/* Admin panel layout — extends style.css tokens */
/* SIDEBAR-FIX-VERSION: v4 — mobile overflow-clip fix + dedupe profil sidebar */
.admin-shell{ display:flex; min-height:100vh; }
.sidebar{
  width:250px; flex-shrink:0; background:var(--bg-soft); border-right:1px solid var(--border);
  padding:22px 16px 56px; position:sticky; top:0; height:100vh; height:100dvh; display:flex; flex-direction:column;
  overflow-y:auto; -webkit-overflow-scrolling:touch; overscroll-behavior:contain;
  scrollbar-width:thin; scrollbar-color:var(--border-2) transparent;
}
.sidebar::-webkit-scrollbar{ width:7px; }
.sidebar::-webkit-scrollbar-track{ background:transparent; }
.sidebar::-webkit-scrollbar-thumb{ background:var(--border-2); border-radius:10px; }
.sidebar::-webkit-scrollbar-thumb:hover{ background:var(--violet); }
.sidebar .brand{ padding:8px 8px 26px; }
.side-nav{ display:flex; flex-direction:column; gap:4px; flex:1; min-height:0; }
.side-nav a{
  display:flex; align-items:center; gap:12px; padding:12px 14px; border-radius:11px;
  color:var(--text-muted); font-size:14px; font-weight:500; transition:.15s; flex-shrink:0;
}
.side-nav a .ic{ width:20px; text-align:center; opacity:.95; transition:color .15s; }
.side-nav a .ic svg{ width:19px; height:19px; display:block; }
.side-nav a:hover{ background:var(--surface-2); color:var(--text); }
.side-nav a.active{ background:var(--gradient); color:#fff; }
.side-nav a.active .ic{ color:#fff; }
/* Warna ikon sidebar — tiap menu punya aksen warna berbeda supaya lebih mudah dikenali */
.side-nav a:not(.active):nth-of-type(1) .ic{ color:var(--cyan); }
.side-nav a:not(.active):nth-of-type(2) .ic{ color:var(--violet); }
.side-nav a:not(.active):nth-of-type(3) .ic{ color:var(--pink); }
.side-nav a:not(.active):nth-of-type(4) .ic{ color:var(--amber); }
.side-nav a:not(.active):nth-of-type(5) .ic{ color:var(--teal); }
.side-nav a:not(.active):nth-of-type(6) .ic{ color:var(--pink); }
.side-nav a:not(.active):nth-of-type(7) .ic{ color:var(--cyan); }
.side-nav a:not(.active):nth-of-type(8) .ic{ color:var(--violet); }
.side-nav a:not(.active):nth-of-type(9) .ic{ color:var(--teal); }
.side-nav a:not(.active):nth-of-type(10) .ic{ color:var(--text-dim); }
.side-nav .divider{ height:1px; background:var(--border); margin:12px 4px; flex-shrink:0; }
.side-nav > a:last-of-type{ margin-bottom:40px; }
.nav-toggle{ display:none; }
.avatar-img{
  width:34px; height:34px; border-radius:9px; background:var(--gradient); display:flex; align-items:center;
  justify-content:center; font-weight:700; color:#fff; font-size:14px; flex-shrink:0; overflow:hidden;
}
.avatar-img img{ width:100%; height:100%; object-fit:cover; }

/* Dropdown profil */
.dropdown{ position:relative; }
.dropdown-menu{
  position:absolute; top:calc(100% + 8px); right:0; min-width:180px; background:var(--surface);
  border:1px solid var(--border); border-radius:12px; padding:6px; box-shadow:0 12px 28px rgba(0,0,0,.4);
  display:none; flex-direction:column; gap:2px; z-index:50;
}
.dropdown-menu.open{ display:flex; }
.dropdown-menu a{
  padding:9px 12px; border-radius:8px; font-size:13.5px; color:var(--text); font-weight:500;
}
.dropdown-menu a:hover{ background:var(--bg-soft); color:var(--violet); }
.dropdown-menu-up{ top:auto; bottom:calc(100% + 8px); left:0; right:auto; }

