/* ==========================================================
   Kana Master — Japanese Learning Platform
   Theme: cream / white / navy (light) + navy (dark)
   ========================================================== */
:root{
  --cream:#f7f3ea;
  --cream-2:#efe9dc;
  --white:#ffffff;
  --navy:#101c2c;
  --navy-2:#1b2c42;
  --navy-3:#2a4059;
  --ink:#16202e;
  --muted:#6b7280;
  --line:#e6e0d3;
  --accent:#c8452f;
  --accent-2:#e2603f;
  --gold:#b8892b;
  --green:#2f7d5c;
  --blue:#3b6ea5;
  --card:#ffffff;
  --shadow:0 8px 24px rgba(16,28,44,.07);
  --shadow-lg:0 22px 60px rgba(16,28,44,.16);
  --r:18px;
  --jp:'Noto Sans JP', system-ui, sans-serif;
  --sans:'Inter','Noto Sans JP', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --nav-w:236px;
}
[data-theme="dark"]{
  --cream:#0d1622;
  --cream-2:#162233;
  --white:#101c2c;
  --ink:#e8eef6;
  --muted:#93a2b5;
  --line:#22334a;
  --card:#122032;
  --navy:#e8eef6;
  --navy-2:#162233;
  --accent:#ff7355;
  --accent-2:#ff8a6d;
  --gold:#e0b050;
  --green:#4fbf90;
  --blue:#6fa8dc;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-lg:0 22px 60px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--cream);color:var(--ink);font-family:var(--sans);
  line-height:1.55;-webkit-font-smoothing:antialiased;
  transition:background .25s,color .25s;
  padding-bottom:env(safe-area-inset-bottom);
}
button{font-family:inherit;color:inherit}
a{color:inherit}
img{max-width:100%}

/* ---------- shell ---------- */
.app{display:flex;min-height:100vh}
.sidebar{
  width:var(--nav-w);flex:none;position:sticky;top:0;height:100vh;padding:20px 14px;
  border-right:1px solid var(--line);background:var(--white);display:flex;flex-direction:column;gap:6px;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;text-decoration:none}
.brand .mark{
  width:38px;height:38px;border-radius:12px;background:var(--navy);color:var(--cream);
  display:grid;place-items:center;font-family:var(--jp);font-size:19px;font-weight:700;flex:none;
}
[data-theme="dark"] .brand .mark{background:var(--accent);color:#101c2c}
.brand b{display:block;font-size:15px;letter-spacing:-.02em}
.brand small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:12px;border:0;
  background:none;color:var(--muted);font-size:13.5px;font-weight:600;cursor:pointer;text-align:left;width:100%;
  transition:.16s;
}
.nav-item .ico{font-family:var(--jp);font-size:15px;width:20px;text-align:center;opacity:.85}
.nav-item:hover{background:var(--cream-2);color:var(--ink)}
.nav-item.active{background:var(--navy);color:var(--cream)}
[data-theme="dark"] .nav-item.active{background:var(--accent);color:#101c2c}
.nav-sep{margin:10px 8px 6px;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);opacity:.7}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px}
.theme-btn{
  border:1px solid var(--line);background:var(--card);border-radius:12px;padding:10px 12px;
  font-size:12.5px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;
}
.main{flex:1;min-width:0;padding:0 0 40px}
.topbar{
  position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--cream) 86%, transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
.topbar-in{display:flex;align-items:center;gap:12px;padding:12px 18px;max-width:1080px;margin:0 auto}
.topbar h1{font-size:16px;margin:0;letter-spacing:-.01em}
.topbar .crumb{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.topbar-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.chip-stat{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  border:1px solid var(--line);border-radius:99px;padding:5px 10px;background:var(--card);color:var(--muted);
}
.chip-stat b{color:var(--ink)}
.container{max-width:1080px;margin:0 auto;padding:22px 18px}
.bottom-nav{display:none}

