/* ==========================================================================
   TOEFL ITP AI — tema "biru akademik" yang bersih dan terang.
   ========================================================================== */
:root{
  --bg:#F4F7FE;
  --ink:#0F172A;
  --ink-soft:#475569;
  --ink-mute:#64748B;
  --blue-700:#1D4ED8;
  --blue-600:#2563EB;
  --blue-500:#3B82F6;
  --blue-100:#DBEAFE;
  --blue-50:#EFF6FF;
  --green:#15803D;
  --green-soft:#DCFCE7;
  --red:#B91C1C;
  --red-soft:#FEE2E2;
  --amber:#B45309;
  --amber-soft:#FEF3C7;
  --violet:#6D28D9;
  --card:rgba(255,255,255,.78);
  --card-solid:#FFFFFF;
  --border:rgba(148,163,184,.28);
  --border-strong:rgba(37,99,235,.28);
  --shadow:0 12px 32px rgba(29,78,216,.10), 0 2px 8px rgba(15,23,42,.04);
  --shadow-lg:0 24px 60px rgba(29,78,216,.16), 0 4px 12px rgba(15,23,42,.05);
  --radius:16px;
  --radius-lg:22px;
  --nav-h:68px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
h1,h2,h3,h4{margin:0 0 8px;line-height:1.25;letter-spacing:-.01em}
h1{font-size:2rem;font-weight:700}
h2{font-size:1.45rem;font-weight:700}
h3{font-size:1.1rem;font-weight:650}
h4{font-size:.98rem;font-weight:650}
p{margin:0 0 12px}
a{color:var(--blue-700);text-decoration:none}
a:hover{text-decoration:underline}
small{font-size:.82rem}
code{background:#EEF2FF;border-radius:6px;padding:1px 6px;font-size:.9em}

/* ---------------------------------- latar --------------------------------- */
.bg-decor{position:fixed;inset:0;z-index:-1;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.55}
.blob.b1{width:520px;height:520px;background:#C7DBFF;top:-160px;left:-120px}
.blob.b2{width:460px;height:460px;background:#DDD6FE;top:-120px;right:-140px;opacity:.5}
.blob.b3{width:560px;height:560px;background:#CFE8FF;bottom:-260px;left:35%;opacity:.45}

/* --------------------------------- topbar -------------------------------- */
.topbar{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  border-bottom:1px solid var(--border);
}
.topbar-inner{
  max-width:1180px;margin:0 auto;padding:10px 20px;
  display:flex;align-items:center;gap:22px;min-height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue-700),var(--blue-500));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:1.15rem;
  box-shadow:0 8px 18px rgba(29,78,216,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:1rem;letter-spacing:-.01em}
.brand-text small{color:var(--ink-mute)}
.mainnav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
.mainnav a{
  padding:8px 12px;border-radius:10px;color:var(--ink-soft);font-weight:500;font-size:.92rem;
  text-decoration:none;transition:.15s;
}
.mainnav a:hover{background:var(--blue-50);color:var(--blue-700);text-decoration:none}
.mainnav a.active{background:var(--blue-100);color:var(--blue-700);font-weight:600}
.topbar-right{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;background:none;border:1px solid var(--border);border-radius:11px;
  font-size:1rem;padding:6px 10px;cursor:pointer;line-height:1;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--blue-500);color:var(--blue-700)}
.userchip{
  display:flex;align-items:center;gap:10px;
  background:var(--card-solid);border:1px solid var(--border);border-radius:999px;padding:5px 6px 5px 14px;
  box-shadow:0 2px 8px rgba(15,23,42,.04);
}
.userchip .uname{font-size:.86rem;font-weight:600}
.userchip .uavatar{
  width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--blue-600),var(--violet));
  color:#fff;display:grid;place-items:center;font-size:.85rem;font-weight:600;
}

