:20px;padding:40px;width:90%;max-width:380px;box-shadow:0 24px 60px rgba(0,0,0,0.3);text-align:center}
.login-logo{width:60px;height:60px;background:var(--teal);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:white;margin:0 auto 16px}
.login-title{font-size:22px;font-weight:700;color:var(--navy);margin-bottom:4px}
.login-sub{font-size:13px;color:var(--muted);margin-bottom:28px}
.emp-select{width:100%;border:1.5px solid var(--border);border-radius:10px;padding:12px 14px;font-size:15px;font-family:'DM Sans',sans-serif;color:var(--text);margin-bottom:16px;outline:none}
.emp-select:focus{border-color:var(--teal)}
.pin-label{font-size:12px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;text-align:left}
.pin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.pin-btn{padding:16px;font-size:18px;font-weight:600;border:1.5px solid var(--border);border-radius:10px;background:white;cursor:pointer;transition:all .15s;font-family:'DM Mono',monospace}
.pin-btn:hover{background:var(--bg);border-color:var(--teal)}
.pin-btn:active{transform:scale(.95)}
.pin-btn.wide{grid-column:span 2}
.pin-display{background:#f8fafc;border:1.5px solid var(--border);border-radius:10px;padding:12px;font-family:'DM Mono',monospace;font-size:24px;letter-spacing:8px;text-align:center;margin-bottom:12px;min-height:52px;color:var(--navy)}
.login-btn{width:100%;padding:14px;background:var(--navy);color:white;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;font-family:'DM Sans',sans-serif;transition:all .15s}
.login-btn:hover{background:#0d2870}
.login-error{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA;border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:12px;display:none}

/* ── HEADER ── */
.header{background:var(--navy);padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:56px;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(10,31,92,.3)}
.header-left{display:flex;align-items:center;gap:12px}
.logo{width:32px;height:32px;background:var(--teal);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:white}
.header h1{color:white;font-size:16px;font-weight:600}.header h1 span{color:var(--teal)}
.header-credit{font-size:10px;color:rgba(255,255,255,.4);margin-top:1px}
.header-right{display:flex;align-items:center;gap:10px}
.db-status{display:flex;align-items:center;gap:6px;font-size:12px;color:rgba(255,255,255,.7)}
.db-dot{width:6px;height:6px;border-radius:50%;background:#ef4444}.db-dot.connected{background:#10b981}
.user-info{display:flex;align-items:center;gap:8px}
.user-name{color:white;font-size:13px;font-weight:500}
.role-badge{padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}
.role-badge.manager{background:var(--gold);color:var(--navy)}
.role-badge.employee{background:rgba(255,255,255,.15);color:white}
.logout-btn{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:6px;padding:4px 10px;color:white;font-size:12px;cursor:pointer;font-family:'DM Sans',sans-serif}
.logout-btn:hover{background:rgba(255,255,255,.2)}

/* ── NAV ── */
.nav{background:white;border-bottom:1px solid var(--border);padding:0 24px;display:flex;overflow-x:auto}
.nav-tab{padding:14px 18px;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;transition:all .15s;position:relative}
.nav-tab:hover{color:var(--navy)}.nav-tab.active{color:var(--navy);border-bottom-color:var(--teal);font-weight:600}
.notif-badge{position:absolute;top:8px;right:4px;background:var(--danger);color:white;font-size:10px;font-weight:700;border-radius:10px;padding:1px 5px;min-width:16px;text-align:center}

