:root{
    --ink:#0E2F56;
    --slate:#4C5A72;
    --slate-light:#8695AC;
    --paper:#F4F7FB;
    --line:#DEE6F0;
    --card:#FFFFFF;
    --amber:#1565D8;
    --amber-dark:#0F4DAA;
    --emerald:#1E9E64;
    --emerald-bg:#E4F7EC;
    --sky:#2E86D8;
    --sky-bg:#E8F2FD;
    --coral:#D93A3A;
    --coral-bg:#FCEAEA;
    --grey-bg:#EEF1F5;
    --shadow-sm: 0 1px 2px rgba(14,47,86,.06);
    --shadow-md: 0 4px 14px rgba(14,47,86,.08);
    --radius:10px;
  }
  *{box-sizing:border-box;}
  body{margin:0;font-family:'IBM Plex Sans',sans-serif;background:var(--paper);color:var(--ink);}
  h1,h2,h3,.serif{font-family:'Source Serif 4',serif;}
  .mono{font-family:'IBM Plex Mono',monospace;}
  a{color:inherit;}
  button{font-family:inherit;cursor:pointer;}
  ::selection{background:var(--amber);color:#fff;}

  /* ===== Layout shells ===== */
  #app{min-height:100vh;}
  .hidden{display:none !important;}

  /* ===== Landing ===== */
  .nav{display:flex;align-items:center;justify-content:space-between;padding:22px 48px;border-bottom:1px solid var(--line);}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:.2px;}
  .brand .mark{width:30px;height:30px;background:var(--ink);border-radius:6px;position:relative;flex-shrink:0;}
  .brand .mark:before{content:"";position:absolute;left:7px;top:6px;width:16px;height:3px;background:var(--amber);}
  .brand .mark:after{content:"";position:absolute;left:7px;top:13px;width:10px;height:3px;background:#fff;opacity:.6;}
  .nav-actions{display:flex;gap:10px;}

  .btn{border:none;border-radius:8px;padding:10px 18px;font-size:14.5px;font-weight:600;transition:transform .12s ease, background .15s ease, box-shadow .15s ease;}
  .btn:active{transform:scale(.97);}
  .btn-primary{background:var(--ink);color:#fff;}
  .btn-primary:hover{background:#123863;}
  .btn-amber{background:var(--amber);color:#fff;box-shadow:var(--shadow-sm);}
  .btn-amber:hover{background:var(--amber-dark);box-shadow:var(--shadow-md);}
  .btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line);}
  .btn-ghost:hover{border-color:var(--slate-light);background:#fff;}
  .btn-sm{padding:6px 12px;font-size:13px;border-radius:6px;}
  .btn-danger{background:transparent;color:var(--coral);border:1px solid var(--coral-bg);}
  .btn-danger:hover{background:var(--coral-bg);}
  .btn-block{width:100%;}

  .hero{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;padding:70px 48px 40px;max-width:1280px;margin:0 auto;align-items:center;}
  .hero h1{font-size:52px;line-height:1.08;font-weight:600;margin:0 0 20px;max-width:520px;}
  .hero p.lede{color:var(--slate);font-size:17px;line-height:1.6;max-width:460px;margin:0 0 30px;}
  .hero-ctas{display:flex;gap:12px;margin-bottom:36px;}
  .stat-row{display:flex;gap:34px;}
  .stat-row div b{display:block;font-family:'Source Serif 4',serif;font-size:26px;}
  .stat-row div span{color:var(--slate-light);font-size:12.5px;}

  .ticker{background:var(--ink);border-radius:16px;padding:26px;color:#fff;position:relative;overflow:hidden;}
  .ticker .tick-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:#aab4cc;font-size:12.5px;}
  .tick-row{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-top:1px solid rgba(255,255,255,.09);}
  .tick-row:first-of-type{border-top:none;}
  .dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0;}
  .tick-row b{display:block;font-size:14px;font-weight:600;}
  .tick-row span{font-size:12.5px;color:#9aa5c0;}
  .tick-badge{margin-left:auto;font-size:11px;padding:3px 9px;border-radius:20px;white-space:nowrap;height:fit-content;}