@media (max-width:860px){
  .sidebar{display:none}
  .main{padding-bottom:86px}
  .bottom-nav{
    display:grid;grid-template-columns:repeat(5,1fr);gap:2px;position:fixed;left:0;right:0;bottom:0;z-index:40;
    background:var(--white);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .bottom-nav button{
    border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:2px;
    font-size:9.5px;font-weight:600;color:var(--muted);padding:6px 2px;border-radius:10px;cursor:pointer;
  }
  .bottom-nav .ico{font-family:var(--jp);font-size:17px}
  .bottom-nav button.active{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%, transparent)}
  .topbar h1{font-size:14px}
  .container{padding:16px 14px}
}

/* ---------- typography ---------- */
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2}
h2{font-size:clamp(1.25rem,3vw,1.6rem);font-weight:800}
h3{font-size:1.02rem;font-weight:700}
.lede{color:var(--muted);font-size:14px;margin:6px 0 0;max-width:60ch}
.small{font-size:12.5px;color:var(--muted)}
.tiny{font-size:11px;color:var(--muted)}
.jp{font-family:var(--jp)}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin:26px 0 14px;flex-wrap:wrap}

/* ---------- buttons ---------- */
.btn{
  border:0;cursor:pointer;border-radius:12px;font-weight:700;font-size:13.5px;padding:11px 18px;
  display:inline-flex;align-items:center;gap:8px;transition:.16s;min-height:44px;white-space:nowrap;
}
.btn:active{transform:scale(.985)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(200,69,47,.25)}
.btn-primary:hover:not(:disabled){background:var(--accent-2)}
.btn-dark{background:var(--navy);color:var(--cream)}
[data-theme="dark"] .btn-dark{background:var(--accent);color:#101c2c}
.btn-light{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn-light:hover:not(:disabled){border-color:color-mix(in srgb,var(--ink) 30%, transparent)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-sm{padding:8px 13px;font-size:12.5px;min-height:36px;border-radius:10px}
.btn-block{width:100%;justify-content:center}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* ---------- hero ---------- */
.hero{
  background:var(--navy);color:#fff;border-radius:22px;padding:clamp(20px,3.4vw,34px);
  position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
}
[data-theme="dark"] .hero{background:linear-gradient(140deg,#16283d,#0f1a29);border:1px solid var(--line)}
.hero::after{
  content:"日本語";position:absolute;right:-14px;bottom:-42px;font-family:var(--jp);font-weight:900;
  font-size:120px;color:rgba(255,255,255,.05);pointer-events:none;line-height:1;
}
.hero .tag{
  display:inline-flex;gap:7px;align-items:center;font-size:10.5px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:#ffd9cf;background:rgba(200,69,47,.28);border:1px solid rgba(255,255,255,.16);
  padding:5px 10px;border-radius:99px;
}
.hero h2{color:#fff;margin-top:14px;font-size:clamp(1.5rem,4vw,2.15rem)}
.hero p{color:rgba(255,255,255,.75);max-width:46ch;margin:10px 0 0;font-size:14px}
.hero-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px;position:relative;z-index:1}

/* ---------- stats & progress ---------- */
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow)}
.stat .k{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.stat .v{font-size:clamp(1.3rem,3vw,1.75rem);font-weight:800;letter-spacing:-.03em;margin-top:4px;line-height:1.05}
.stat .s{font-size:11px;color:var(--muted);margin-top:2px}
.progress{height:8px;border-radius:99px;background:var(--cream-2);overflow:hidden}
.progress > i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--navy),var(--navy-3));transition:width .7s cubic-bezier(.2,.7,.3,1)}
[data-theme="dark"] .progress > i{background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.progress.accent > i{background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.progress.green > i{background:linear-gradient(90deg,var(--green),#57c99a)}
.progress.gold > i{background:linear-gradient(90deg,var(--gold),#d9ab52)}
.progress.blue > i{background:linear-gradient(90deg,var(--blue),#74a5d8)}
.p-row{margin-bottom:14px}
.p-row .t{display:flex;justify-content:space-between;font-size:12.5px;font-weight:600;margin-bottom:6px}
.p-row .t span{color:var(--muted);font-weight:600}