.admin-header-bar{ display:flex; align-items:center; justify-content:flex-end; gap:12px; margin-bottom:18px; }
.theme-toggle{
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
  width:40px; height:40px; border-radius:12px; border:1px solid var(--border);
  background:var(--surface); color:var(--text); cursor:pointer; font-size:16px; line-height:1;
  transition:border-color .15s ease, transform .15s ease;
}
.theme-toggle:hover{ border-color:var(--violet); transform:translateY(-1px); }
.theme-toggle-ic{ display:none; }
.theme-toggle-ic-moon{ display:block; } /* default = mode gelap, jadi tampilkan ikon bulan */
:root[data-theme="light"] .theme-toggle-ic-moon{ display:none; }
:root[data-theme="light"] .theme-toggle-ic-sun{ display:block; }
.mobile-topbar-actions{ display:none; align-items:center; gap:8px; margin-left:auto; }
.profile-trigger{
  display:flex; align-items:center; gap:10px; background:var(--surface); border:1px solid var(--border);
  border-radius:12px; padding:7px 14px 7px 7px; cursor:pointer; color:var(--text); font-size:13.5px; font-weight:600;
}
.profile-trigger:hover{ border-color:var(--violet); }
.profile-trigger .chev{ color:var(--text-dim); font-size:11px; }

.side-nav-profile{ display:none; flex-shrink:0; }
.side-nav-user{
  display:flex; align-items:center; gap:12px; padding:10px 14px; width:100%;
  background:none; border:none; text-align:left; cursor:pointer; border-radius:10px; flex-shrink:0;
}
.side-nav-user:hover{ background:var(--bg-soft); }
.side-nav-user .chev{ margin-left:auto; color:var(--text-dim); font-size:11px; transition:transform .2s ease; }
.side-nav-user.open .chev{ transform:rotate(180deg); }
.side-nav-dropdown{
  position:static; width:100%; box-shadow:none; border:none; background:none;
  padding:2px 0 0; margin:0;
}
.side-nav-dropdown a{ padding-left:26px; }

.admin-main{ flex:1; min-width:0; padding:30px 34px 0; display:flex; flex-direction:column; min-height:100vh; }
.admin-content{ flex:1; padding-bottom:40px; }
.admin-footer{ flex-shrink:0; border-top:1px solid var(--border); padding:20px 0; text-align:center; color:var(--text-dim); font-size:12.5px; }

/* ---------- Responsive (mobile) ---------- */
@media (max-width:860px){
  .admin-shell{ flex-direction:column; }
  .sidebar{
    width:100%; height:auto; position:sticky; top:0; z-index:100;
    flex-direction:row; align-items:center; justify-content:space-between; padding:14px 16px;
    border-right:none; border-bottom:1px solid var(--border);
    overflow:visible;
  }
  .sidebar .brand small{ display:none; }
  .sidebar .brand{ padding:0; flex-shrink:0; }

  .nav-toggle{
    display:flex; align-items:center; justify-content:center;
    background:none; border:1px solid var(--border-2); color:var(--text);
    width:42px; height:42px; border-radius:10px; flex-shrink:0; font-size:16px;
    cursor:pointer; user-select:none; position:relative; z-index:102;
    -webkit-tap-highlight-color:rgba(255,255,255,.15);
  }
  .mobile-topbar-actions{ display:flex; }
  .theme-toggle-mobile{ width:42px; height:42px; border-radius:10px; }

  /* Panel menu mobile: position:fixed (bukan absolute) supaya TIDAK PERNAH ke-clip
     oleh overflow milik elemen induk manapun — selalu jadi overlay penuh di atas
     seluruh halaman terlepas dari struktur/CSS ancestor lain. */
  .side-nav{
    display:none; flex-direction:column; gap:2px;
    position:fixed; top:var(--sidebar-h, 72px); left:0; right:0; z-index:9999;
    background:var(--bg-soft); border-bottom:1px solid var(--border);
    padding:10px; padding-bottom:calc(16px + env(safe-area-inset-bottom, 0px));
    max-height:calc(100vh - var(--sidebar-h, 72px)); max-height:calc(100dvh - var(--sidebar-h, 72px));
    overflow-y:auto; -webkit-overflow-scrolling:touch; overscroll-behavior:contain;
    scrollbar-width:thin; scrollbar-color:var(--border-2) transparent;
  }
  .side-nav::-webkit-scrollbar{ width:6px; }
  .side-nav::-webkit-scrollbar-thumb{ background:var(--border-2); border-radius:10px; }
  .side-nav.open{ display:flex; }
  .side-nav a{ padding:13px 14px; font-size:14.5px; }
  .side-nav a .ic{ width:22px; }
  .side-nav-profile{ display:flex !important; flex-direction:column; gap:2px; margin-top:14px !important; padding-top:2px; border-top:1px solid var(--border); }
  .side-nav-profile .divider{ display:none; } /* border-top di atas sudah jadi pemisah, divider ganda tidak perlu */