/* --------------------------------- layout -------------------------------- */
.app{max-width:1180px;margin:0 auto;padding:32px 20px 64px;min-height:60vh}
.section-stack{display:flex;flex-direction:column;gap:28px}
/* Anak flex/grid tidak boleh dipaksa melebar oleh isinya. Tanpa ini, tabel di dalam
   kartu (yang lebar minimumnya ditentukan isi) membuat seluruh halaman melebar di
   ponsel — gejalanya halaman bisa digeser ke samping. */
.section-stack > *{min-width:0}
.grid > *{min-width:0}
.grid{display:grid;gap:20px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid.auto-220{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:22px;align-items:start}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.row.tight{gap:8px}
.row.between{justify-content:space-between}
.spacer{flex:1}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}

/* ---------------------------------- kartu -------------------------------- */
.card{
  background:var(--card);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border:1px solid rgba(255,255,255,.75);
  box-shadow:var(--shadow);
  border-radius:var(--radius-lg);
  padding:24px;
}
.card.tight{padding:18px}
.card.plain{background:var(--card-solid);border-color:var(--border)}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px}
.card-head h2,.card-head h3{margin:0}
.muted{color:var(--ink-mute)}
.soft{color:var(--ink-soft)}
.center{text-align:center}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.page-head .lead{max-width:64ch;color:var(--ink-soft);margin:0}
.eyebrow{
  text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:700;color:var(--blue-600);margin-bottom:6px
}

/* -------------------------------- tombol --------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:.94rem;font-weight:600;
  padding:11px 18px;border-radius:12px;border:1px solid transparent;cursor:pointer;
  background:var(--card-solid);color:var(--ink);border-color:var(--border);
  transition:.15s;text-decoration:none;line-height:1.2;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,23,42,.08);text-decoration:none}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.btn.primary{background:linear-gradient(135deg,var(--blue-700),var(--blue-500));color:#fff;box-shadow:0 10px 22px rgba(29,78,216,.26)}
.btn.primary:hover{box-shadow:0 14px 26px rgba(29,78,216,.32)}
.btn.ghost{background:rgba(255,255,255,.6)}
.btn.small{padding:8px 13px;font-size:.85rem;border-radius:10px}
.btn.block{width:100%}
.btn.ok{background:var(--green-soft);color:var(--green);border-color:rgba(21,128,61,.2)}
.btn.no{background:var(--red-soft);color:var(--red);border-color:rgba(185,28,28,.2)}
.btn.link{background:none;border:none;color:var(--blue-700);padding:6px 2px}

/* --------------------------------- badge --------------------------------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--blue-50);color:var(--blue-700);
  border:1px solid var(--blue-100);border-radius:999px;
  padding:3px 11px;font-size:.76rem;font-weight:600;
}
.badge.green{background:var(--green-soft);color:var(--green);border-color:rgba(21,128,61,.18)}
.badge.red{background:var(--red-soft);color:var(--red);border-color:rgba(185,28,28,.18)}
.badge.amber{background:var(--amber-soft);color:var(--amber);border-color:rgba(180,83,9,.18)}
.badge.violet{background:#EDE9FE;color:var(--violet);border-color:#DDD6FE}
.badge.grey{background:#F1F5F9;color:var(--ink-soft);border-color:var(--border)}

/* --------------------------------- form ---------------------------------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:.86rem;font-weight:600;color:var(--ink-soft)}
input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{
  font-family:inherit;font-size:.95rem;color:var(--ink);
  background:rgba(255,255,255,.9);border:1px solid var(--border);border-radius:12px;
  padding:11px 13px;width:100%;transition:.15s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(59,130,246,.14)}
.hint{font-size:.8rem;color:var(--ink-mute)}

/* -------------------------------- statistik ------------------------------ */
.stat{
  background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px;
}
.stat .label{font-size:.82rem;color:var(--ink-mute);font-weight:600}
.stat .value{font-size:1.75rem;font-weight:700;letter-spacing:-.02em;color:var(--blue-700)}
.stat .sub{font-size:.8rem;color:var(--ink-mute)}
.table .col-wa{min-width:150px;white-space:nowrap}
.table .col-masa{min-width:132px}
.tbl-actions.wrap{flex-wrap:wrap;white-space:normal}

