:root{
  --primary:#0b6b57;--primary2:#0f8a70;--ink:#153047;--muted:#6a7b8d;
  --bg:#f4f7f8;--card:#fff;--line:#dfe8eb;--danger:#b42318;--warn:#b54708;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--ink);min-height:100vh}
button,input,select,textarea{font:inherit} button{cursor:pointer}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);padding:12px max(16px,env(safe-area-inset-left));
  display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:10px}.brand img{width:42px;height:42px;border-radius:12px}
.brand strong{display:block}.brand small{display:block;color:var(--muted);margin-top:2px}
.top-actions{display:flex;gap:8px}.shell{max-width:1180px;margin:auto;padding:24px 16px 60px}
.auth-card{display:grid;grid-template-columns:1.2fr .8fr;background:var(--card);border-radius:24px;overflow:hidden;
  box-shadow:0 22px 60px rgba(23,54,78,.12);min-height:520px}
.hero{padding:52px;background:linear-gradient(135deg,#0b6b57,#143f57);color:#fff;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(2rem,5vw,4.2rem);line-height:1.02;margin:12px 0}.hero p{font-size:1.08rem;max-width:620px;opacity:.88}
.login-panel{padding:42px;display:flex;flex-direction:column;justify-content:center}
h2,h3{margin-top:0}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;font-weight:800;opacity:.8}
label{display:block;font-weight:700;margin:14px 0 6px}input,select,textarea{
  width:100%;border:1px solid #cfdce1;border-radius:12px;padding:12px 13px;background:#fff;color:var(--ink)
}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(15,138,112,.15);border-color:var(--primary2)}
.btn{border:0;border-radius:12px;padding:11px 15px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:#274b63;color:#fff}
.btn.ghost{background:#eef4f5;color:#29495e}.btn.danger{background:#fde8e7;color:var(--danger)}
.block{width:100%;margin-top:16px}.hidden{display:none!important}.demo-box{margin-top:18px;background:#f3f7f8;padding:13px;border-radius:12px;color:var(--muted);line-height:1.55}
.welcome-card{background:linear-gradient(135deg,#0b6b57,#174f64);color:#fff;border-radius:20px;padding:24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.welcome-card p{margin-bottom:0;opacity:.82}
.status-badge{padding:9px 12px;border-radius:999px;font-weight:800;white-space:nowrap}.status-badge.neutral{background:#edf2f3;color:#536878}
.status-badge.ok{background:#d6f5e8;color:#076b4a}.status-badge.warn{background:#fff0d8;color:#9a4d00}
.tabs{display:flex;gap:8px;overflow:auto;padding-bottom:8px;margin:0 0 14px}.tab{border:0;border-radius:999px;background:#e7eef0;
  color:#40596a;padding:10px 15px;font-weight:800;white-space:nowrap}.tab.active{background:var(--primary);color:#fff}
.grid{display:grid;gap:16px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--card);border:1px solid rgba(215,228,232,.9);border-radius:18px;padding:20px;
  box-shadow:0 8px 28px rgba(30,70,93,.06);margin-bottom:16px}
.metric span{display:block;color:var(--muted);font-weight:700}.metric strong{display:block;font-size:1.9rem;margin-top:8px;color:var(--primary)}
.attendance-summary{background:#f2f8f6;padding:14px;border-radius:14px;line-height:1.55;margin-bottom:16px}
.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.camera-box{border:1px dashed #b9cbd1;border-radius:14px;padding:14px}
.selfie-preview{width:100%;max-height:260px;object-fit:cover;border-radius:12px;margin-top:12px}
.location-box{padding:14px;border-radius:14px;background:#f7fafb;line-height:1.55;min-height:86px}
.mini-note{font-size:.88rem;color:var(--muted);margin-top:12px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.section-head.wrap{flex-wrap:wrap}.filters{display:flex;gap:8px;flex-wrap:wrap}.filters input,.filters select{width:auto}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);font-size:.91rem}
th{background:#f7fafb}.pill{background:#edf5f3;color:var(--primary);padding:6px 10px;border-radius:999px;font-weight:800}
.ai-box{background:linear-gradient(135deg,#eef8f5,#f5f8fb);border:1px solid #cfe3dd;border-radius:14px;padding:16px;line-height:1.65}
.activity,.leave-item,.list-item{border:1px solid var(--line);border-radius:14px;padding:13px;margin-top:10px}
.activity small,.leave-item small,.list-item small{color:var(--muted)}.leave-actions{display:flex;gap:8px;margin-top:10px}
.avatar{width:64px;height:64px;border-radius:18px;background:var(--primary);color:#fff;font-size:1.5rem;font-weight:900;display:grid;place-items:center}
.profile-card{display:flex;align-items:center;gap:16px}.file-btn{position:relative;overflow:hidden}.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translateX(-50%);
  background:#112f42;color:#fff;padding:12px 18px;border-radius:999px;box-shadow:0 12px 30px rgba(0,0,0,.2);z-index:40}
code{background:#e8eff1;padding:2px 5px;border-radius:6px}
@media(max-width:820px){
  .auth-card,.grid.two,.grid.three,.grid.four{grid-template-columns:1fr}.hero{padding:34px}.login-panel{padding:28px}
  .welcome-card{align-items:flex-start}.brand strong{font-size:.9rem}.brand small{font-size:.75rem}
}
@media(max-width:520px){
  .shell{padding:14px 10px 50px}.topbar{padding:10px}.topbar .btn{padding:8px 10px;font-size:.82rem}
  .hero{display:none}.auth-card{display:block;min-height:auto}.login-panel{padding:24px 18px}.welcome-card{padding:18px}
  .section-head{align-items:flex-start;flex-direction:column}.filters{width:100%}.filters input,.filters select,.filters .btn{width:100%}
}