  /* Profil sekarang ada di dalam menu toggle (side-nav-profile), jadi topbar profil disembunyikan di HP */
  .admin-header-bar{ display:none; }

  .admin-main{ padding:18px 16px 0; }
  .hero-banner{ padding:24px 20px; }

  /* Grid 2 kolom di halaman admin (Kelas & Mapel, Profil, Bank Soal) jadi 1 kolom di HP */
  .grid-2col-force{ grid-template-columns:1fr !important; }
  .grid-3col-force{ grid-template-columns:repeat(2,1fr) !important; }
}
@media (max-width:480px){
  .grid-3col-force{ grid-template-columns:1fr !important; }
}

/* --- Beranda --- */
.hero-banner{
  position:relative; border-radius:20px; padding:34px 32px; margin-bottom:20px; overflow:hidden;
  background:linear-gradient(135deg, rgba(139,92,246,.16), rgba(236,72,153,.10) 55%, var(--surface) 100%);
  border:1px solid var(--border);
}
.hero-banner-bg{
  position:absolute; inset:0; opacity:.5; pointer-events:none;
  background-image:radial-gradient(circle at 85% 20%, rgba(236,72,153,.25), transparent 45%), radial-gradient(circle at 10% 90%, rgba(139,92,246,.22), transparent 45%);
}
.hero-banner-content{ position:relative; z-index:1; }
.hero-eyebrow{ color:var(--violet); font-weight:600; font-size:13.5px; margin-bottom:6px; }
.hero-banner h1{ font-family:var(--font-display); font-size:30px; font-weight:700; color:var(--text); margin-bottom:6px; }
.hero-sub{ color:var(--text-dim); font-size:14px; margin-bottom:20px; }
.hero-actions{ display:flex; gap:10px; flex-wrap:wrap; }

.notice-strip{
  display:flex; align-items:center; gap:10px; background:rgba(251,191,36,.1); border:1px solid rgba(251,191,36,.3);
  color:var(--text); padding:12px 18px; border-radius:12px; font-size:13.5px; margin-bottom:20px; transition:border-color .15s;
}
.notice-strip:hover{ border-color:var(--amber); }
.notice-dot{ width:8px; height:8px; border-radius:50%; background:var(--amber); flex-shrink:0; box-shadow:0 0 0 4px rgba(251,191,36,.18); }
.notice-arrow{ margin-left:auto; color:var(--amber); }

.quick-stats{ display:grid; grid-template-columns:repeat(6, 1fr); gap:14px; }
.qs-card{
  display:flex; align-items:center; gap:12px; background:var(--surface); border:1px solid var(--border);
  border-radius:14px; padding:16px; transition:border-color .15s, transform .15s;
}
.qs-card:hover{ border-color:var(--violet); transform:translateY(-2px); }
.qs-ic{ width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:17px; flex-shrink:0; }
.qs-num{ font-family:var(--font-display); font-size:22px; font-weight:700; color:var(--text); line-height:1.1; }
.qs-lbl{ color:var(--text-dim); font-size:12px; margin-top:2px; }
.qs-sub{ font-size:10.5px; }

.mini-kuis-item{
  display:flex; align-items:center; justify-content:space-between; gap:10px; padding:12px 10px;
  border-radius:10px; transition:background .15s;
}
.mini-kuis-item:hover{ background:var(--bg-soft); }

@media (max-width: 1200px){ .quick-stats{ grid-template-columns:repeat(3, 1fr); } }
@media (max-width: 640px){ .quick-stats{ grid-template-columns:repeat(2, 1fr); } }
.admin-topbar{ display:flex; align-items:center; justify-content:space-between; margin-bottom:26px; gap:16px; flex-wrap:wrap; }
.admin-topbar h1{ font-size:23px; margin:0; }
.admin-topbar .sub{ color:var(--text-dim); font-size:13.5px; margin-top:4px; }
.stat-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:26px; }
@media (max-width:900px){ .stat-row{ grid-template-columns:repeat(2,1fr); } }
.stat-card{ background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:18px 20px; }
.stat-card .num{ font-family:var(--font-display); font-size:26px; font-weight:700; }
.stat-card .lbl{ font-size:12.5px; color:var(--text-dim); margin-top:2px; }

