:root{--teal:#00A79D;--teal-d:#00877f;--teal-50:#e6f6f5;--navy:#2B3990;--navy-d:#1d2766;--ink:#14213d;--ink-2:#3d4a63;--muted:#6b7890;--line:#e3e8ef;--bg:#f4f7fa;--card:#fff;--red:#e5383b;--red-50:#fdecec;--amber:#b7791f;--amber-50:#fdf5e6;--green:#1f9254;--green-50:#e6f6ec;--r:14px;--shadow:0 6px 24px -12px rgba(20,33,61,.25)}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:Mukta,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.5;color:var(--ink-2);background:var(--bg)}
a{color:var(--teal-d)}
h1,h2,h3{color:var(--ink);margin:0 0 .4em;line-height:1.25}
h1{font-size:1.6rem}h2{font-size:1.25rem}h3{font-size:1.05rem}
button,input,select,textarea{font:inherit}
svg{fill:currentColor}
.boot{display:grid;place-items:center;min-height:100vh;color:var(--muted)}

/* Login */
.login{min-height:100vh;display:grid;place-items:center;padding:16px;background:radial-gradient(800px 500px at 90% 0%,rgba(0,167,157,.18),transparent 60%),radial-gradient(700px 500px at 0% 100%,rgba(43,57,144,.16),transparent 60%),var(--bg)}
.login-card{width:100%;max-width:400px;background:#fff;border-radius:22px;padding:34px 28px;box-shadow:0 30px 60px -25px rgba(20,33,61,.35)}
.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.login-logo img{width:44px;height:44px}
.login-logo b{display:block;color:var(--ink);font-size:1.1rem;line-height:1.1}
.login-logo small{color:var(--muted)}

/* Layout */
.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--navy-d);color:#c8cff5;padding:18px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:4px}
.side .brand{display:flex;align-items:center;gap:10px;padding:6px 10px 18px;color:#fff;text-decoration:none}
.side .brand img{width:34px;height:34px}
.side .brand b{display:block;line-height:1.1}
.side .brand small{color:#9aa5df;font-size:.78rem}
.side a.nav{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:#c8cff5;text-decoration:none;font-weight:600}
.side a.nav svg{width:19px;height:19px;opacity:.85;flex:none}
.side a.nav:hover{background:rgba(255,255,255,.07);color:#fff}
.side a.nav.active{background:var(--teal);color:#fff}
.side .count{margin-left:auto;background:var(--red);color:#fff;font-size:.72rem;border-radius:999px;padding:0 7px;line-height:1.6}
.side .me{margin-top:auto;padding:12px;border-top:1px solid rgba(255,255,255,.1);font-size:.9rem}
.side .me b{color:#fff;display:block}
.side .me button{margin-top:8px}
.main{padding:24px 28px 80px;min-width:0}
.topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.crumb{color:var(--muted);font-size:.9rem;margin-bottom:4px}
.crumb a{text-decoration:none}
.mtop{display:none}

/* Elements */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:18px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;display:block}
.stat b{display:block;font-size:2rem;color:var(--ink);line-height:1.1}
.stat span{color:var(--muted);font-size:.92rem}
.stat.hl{background:linear-gradient(135deg,var(--teal),var(--navy));border:0}
.stat.hl b,.stat.hl span{color:#fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1.5px solid transparent;border-radius:10px;padding:9px 16px;font-weight:700;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s}
.btn svg{width:18px;height:18px}
.btn-p{background:var(--teal);color:#fff}.btn-p:hover{background:var(--teal-d)}
.btn-n{background:var(--navy);color:#fff}
.btn-o{background:#fff;color:var(--ink);border-color:var(--line)}.btn-o:hover{border-color:var(--teal)}
.btn-d{background:#fff;color:var(--red);border-color:#f3c5c6}.btn-d:hover{background:var(--red-50)}
.btn-ghost{background:transparent;color:#c8cff5;border-color:rgba(255,255,255,.2);padding:6px 12px;font-size:.88rem}
.btn-sm{padding:6px 11px;font-size:.88rem}
.btn-block{width:100%}
.btn:disabled{opacity:.6;cursor:wait}
label.f{display:block;font-weight:600;color:var(--ink);font-size:.92rem;margin-bottom:12px}
label.f input,label.f select,label.f textarea,.inp{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;background:#fbfcfd;color:var(--ink);font-size:16px}
label.f input:focus,label.f select:focus,label.f textarea:focus,.inp:focus{outline:none;border-color:var(--teal);background:#fff}
.req::after{content:" *";color:var(--red)}
.hint{color:var(--muted);font-size:.85rem;font-weight:400}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.err{color:var(--red);font-weight:600;min-height:1.4em;margin:6px 0 0}
.tbl{width:100%;border-collapse:collapse;font-size:.95rem}
.tbl th{text-align:left;color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;padding:10px 12px;border-bottom:1px solid var(--line);background:#fafbfc}
.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr.click{cursor:pointer}.tbl tr.click:hover td{background:var(--teal-50)}
.tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.pill{display:inline-block;padding:1px 10px;border-radius:999px;font-size:.8rem;font-weight:700;background:#eef1f6;color:var(--ink-2);white-space:nowrap}
.pill.green{background:var(--green-50);color:var(--green)}.pill.amber{background:var(--amber-50);color:var(--amber)}
.pill.red{background:var(--red-50);color:var(--red)}.pill.teal{background:var(--teal-50);color:var(--teal-d)}.pill.navy{background:#e8ebfa;color:var(--navy)}
.muted{color:var(--muted)}
.empty{text-align:center;color:var(--muted);padding:30px 10px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tab{border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 14px;cursor:pointer;font-weight:600;color:var(--ink-2);font-size:.92rem}
.tab.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.tab .n{opacity:.7;margin-left:4px;font-weight:500}
.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:12px 18px}
.kv div small{display:block;color:var(--muted);font-size:.8rem}
.kv div b{color:var(--ink);font-weight:600}