/* --------------------------------- pager --------------------------------- */
/* Navigasi halaman tabel di panel admin (10 baris per halaman). */
.pager{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:14px;padding-top:14px;border-top:1px solid var(--border);
}
.pager-info{font-size:.82rem;color:var(--ink-mute)}
.pager-info b{color:var(--ink-soft)}
.pager-btns{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.page-btn{
  font-family:inherit;font-size:.84rem;font-weight:600;line-height:1;color:var(--ink-soft);
  background:#fff;border:1px solid var(--border);border-radius:10px;padding:7px 11px;cursor:pointer;
  transition:.15s;min-width:34px;text-align:center;
}
.page-btn:hover:not(.disabled):not(.active){border-color:var(--blue-500);color:var(--blue-700);background:var(--blue-50)}
.page-btn.active{background:var(--blue-600);border-color:var(--blue-600);color:#fff;cursor:default}
.page-btn.disabled{opacity:.45;cursor:default}
.page-gap{color:var(--ink-mute);padding:0 2px}
@media (max-width:520px){
  .pager{flex-direction:column;align-items:flex-start;gap:10px}
}
.progress{height:9px;border-radius:999px;background:#E2E8F0;overflow:hidden}
.progress > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue-600),var(--blue-500))}
.progress.green > span{background:linear-gradient(90deg,#16A34A,#4ADE80)}

/* ------------------------------- flashcard ------------------------------- */
.flashcard{
  perspective:1400px;margin:0 auto;max-width:720px;width:100%;
}
.flashcard-inner{
  position:relative;transition:transform .55s cubic-bezier(.2,.7,.3,1);transform-style:preserve-3d;min-height:340px;cursor:pointer;
}
.flashcard.flipped .flashcard-inner{transform:rotateY(180deg)}
.flashface{
  position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);padding:30px;display:flex;flex-direction:column;justify-content:center;gap:12px;
  overflow:auto;
}
.flashface.back{transform:rotateY(180deg);justify-content:flex-start;gap:14px}
.flashword{font-size:2.5rem;font-weight:700;letter-spacing:-.03em;text-align:center;color:var(--blue-700)}
.flashmeta{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.flashtip{text-align:center;color:var(--ink-mute);font-size:.85rem}
.meaning{font-size:1.12rem;font-weight:600}
.quote{
  font-family:'Lora',Georgia,serif;font-size:1.06rem;font-style:italic;color:var(--ink);
  border-left:3px solid var(--blue-500);padding:6px 0 6px 16px;margin:0;
}
.quote .tr{display:block;font-style:normal;font-family:'Inter',sans-serif;font-size:.93rem;color:var(--ink-soft);margin-top:6px}
.synlist{display:flex;flex-wrap:wrap;gap:8px}
.synlist span{background:var(--blue-50);border:1px solid var(--blue-100);color:var(--blue-700);border-radius:999px;padding:4px 12px;font-size:.84rem;font-weight:500}
.gloss{background:#F8FAFC;border:1px solid var(--border);border-radius:12px;padding:12px 14px;font-size:.88rem}
.gloss b{color:var(--blue-700)}

/* Penjelasan AWL di halaman Vocabulary (kartu yang bisa dibuka/tutup) */
.awl-note{
  background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;
}
.awl-note > summary{
  cursor:pointer;padding:16px 20px;font-weight:650;color:var(--ink);font-size:.95rem;
  display:flex;align-items:center;gap:10px;list-style:none;
}
.awl-note > summary::-webkit-details-marker{display:none}
.awl-note > summary::before{
  content:'▸';color:var(--blue-600);font-size:.9rem;line-height:1;flex:0 0 auto;
  transition:transform .18s ease;
}
.awl-note[open] > summary::before{transform:rotate(90deg)}
.awl-note > summary:hover{background:var(--blue-50)}
.awl-note > summary:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(59,130,246,.25)}
.awl-body{padding:2px 20px 18px;color:var(--ink-soft);font-size:.92rem}
.awl-body p{margin:0 0 10px}
.awl-body h4{margin:16px 0 8px;color:var(--ink);font-size:.95rem}
.awl-body ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px}
.awl-body li{padding-left:2px}