.panel{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.panel-head{ padding:20px 22px; border-bottom:1px solid var(--border); display:flex; justify-content:space-between; align-items:center; gap:14px; flex-wrap:wrap; color:var(--text); }
.search-box{ position:relative; width:280px; max-width:100%; }
.search-box input{ padding-left:38px; }
.search-box .ic{ position:absolute; left:13px; top:50%; transform:translateY(-50%); color:var(--text-dim); }

.table-wrap{ overflow-x:auto; }
table{ width:100%; border-collapse:collapse; font-size:13.5px; }
thead th{
  text-align:left; padding:13px 20px; color:var(--text-dim); font-weight:600; font-size:11.5px;
  text-transform:uppercase; letter-spacing:.05em; border-bottom:1px solid var(--border); white-space:nowrap;
}
tbody td{ padding:16px 20px; border-bottom:1px solid var(--border); vertical-align:top; }
tbody tr:last-child td{ border-bottom:none; }
tbody tr:hover{ background:rgba(255,255,255,.02); }
:root[data-theme="light"] tbody tr:hover{ background:rgba(20,24,45,.035); }
.cell-strong{ font-weight:600; color:var(--text); }
.cell-muted{ color:var(--text-dim); font-size:12.5px; }
.row-actions{ display:flex; gap:8px; }
.icon-btn{
  width:34px; height:34px; border-radius:9px; display:inline-flex; align-items:center; justify-content:center;
  border:1px solid var(--border-2); background:var(--bg-soft); color:var(--text-muted); transition:.15s; flex-shrink:0;
}
.icon-btn:hover{ color:var(--text); border-color:var(--violet); }
.icon-btn.danger:hover{ color:var(--red); border-color:var(--red); }
.icon-btn.success:hover{ color:var(--teal); border-color:var(--teal); }

/* Varian warna TETAP terlihat (bukan cuma saat hover) supaya jenis aksi
   (positif / batalkan / hapus) langsung jelas tanpa perlu diarahkan mouse —
   penting juga untuk perangkat sentuh yang tidak punya efek hover. */
.icon-btn.tone-success{ background:rgba(22,199,154,.14); border-color:rgba(22,199,154,.4); color:var(--teal); }
.icon-btn.tone-success:hover{ background:rgba(22,199,154,.22); border-color:var(--teal); color:var(--teal); }
.icon-btn.tone-amber{ background:rgba(251,191,36,.14); border-color:rgba(251,191,36,.4); color:var(--amber); }
.icon-btn.tone-amber:hover{ background:rgba(251,191,36,.22); border-color:var(--amber); color:var(--amber); }
.icon-btn.tone-danger{ background:rgba(248,113,113,.12); border-color:rgba(248,113,113,.35); color:var(--red); }
.icon-btn.tone-danger:hover{ background:rgba(248,113,113,.22); border-color:var(--red); color:var(--red); }
.icon-btn-wide{ width:auto; padding:0 12px; gap:7px; font-size:12.5px; font-weight:600; white-space:nowrap; }
.icon-btn.disabled{ opacity:.35; pointer-events:none; cursor:default; }

.login-shell{ min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; position:relative; overflow:hidden; }
.login-shell::before,.login-shell::after{
  content:''; position:absolute; border-radius:50%; filter:blur(90px); pointer-events:none; opacity:.45; z-index:0;
  animation:loginOrb 12s ease-in-out infinite alternate;
}
.login-shell::before{ width:460px; height:460px; background:var(--violet); top:-160px; left:-140px; }
.login-shell::after{ width:400px; height:400px; background:var(--pink); bottom:-160px; right:-120px; animation-delay:-6s; }
@keyframes loginOrb{ 0%{ transform:translate(0,0) scale(1); } 100%{ transform:translate(30px,20px) scale(1.12); } }

/* ---------------------------------------------------------
   Login — disusun seperti "lembar kerja produksi" dua panel: sisi kiri
   memperkenalkan ruang kelasnya, sisi kanan formulir masuk. Empat tanda
   crop di sudut menandai satu "lembar" utuh, senada dengan identitas
   registration-mark di seluruh situs.
--------------------------------------------------------- */
.login-stage{
  width:100%; max-width:940px; min-width:0; position:relative; z-index:1;
  display:flex; align-items:stretch;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow), 0 0 0 1px rgba(255,255,255,.02), var(--shadow-glow);
}

