@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
:root {
  --bg:       #0d0f14;
  --surface:  #13161e;
  --card:     #191d28;
  --hover:    #1e2333;
  --border:   #252a38;
  --borderl:  #2e3447;
  --text:     #e8eaf0;
  --text2:    #8892a4;
  --muted:    #525d72;
  --accent:   #4f7fff;
  --accenth:  #3d6ee8;
  --accglow:  rgba(79,127,255,.18);
  --success:  #10b981;
  --warning:  #f59e0b;
  --danger:   #ef4444;
  --info:     #06b6d4;
  --purple:   #8b5cf6;
  --sidebar:  260px;
  --topbar:   64px;
  --r:        10px;
  --rs:       6px;
  --shadow:   0 2px 16px rgba(0,0,0,.4);
  --tr:       .18s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;overflow-x:hidden}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;overflow-x:hidden}
a{color:var(--accent);text-decoration:none}a:hover{color:var(--accenth)}
img{max-width:100%}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);background:var(--surface);border-right:1px solid var(--border);position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:100;transition:transform var(--tr)}
.sidebar-brand{padding:18px 20px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.brand-icon{width:36px;height:36px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-size:18px}
.brand-name{font-size:1.1rem;font-weight:800;letter-spacing:-.02em}
.brand-sub{font-size:.62rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.sidebar-nav{flex:1;padding:10px 0;overflow-y:auto}
.nav-section{font-size:.62rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);padding:14px 20px 4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--text2);font-size:.85rem;font-weight:500;border-left:3px solid transparent;transition:all var(--tr)}
.nav-item:hover{background:var(--hover);color:var(--text)}
.nav-item.active{background:var(--accglow);color:var(--accent);border-left-color:var(--accent)}
.nav-item .icon{font-size:.95rem;width:18px;text-align:center}
.nav-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:.62rem;font-weight:700;padding:1px 6px;border-radius:20px}
.sidebar-footer{padding:14px 20px;border-top:1px solid var(--border)}
.user-info{display:flex;align-items:center;gap:10px}
.user-av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.78rem;color:#fff;flex-shrink:0}
.user-av img{width:34px;height:34px;border-radius:50%;object-fit:cover}
.user-name{font-size:.82rem;font-weight:600}
.user-role{font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99}

/* Main */
.main{margin-left:var(--sidebar);flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:var(--topbar);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:14px;position:sticky;top:0;z-index:90}
.topbar-title{font-size:1rem;font-weight:700;flex:1}
.topbar-actions{display:flex;align-items:center;gap:10px}
.icon-btn{width:36px;height:36px;background:var(--card);border:1px solid var(--border);border-radius:var(--rs);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1rem;position:relative;transition:all var(--tr);color:var(--text2);text-decoration:none}
.icon-btn:hover{background:var(--hover);color:var(--text)}
.notif-dot{position:absolute;top:5px;right:5px;width:7px;height:7px;background:var(--danger);border-radius:50%;border:2px solid var(--surface)}
.page{flex:1;padding:24px}
.hamburger{display:none;cursor:pointer;font-size:1.3rem;color:var(--text2);background:none;border:none}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.card-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}
.card-header h3{font-size:.88rem;font-weight:700;flex:1;min-width:0}
.card-body{padding:18px}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin-bottom:20px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:18px;display:flex;align-items:flex-start;gap:12px;min-width:0}
.stat-icon{width:42px;height:42px;border-radius:var(--rs);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.stat-val{font-size:1.6rem;font-weight:800;line-height:1}
.stat-lbl{font-size:.72rem;color:var(--muted);margin-top:3px}

/* Table */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.tbl{width:100%;border-collapse:collapse;font-size:.83rem}
table.tbl th{padding:9px 13px;text-align:left;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--border);white-space:nowrap}
table.tbl td{padding:11px 13px;border-bottom:1px solid var(--border);color:var(--text2)}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tr:hover td{background:var(--hover)}
.td-main{color:var(--text);font-weight:600}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--rs);font-size:.8rem;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all var(--tr);white-space:nowrap;text-decoration:none;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accenth)}
.btn-secondary{background:var(--hover);color:var(--text);border-color:var(--borderl)}.btn-secondary:hover{background:var(--border)}
.btn-success{background:rgba(16,185,129,.12);color:var(--success);border-color:rgba(16,185,129,.3)}.btn-success:hover{background:rgba(16,185,129,.22)}
.btn-danger{background:rgba(239,68,68,.1);color:var(--danger);border-color:rgba(239,68,68,.3)}.btn-danger:hover{background:rgba(239,68,68,.2)}
.btn-warning{background:rgba(245,158,11,.1);color:var(--warning);border-color:rgba(245,158,11,.3)}.btn-warning:hover{background:rgba(245,158,11,.2)}
.btn-sm{padding:4px 10px;font-size:.74rem}.btn-icon{padding:6px}.btn-w{width:100%;justify-content:center}