/* --------------------------------- soal ---------------------------------- */
.options{display:flex;flex-direction:column;gap:12px;margin:16px 0}
.option{
  display:flex;gap:14px;align-items:flex-start;text-align:left;
  background:var(--card-solid);border:1.5px solid var(--border);border-radius:14px;
  padding:14px 16px;cursor:pointer;font-family:inherit;font-size:.97rem;color:var(--ink);
  transition:.15s;width:100%;
}
.option:hover:not(:disabled){border-color:var(--blue-500);background:var(--blue-50);transform:translateY(-1px)}
.option .letter{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:var(--blue-50);color:var(--blue-700);
  display:grid;place-items:center;font-weight:700;font-size:.85rem;border:1px solid var(--blue-100);
}
.option.correct{border-color:#16A34A;background:var(--green-soft)}
.option.correct .letter{background:#16A34A;color:#fff;border-color:#16A34A}
.option.wrong{border-color:#DC2626;background:var(--red-soft)}
.option.wrong .letter{background:#DC2626;color:#fff;border-color:#DC2626}
.option:disabled{cursor:default}
.prompt{font-size:1.15rem;line-height:1.75;font-family:'Lora',Georgia,serif}
.prompt u{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--blue-500)}
.ulabel{font-size:.7rem;font-weight:700;color:var(--blue-700);vertical-align:super;margin-right:2px;font-family:'Inter',sans-serif}

.feedback{border-radius:16px;padding:18px;margin-top:16px;border:1px solid transparent}
.feedback.ok{background:var(--green-soft);border-color:rgba(21,128,61,.2)}
.feedback.no{background:var(--red-soft);border-color:rgba(185,28,28,.2)}
.feedback .ftitle{display:flex;align-items:center;gap:10px;font-weight:700;margin-bottom:8px}
.feedback.ok .ftitle{color:var(--green)}
.feedback.no .ftitle{color:var(--red)}
.passage{
  font-family:'Lora',Georgia,serif;font-size:1.03rem;line-height:1.85;color:#111827;white-space:pre-wrap;
}
.passage-wrap{max-height:none}
.qnav{display:flex;gap:8px;flex-wrap:wrap}
.qnav button{
  width:38px;height:38px;border-radius:11px;border:1px solid var(--border);background:#fff;cursor:pointer;
  font-weight:600;color:var(--ink-soft);font-family:inherit;
}
.qnav button.active{background:var(--blue-600);color:#fff;border-color:var(--blue-600)}
.qnav button.done{background:var(--green-soft);color:var(--green);border-color:rgba(21,128,61,.25)}
.qnav button.wrongd{background:var(--red-soft);color:var(--red);border-color:rgba(185,28,28,.25)}

/* ------------------------------- chat AI --------------------------------- */
.chatbox{display:flex;flex-direction:column;gap:12px;margin-top:14px}
.chatlog{display:flex;flex-direction:column;gap:10px;max-height:340px;overflow:auto;padding-right:4px}
.msg{border-radius:14px;padding:12px 14px;font-size:.93rem;white-space:pre-wrap}
.msg.user{background:var(--blue-600);color:#fff;align-self:flex-end;max-width:88%}
.msg.ai{background:#fff;border:1px solid var(--border);align-self:flex-start;max-width:92%;width:100%}
.msg.ai.msg-long{max-height:380px;overflow:auto}
.msg.sys{background:#F1F5F9;color:var(--ink-soft);font-size:.86rem}
.msg.ai strong{color:var(--blue-700)}
.msg.ai code{background:#EEF2FF;border-radius:6px;padding:0 5px;font-size:.9em}
.msg.ai em{font-style:italic;color:var(--ink-soft)}
.chatinput{display:flex;gap:10px}
.chatinput input{flex:1}