  .roles{max-width:1280px;margin:20px auto 90px;padding:0 48px;}
  .roles h2{font-size:14px;text-transform:none;color:var(--slate);font-weight:600;letter-spacing:.2px;margin-bottom:22px;font-family:'IBM Plex Sans',sans-serif;}
  .role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .role-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;transition:border-color .15s ease, transform .15s ease;}
  .role-card:hover{border-color:var(--slate-light);transform:translateY(-2px);}
  .role-card .idx{font-family:'IBM Plex Mono',monospace;color:var(--amber);font-size:13px;margin-bottom:14px;}
  .role-card h3{font-size:20px;margin:0 0 10px;font-weight:600;}
  .role-card ul{margin:0;padding-left:18px;color:var(--slate);font-size:13.6px;line-height:1.75;}
  .role-card ul li{margin-bottom:2px;}

  footer.landing-footer{border-top:1px solid var(--line);padding:26px 48px;color:var(--slate-light);font-size:13px;display:flex;justify-content:space-between;max-width:1280px;margin:0 auto;}

  /* ===== Auth screens ===== */
  .auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;}
  .auth-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:38px;}
  .auth-card h2{margin:2px 0 6px;font-size:26px;}
  .auth-card p.sub{color:var(--slate);font-size:14px;margin:0 0 26px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink);}
  .field .hint{font-size:12px;color:var(--slate-light);margin-top:5px;}
  input[type=text],input[type=email],input[type=password],input[type=date],input[type=tel],select,textarea{
    width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink);
  }
  input:focus,select:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:1px;}
  textarea{resize:vertical;min-height:70px;}
  .error-box{background:var(--coral-bg);color:#9c3b3b;padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:16px;}
  .switch-line{text-align:center;margin-top:20px;font-size:13.5px;color:var(--slate);}
  .switch-line button{background:none;border:none;color:var(--ink);font-weight:600;text-decoration:underline;padding:0;font-size:13.5px;}
  .verify-icon{width:52px;height:52px;border-radius:50%;background:var(--emerald-bg);display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:24px;}

  /* ===== Dashboard shell ===== */
  .dash{display:grid;grid-template-columns:230px 1fr;min-height:100vh;}
  .sidebar{background:linear-gradient(180deg,var(--ink),#0A2647);color:#fff;padding:24px 16px;display:flex;flex-direction:column;}
  .sidebar .brand{color:#fff;padding:0 8px 26px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:18px;}
  .sidebar .brand .mark{background:#fff;}
  .sidebar .brand .mark:before{background:var(--amber);}
  .sidebar .brand .mark:after{background:var(--ink);opacity:1;}
  .side-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:#c3caDD;font-size:14px;font-weight:500;margin-bottom:2px;transition:background .12s ease, color .12s ease;}
  .side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
  .side-link.active{background:var(--amber);color:#fff;box-shadow:var(--shadow-sm);}
  .side-link .ic{width:18px;text-align:center;}
  .sidebar-spacer{flex:1;}
  .side-user{border-top:1px solid rgba(255,255,255,.12);padding-top:14px;margin-top:10px;}
  .side-user b{display:block;font-size:13.5px;}
  .side-user span{font-size:12px;color:#98A2BE;}
  .side-user button{margin-top:10px;background:none;border:1px solid rgba(255,255,255,.2);color:#dfe3ee;padding:6px 10px;border-radius:6px;font-size:12.5px;width:100%;}
  .side-user button:hover{background:rgba(255,255,255,.08);}

  .main{padding:30px 40px;max-width:1180px;}
  .page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px;}
  .page-head h1{font-size:28px;margin:0 0 4px;}
  .page-head p{color:var(--slate);font-size:14px;margin:0;}

  .stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px;}
  .stat-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow-sm);transition:box-shadow .15s ease, transform .15s ease;}
  .stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
  .stat-card b{font-family:'Source Serif 4',serif;font-size:30px;display:block;}
  .stat-card span{font-size:13px;color:var(--slate);}
  .stat-card .bar{height:3px;border-radius:2px;margin-bottom:10px;width:34px;}
  .stat-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:12px;}

