/* ============================================================
   KURO GRID — design system TG2 Pengolahan Makanan
   Bahasa desain: gelap-teknis, hairline 1px, label mono,
   tanpa gradien generik, tanpa bayangan berat. (v3, 2026-10-07)
   Token lengkap: DESIGN.md
   ============================================================ */
:root{
  --theme:#0d9488;
  --theme-soft:color-mix(in srgb, var(--theme) 12%, #ffffff);
  --bg:#f4f4f5; --card:#ffffff; --text:#131316; --muted:#71717a;
  --border:#e2e2e6; --soft:#fafafa; --input-bg:#ffffff;
  --ok-bg:#ecfdf5; --ok-bd:#10b981; --ok-tx:#047857;
  --err-bg:#fef2f2; --err-bd:#ef4444; --err-tx:#b91c1c;
  --gold:#d9a40a;
  --r-lg:10px; --r-md:8px;
  --font-d:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN",sans-serif;
  --font-b:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  --font-m:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
body.dark{
  --theme:#14b8a6;
  --theme-soft:color-mix(in srgb, var(--theme) 22%, #101014);
  --bg:#0a0a0c; --card:#131316; --text:#f4f4f5; --muted:#a1a1aa;
  --border:#26262c; --soft:#1a1a1f; --input-bg:#131316;
  --ok-bg:rgba(16,185,129,.13); --ok-bd:#34d399; --ok-tx:#6ee7b7;
  --err-bg:rgba(239,68,68,.13); --err-bd:#f87171; --err-tx:#fca5a5;
  --gold:#facc15;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font-b);background:var(--bg);color:var(--text);touch-action:manipulation;-webkit-tap-highlight-color:transparent}
#app{max-width:560px;margin:0 auto;background:var(--bg);min-height:100vh;position:relative}
.screen{display:none}
.screen.active{display:block}
.hidden{display:none!important}
.pad{padding:12px 16px}
.muted{color:var(--muted)}
.small{font-size:13px}
.tiny{font-size:11px}
.center{text-align:center}
h3.center{margin:18px 0 10px;font-family:var(--font-d);letter-spacing:.02em}
/* label mikro ala Raycast: mono, uppercase, renggang */
.mlabel{font-family:var(--font-m);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
/* topbar */
#topbar{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
#topbar.hidden{display:none}
.tb-titles{flex:1;text-align:center}
.tb-titles h1{font-size:17px;margin:0;font-family:var(--font-d);letter-spacing:.04em}
.tb-titles p{margin:2px 0 0;font-size:11px;color:var(--muted);font-family:var(--font-m);letter-spacing:.08em}
#tb-right{display:flex;align-items:center;gap:8px}
.boxbtn{border:1px solid var(--border);background:var(--card);font-size:18px;min-width:40px;height:40px;border-radius:var(--r-md);cursor:pointer;color:var(--text)}
.boxbtn:active{background:var(--soft)}
/* drawer */
#scrim{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:29}
#drawer{position:fixed;top:0;left:50%;transform:translateX(-50%);width:100%;max-width:560px;height:100%;background:var(--card);z-index:30;overflow-y:auto;transition:margin .25s;border-right:1px solid var(--border)}
#drawer.hidden{display:none}
.dr-head{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--border);font-size:16px;font-family:var(--font-d)}
.dr-sec{font-family:var(--font-m);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:14px 16px 6px}
.dr-item{display:flex;align-items:center;gap:12px;width:100%;border:none;background:none;padding:11px 16px;font-size:15px;color:var(--text);cursor:pointer;text-align:left;border-bottom:1px solid var(--border)}
.dr-item:active{background:var(--soft)}
.di{width:36px;height:36px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;border:1px solid var(--border);background:var(--soft)}
/* main + nav */
#main{padding-bottom:84px}
#main.hidden{display:none}
#bottomnav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:560px;display:flex;background:var(--card);border-top:1px solid var(--border);z-index:20}
#bottomnav.hidden{display:none}
.navbtn{flex:1;border:none;background:none;padding:9px 0 12px;font-size:20px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;color:var(--muted)}
.navbtn span{font-size:10px;font-family:var(--font-m);letter-spacing:.08em;text-transform:uppercase}
.navbtn.active{color:var(--theme)}
/* dashboard */
.banner{text-align:center;padding:16px 8px 12px;margin:2px 0 12px;border-bottom:1px solid var(--border)}
.banner-title{display:block;font-family:var(--font-d);font-weight:700;font-size:26px;letter-spacing:.28em;text-indent:.28em;color:var(--text)}
.banner-sub{display:block;font-family:var(--font-m);font-size:10.5px;letter-spacing:.3em;text-indent:.3em;color:var(--muted);margin-top:8px;text-transform:uppercase}
.banner-rule{display:none}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:14px;margin:10px 0}