/* ------------------------------ simulasi --------------------------------- */
/* Kolom soal saat section tidak memakai bacaan (Structure, Written Expression,
   Listening): dibatasi lebarnya supaya tetap nyaman dibaca, tidak melebar
   penuh seperti layout berdampingan dengan passage. */
.sim-single{max-width:860px;margin:0 auto;width:100%}
.timer{
  font-variant-numeric:tabular-nums;font-weight:700;font-size:1.05rem;color:var(--blue-700);
  background:var(--blue-50);border:1px solid var(--blue-100);border-radius:12px;padding:8px 14px;
}
.timer.danger{background:var(--red-soft);color:var(--red);border-color:rgba(185,28,28,.2)}
.score-ring{
  width:190px;height:190px;border-radius:50%;display:grid;place-items:center;margin:0 auto;
  background:conic-gradient(var(--blue-600) var(--pct,0%), #E2E8F0 0);
  position:relative;
}
.score-ring::after{
  content:'';position:absolute;inset:14px;border-radius:50%;background:#fff;
}
.score-ring .inner{position:relative;text-align:center;z-index:1}
.score-ring .num{font-size:2.5rem;font-weight:700;color:var(--blue-700);line-height:1}
.score-ring .cap{font-size:.76rem;color:var(--ink-mute);letter-spacing:.08em;text-transform:uppercase}
/* Versi kecil: dipakai kartu hasil simulasi per modul di dashboard */
.score-ring.small{width:104px;height:104px;flex:0 0 auto}
.score-ring.small::after{inset:9px}
.score-ring.small .num{font-size:1.55rem}
.score-ring.small .cap{font-size:.62rem}

/* Panel hasil simulasi per modul (dashboard) + grafik batang skornya */
.sim-panel{
  border:1px solid var(--border);border-radius:var(--radius);background:var(--card-solid);
  padding:16px;min-width:0;
}
/* Grafik batang: tiap batang = satu sesi simulasi (kanan = paling baru) */
.sim-bars{
  display:flex;align-items:flex-end;gap:6px;height:64px;margin:14px 0 6px;
  padding:6px 8px;background:var(--blue-50);border-radius:12px;
}
.sim-bar{
  flex:1;min-width:8px;border-radius:6px 6px 3px 3px;
  background:linear-gradient(180deg,var(--blue-500),var(--blue-600));opacity:.55;
}
.sim-bar.current{opacity:1;background:linear-gradient(180deg,var(--violet),var(--blue-600))}
.audio-play{
  display:flex;align-items:center;gap:12px;background:var(--blue-50);border:1px solid var(--blue-100);
  border-radius:14px;padding:14px 16px;
}
.speaking-dot{width:10px;height:10px;border-radius:50%;background:var(--blue-600);animation:pulse 1s infinite}
@keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}

/* --------------------------------- list ---------------------------------- */
.list{display:flex;flex-direction:column;gap:12px}
.list-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:14px;padding:14px 16px;
}
.list-item .li-main{flex:1}
.table{width:100%;border-collapse:collapse;font-size:.9rem}
.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-mute)}
/* Tombol aksi di dalam sel tabel.
   PENTING: jangan memasang display:flex pada elemen <td> itu sendiri — sel yang bukan
   lagi table-cell akan dibungkus sel anonim oleh peramban, sehingga isinya tidak
   sejajar dengan kolom lain (pernah terjadi pada kolom Bukti transfer). Flex ditaruh
   pada <div> di dalam sel, dan tiap tombol menempati slot selebar sama supaya
   kolomnya rapi walau ada baris yang tombolnya tidak lengkap. */
.tbl-actions{display:flex;align-items:center;gap:8px;white-space:nowrap}
.tbl-actions .act-slot{display:inline-flex;align-items:center;min-width:66px}
.tbl-actions .btn small,.tbl-actions .btn{white-space:nowrap}

/* -------------------------------- modal ---------------------------------- */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.45);display:grid;place-items:center;padding:20px;z-index:60}
.modal[hidden],.toast[hidden]{display:none}
.modal-box{background:#fff;border-radius:var(--radius-lg);padding:26px;max-width:520px;width:100%;box-shadow:var(--shadow-lg)}
.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  background:#0F172A;color:#fff;padding:12px 20px;border-radius:12px;font-size:.9rem;z-index:80;
  box-shadow:var(--shadow-lg);max-width:90vw;
}
.toast.err{background:#991B1B}
.toast.ok{background:#14532D}

