/* ===========================================================
   Bina Sains SD Islam Pembangunan - gaya tampilan (mobile first)
   Warna utama: Ultramarine Blue #4166F5
   Struktur diadaptasi dari presensi-qlc (Gaya.html), dipertahankan supaya
   nyaman dipelihara oleh orang yang sudah biasa dengan aplikasi itu.
   =========================================================== */

:root {
  --utama: #4166F5;
  --utama-tua: #2E4ED6;
  --utama-muda: #EAEFFE;
  --utama-garis: #C9D6FB;

  --latar: #F4F6FB;
  --kartu: #FFFFFF;
  --teks: #16192B;
  --teks-samar: #5F6580;
  --garis: #E3E7F3;

  --hadir: #16A34A;
  --izin: #D97706;
  --sakit: #7C3AED;
  --alpa: #DC2626;

  --radius: 14px;
  --bayang: 0 1px 2px rgba(20, 30, 60, .06), 0 4px 14px rgba(20, 30, 60, .05);
  --lebar: 720px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0; padding: 0; width: 100%;
  background: var(--latar); color: var(--teks);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
body { overflow-wrap: break-word; word-break: break-word; }

.kartu, .baris-murid, .bilah-atas > div, .bilah-simpan .dalam > .info { min-width: 0; }
img, table { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--utama); }

.sembunyi { display: none !important; }
.pusat { text-align: center; }
.samar { color: var(--teks-samar); }
.kecil { font-size: 13px; }
.tebal { font-weight: 700; }

/* ---------- Memuat ---------- */
#pemuat {
  position: fixed; inset: 0; z-index: 90;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; background: var(--latar);
}
.putar {
  width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid var(--utama-garis); border-top-color: var(--utama);
  animation: putar .8s linear infinite;
}
@keyframes putar { to { transform: rotate(360deg); } }

/* ---------- Layar login ---------- */
#layar-login {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px 18px 40px;
  background:
    radial-gradient(900px 420px at 50% -10%, #DCE5FE 0%, rgba(220,229,254,0) 70%),
    var(--latar);
}
.kotak-login {
  width: 100%; max-width: 400px; background: var(--kartu);
  border-radius: 20px; padding: 30px 24px 26px;
  box-shadow: var(--bayang); border: 1px solid var(--garis);
}
.kotak-login .lambang {
  width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 14px; padding: 6px;
  background: #fff; border: 1px solid var(--garis);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px; font-weight: 800;
}
.lambang img { width: 100%; height: 100%; object-fit: contain; }
.kotak-login h1 { font-size: 19px; margin: 0 0 4px; text-align: center; letter-spacing: -.01em; }
.kotak-login .sub { text-align: center; color: var(--teks-samar); font-size: 13px; margin-bottom: 22px; }

/* ---------- Formulir ---------- */
.baris-form { margin-bottom: 14px; }
label.judul-input { display: block; font-size: 13px; font-weight: 600; color: var(--teks-samar); margin-bottom: 6px; }
.masukan {
  width: 100%; padding: 12px 14px; border-radius: 11px;
  border: 1.5px solid var(--garis); background: #fff; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.masukan:focus { border-color: var(--utama); box-shadow: 0 0 0 3px rgba(65,102,245,.14); }
select.masukan {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--teks-samar) 50%), linear-gradient(135deg, var(--teks-samar) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 36px;
}
textarea.masukan { resize: vertical; min-height: 62px; }

/* ---------- Tombol ---------- */
.tombol {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 18px; border-radius: 12px; border: 1.5px solid transparent;
  background: var(--utama); color: #fff; font-weight: 650; cursor: pointer;
  transition: filter .15s, transform .05s;
}
.tombol:hover { filter: brightness(1.07); }
.tombol:active { transform: translateY(1px); }
.tombol:disabled { opacity: .55; cursor: not-allowed; }
.tombol.lebar { width: 100%; }
.tombol.garis { background: #fff; color: var(--utama); border-color: var(--utama-garis); }
.tombol.polos { background: transparent; color: var(--teks-samar); border-color: var(--garis); }
.tombol.kecil { padding: 8px 13px; font-size: 13px; border-radius: 10px; }
.tombol.bahaya { background: var(--alpa); }