/* Forms */
.fg{margin-bottom:14px}
.fg label{display:block;font-size:.74rem;font-weight:600;color:var(--text2);margin-bottom:5px;text-transform:uppercase;letter-spacing:.04em}
.fc{width:100%;background:var(--bg);border:1px solid var(--borderl);border-radius:var(--rs);color:var(--text);padding:8px 11px;font-size:.85rem;font-family:inherit;transition:border-color var(--tr);outline:none}
.fc:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accglow)}
.fc::placeholder{color:var(--muted)}
select.fc{cursor:pointer}
textarea.fc{resize:vertical;min-height:80px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.frow3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.fhint{font-size:.7rem;color:var(--muted);margin-top:3px}

/* Alerts */
.alert{padding:10px 14px;border-radius:var(--rs);font-size:.83rem;margin-bottom:16px}
.alert-success{background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.3);color:#34d399}
.alert-danger{background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.3);color:#f87171}
.alert-warning{background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.3);color:#fbbf24}
.alert-info{background:rgba(79,127,255,.08);border:1px solid rgba(79,127,255,.3);color:#60a5fa}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);z-index:500;display:none;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(3px)}
.modal-overlay.open{display:flex}
.modal{background:var(--card);border:1px solid var(--borderl);border-radius:var(--r);width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow)}
.modal-lg{max-width:760px}
.modal-header{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.modal-header h3{flex:1;font-size:.92rem;font-weight:700}
.modal-body{padding:18px}
.modal-footer{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}

/* Page header */
.ph{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}
.ph h2{font-size:1.2rem;font-weight:800}
.ph p{font-size:.78rem;color:var(--muted);margin-top:2px}
.ph-actions{display:flex;gap:8px;flex-wrap:wrap}

/* Kanban */
.kanban{display:flex;gap:14px;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}
.kanban-col{flex-shrink:0;width:240px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);display:flex;flex-direction:column;max-height:calc(100vh - 160px)}
.kanban-col-header{padding:12px 14px;font-size:.8rem;font-weight:700;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.kanban-col-body{padding:8px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:6px}
.kanban-card{background:var(--card);border:1px solid var(--border);border-radius:var(--rs);padding:10px 12px;cursor:pointer;transition:border-color var(--tr)}
.kanban-card:hover{border-color:var(--accent)}
.kanban-card-title{font-size:.82rem;font-weight:600;margin-bottom:4px}
.kanban-card-sub{font-size:.72rem;color:var(--muted)}

/* Empty state */
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.empty-icon{font-size:2.5rem;margin-bottom:10px;opacity:.4}
.empty h4{font-size:.9rem;color:var(--text2);margin-bottom:4px}
.empty p{font-size:.78rem}

/* Misc */
.divider{height:1px;background:var(--border);margin:16px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.mb1{margin-bottom:10px}.mb2{margin-bottom:16px}.mb3{margin-bottom:24px}
.mt2{margin-top:16px}
.text-muted{color:var(--muted)}.text-sm{font-size:.78rem}.text-right{text-align:right}.text-center{text-align:center}
.font-bold{font-weight:700}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pill{display:inline-flex;align-items:center;padding:2px 9px;border-radius:20px;font-size:.7rem;font-weight:700}
.w-full{width:100%}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-thumb{background:var(--borderl);border-radius:3px}

/* Login page */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:16px}
.login-box{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:38px;width:100%;max-width:400px}
.login-logo{text-align:center;margin-bottom:26px}
.login-icon{width:54px;height:54px;background:linear-gradient(135deg,var(--accent),var(--purple));border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 12px}
.login-logo h1{font-size:1.5rem;font-weight:800}
.login-logo p{font-size:.78rem;color:var(--muted);margin-top:3px}

/* Progress bar */
.prog-wrap{background:var(--hover);border-radius:20px;height:6px;overflow:hidden}
.prog-fill{height:100%;border-radius:20px;background:linear-gradient(90deg,var(--accent),var(--purple));transition:width .4s ease}

/* Flash */
.flash{position:fixed;top:14px;right:14px;z-index:9999;padding:12px 18px;border-radius:var(--rs);font-size:.85rem;font-weight:600;box-shadow:var(--shadow);transition:opacity .3s}

/* Responsive */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-overlay.open{display:block}
  .main{margin-left:0}
  .hamburger{display:flex}
  .frow,.frow3,.grid2,.grid3{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .page{padding:14px}
  .ph{flex-direction:column}
  .kanban-col{width:210px}
}
@media(max-width:500px){
  .stats-grid{grid-template-columns:1fr}
  .modal{max-width:calc(100vw - 20px)}
  .login-box{padding:26px 18px}
}