/* ===================================================================
   Sistem desain PWA Presensi Guru. Light = default, Dark via
   [data-theme="dark"]. Mobile-first, app shell + bottom nav.
   =================================================================== */
:root{
  --bg1:#eef2f7; --bg2:#e2e8f0;
  --surface:#ffffff; --surface2:#f8fafc;
  --text:#0f172a; --muted:#64748b; --border:#e5e9f0;
  --brand:#7c3aed; --brand2:#4f46e5; --accent:#2563eb;
  --green:#16a34a; --green-bg:#dcfce7; --green-fg:#166534;
  --orange:#ea580c; --orange-bg:#ffedd5; --orange-fg:#9a3412;
  --grey-bg:#e2e8f0; --grey-fg:#475569;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.04);
  --nav-h:64px;
}
:root[data-theme="dark"]{
  --bg1:#0a1122; --bg2:#0f1a30;
  --surface:#141f36; --surface2:#1b2942;
  --text:#e8eefc; --muted:#93a4c3; --border:#243350;
  --brand:#7c3aed; --brand2:#6366f1; --accent:#38bdf8;
  --green:#22c55e; --green-bg:#0c3a24; --green-fg:#6ee7b7;
  --orange:#f97316; --orange-bg:#4a2410; --orange-fg:#fdba74;
  --grey-bg:#24324a; --grey-fg:#93a4c3;
  --shadow:0 2px 8px rgba(0,0,0,.35);
}
/* Bila belum pernah memilih, ikuti sistem HANYA untuk gelap (Light tetap default) */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]):not([data-theme="dark"]){
    --bg1:#0a1122; --bg2:#0f1a30; --surface:#141f36; --surface2:#1b2942;
    --text:#e8eefc; --muted:#93a4c3; --border:#243350;
    --green-bg:#0c3a24; --green-fg:#6ee7b7; --orange-bg:#4a2410; --orange-fg:#fdba74;
    --grey-bg:#24324a; --grey-fg:#93a4c3; --shadow:0 2px 8px rgba(0,0,0,.35);
  }
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg1),var(--bg2));
  background-attachment:fixed;
  -webkit-tap-highlight-color:transparent;
  padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));
}
.app{max-width:480px;margin:0 auto;min-height:100vh}

/* ---- Header ---- */
.appbar{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(180deg,var(--bg1),transparent);
  backdrop-filter:blur(8px);
  padding:1rem 1.1rem .6rem;
  display:flex;align-items:center;gap:.6rem;
}
.appbar .dot{width:10px;height:10px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 rgba(34,197,94,.5);animation:pulse 2.2s infinite;flex:none}
@keyframes pulse{70%{box-shadow:0 0 0 7px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.appbar .title{font-weight:800;font-size:1.05rem;line-height:1.1}
.appbar .subtitle{font-size:.8rem;color:var(--muted)}
.appbar .spacer{margin-left:auto}
.iconbtn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface);color:var(--text);display:grid;place-items:center;
  cursor:pointer;box-shadow:var(--shadow)
}
.iconbtn svg{width:20px;height:20px}

/* ---- Konten ---- */
main{padding:.4rem 1.1rem 1.5rem}
.greet{font-size:1.5rem;font-weight:800;margin:.6rem 0 .15rem}
.date{color:var(--muted);font-size:.9rem;display:flex;align-items:center;gap:.4rem;margin-bottom:1rem}

/* ---- Stat cards ---- */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-bottom:1rem}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:.9rem;box-shadow:var(--shadow)}
.stat .ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;margin-bottom:.6rem}
.stat .ic.g{background:var(--green-bg);color:var(--green-fg)}
.stat .ic.b{background:rgba(37,99,235,.12);color:var(--accent)}
.stat .ic svg{width:20px;height:20px}
.stat .lbl{color:var(--muted);font-size:.82rem}
.stat .val{font-size:1.7rem;font-weight:800;line-height:1.1;margin-top:.1rem}

/* ---- Tombol utama ---- */
.btn-primary{
  display:flex;align-items:center;justify-content:center;gap:.5rem;width:100%;
  padding:.95rem;border:none;border-radius:16px;cursor:pointer;
  color:#fff;font-size:1rem;font-weight:700;text-decoration:none;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow:0 6px 18px rgba(124,58,237,.35)
}
.btn-primary svg{width:18px;height:18px}

/* ---- Section head ---- */
.sec{display:flex;align-items:center;margin:1.4rem 0 .7rem}
.sec h2{font-size:1.05rem;font-weight:800;margin:0}
.sec .act{margin-left:auto}

/* ---- Activity card ---- */
.feed{display:flex;flex-direction:column;gap:.7rem}
.item{display:flex;align-items:center;gap:.8rem;background:var(--surface);
  border:1px solid var(--border);border-radius:16px;padding:.75rem .85rem;box-shadow:var(--shadow)}
.avatar{width:46px;height:46px;border-radius:50%;flex:none;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:.95rem}
.item .info{min-width:0;flex:1}
.item .nm{font-weight:700;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.item .meta{color:var(--muted);font-size:.8rem}
.item .meta .pin{font-weight:600}
.item .meta .time{display:inline-flex;align-items:center;gap:.25rem;margin-top:.1rem}
.badge{flex:none;padding:.35rem .7rem;border-radius:99px;font-size:.78rem;font-weight:700}
.badge.datang{background:var(--green-bg);color:var(--green-fg)}
.badge.pulang{background:var(--orange-bg);color:var(--orange-fg)}
.empty{color:var(--muted);text-align:center;padding:2rem 0}

/* ---- Bottom nav ---- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  height:calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--surface);border-top:1px solid var(--border);
  display:flex;
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.15rem;
  color:var(--muted);text-decoration:none;font-size:.72rem;font-weight:600
}
.tabbar a svg{width:22px;height:22px}
.tabbar a.active{color:var(--accent)}
.tabbar a.active svg{stroke:var(--accent)}

/* ---- Util & form (dipakai rekap/pengaturan) ---- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:1rem;box-shadow:var(--shadow)}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.86rem}
th,td{padding:.5rem .6rem;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}
th{color:var(--muted);font-weight:700;background:var(--surface2)}
.tepat{color:var(--green);font-weight:700}
.terlambat{color:var(--orange);font-weight:700}
.libur{color:var(--muted);font-weight:700}
input,select,button{font:inherit}
.field{background:var(--surface2);color:var(--text);border:1px solid var(--border);
  border-radius:10px;padding:.5rem .6rem}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem .8rem;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  text-decoration:none;cursor:pointer;font-weight:600;font-size:.9rem}
.btn.brand{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border:none}
.btn.accent{background:var(--accent);color:#fff;border:none}