/* Upload */
.drop{border:2px dashed #c9d3df;border-radius:var(--r);padding:22px;text-align:center;background:#fbfcfd;transition:.15s}
.drop.over{border-color:var(--teal);background:var(--teal-50)}
.drop p{margin:6px 0}
.picked{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;justify-content:center}
.picked span{background:#eef1f6;border-radius:8px;padding:3px 9px;font-size:.85rem}
.progress{height:8px;background:#eef1f6;border-radius:99px;overflow:hidden;margin-top:10px;display:none}
.progress i{display:block;height:100%;width:0;background:var(--teal);transition:width .2s}
.files{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
.file{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.file .thumb{aspect-ratio:4/3;background:#eef1f6;display:grid;place-items:center;color:var(--muted);font-weight:800;font-size:1.1rem;cursor:pointer;overflow:hidden}
.file .thumb img{width:100%;height:100%;object-fit:cover}
.file .meta{padding:8px 10px;font-size:.82rem;flex:1}
.file .meta b{display:block;color:var(--ink);font-size:.88rem;word-break:break-word;line-height:1.3}
.file .acts{display:flex;border-top:1px solid var(--line)}
.file .acts a,.file .acts button{flex:1;text-align:center;padding:7px;font-size:.82rem;font-weight:700;background:none;border:0;color:var(--teal-d);cursor:pointer;text-decoration:none}
.file .acts button.del{color:var(--red);border-left:1px solid var(--line)}

/* Modal / viewer */
.modal{position:fixed;inset:0;background:rgba(10,16,35,.7);display:grid;place-items:center;z-index:100;padding:16px}
.modal .box{background:#fff;border-radius:18px;max-width:560px;width:100%;max-height:90vh;overflow:auto;padding:22px}
.viewer{position:fixed;inset:0;background:rgba(10,16,35,.92);z-index:100;display:flex;flex-direction:column}
.viewer .bar{display:flex;gap:10px;align-items:center;padding:10px 14px;color:#fff}
.viewer .bar b{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.viewer .stage{flex:1;display:grid;place-items:center;padding:10px;min-height:0}
.viewer img{max-width:100%;max-height:100%;object-fit:contain}
.viewer iframe{width:100%;height:100%;border:0;background:#fff;border-radius:8px}
#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(30px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:12px;font-weight:600;opacity:0;transition:.25s;z-index:200;max-width:90vw;pointer-events:none}
#toast.show{opacity:1;transform:translateX(-50%)}
#toast.bad{background:var(--red)}

/* Mobile */
@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:260px;z-index:90;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none;box-shadow:0 0 0 100vmax rgba(10,16,35,.5)}
  .mtop{display:flex;align-items:center;gap:10px;background:var(--navy-d);color:#fff;padding:10px 14px;position:sticky;top:0;z-index:80}
  .mtop button{background:none;border:0;color:#fff;padding:6px;cursor:pointer}
  .mtop b{flex:1}
  .main{padding:16px 14px 80px}
  .g4{grid-template-columns:1fr 1fr}.g3,.g2{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr 1fr}
  .hide-m{display:none}
  .files{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){#ftabs,#stabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}#ftabs .tab,#stabs .tab{flex:none}}