.login-brand{
  position:relative; overflow:hidden; color:#fff;
  flex:1.08 1 0%; min-width:0;
  padding:40px 40px 32px; display:flex; flex-direction:column; justify-content:space-between; gap:26px;
  border-radius:var(--radius-lg) 0 0 var(--radius-lg);
  border-right:1px solid rgba(255,255,255,.14);
  background:
    radial-gradient(130% 150% at 0% 0%, rgba(255,255,255,.16), transparent 55%),
    linear-gradient(155deg, #7c2fd6 0%, var(--violet) 45%, var(--pink) 100%);
}
/* Titik-titik halus mengingatkan pada grid cutting mat / meja layout —
   perkakas sehari-hari anak DKV, bukan sekadar pola dekoratif. */
.login-brand::before{
  content:''; position:absolute; inset:0; pointer-events:none; opacity:.55;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:22px 22px;
}
.login-brand > *{ position:relative; }
.login-brand .brand{ color:#fff; }
.login-brand .brand-mark{ background:rgba(255,255,255,.18); box-shadow:none; backdrop-filter:blur(6px); }
.login-brand .brand small{ color:rgba(255,255,255,.72); }

.login-brand-title{
  font-family:var(--font-display); font-weight:700; font-size:clamp(23px,2.6vw,29px);
  line-height:1.18; letter-spacing:-.01em;
}
.login-brand-sub{ font-size:13.5px; line-height:1.65; color:rgba(255,255,255,.8); margin-top:12px; max-width:32ch; }

.login-marquee{
  min-width:0;
  overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image:linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.login-marquee-track{
  display:flex; gap:26px; width:max-content; white-space:nowrap;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.03em; color:rgba(255,255,255,.68);
  animation:loginMarquee 24s linear infinite;
}
.login-marquee-track span::after{ content:'✛'; margin-left:26px; opacity:.55; font-size:9px; }
@keyframes loginMarquee{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

.login-colorbar{ display:flex; height:6px; border-radius:99px; overflow:hidden; margin-top:18px; }
.login-colorbar span{ flex:1; }
.login-colorbar span:nth-child(1){ background:var(--cyan); }
.login-colorbar span:nth-child(2){ background:var(--pink); }
.login-colorbar span:nth-child(3){ background:var(--amber); }
.login-colorbar span:nth-child(4){ background:#0c1120; }

.login-card{
  position:relative; z-index:1;
  flex:1 1 0%; min-width:0;
  background:linear-gradient(180deg, rgba(24,34,56,.96), rgba(18,26,44,.96));
  border-radius:0 var(--radius-lg) var(--radius-lg) 0;
  padding:44px 42px; display:flex; flex-direction:column; justify-content:center;
}
.login-head{ margin-bottom:26px; }
.login-head h2{ font-size:23px; }
.login-head p{ font-size:13.5px; margin-top:6px; color:var(--text-muted); }
.login-head .eyebrow{
  display:inline-flex; align-items:center; gap:6px; font-size:11.5px; font-weight:600;
  letter-spacing:.02em; color:var(--violet);
  background:rgba(168,85,247,.12); border:1px solid rgba(168,85,247,.25);
  padding:5px 12px; border-radius:99px; margin-bottom:14px;
}
.login-card .form-group{ margin-bottom:18px; }
.login-card label{ font-size:13px; font-weight:600; margin-bottom:7px; display:block; }
.login-input-wrap{ position:relative; }
.login-input-wrap .ic{
  position:absolute; left:14px; top:50%; transform:translateY(-50%);
  color:var(--text-dim); pointer-events:none; display:flex;
}
.login-card input[type="text"],
.login-card input[type="password"]{
  width:100%; padding:12px 14px 12px 40px; border-radius:12px;
  background:var(--bg-soft); border:1px solid var(--border);
  color:var(--text); font-size:14.5px; transition:border-color .15s, box-shadow .15s, background .15s;
}
.login-card input[type="text"]:focus,
.login-card input[type="password"]:focus{
  outline:none; border-color:var(--violet); background:var(--surface-2);
  box-shadow:0 0 0 4px rgba(168,85,247,.16);
}
.pw-toggle{
  position:absolute; right:6px; top:50%; transform:translateY(-50%);
  background:none; border:none; color:var(--text-dim); cursor:pointer;
  padding:8px; border-radius:8px; display:flex; align-items:center; justify-content:center;
  transition:color .15s, background .15s;
}
.pw-toggle:hover{ color:var(--text); background:rgba(255,255,255,.06); }
.login-card .btn-block{
  padding:13px; font-size:14.5px; border-radius:12px; margin-top:6px;
  box-shadow:0 10px 28px -8px rgba(236,72,153,.5);
  transition:transform .15s, box-shadow .15s;
}
.login-card .btn-block:hover{ transform:translateY(-1px); box-shadow:0 14px 34px -8px rgba(236,72,153,.62); }
.login-back{
  display:flex; align-items:center; gap:6px;
  margin-top:22px; font-size:13px; color:var(--text-dim);
  transition:color .15s;
}
.login-back:hover{ color:var(--text); }