/* ---------- Kerangka aplikasi ---------- */
#layar-app { min-height: 100vh; padding-bottom: 84px; }
.bilah-atas {
  position: sticky; top: 0; z-index: 20;
  background: var(--utama); color: #fff;
  padding: calc(11px + env(safe-area-inset-top, 0px)) 16px 11px;
  display: flex; align-items: center; gap: 11px;
}
.bilah-atas .lambang {
  width: 34px; height: 34px; background: #fff; border-radius: 9px; flex: none; padding: 3px;
  display: flex; align-items: center; justify-content: center; color: var(--utama); font-weight: 800;
}
.bilah-atas .judul { font-size: 15px; font-weight: 700; line-height: 1.2; }
.bilah-atas .sub { font-size: 12px; opacity: .82; line-height: 1.2; }
.bilah-atas .kanan { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.tombol-ikon {
  background: rgba(255,255,255,.16); border: none; color: #fff;
  width: 36px; height: 36px; border-radius: 10px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; font-size: 15px;
}
.tombol-ikon:hover { background: rgba(255,255,255,.28); }

.isi { max-width: var(--lebar); margin: 0 auto; padding: 16px 14px 24px; }

/* ---------- Navigasi bawah ---------- */
.nav-bawah {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 25;
  background: #fff; border-top: 1px solid var(--garis);
  display: flex; padding-bottom: env(safe-area-inset-bottom, 0px);
  box-shadow: 0 -2px 12px rgba(20,30,60,.05);
}
.nav-bawah button {
  flex: 1; background: none; border: none; cursor: pointer;
  padding: 9px 4px 10px; color: var(--teks-samar);
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-size: 11px; font-weight: 600;
}
.nav-bawah button .ikon { font-size: 19px; line-height: 1; }
.nav-bawah button.aktif { color: var(--utama); }

/* ---------- Kartu ---------- */
.kartu {
  background: var(--kartu); border: 1px solid var(--garis);
  border-radius: var(--radius); box-shadow: var(--bayang);
  padding: 15px; margin-bottom: 12px;
}
.kartu.rapat { padding: 12px 14px; }
.judul-bagian {
  font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--teks-samar); margin: 20px 2px 9px;
}
.judul-bagian:first-child { margin-top: 4px; }

/* ---------- Panel tanggal ---------- */
.panel-tanggal {
  background: linear-gradient(135deg, var(--utama) 0%, var(--utama-tua) 100%);
  color: #fff; border-radius: var(--radius); padding: 15px 16px;
  margin-bottom: 14px; box-shadow: var(--bayang);
}
.panel-tanggal .hari { font-size: 18px; font-weight: 700; }
.panel-tanggal .ket { font-size: 13px; opacity: .85; margin-top: 2px; }

/* ---------- Kartu sesi ---------- */
.kartu-sesi {
  background: #fff; border: 1px solid var(--garis); border-left: 5px solid var(--utama);
  border-radius: var(--radius); padding: 14px 15px; margin-bottom: 11px;
  box-shadow: var(--bayang); cursor: pointer; display: block; width: 100%;
  text-align: left; transition: transform .08s, box-shadow .15s;
}
.kartu-sesi:hover { box-shadow: 0 2px 6px rgba(20,30,60,.09), 0 10px 24px rgba(20,30,60,.08); }
.kartu-sesi:active { transform: scale(.995); }
.kartu-sesi.selesai { border-left-color: var(--hadir); background: #F6FBF8; }
.kartu-sesi .atas { display: flex; align-items: flex-start; gap: 10px; }
.kartu-sesi .judul-sesi { font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.kartu-sesi .rinci { font-size: 13px; color: var(--teks-samar); margin-top: 3px; }
.kartu-sesi .bawah {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 11px; padding-top: 11px; border-top: 1px dashed var(--garis);
}