/* ── MAIN ── */
.main{padding:24px;max-width:1200px;margin:0 auto}
.screen{display:none}.screen.active{display:block}
.card{background:var(--card);border-radius:12px;border:1px solid var(--border);padding:24px;margin-bottom:20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.card-title{font-size:15px;font-weight:600;color:var(--navy);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.card-title::before{content:'';width:3px;height:16px;background:var(--teal);border-radius:2px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
label{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
input,select,textarea{border:1.5px solid var(--border);border-radius:8px;padding:10px 12px;font-size:14px;font-family:'DM Sans',sans-serif;color:var(--text);background:white;transition:border-color .15s;outline:none;width:100%}
input:focus,select:focus{border-color:var(--teal)}
input[readonly]{background:#f9fafb;color:var(--muted)}
.preview-box{background:linear-gradient(135deg,#f8faff,#eef4ff);border:1.5px solid #c7d7f5;border-radius:10px;padding:16px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.preview-item{text-align:center}
.preview-label{font-size:10px;color:var(--muted);font-weight:600;margin-bottom:4px;text-transform:uppercase}
.preview-value{font-size:18px;font-weight:700;color:var(--navy);font-family:'DM Mono',monospace}
.preview-value.Eve{color:var(--eve)}.preview-value.Early{color:var(--early)}
.preview-value.Mid{color:var(--mid)}.preview-value.Wknd{color:var(--wknd)}
.preview-value.r12{color:var(--gold)}
.btn{padding:10px 22px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;font-family:'DM Sans',sans-serif;transition:all .15s;display:inline-flex;align-items:center;gap:6px}
.btn-primary{background:var(--navy);color:white}
.btn-primary:hover{background:#0d2870;transform:translateY(-1px);box-shadow:0 4px 12px rgba(10,31,92,.3)}
.btn-primary:disabled{background:#9ca3af;cursor:not-allowed;transform:none;box-shadow:none}
.btn-success{background:var(--success);color:white}.btn-success:hover{background:#047857}
.btn-danger-solid{background:var(--danger);color:white}.btn-danger-solid:hover{background:#dc2626}
.btn-ghost{background:transparent;color:var(--muted);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}
.btn-danger{background:#FEF2F2;color:var(--danger);border:1.5px solid #fecaca}
.btn-sm{padding:6px 12px;font-size:12px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{background:#f8fafc;padding:10px 12px;text-align:left;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid #f3f4f6;vertical-align:middle}
tr:hover td{background:#fafbff}tr:last-child td{border-bottom:none}
.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.badge-Eve{background:#EFF6FF;color:var(--eve)}.badge-Early{background:#ECFDF5;color:var(--early)}
.badge-Mid{background:#F5F3FF;color:var(--mid)}.badge-Wknd{background:#FFFBEB;color:var(--wknd)}
.badge-Day{background:#F9FAFB;color:var(--day)}.badge-12{background:#FFFBEB;color:var(--gold)}
.badge-11{background:#F9FAFB;color:var(--muted)}
.badge-pending{background:#FEF3C7;color:#92400E}
.badge-approved{background:#D1FAE5;color:#065F46}
.badge-rejected{background:#FEE2E2;color:#991B1B}
.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:20px}
.stat-card{background:white;border:1px solid var(--border);border-radius:10px;padding:16px;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.stat-card.navy::before{background:var(--navy)}.stat-card.teal::before{background:var(--teal)}
.stat-card.eve::before{background:var(--eve)}.stat-card.early::before{background:var(--early)}
.stat-card.mid::before{background:var(--mid)}.stat-card.wknd::before{background:var(--wknd)}
.stat-card.green::before{background:var(--success)}.stat-card.red::before{background:var(--danger)}
.stat-label{font-size:11px;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.4px;margin-bottom:8px}
.stat-value{font-size:26px;font-weight:700;color:var(--navy);font-family:'DM Mono',monospace;line-height:1}
.stat-sub{font-size:12px;color:var(--muted);margin-top:4px}
.emp-filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.emp-chip{padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;border:1.5px solid var(--border);background:white;color:var(--muted);transition:all .15s}
.emp-chip:hover{border-color:var(--teal);color:var(--teal)}.emp-chip.active{background:var(--navy);border-color:var(--navy);color:white}
.alert{padding:12px 16px;border-radius:8px;font-size:13px;font-weight:500;margin-bottom:16px;display:none;align-items:center;gap:8px}
.alert.show{display:flex}
.alert-success{background:#ECFDF5;color:#065F46;border:1px solid #A7F3D0}
.alert-error{background:#FEF2F2;color:#991B1B;border:1px solid #FECACA}
.empty-state{text-align:center;padding:48px 24px;color:var(--muted)}
.empty-icon{font-size:40px;margin-bottom:12px}.empty-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:6px}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:200;display:none;align-items:center;justify-content:center}
.modal-overlay.show{display:flex}
.modal{background:white;border-radius:16px;padding:28px;width:90%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.modal-title{font-size:17px;font-weight:700;color:var(--navy);margin-bottom:20px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.mb-4{margin-bottom:16px}
.loading{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;padding:20px}
.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--teal);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.leave-sub{padding:10px 18px;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s;white-space:nowrap}
.leave-sub:hover{color:var(--navy)}.leave-sub.active{color:var(--navy);border-bottom-color:var(--teal);font-weight:600}
.request-card{border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:12px;background:white}
.request-card.pending{border-left:4px solid var(--gold)}
.request-card.approved{border-left:4px solid var(--success)}
.request-card.rejected{border-left:4px solid var(--danger)}
/* ══ MOBILE RESPONSIVE ══════════════════════════════════════════ */
@media(max-width:640px){