/* ------------------------- simulasi: pilihan mode ------------------------ */
/* Kartu pilihan cara pengerjaan di halaman Simulasi Tes (2 mode per modul). */
.mode-card{
  display:flex;flex-direction:column;gap:4px;width:100%;text-align:left;
  background:#fff;border:1.5px solid var(--border);border-radius:14px;padding:13px 15px;
  font-family:inherit;cursor:pointer;transition:.15s;
}
.mode-card:hover{border-color:var(--blue-500);transform:translateY(-1px);box-shadow:0 8px 18px rgba(29,78,216,.10)}
.mode-card .mode-title{font-weight:650;font-size:.95rem;color:var(--ink)}
.mode-card .mode-desc{font-size:.82rem;color:var(--ink-mute);line-height:1.45}
.mode-card.primary{background:linear-gradient(135deg,var(--blue-600),var(--blue-500));border-color:var(--blue-600)}
.mode-card.primary .mode-title,.mode-card.primary .mode-desc{color:#fff}
.mode-card.primary .mode-desc{color:rgba(255,255,255,.86)}
.mode-card.primary:hover{border-color:var(--blue-700)}
.mode-card.loading{opacity:.85;cursor:default}
.mode-card.loading .mode-title,.mode-card.loading .mode-desc{color:#fff}
.mode-card:disabled{cursor:default}

/* Bacaan yang bisa dibuka/tutup pada halaman pembahasan simulasi */
.passage-fold{margin:6px 0 10px}
.passage-fold > summary{cursor:pointer;font-size:.84rem;color:var(--blue-700);font-weight:600;list-style:none}
.passage-fold > summary::-webkit-details-marker{display:none}
.passage-fold[open] > summary{margin-bottom:8px}
.passage-fold .passage{max-height:320px;overflow:auto;border:1px solid var(--border);border-radius:12px;padding:12px 14px}

/* -------------------------------- footer --------------------------------- */
.footer{max-width:1180px;margin:0 auto;padding:0 20px 48px;color:var(--ink-mute);font-size:.85rem}
.footer p{border-top:1px solid var(--border);padding-top:18px}

/* ------------------------------ empty state ------------------------------ */
.empty{
  text-align:center;padding:44px 24px;border:1.5px dashed var(--border-strong);border-radius:var(--radius-lg);
  background:rgba(255,255,255,.55);color:var(--ink-soft);
}
.empty h3{margin-bottom:6px}
.spinner{
  width:20px;height:20px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;
  animation:spin .8s linear infinite;display:inline-block;
}
.spinner.dark{border-color:rgba(29,78,216,.25);border-top-color:var(--blue-700)}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,#EEF2F7,#F8FAFC,#EEF2F7);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px;height:14px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* ------------------------------ responsive ------------------------------- */
@media (max-width:980px){
  .grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
}
@media (max-width:760px){
  .topbar-right .uname{display:none}
  h1{font-size:1.6rem}
  /* minmax(0,1fr): satu kolom penuh, tetapi tetap boleh menyusut (lihat catatan min-width di atas) */
  .grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:minmax(0,1fr)}
  .app{padding:22px 16px 52px}
  .card{padding:18px}
  .flashword{font-size:2rem}
  .score-ring{width:160px;height:160px}
}


/* ==========================================================================
   Kerangka aplikasi: header + navigasi samping (laptop & tablet),
   digantikan laci geser pada layar ponsel.
   ========================================================================== */
.shell{display:flex;align-items:flex-start;gap:0;max-width:1440px;margin:0 auto;padding:0 20px}