/* ---------- pills/tags ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;padding:4px 9px;border-radius:99px;background:var(--cream-2);color:var(--ink)}
.pill.accent{background:color-mix(in srgb,var(--accent) 15%, transparent);color:var(--accent)}
.pill.green{background:color-mix(in srgb,var(--green) 15%, transparent);color:var(--green)}
.pill.gold{background:color-mix(in srgb,var(--gold) 18%, transparent);color:var(--gold)}
.pill.blue{background:color-mix(in srgb,var(--blue) 15%, transparent);color:var(--blue)}
.tag-row{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px;overflow-x:auto;scrollbar-width:none;box-shadow:var(--shadow)}
.tabs::-webkit-scrollbar{display:none}
.tabs button{
  border:0;background:none;padding:9px 14px;border-radius:10px;font-size:12.5px;font-weight:700;
  color:var(--muted);cursor:pointer;white-space:nowrap;min-height:38px;
}
.tabs button:hover{color:var(--ink)}
.tabs button.active{background:var(--navy);color:var(--cream)}
[data-theme="dark"] .tabs button.active{background:var(--accent);color:#101c2c}
.tabs.sm button{padding:7px 11px;font-size:11.5px;min-height:34px}

/* ---------- kana grid ---------- */
.kana-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:9px}
@media(max-width:430px){.kana-grid{grid-template-columns:repeat(5,1fr);gap:6px}}
.kana-card{
  background:var(--card);border:1px solid var(--line);border-radius:13px;padding:11px 5px 9px;text-align:center;
  cursor:pointer;transition:.16s;position:relative;
}
.kana-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--ink) 18%, transparent)}
.kana-card .ch{font-family:var(--jp);font-size:29px;line-height:1.05;color:var(--ink)}
.kana-card .ro{font-size:10.5px;color:var(--muted);font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
.kana-card .dot{position:absolute;top:7px;right:7px;width:7px;height:7px;border-radius:50%;background:var(--cream-2);border:1px solid var(--line)}
.kana-card.mastered{border-color:color-mix(in srgb,var(--green) 45%, transparent);background:color-mix(in srgb,var(--green) 8%, var(--card))}
.kana-card.mastered .dot{background:var(--green);border-color:var(--green)}

/* ---------- practice ---------- */
.practice-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:start}
@media(max-width:860px){.practice-wrap{grid-template-columns:1fr}}
.canvas-box{
  position:relative;width:100%;aspect-ratio:1/1;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:
    linear-gradient(to right, transparent 49.6%, color-mix(in srgb,var(--ink) 10%, transparent) 49.6%, color-mix(in srgb,var(--ink) 10%, transparent) 50.4%, transparent 50.4%),
    linear-gradient(to bottom, transparent 49.6%, color-mix(in srgb,var(--ink) 10%, transparent) 49.6%, color-mix(in srgb,var(--ink) 10%, transparent) 50.4%, transparent 50.4%),
    var(--card);
  touch-action:none;-webkit-user-select:none;user-select:none;
}
.canvas-box canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}
.score-card{text-align:center;padding:16px;border-radius:14px;background:var(--cream-2);border:1px solid var(--line)}
.score-card .big{font-size:40px;font-weight:800;letter-spacing:-.04em;line-height:1}
.score-card .lbl{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700;margin-top:2px}
.score-card .fb{font-size:12.5px;margin-top:8px}
.score-card.good .big{color:var(--green)}
.score-card.mid .big{color:var(--gold)}
.score-card.bad .big{color:var(--accent)}

/* ---------- flashcard ---------- */
.fc-stage{perspective:1200px;max-width:520px;margin:0 auto}
.fc{
  position:relative;width:100%;min-height:290px;border-radius:22px;cursor:pointer;
  transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.fc.flipped{transform:rotateY(180deg)}
.fc-face{
  position:absolute;inset:0;backface-visibility:hidden;border-radius:22px;padding:22px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.fc-face.back{transform:rotateY(180deg);background:var(--navy);color:#fff}
.fc-face .big{font-family:var(--jp);font-size:76px;line-height:1;font-weight:500}
.fc-face .romaji{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-top:10px}
.fc-face .art{font-size:24px;font-weight:800}
.fc-face .sub{font-size:13px;color:var(--muted);margin-top:8px;max-width:30ch}
.fc-face.back .sub{color:rgba(255,255,255,.75)}
.fc-hint{position:absolute;bottom:14px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);opacity:.7}