  /* Layout */
  .main{padding:12px}
  .card{padding:16px;border-radius:10px;margin-bottom:14px}
  .card-title{font-size:14px}

  /* Nav — scrollable, smaller tabs */
  .nav{padding:0 8px}
  .nav-tab{padding:12px 12px;font-size:12px}

  /* Sub-tabs */
  .leave-sub{padding:8px 12px !important;font-size:12px !important}

  /* Forms — single column */
  .form-grid{grid-template-columns:1fr !important}
  .form-grid .full{grid-column:1}
  .form-group label{font-size:12px}
  .form-group input,.form-group select,.form-group textarea{font-size:14px;padding:9px 12px}

  /* Stat cards — 2 per row */
  .summary-grid{grid-template-columns:1fr 1fr;gap:10px}
  .stat-value{font-size:20px !important}
  .stat-label{font-size:10px}
  .stat-sub{font-size:10px}

  /* Tables — horizontal scroll with sticky first column */
  .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px}
  .table-wrap table{font-size:12px;min-width:500px}
  .table-wrap th,.table-wrap td{padding:8px 10px;white-space:nowrap}

  /* Hide less important table columns on mobile */
  .hide-mobile{display:none !important}

  /* Buttons */
  .btn{padding:9px 14px;font-size:13px}
  .btn-sm{padding:5px 10px;font-size:11px}

  /* flex-between — stack on mobile */
  .flex-between{flex-wrap:wrap;gap:8px}
  .flex-between .card-title{margin-bottom:0}

  /* Modals — full screen on mobile */
  .modal-overlay{align-items:flex-end}
  .modal{width:100% !important;max-width:100% !important;border-radius:20px 20px 0 0 !important;max-height:92vh;padding:20px 16px}
  .modal-title{font-size:15px}

  /* Dashboard stat cards — 2 per row */
  .summary-grid[style*="margin-bottom:20px"]{grid-template-columns:1fr 1fr}

  /* Pin keypad on login */
  .pin-btn{padding:12px;font-size:16px}
  .login-card{padding:24px 20px}

  /* Quick actions — wrap buttons */
  .quick-actions-wrap{display:flex;flex-wrap:wrap;gap:8px}

  /* Preview boxes */
  div[style*="grid-template-columns:repeat(4"]{grid-template-columns:1fr 1fr !important}
  div[style*="grid-template-columns:repeat(3"]{grid-template-columns:1fr 1fr 1fr !important}