/* ==========================================================================
   Menu samping (laptop & tablet): kolom menu tema terang — tanpa latar khusus,
   butir aktif berlatar biru muda. Lebarnya tetap (248px, 208px di tablet kecil);
   tidak ada tombol perkecil/perbesar menu (pernah ada, lalu dihapus atas
   permintaan pemilik).
   ========================================================================== */
.sidenav{
  flex:0 0 248px;width:248px;position:sticky;top:calc(var(--nav-h) + 10px);
  align-self:flex-start;max-height:calc(100vh - var(--nav-h) - 24px);overflow:auto;
  padding:18px 12px 18px 0;
}
.sidenav .mainnav{display:flex;flex-direction:column;gap:4px;flex:none}
.sidenav .mainnav a{
  display:flex;align-items:center;padding:11px 14px;border-radius:12px;
  color:var(--ink-soft);font-weight:500;font-size:.94rem;
}
.sidenav .mainnav a:hover{background:var(--blue-50);color:var(--blue-700);text-decoration:none}
.sidenav .mainnav a.active{background:var(--blue-100);color:var(--blue-700);font-weight:600;box-shadow:inset 0 0 0 1px var(--blue-100)}
/* Butir menu materi saat masa aktif langganan berakhir (terkunci) */
.sidenav .mainnav a.nav-locked{opacity:.55}
.sidenav .mainnav a.nav-locked:hover{background:transparent;color:var(--ink-soft)}
.sidenav .mainnav a .lock-ico{font-size:.72rem;line-height:1;margin-left:auto;opacity:.75}
.sidenav-foot{margin-top:18px;padding:14px 12px;border-top:1px solid var(--border)}
.sidenav.hidden{display:none}
.shell .app{flex:1;min-width:0;padding:28px 0 64px}
.scrim{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:45;backdrop-filter:blur(2px)}
.spacer{flex:1}

/* ==========================================================================
   Profil pengguna di pojok kanan atas header (seperti semula).
   Menekan profil memunculkan pilihan "Pengaturan akun" dan "Keluar".
   ========================================================================== */
.profile{position:relative}
.profile-btn{
  display:flex;align-items:center;gap:10px;
  background:var(--card-solid);border:1px solid var(--border);border-radius:999px;
  padding:5px 6px 5px 14px;cursor:pointer;font-family:inherit;
  box-shadow:0 2px 8px rgba(15,23,42,.04);transition:.15s;
}
.profile-btn:hover{border-color:var(--blue-500)}
.profile-btn .uname{font-size:.86rem;font-weight:600;color:var(--ink)}
.profile-btn .uavatar{
  width:32px;height:32px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue-600),var(--violet));
  color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem;
}
.profile-menu{
  position:absolute;right:0;top:calc(100% + 8px);z-index:60;min-width:196px;
  background:#fff;border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-lg);padding:6px;display:flex;flex-direction:column;gap:2px;
}
.profile-menu[hidden]{display:none}
.profile-item{
  display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:0;border-radius:10px;
  background:none;font-family:inherit;font-size:.88rem;color:var(--ink-soft);cursor:pointer;
  text-align:left;text-decoration:none;
}
.profile-item:hover{background:var(--blue-50);color:var(--blue-700);text-decoration:none}
.profile-item:last-child{color:var(--red)}
.profile-item:last-child:hover{background:var(--red-soft);color:var(--red)}