@media (max-width:900px){
  .login-stage{ flex-direction:column; max-width:440px; }
  .login-brand{
    flex:none; width:100%;
    border-radius:var(--radius-lg) var(--radius-lg) 0 0; border-right:none;
    border-bottom:1px solid rgba(255,255,255,.14);
    padding:30px 28px 24px; gap:16px;
  }
  .login-brand-sub{ display:none; }
  .login-card{ flex:none; width:100%; border-radius:0 0 var(--radius-lg) var(--radius-lg); padding:34px 28px 32px; }
}
@media (prefers-reduced-motion:reduce){
  .login-shell::before,.login-shell::after,.login-marquee-track{ animation:none; }
}

/* ---------------------------------------------------------
   Chip checkbox — dipakai untuk pilih kelas (bisa lebih dari
   satu) di form Materi/LKPD, Video, Kuis, dan Tugas.
--------------------------------------------------------- */
.chip-check-group{ display:flex; flex-wrap:wrap; gap:8px; }
.chip-check{ position:relative; display:inline-flex; }
.chip-check input{
  position:absolute; opacity:0; width:100%; height:100%; margin:0; cursor:pointer;
}
.chip-check span{
  display:inline-block; padding:8px 18px; border-radius:99px; border:1px solid var(--border-2);
  font-size:13px; font-weight:600; color:var(--text-muted); cursor:pointer;
  transition:background .15s, color .15s, border-color .15s; user-select:none;
}
.chip-check span::before{ content:"○ "; opacity:.6; }
.chip-check input:checked + span{ background:var(--gradient); color:#fff; border-color:transparent; }
.chip-check input:checked + span::before{ content:"✓ "; opacity:1; }
.chip-check input:focus-visible + span{ outline:2px solid var(--cyan); outline-offset:2px; }
.chip-check:hover span{ border-color:var(--violet); }
.chip-check-all{ margin-bottom:2px; }

/* Deadline / info strip dipakai di kartu Tugas */
.deadline-badge{ font-family:var(--font-mono); font-size:11.5px; }
.deadline-badge.overdue{ color:var(--red); }

/* Avatar bulat kecil untuk daftar siswa */
.mini-avatar{
  width:34px; height:34px; border-radius:10px; overflow:hidden; background:var(--gradient);
  display:flex; align-items:center; justify-content:center; font-weight:700; color:#fff; font-size:13px; flex-shrink:0;
}
.mini-avatar img{ width:100%; height:100%; object-fit:cover; }

/* =========================================================
   Editor "Isi Materi" — kartu import HTML + Quill
   ========================================================= */
.editor-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  overflow:hidden; box-shadow:0 16px 40px -24px rgba(0,0,0,.55);
}
.editor-card-head{
  display:flex; align-items:flex-start; justify-content:space-between; gap:16px; flex-wrap:wrap;
  padding:16px 18px; background:var(--gradient-soft); border-bottom:1px solid var(--border);
}
.editor-card-head-txt{ display:flex; align-items:center; gap:10px; }
.editor-card-head-ic{
  width:34px; height:34px; border-radius:10px; background:var(--gradient); flex-shrink:0;
  display:flex; align-items:center; justify-content:center; color:#fff; font-size:15px; box-shadow:var(--shadow-glow);
}
.editor-card-head-txt strong{ font-size:14px; color:var(--text); display:block; }
.editor-card-head-txt span{ font-size:12px; color:var(--text-dim); }