  /* OT Log preview */
  .preview-box{grid-template-columns:1fr 1fr !important}

  /* Team checkboxes — wrap nicely */
  #pj-team-checkboxes{gap:6px}
  #pj-team-checkboxes label{padding:5px 10px;font-size:12px}

  /* Pie charts — stack vertically */
  div[style*="grid-template-columns:1fr 1fr"]{grid-template-columns:1fr !important}

  /* Project/Employee summary pie container */
  div[style*="display:flex;align-items:center;gap:20px"]{flex-direction:column;align-items:flex-start}

  /* Request cards */
  .request-card{padding:12px}

  /* Header user info — shorten */
  .header-user{font-size:12px}
  #current-user-display{max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* Empty state */
  .empty-state{padding:24px 16px}
  .empty-icon{font-size:32px}

  /* Loading */
  .loading{padding:24px}
}

/* ── INVENTORY ── */
.inv-status-available{background:#ECFDF5;color:#065F46}
.inv-status-unavailable{background:#FEF2F2;color:#991B1B}
.inv-status-locked{background:#FEF3C7;color:#92400E}
.inv-status-default{background:#F9FAFB;color:#6B7280}
.inv-filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;padding:16px;background:white;border:1px solid var(--border);border-radius:12px;margin-bottom:20px}
.inv-filter-bar .form-group{flex:1;min-width:140px;margin:0}
.inv-log-row{padding:12px 0;border-bottom:1px solid #f3f4f6;font-size:13px}
.inv-log-row:last-child{border-bottom:none}

/* ── KNOWLEDGE BASE ── */
.kb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:4px}
.kb-card{background:white;border:1px solid var(--border);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px;box-shadow:0 1px 3px rgba(0,0,0,.04);transition:box-shadow .15s}
.kb-card:hover{box-shadow:0 4px 16px rgba(10,31,92,.1)}
.kb-card-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.kb-title{font-size:15px;font-weight:700;color:var(--navy);line-height:1.3}
.kb-excerpt{font-size:13px;color:var(--muted);line-height:1.6;flex:1}
.kb-tags{display:flex;flex-wrap:wrap;gap:6px}
.kb-tag{background:#f0f4ff;color:var(--navy);border-radius:20px;padding:2px 10px;font-size:11px;font-weight:600}
.kb-author{font-size:12px;color:var(--muted)}
.kb-cat-Network{background:#EFF6FF;color:var(--eve)}
.kb-cat-Security{background:#FEF2F2;color:var(--danger)}
.kb-cat-Configuration{background:#ECFDF5;color:var(--success)}
.kb-cat-Troubleshooting{background:#FFFBEB;color:var(--gold)}
.kb-cat-General{background:#F9FAFB;color:var(--muted)}
.kb-filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;padding:16px;background:white;border:1px solid var(--border);border-radius:12px;margin-bottom:20px}
.kb-filter-bar .form-group{flex:1;min-width:140px;margin:0}

/* ── KB ARTICLE MODAL ── */
.kb-article-body{font-size:14px;line-height:1.8;color:var(--text);white-space:pre-wrap;max-height:60vh;overflow-y:auto;padding-right:4px}

/* Small phones */
@media(max-width:380px){
  .summary-grid{grid-template-columns:1fr}
  .nav-tab{padding:10px 8px;font-size:11px}
}

/* ══ MOBILE — comprehensive polish (additive to 640px block above) ══ */
@media(max-width:640px){
  /* Prevent iOS auto-zoom on input focus (must be 16px) */
  input,select,textarea{font-size:16px !important}

  /* Header: tighten and drop low-priority items */
  .header{padding:0 10px;height:52px}
  .header h1{font-size:14px;line-height:1.1}
  .header-credit{display:none}
  .db-status{display:none}
  .header-left{gap:8px}
  .header-right{gap:6px}
  .logo,.header-left img{width:28px !important;height:28px !important}
  .role-badge{font-size:10px;padding:2px 7px}
  .user-name{font-size:11px;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .logout-btn{padding:5px 10px;font-size:11px}