/* ---------- vocab / kanji list ---------- */
.list{display:grid;gap:9px}
.item{
  background:var(--card);border:1px solid var(--line);border-radius:13px;padding:13px 15px;
  display:flex;align-items:center;gap:14px;cursor:pointer;transition:.16s;
}
.item:hover{border-color:color-mix(in srgb,var(--ink) 18%, transparent);transform:translateY(-1px);box-shadow:var(--shadow)}
.item .jp-big{font-family:var(--jp);font-size:23px;min-width:74px;line-height:1.15}
.item .jp-big small{display:block;font-size:11px;color:var(--muted);font-family:var(--sans);margin-top:1px}
.item .mid{flex:1;min-width:0}
.item .mid b{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:block}
.item .mid span{font-size:13.5px}
.item .go{color:var(--muted);font-size:14px}
.item.known{border-left:3px solid var(--green)}

.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.detail-grid .k{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.detail-grid .v{font-size:14px}
.example{background:var(--cream-2);border-radius:10px;padding:10px 12px;margin-top:10px}
.example .jp{font-family:var(--jp);font-size:15px}
.example .id{font-size:12px;color:var(--muted);margin-top:3px}

/* ---------- grammar ---------- */
.grammar-formula{font-family:var(--jp);background:var(--navy);color:#fff;border-radius:10px;padding:10px 14px;font-size:14px;margin:10px 0}
[data-theme="dark"] .grammar-formula{background:var(--cream-2);color:var(--ink);border:1px solid var(--line)}
.q-opt{
  display:block;width:100%;text-align:left;border:1.5px solid var(--line);background:var(--card);
  border-radius:11px;padding:11px 14px;font-size:13.5px;font-weight:600;cursor:pointer;margin-bottom:7px;transition:.15s;color:var(--ink);
}
.q-opt:hover:not(:disabled){border-color:var(--navy);background:var(--cream-2)}
.q-opt.correct{background:color-mix(in srgb,var(--green) 14%, var(--card));border-color:var(--green);color:var(--green)}
.q-opt.wrong{background:color-mix(in srgb,var(--accent) 12%, var(--card));border-color:var(--accent);color:var(--accent)}
.q-opt:disabled{cursor:default}

/* ---------- quiz ---------- */
.quiz-card{max-width:620px;margin:0 auto}
.opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
@media(max-width:480px){.opt-grid{grid-template-columns:1fr}}
.opt{
  border:1.5px solid var(--line);background:var(--card);border-radius:12px;padding:14px;font-size:15px;
  font-weight:700;cursor:pointer;transition:.15s;color:var(--ink);min-height:54px;text-align:center;
}
.opt:hover:not(:disabled){border-color:var(--ink)}
.opt.correct{background:color-mix(in srgb,var(--green) 14%, var(--card));border-color:var(--green);color:var(--green)}
.opt.wrong{background:color-mix(in srgb,var(--accent) 12%, var(--card));border-color:var(--accent);color:var(--accent)}
.opt:disabled{cursor:default;opacity:.95}

/* ---------- reading ---------- */
.passage{font-family:var(--jp);font-size:16px;line-height:2.1;letter-spacing:.01em}
.passage ruby rt{font-size:9px;color:var(--muted);letter-spacing:0}
.passage .p{color:var(--muted);font-size:13px;font-family:var(--sans);line-height:1.7;margin-top:12px}