/* Tombol upload custom, menggantikan input[type=file] bawaan browser */
.file-btn-wrap{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.file-btn{
  position:relative; display:inline-flex; align-items:center; gap:8px; padding:9px 16px;
  border-radius:99px; border:1px solid var(--border-2); background:var(--bg-soft);
  color:var(--text); font-size:12.5px; font-weight:600; cursor:pointer; white-space:nowrap;
  transition:border-color .15s, background .15s, transform .1s;
}
.file-btn:hover{ border-color:var(--violet); color:var(--violet); }
.file-btn:active{ transform:scale(.97); }
.file-btn input[type=file]{
  position:absolute; inset:0; opacity:0; cursor:pointer; width:100%; height:100%;
}
.file-btn-status{ font-size:12px; color:var(--text-dim); }
.file-btn-status.ok{ color:var(--teal); font-weight:600; }
.file-btn-status.err{ color:var(--red); font-weight:600; }

.editor-card-body{ padding:16px 18px 18px; }
.editor-card-hint{
  display:flex; gap:8px; align-items:flex-start; margin-top:12px; padding:10px 12px;
  background:var(--bg-soft); border:1px dashed var(--border-2); border-radius:10px;
  font-size:12px; color:var(--text-dim); line-height:1.5;
}
.editor-card-hint .ic{ flex-shrink:0; margin-top:1px; opacity:.8; }

/* Quill — hasil restyle supaya menyatu dengan tema gelap, area tulis tetap putih untuk kontras */
#deskripsiEditor-shell .ql-toolbar.ql-snow{
  background:var(--surface-2); border:1px solid var(--border); border-bottom:none;
  border-radius:12px 12px 0 0; padding:10px 12px;
}
#deskripsiEditor-shell .ql-toolbar.ql-snow .ql-stroke{ stroke:var(--text-muted); }
#deskripsiEditor-shell .ql-toolbar.ql-snow .ql-fill{ fill:var(--text-muted); }
#deskripsiEditor-shell .ql-toolbar.ql-snow .ql-picker-label{ color:var(--text-muted); }
#deskripsiEditor-shell .ql-toolbar.ql-snow button:hover .ql-stroke,
#deskripsiEditor-shell .ql-toolbar.ql-snow button.ql-active .ql-stroke,
#deskripsiEditor-shell .ql-toolbar.ql-snow .ql-picker-label:hover{ stroke:var(--violet); }
#deskripsiEditor-shell .ql-toolbar.ql-snow button:hover .ql-fill,
#deskripsiEditor-shell .ql-toolbar.ql-snow button.ql-active .ql-fill{ fill:var(--violet); }
#deskripsiEditor-shell .ql-toolbar.ql-snow button:hover,
#deskripsiEditor-shell .ql-toolbar.ql-snow button.ql-active{ color:var(--violet); }
#deskripsiEditor-shell .ql-snow.ql-toolbar button{ border-radius:6px; }
#deskripsiEditor{
  background:#fff; border:1px solid var(--border); border-radius:0 0 12px 12px;
  color:#111; min-height:220px; font-size:14.5px;
}
#deskripsiEditor-shell .ql-container.ql-snow{ border:none; border-radius:0 0 12px 12px; }
#deskripsiEditor-shell .ql-editor{ min-height:220px; }
#deskripsiEditor-shell .ql-editor.ql-blank::before{ color:#9aa0b4; font-style:normal; }