/* ==========================================================================
   Mode laci (ponsel, termasuk ponsel dalam posisi mendatar).
   Kelas `nav-drawer` dipasang di <html> oleh skrip kecil di <head> dan
   diperbarui saat layar berubah ukuran (lihat boot.js). Dengan cara ini mode
   laci juga berlaku untuk ponsel landscape yang lebarnya > 719px, sedangkan
   tablet (>= 720px) tetap memakai menu di samping.
   ========================================================================== */
.nav-drawer .shell{display:block;padding:0 16px}
.nav-drawer .nav-toggle{display:block}
/* Di halaman publik (Masuk/Daftar/Lupa password) tombol ☰ tidak perlu tampil:
   menu samping memang tidak tersedia sebelum pengguna masuk. Profil pun tidak
   ditampilkan (lihat renderChrome di boot.js). */
html.public-page .nav-toggle{display:none}
.nav-drawer .sidenav{
  position:fixed;top:0;left:0;bottom:auto;
  /* Tinggi ditetapkan eksplisit dari ukuran pandangan; mengandalkan
     top+bottom pada elemen fixed tidak menghasilkan tinggi = tinggi layar di
     peramban ponsel, sehingga laci menjadi setinggi isinya (menu bawah tidak
     terjangkau di layar pendek). 100dvh memperhitungkan bilah alamat. */
  height:100vh;height:100dvh;
  max-height:100vh;max-height:100dvh;
  width:82vw;max-width:300px;min-width:240px;
  z-index:50;
  overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  background:#fff;border-right:1px solid var(--border);
  padding:16px 16px calc(24px + env(safe-area-inset-bottom, 0px));
  transform:translateX(-102%);
  transition:transform .22s ease;
  box-shadow:var(--shadow-lg);
}
.nav-drawer .sidenav.open{transform:translateX(0)}
/* Menu di dalam laci mengikuti tata letak normal (bukan absolut) supaya seluruh
   butir menu terlihat dan bisa digulir di layar kecil. */
.nav-drawer .sidenav .mainnav{
  display:flex;flex-direction:column;gap:2px;flex:none;
  position:static;top:auto;left:auto;right:auto;width:auto;
  background:transparent;border:0;box-shadow:none;padding:0;
}
.nav-drawer .sidenav .mainnav a{
  display:flex;align-items:center;min-height:46px;padding:12px 14px;
  font-size:1rem;border-radius:12px;
}
.nav-drawer .sidenav-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:4px 4px 14px;margin-bottom:10px;border-bottom:1px solid var(--border);
}
.nav-drawer .sidenav-title{font-weight:700;font-size:.98rem;line-height:1.2;display:flex;flex-direction:column}
.nav-drawer .sidenav-title small{font-weight:400;font-size:.74rem;color:var(--ink-mute);margin-top:2px}
.nav-drawer .sidenav-foot{display:block;margin-top:14px}
.nav-drawer .shell .app{padding:16px 0 56px}
.nav-drawer .brand-text small{display:none}
/* Header ponsel: logo + tombol menu (profil ada di kanan header) */
.nav-drawer .topbar-inner{padding:10px 16px;gap:14px}
.nav-drawer .brand-mark{width:36px;height:36px;border-radius:11px}
.nav-drawer #userbox .profile-btn{padding:4px 5px 4px 10px}
/* Saat laci terbuka, halaman di belakang tidak ikut tergulir */
.nav-drawer body.drawer-open{overflow:hidden;touch-action:none}

/* Laci hanya boleh hidup di mode laci */
html:not(.nav-drawer) .sidenav-head{display:none}
html:not(.nav-drawer) .sidenav{transform:none}

/* Laptop kecil & tablet: perkecil lebar menu agar konten tetap lega */
@media (min-width:720px) and (max-width:1080px){
  .shell{padding:0 16px}
  .sidenav{flex:0 0 208px;width:208px;padding-right:8px}
  .sidenav .mainnav a{padding:10px 12px;font-size:.9rem}
}

/* ==========================================================================
   Formulir pendaftaran & langganan
   ========================================================================== */
.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.plan-card{
  border:1.5px solid var(--border);border-radius:16px;padding:18px;background:#fff;cursor:pointer;
  transition:.15s;text-align:left;font-family:inherit;
}
.plan-card:hover{border-color:var(--blue-500);transform:translateY(-1px)}
.plan-card.selected{border-color:var(--blue-600);background:var(--blue-50);box-shadow:0 8px 20px rgba(29,78,216,.12)}
.plan-card .plan-name{font-weight:700;font-size:1.05rem;color:var(--ink)}
.plan-card .plan-price{font-size:1.4rem;font-weight:700;color:var(--blue-700);margin:6px 0 2px}
.plan-card .plan-note{font-size:.82rem;color:var(--ink-mute)}
.dropzone{
  border:1.5px dashed var(--border-strong);border-radius:16px;padding:20px;text-align:center;
  background:rgba(255,255,255,.6);transition:.15s;
}
.dropzone.dragging{border-color:var(--blue-500);background:var(--blue-50)}
.dropzone input[type=file]{display:none}
.preview{display:flex;gap:12px;align-items:center;justify-content:center;flex-wrap:wrap}
.preview img{max-height:150px;border-radius:12px;border:1px solid var(--border)}
.step-list{counter-reset:step;list-style:none;padding:0;margin:0}
.step-list li{position:relative;padding-left:38px;margin-bottom:12px}
.step-list li::before{
  counter-increment:step;content:counter(step);position:absolute;left:0;top:0;
  width:26px;height:26px;border-radius:9px;background:var(--blue-100);color:var(--blue-700);
  display:grid;place-items:center;font-weight:700;font-size:.82rem;
}