/* ---------- Label / lencana ---------- */
.lencana {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 650;
  background: var(--utama-muda); color: var(--utama-tua); border: 1px solid var(--utama-garis);
  white-space: nowrap;
}
.lencana.abu { background: #F1F2F6; color: var(--teks-samar); border-color: var(--garis); }
.lencana.hadir { background: #E7F6ED; color: var(--hadir); border-color: #BFE6CE; }
.lencana.izin  { background: #FDF1E1; color: var(--izin);  border-color: #F5DAAF; }
.lencana.sakit { background: #F0E9FE; color: var(--sakit); border-color: #D6C6FA; }
.lencana.alpa  { background: #FBE8E8; color: var(--alpa);  border-color: #F3C4C4; }
.lencana.tugaslain { background: #F1F2F6; color: #5A5F73; border-color: var(--garis); }

/* ---------- Pilihan status (segmented) ---------- */
.pilihan-status { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.pilihan-status.dua { grid-template-columns: repeat(2, 1fr); }
.pilihan-status button {
  padding: 10px 4px; border-radius: 10px; border: 1.5px solid var(--garis);
  background: #fff; color: var(--teks-samar); font-size: 13px; font-weight: 650;
  cursor: pointer; transition: all .12s;
}
.pilihan-status button:hover { border-color: #C9D0E8; }
.pilihan-status button.aktif { color: #fff; border-color: transparent; }
.pilihan-status button.aktif[data-status="Hadir"]      { background: var(--hadir); }
.pilihan-status button.aktif[data-status="Izin"]       { background: var(--izin); }
.pilihan-status button.aktif[data-status="Sakit"]      { background: var(--sakit); }
.pilihan-status button.aktif[data-status="Alpa"]       { background: var(--alpa); }
.pilihan-status button.aktif[data-status="Tugas Lain"] { background: var(--utama-tua); }

/* ---------- Baris murid ---------- */
.daftar-murid { display: flex; flex-direction: column; gap: 9px; }
.baris-murid { border: 1px solid var(--garis); border-radius: 12px; padding: 11px 12px; background: #fff; }
.baris-murid .kepala { display: flex; align-items: center; gap: 9px; margin-bottom: 9px; }
.baris-murid .nomor {
  width: 25px; height: 25px; border-radius: 8px; background: var(--utama-muda);
  color: var(--utama-tua); font-size: 12px; font-weight: 700; flex: none;
  display: flex; align-items: center; justify-content: center;
}
.baris-murid .nama { font-weight: 650; font-size: 15px; line-height: 1.25; }
.baris-murid .meta { font-size: 12px; color: var(--teks-samar); }

/* ---------- Tabel ---------- */
.gulir-x { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
table.tabel { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 420px; }
table.tabel th, table.tabel td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--garis); white-space: nowrap; }
table.tabel th { background: var(--utama-muda); color: var(--utama-tua); font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; position: sticky; top: 0; }
table.tabel tbody tr:hover { background: #FAFBFF; }

/* ---------- Statistik ---------- */
.kisi-statistik { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 9px; }
.statistik { background: #fff; border: 1px solid var(--garis); border-radius: 12px; padding: 12px 13px; box-shadow: var(--bayang); }
.statistik .angka { font-size: 24px; font-weight: 750; line-height: 1.1; letter-spacing: -.02em; }
.statistik .nama { font-size: 11.5px; color: var(--teks-samar); margin-top: 3px; font-weight: 600; }
.statistik.hadir .angka { color: var(--hadir); }
.statistik.izin  .angka { color: var(--izin); }
.statistik.sakit .angka { color: var(--sakit); }
.statistik.alpa  .angka { color: var(--alpa); }

/* ---------- Kosong ---------- */
.kosong { text-align: center; padding: 34px 20px; color: var(--teks-samar); background: #fff; border: 1px dashed var(--garis); border-radius: var(--radius); }
.kosong .ikon { font-size: 34px; margin-bottom: 8px; opacity: .55; }