/* ---------------------------------------------------------------
   Toolbar rumus matematika (soal & opsi jawaban di Kelola Soal).
   Lihat assets/js/math-toolbar.js.
--------------------------------------------------------------- */
.math-toolbar-wrap{ margin-top:6px; }
.math-field-actions{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:6px; }
.btn-mini-action{
  font-size:12px; font-weight:600; padding:6px 12px; border-radius:7px;
  background:var(--surface-2); border:1px solid var(--border-2); color:var(--text-dim);
  cursor:pointer; transition:background .12s ease, border-color .12s ease, color .12s ease;
}
.btn-mini-action:hover{ background:rgba(139,92,246,.14); border-color:var(--violet); color:var(--violet); }
.math-upload-status{ font-size:11.5px; color:var(--text-muted); }
.math-toolbar{
  display:flex; flex-wrap:wrap; gap:4px; margin-bottom:6px;
}
.math-toolbar-btn{
  min-width:30px; height:28px; padding:0 7px;
  background:var(--surface-2); border:1px solid var(--border-2); border-radius:7px;
  color:var(--text); font-size:13px; font-family:var(--font-mono, monospace);
  cursor:pointer; transition:background .12s ease, border-color .12s ease;
}
.math-toolbar-btn:hover{ background:rgba(139,92,246,.14); border-color:var(--violet); color:var(--violet); }
.math-preview{
  font-size:13.5px; color:var(--text-dim); background:var(--bg-soft);
  border:1px dashed var(--border-2); border-radius:8px; padding:8px 10px;
  margin-bottom:2px; line-height:1.6; word-break:break-word;
}
.math-preview:before{
  content:'Pratinjau: '; font-size:11px; text-transform:uppercase; letter-spacing:.04em;
  color:var(--text-muted); display:block; margin-bottom:3px;
}
.opsi-jawaban-card{
  border:1px solid var(--border); border-radius:10px; padding:12px 14px; margin-bottom:10px; background:var(--bg-soft);
}
.opsi-jawaban-card .opsi-img-current{
  display:flex; align-items:center; gap:10px; margin-bottom:8px;
}
.opsi-jawaban-card .opsi-img-current img{
  width:64px; height:64px; object-fit:cover; border-radius:8px; border:1px solid var(--border);
}

/* Modal editor rumus, gaya popup Equation Editor ala Word */
.formula-modal-overlay{
  position:fixed; inset:0; z-index:10500;
  background:rgba(4,6,12,.65); backdrop-filter:blur(2px);
  display:flex; align-items:center; justify-content:center; padding:20px;
  opacity:0; pointer-events:none; visibility:hidden;
  transition:opacity .16s ease, visibility .16s ease;
}
.formula-modal-overlay.show{ opacity:1; pointer-events:auto; visibility:visible; }
.formula-modal{
  width:100%; max-width:460px; background:var(--surface); border:1px solid var(--border-2);
  border-radius:var(--radius-lg, 16px); box-shadow:var(--shadow); overflow:hidden;
  transform:translateY(8px) scale(.98); transition:transform .16s ease;
}
.formula-modal-overlay.show .formula-modal{ transform:translateY(0) scale(1); }
.formula-modal-head{
  display:flex; align-items:center; justify-content:space-between; padding:16px 20px;
  border-bottom:1px solid var(--border); font-weight:600; font-size:14.5px;
}
.formula-modal-x{
  background:none; border:none; color:var(--text-dim); font-size:22px; line-height:1; cursor:pointer; padding:0 4px;
}
.formula-modal-x:hover{ color:var(--text); }
.formula-modal-body{ padding:18px 20px; }
.formula-builder-input{
  width:100%; background:var(--bg-soft); border:1px solid var(--border-2); border-radius:10px;
  color:var(--text); font-family:var(--font-mono, monospace); font-size:14.5px; padding:10px 12px;
  resize:vertical; margin-bottom:10px;
}
.formula-builder-input:focus{ outline:none; border-color:var(--violet); }
.formula-modal-actions{
  display:flex; gap:10px; padding:16px 20px; border-top:1px solid var(--border);
}
.formula-modal-actions .btn{ flex:1; justify-content:center; }


/* ---- Bar filter & tab status (Kuis, Tugas, Pengumpulan) ---- */
.filter-bar{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
.filter-bar select{ width:auto; min-width:150px; max-width:240px; }
.filter-bar .search-box{ width:260px; }
.status-tabs{ display:flex; gap:8px; flex-wrap:wrap; margin:0 0 14px; }
.status-tab{
  display:inline-flex; align-items:center; gap:8px; padding:7px 14px; border-radius:99px;
  border:1px solid var(--border-2); background:var(--surface); color:var(--text-muted);
  font-size:13px; font-weight:600; transition:border-color .15s ease, color .15s ease, background-color .15s ease;
}
.status-tab:hover:not(.active){ border-color:var(--violet); color:var(--text); }
.status-tab.active{ background:var(--gradient); color:#fff; border-color:transparent; }
.status-tab .cnt{
  font-size:11.5px; font-weight:700; padding:1px 8px; border-radius:99px;
  background:rgba(139,147,172,.18); color:inherit;
}
.status-tab.active .cnt{ background:rgba(255,255,255,.25); }
.filter-empty-hint{ margin-top:6px; }