/* ---------- mock test ---------- */
.timer{font-family:var(--mono, ui-monospace);font-size:15px;font-weight:800;padding:6px 12px;border-radius:99px;background:var(--card);border:1px solid var(--line)}
.timer.warn{color:var(--accent);border-color:var(--accent)}
.qnav{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:6px}
.qnav button{
  border:1px solid var(--line);background:var(--card);border-radius:9px;height:38px;font-size:12px;font-weight:700;
  cursor:pointer;color:var(--muted);
}
.qnav button.answered{background:var(--green);border-color:var(--green);color:#fff}
.qnav button.current{outline:2px solid var(--accent);outline-offset:1px;color:var(--ink)}
.mt-q{max-width:640px;margin:0 auto}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:90;display:none;padding:14px;background:rgba(10,18,28,.55);backdrop-filter:blur(5px);overflow:auto}
.modal.show{display:grid;place-items:center}
.modal-card{
  background:var(--card);border-radius:20px;width:100%;max-width:520px;padding:22px;position:relative;
  box-shadow:var(--shadow-lg);animation:pop .24s ease;max-height:90vh;overflow:auto;
}
@keyframes pop{from{opacity:0;transform:scale(.97) translateY(8px)}to{opacity:1;transform:none}}
.close-x{
  position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  background:var(--cream-2);color:var(--muted);cursor:pointer;font-size:14px;z-index:2;
}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);opacity:0;pointer-events:none;
  background:var(--navy);color:var(--cream);padding:11px 17px;border-radius:11px;font-size:12.5px;font-weight:600;
  box-shadow:var(--shadow-lg);transition:.22s;z-index:100;max-width:92vw;text-align:center;
}
[data-theme="dark"] .toast{background:var(--accent);color:#101c2c}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- misc ---------- */
.empty{text-align:center;color:var(--muted);font-size:13px;padding:26px 12px}
[hidden]{display:none !important}
.center{text-align:center}
.mt8{margin-top:8px}.mt14{margin-top:14px}.mt20{margin-top:20px}
.audio-btn{
  border:1px solid var(--line);background:var(--card);border-radius:10px;min-width:38px;min-height:36px;
  display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:12px;font-weight:700;cursor:pointer;
}
.audio-btn:hover{border-color:var(--accent);color:var(--accent)}
.audio-btn:disabled{opacity:.45;cursor:not-allowed}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.spin{display:inline-block;width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* --- perbaikan mobile kecil --- */
@media (max-width:520px){
  .topbar-in{padding:10px 14px;gap:8px;flex-wrap:wrap}
  .topbar h1{font-size:15px}
  .topbar .crumb{display:none}
  .topbar-actions{gap:4px;margin-left:auto}
  .chip-stat{font-size:10px;padding:4px 8px;gap:4px}
  .chip-stat b{font-size:10px}
  .g4{grid-template-columns:1fr 1fr}
  .hero-actions .btn{padding:10px 14px;font-size:13px}
  .hero h2{font-size:1.45rem}
  .item .jp-big{min-width:56px;font-size:20px}
  .fc{min-height:250px}
  .fc-face .big{font-size:60px}
}

/* ---------- chip sinkronisasi (sync.js) ---------- */
.chip-sync{
  border:1px solid var(--line);background:transparent;color:var(--muted);
  cursor:pointer;font-family:inherit;font-size:11px;transition:all .2s;
}
.chip-sync:hover{color:var(--ink);border-color:var(--accent)}
.chip-sync[data-status="ok"]{color:#2f7d52;border-color:#2f7d5244;background:#2f7d5210}
.chip-sync[data-status="syncing"]{color:var(--accent);animation:pulseChip 1.2s infinite}
.chip-sync[data-status="offline"],.chip-sync[data-status="error"]{color:#b4611e;border-color:#b4611e44;background:#b4611e10}
@keyframes pulseChip{0%,100%{opacity:.55}50%{opacity:1}}
@media (max-width:520px){.chip-sync{font-size:10px;padding:4px 8px}}

/* ---------- tombol kembali dalam app ---------- */
.back-btn{
  width:38px;height:38px;min-height:38px;padding:0;border-radius:50%;
  font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
@media (max-width:520px){ .back-btn{width:34px;height:34px;min-height:34px;font-size:18px} }