/* App (PWA) additions */
.install-btn{margin-top:10px}
.side .install-btn{display:flex;margin-top:8px}
.side .install-btn[hidden],.install-btn[hidden]{display:none}
.bnav{display:none}
@media (max-width:900px){
  .main{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
  .mtop{padding-top:calc(10px + env(safe-area-inset-top))}
  .bnav{display:grid;grid-template-columns:repeat(5,1fr);align-items:end;position:fixed;left:0;right:0;bottom:0;z-index:85;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px -14px rgba(20,33,61,.35);padding:6px 6px calc(6px + env(safe-area-inset-bottom))}
  .bnav a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;color:var(--muted);text-decoration:none;font-size:.72rem;font-weight:700;border-radius:12px}
  .bnav a svg{width:22px;height:22px}
  .bnav a.active{color:var(--teal-d)}
  .bnav a.bnav-add{align-self:center;justify-self:center;width:54px;height:54px;margin-top:-26px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--navy));color:#fff;justify-content:center;box-shadow:0 10px 22px -8px rgba(0,167,157,.8)}
  .bnav a.bnav-add svg{width:28px;height:28px}
  .bnav a.bnav-add.active{color:#fff}
  #toast{bottom:calc(92px + env(safe-area-inset-bottom))}
}
html.standalone body{-webkit-user-select:none;user-select:none}
html.standalone input,html.standalone textarea{-webkit-user-select:text;user-select:text}

/* HR module */
.side{overflow-y:auto}
.nav-sec{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:#7f8bc9;font-weight:700;padding:14px 12px 4px}
.punch-card{background:linear-gradient(135deg,var(--navy-d),#123a5c);color:#dfe5ff;border-radius:20px;padding:22px;margin-bottom:18px;position:relative;overflow:hidden}
.punch-card h2{color:#fff;margin:0 0 2px}
.punch-card .clock{font-size:2.6rem;font-weight:800;color:#fff;line-height:1.1;margin:8px 0 2px;font-variant-numeric:tabular-nums}
.punch-card .meta{display:flex;gap:18px;flex-wrap:wrap;margin:12px 0 16px;font-size:.95rem}
.punch-card .meta b{display:block;color:#fff;font-size:1.15rem}
.punch-btn{width:100%;border:0;border-radius:16px;padding:18px;font-size:1.25rem;font-weight:800;cursor:pointer;color:#fff;background:linear-gradient(135deg,var(--teal),#14c4b6);box-shadow:0 14px 28px -12px rgba(0,167,157,.9);display:flex;align-items:center;justify-content:center;gap:10px}
.punch-btn.out{background:linear-gradient(135deg,#e5383b,#ff6b6b);box-shadow:0 14px 28px -12px rgba(229,56,59,.9)}
.punch-btn svg{width:26px;height:26px}
.punch-btn:disabled{opacity:.6}
.st{display:inline-block;min-width:34px;text-align:center;padding:1px 6px;border-radius:7px;font-weight:800;font-size:.78rem;background:#eef1f6;color:var(--ink-2)}
.st-P{background:var(--green-50);color:var(--green)}.st-L{background:var(--amber-50);color:var(--amber)}.st-HD{background:#fff1e0;color:#c26a00}
.st-A{background:var(--red-50);color:var(--red)}.st-C{background:#efe8fb;color:#6b3fa0}.st-OFF{background:#eef1f6;color:var(--muted)}.st-LV{background:#e8ebfa;color:var(--navy)}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal .dow{font-size:.75rem;color:var(--muted);text-align:center;font-weight:700}
.cal .day{background:#fff;border:1px solid var(--line);border-radius:10px;min-height:58px;padding:5px;font-size:.78rem;display:flex;flex-direction:column;gap:3px}
.cal .day.today{border-color:var(--teal);box-shadow:0 0 0 2px var(--teal-50)}
.cal .day .n{font-weight:700;color:var(--ink)}
.grid-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);max-height:70vh}
.rgrid{border-collapse:separate;border-spacing:0;font-size:.85rem;min-width:100%}
.rgrid th,.rgrid td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:6px 6px;text-align:center;white-space:nowrap}
.rgrid th{position:sticky;top:0;background:#fafbfc;z-index:2;font-weight:700;color:var(--muted);font-size:.75rem}
.rgrid td.nm,.rgrid th.nm{position:sticky;left:0;background:#fff;z-index:1;text-align:left;min-width:160px}
.rgrid th.nm{z-index:3;background:#fafbfc}
.rgrid td.nm small{display:block;color:var(--muted)}
.rgrid select{border:1px solid var(--line);border-radius:7px;padding:4px 2px;font-size:.85rem;font-weight:700;background:#fff;width:58px}
.rgrid .wk{background:#fbfcfd}
.rgrid tr.dept td{background:var(--teal-50);text-align:left;font-weight:700;color:var(--teal-d);position:sticky;left:0}
.sw{display:inline-block;width:12px;height:12px;border-radius:4px;vertical-align:middle;margin-right:6px}
.flag{color:var(--red);font-weight:800}
.consent{background:#fffaf0;border:1px solid #f3dfb6}
.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin:8px 0}
.switch{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);margin-bottom:12px}
.switch input{width:20px;height:20px;accent-color:var(--teal)}