/* ---------- Dialog ---------- */
.tirai { position: fixed; inset: 0; z-index: 60; background: rgba(15,20,35,.45); display: flex; align-items: flex-end; justify-content: center; padding: 0; }
.dialog { background: #fff; width: 100%; max-width: 480px; border-radius: 18px 18px 0 0; padding: 18px 18px calc(18px + env(safe-area-inset-bottom, 0px)); max-height: 88vh; overflow-y: auto; animation: naik .18s ease-out; }
@keyframes naik { from { transform: translateY(22px); opacity: .4; } to { transform: none; opacity: 1; } }
.dialog h3 { margin: 0 0 4px; font-size: 17px; }
.dialog .ket { color: var(--teks-samar); font-size: 13px; margin-bottom: 15px; }
.dialog .aksi { display: flex; gap: 9px; margin-top: 17px; }
.dialog .aksi .tombol { flex: 1; }
@media (min-width: 560px) { .tirai { align-items: center; padding: 20px; } .dialog { border-radius: 18px; } }

/* ---------- Tab ---------- */
.tab { display: flex; gap: 6px; background: #E7EAF5; padding: 4px; border-radius: 12px; margin-bottom: 14px; }
.tab button { flex: 1; padding: 9px 6px; border: none; border-radius: 9px; background: transparent; color: var(--teks-samar); font-size: 13.5px; font-weight: 650; cursor: pointer; }
.tab button.aktif { background: #fff; color: var(--utama); box-shadow: var(--bayang); }

/* ---------- Pesan singkat ---------- */
#pesan {
  position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%) translateY(14px);
  z-index: 80; background: #16192B; color: #fff; padding: 11px 17px; border-radius: 11px;
  font-size: 14px; max-width: 90vw; text-align: center; box-shadow: 0 8px 26px rgba(0,0,0,.24);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
}
#pesan.tampil { opacity: 1; transform: translateX(-50%) translateY(0); }
#pesan.galat { background: #A32020; }
#pesan.sukses { background: #0B7A3E; }

/* ---------- Peringatan ---------- */
.peringatan { border-radius: 12px; padding: 11px 13px; font-size: 13.5px; margin-bottom: 12px; background: #FFF7E8; border: 1px solid #F2DDAE; color: #7A5406; }
.peringatan.info { background: var(--utama-muda); border-color: var(--utama-garis); color: var(--utama-tua); }
.peringatan.bahaya { background: #FDECE9; border-color: #F1C2BA; color: #8C2418; }

/* ---------- Materi ---------- */
.kartu-materi { border-left: 5px solid var(--utama); }
.kartu-materi .tanggal { font-size: 12.5px; color: var(--teks-samar); }
.kartu-materi .judul-materi { font-size: 15.5px; font-weight: 700; margin-top: 2px; }
.kartu-materi .deskripsi { font-size: 13.5px; color: var(--teks-samar); margin-top: 5px; line-height: 1.55; }
.kartu-materi .buka { margin-top: 11px; }

/* ===========================================================
   Penyesuaian ukuran layar
   =========================================================== */
@media (max-width: 380px) {
  .isi { padding: 14px 11px 22px; }
  .kartu { padding: 13px; }
  .pilihan-status button { padding: 10px 2px; font-size: 12px; }
  .statistik .angka { font-size: 21px; }
  .bilah-atas .judul { font-size: 14px; }
}
@media (min-width: 620px) { .isi { padding: 20px 18px 28px; } }
@media (min-width: 760px) {
  :root { --lebar: 900px; }
  body { font-size: 16.5px; }
  .isi { padding: 24px 22px 32px; }
  .kisi-sesi { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
  .kisi-sesi > .kartu-sesi, .kisi-sesi > .kartu { margin-bottom: 0; height: 100%; }
  .daftar-murid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .kisi-statistik { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
  .nav-bawah { left: 50%; right: auto; transform: translateX(-50%); width: min(520px, 100%); border: 1px solid var(--garis); border-bottom: none; border-radius: 16px 16px 0 0; }
  .nav-bawah button { font-size: 12px; padding: 11px 4px 12px; }
  .dialog { max-width: 560px; }
  table.tabel { font-size: 14px; }
}
@media (min-width: 1024px) {
  :root { --lebar: 1000px; }
  .kisi-sesi { grid-template-columns: repeat(3, 1fr); }
  .daftar-murid { grid-template-columns: repeat(3, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}