  .welcome-banner{background:linear-gradient(120deg,var(--ink),#124583);border-radius:14px;padding:26px 30px;color:#fff;display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;box-shadow:var(--shadow-md);}
  .welcome-banner h1{margin:0 0 4px;color:#fff;}
  .welcome-banner p{margin:0;color:#C9D9EE;font-size:14px;}
  .welcome-banner .btn-amber{background:#fff;color:var(--ink);}
  .welcome-banner .btn-amber:hover{background:#EAF1FB;}

  .panel{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);}
  .panel-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);}
  .panel-head h3{margin:0;font-size:16px;font-weight:600;font-family:'IBM Plex Sans';}
  .filters{display:flex;gap:8px;padding:14px 20px 0;flex-wrap:wrap;}
  .chip{border:1px solid var(--line);background:#fff;padding:6px 13px;border-radius:20px;font-size:12.5px;font-weight:500;color:var(--slate);}
  .chip.active{background:var(--ink);color:#fff;border-color:var(--ink);}

  table{width:100%;border-collapse:collapse;}
  th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--slate-light);padding:12px 20px;border-bottom:1px solid var(--line);font-weight:600;}
  td{padding:14px 20px;border-bottom:1px solid var(--line);font-size:13.8px;vertical-align:middle;}
  tr:last-child td{border-bottom:none;}
  tr:hover td{background:#FAFBFD;}
  .badge{display:inline-block;padding:4px 11px;border-radius:20px;font-size:12px;font-weight:600;}
  .badge-done{background:var(--emerald-bg);color:var(--emerald);}
  .badge-progress{background:var(--sky-bg);color:var(--sky);}
  .badge-pending{background:var(--grey-bg);color:var(--slate);}
  .badge-approval{background:var(--coral-bg);color:var(--coral);}
  .row-actions{display:flex;gap:6px;}
  .icon-btn{width:28px;height:28px;border-radius:6px;border:1px solid var(--line);background:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;}
  .icon-btn:hover{background:var(--grey-bg);}
  .empty-state{padding:50px 20px;text-align:center;color:var(--slate-light);}
  .empty-state b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px;}
  .assigned-tag{font-size:11.5px;color:var(--coral);background:var(--coral-bg);padding:2px 8px;border-radius:5px;margin-left:6px;}

  /* Modal */
  .modal-overlay{position:fixed;inset:0;background:rgba(20,26,45,.5);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;}
  .modal{background:#fff;border-radius:14px;max-width:560px;width:100%;max-height:88vh;overflow-y:auto;}
  .modal-head{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line);}
  .modal-head h3{margin:0;font-size:18px;}
  .modal-close{background:none;border:none;font-size:20px;color:var(--slate);}
  .modal-body{padding:22px 24px;}
  .modal-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}

  .comment{display:flex;gap:10px;margin-bottom:14px;}
  .avatar{width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex-shrink:0;}
  .avatar.admin{background:var(--amber);}
  .comment-body{background:var(--grey-bg);border-radius:10px;padding:9px 13px;flex:1;}
  .comment-body b{font-size:13px;}
  .comment-body .meta{font-size:11px;color:var(--slate-light);margin-left:6px;}
  .comment-body p{margin:4px 0 0;font-size:13.5px;}
  .detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;margin-bottom:18px;font-size:13.5px;}
  .detail-grid div span{display:block;color:var(--slate-light);font-size:11.5px;margin-bottom:2px;}

  .profile-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:28px;max-width:640px;}
  .profile-head{display:flex;gap:16px;align-items:center;margin-bottom:24px;}
  .profile-avatar{width:60px;height:60px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:600;font-family:'Source Serif 4',serif;}

  .placeholder-dash{display:flex;align-items:center;justify-content:center;min-height:100vh;flex-direction:column;text-align:center;gap:14px;background:var(--paper);}
  .placeholder-dash .tag{background:var(--amber);color:#fff;padding:5px 14px;border-radius:20px;font-size:12px;font-weight:600;}

  @media(max-width:920px){
    .hero{grid-template-columns:1fr;}
    .role-grid{grid-template-columns:1fr;}
    .stat-cards{grid-template-columns:1fr 1fr;}
    .dash{grid-template-columns:1fr;}
    .sidebar{display:none;}
    .form-row{grid-template-columns:1fr;}
  }