  /* Header buttons (Change Password etc.): icon-only on mobile */
  .header-right .btn{padding:6px 8px !important;font-size:11px !important;min-height:32px;margin:0 !important}
  .change-password-btn-text{display:none}

  /* Touch targets: bump to ~38px minimum */
  .btn{min-height:38px}
  .btn-sm{min-height:30px;padding:6px 10px}
  .btn-icon{min-height:32px}

  /* Inline filter bars (OT/Leave approvals, Sessions tab): stack labels above
     compact inputs, allow horizontal scroll if user adds many filters */
  .filter-bar-inline{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .filter-bar-inline label{font-size:10px !important}
  .filter-bar-inline input,
  .filter-bar-inline select{font-size:14px !important;padding:6px 8px !important;min-width:110px}

  /* Inventory + KB filter bars: collapse to single column */
  .inv-filter-bar,.kb-filter-bar{padding:12px;gap:8px}
  .inv-filter-bar .form-group,.kb-filter-bar .form-group{min-width:0;flex:1 1 100%;width:100%}

  /* Manage Projects filter / status dropdowns inline with title */
  .flex-between>div{width:100%}

  /* Admin button rows: each button takes full width or two-per-row, never overflow */
  .card>div[style*="display:flex"][style*="flex-wrap:wrap"]>.btn{
    flex:1 1 calc(50% - 4px);justify-content:center;font-size:12px;
  }

  /* Request cards (approvals): stack header + actions */
  .request-card>div[style*="justify-content:space-between"]{flex-direction:column;gap:8px;align-items:stretch !important}
  .request-card>div[style*="justify-content:space-between"]>div:last-child{justify-content:flex-end;flex-wrap:wrap}

  /* Sub-tab nav bars (leave-sub, project subs): smooth horizontal scroll */
  div[style*="border-bottom"][style*="display:flex"]{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .leave-sub{flex-shrink:0}

  /* Sessions / Project Sessions tables: hide more low-priority columns */
  .table-wrap th:nth-last-child(-n+1),
  .table-wrap td:nth-last-child(-n+1){position:sticky;right:0;background:white}

  /* Login screen: use full available width on small phones */
  .login-card{padding:22px 18px;width:94%}
  .login-title{font-size:20px}
  .login-sub{font-size:12px;margin-bottom:18px}
  #login-form-signin .form-group input,
  #login-form-forgot .form-group input,
  #login-form-reset .form-group input{padding:12px !important}

  /* Modal action buttons: full-width-ish on small screens */
  .modal-actions{flex-direction:column-reverse;gap:8px}
  .modal-actions .btn{width:100%;justify-content:center}

  /* Notification badge: move slightly so it doesn't crowd the icon */
  .notif-badge{top:4px;right:0}
}

/* ══ Tighter MID breakpoint for tablets/large phones (480px) ══ */
@media(max-width:480px){
  .main{padding:10px 8px}
  .card{padding:12px;border-radius:10px;margin-bottom:12px}
  .header h1{font-size:13px}
  .header h1 span{display:none}
  .summary-grid{gap:8px}
  .stat-card{padding:12px}
  .stat-value{font-size:18px !important}
  .nav{padding:0 4px}
  .nav-tab{padding:11px 10px;font-size:11px}
  .preview-box{padding:10px;gap:8px}
  .preview-value{font-size:16px}
  .preview-label{font-size:9px}
  .modal{padding:16px 12px}
  .modal-title{font-size:14px}
  .login-card{padding:20px 14px}
  .pin-display{font-size:20px;letter-spacing:6px;padding:10px}
  .request-card{padding:10px}
  /* Quick actions: 2 buttons per row */
  .quick-actions-wrap .btn{flex:1 1 calc(50% - 4px);font-size:12px;padding:10px 8px;justify-content:center}
}