.card-tsm{font-family:var(--font-m);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);text-align:center}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.card-head b{font-family:var(--font-d);letter-spacing:.02em}
.streak-row{display:flex;gap:8px;overflow-x:auto;padding:4px 0 8px}
.streak-card{flex:1;min-width:96px;background:#141417;border:1px solid #2c2c32;border-radius:var(--r-md);padding:10px 6px;text-align:center;position:relative;overflow:hidden}
.streak-card .fire{font-size:30px;display:flex;justify-content:center}
.streak-card .nx{font-family:var(--font-m);font-weight:700;font-size:16px;margin-top:2px;color:#fff;font-variant-numeric:tabular-nums}
.streak-card .lbl{font-size:11px;color:#9ca3af}
.streak-card.on{border-color:var(--theme)}
.streak-card .earned{position:absolute;top:3px;right:6px;color:var(--theme);font-weight:800;font-size:14px}
.streak-card .embers{position:absolute;inset:0;pointer-events:none}
/* ===== Efek api streak 20: bara dashboard + lidah api tepi + cahaya hangat ===== */
#fx-layer{position:fixed;top:0;bottom:0;left:50%;transform:translateX(-50%);width:min(560px,100%);pointer-events:none;z-index:15;overflow:hidden}
#fx-layer.hidden{display:none}
.fx-glow{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 22%, var(--fxg1,rgba(255,110,30,.13)), var(--fxg2,rgba(255,80,20,.05)) 45%, transparent 70%)}
@keyframes fxrise{0%{transform:translateY(0) translateX(0) scale(1);opacity:0}12%{opacity:.85}70%{opacity:.35}100%{transform:translateY(-74vh) translateX(14px) scale(.1);opacity:0}}
.fx-ember{position:absolute;bottom:-24px;animation-name:fxrise;animation-timing-function:linear;animation-iteration-count:infinite}
.fx-ember.side{bottom:auto;animation-name:fxside}
@keyframes fxside{0%{transform:translateY(40px) translateX(0) scale(.7);opacity:0}18%{opacity:.8}100%{transform:translateY(-150px) translateX(var(--dx,0px)) scale(.12);opacity:0}}
/* bara streak 20: api mini berkedip (animasi sama dgn api streak), naik sambil mengecil */
.fx-ember .flame.emb{width:var(--es,12px);height:calc(var(--es,12px)*1.39)}
.flame.emb .em{display:none}
.flame.emb .flame-svg{filter:drop-shadow(0 0 3px var(--fc1))}
/* Api: 3 lapis gerak sendiri, 40fps (12 langkah per 0,3 dtk) */
@keyframes fl40a{0%{transform:scaleY(1) skewX(0)}12.5%{transform:scaleY(1.06) skewX(-2deg)}25%{transform:scaleY(1.1) skewX(-3deg)}37.5%{transform:scaleY(1.02) skewX(1deg)}50%{transform:scaleY(.95) skewX(3deg)}62.5%{transform:scaleY(1) skewX(2deg)}75%{transform:scaleY(1.06) skewX(-2deg)}87.5%{transform:scaleY(1.02) skewX(-1deg)}100%{transform:scaleY(1) skewX(0)}}
@keyframes fl40b{0%{transform:scaleY(1) skewX(0)}12.5%{transform:scaleY(.96) skewX(2deg)}25%{transform:scaleY(.93) skewX(3deg)}37.5%{transform:scaleY(1.02) skewX(-1deg)}50%{transform:scaleY(1.1) skewX(-3deg)}62.5%{transform:scaleY(1.04) skewX(-2deg)}75%{transform:scaleY(.97) skewX(2deg)}87.5%{transform:scaleY(1) skewX(1deg)}100%{transform:scaleY(1) skewX(0)}}
@keyframes fl40c{0%{transform:scale(1)}12.5%{transform:scale(1.08,.96)}25%{transform:scale(1.14,.93)}37.5%{transform:scale(1.05,1)}50%{transform:scale(.95,1.12)}62.5%{transform:scale(1,1.06)}75%{transform:scale(1.07,1.03)}87.5%{transform:scale(1.03,1.01)}100%{transform:scale(1)}}
.flame{position:relative;display:inline-block;width:46px;height:64px}
.flame-svg{width:100%;height:100%;overflow:visible;filter:drop-shadow(0 0 10px var(--fc1))}
.flame-svg .fly{transform-box:fill-box;transform-origin:50% 100%}
.flame .f1{animation:fl40a .3s steps(12) infinite}
.flame .f2{animation:fl40b .3s steps(12) infinite;animation-delay:-.1s}
.flame .f3{animation:fl40c .3s steps(12) infinite;animation-delay:-.2s}
.flame .em{position:absolute;border-radius:50%;background:radial-gradient(circle,#fff 0%,var(--fc2) 45%,transparent 75%);opacity:0;animation:emfl 1.5s linear infinite}
.flame .e1{width:5px;height:5px;left:32%;bottom:88%;animation-delay:0s}
.flame .e2{width:4px;height:4px;left:58%;bottom:95%;animation-delay:.4s}
.flame .e3{width:3px;height:3px;left:44%;bottom:82%;animation-delay:.8s}
.flame .e4{width:4px;height:4px;left:68%;bottom:90%;animation-delay:1.1s}
.flame .e5{width:3px;height:3px;left:24%;bottom:86%;animation-delay:1.3s}
@keyframes emfl{0%{transform:translateY(0) scale(1);opacity:0}15%{opacity:.95}100%{transform:translateY(-42px) translateX(7px) scale(.25);opacity:0}}
.flame.big{width:60px;height:84px}
.flame.sm{width:30px;height:42px}
.flame.sm .em{display:none}
/* ===== Api streak: hero di kotak STREAK + mini di topbar ===== */
.flame.hero{width:78px;height:109px} /* 70% lebih besar dari api galeri 46x64 */
.flame.hero.locked{filter:grayscale(1);opacity:.35}
#streak-hero{margin:6px 0 2px}
.streak-quote{display:block;font-family:Georgia,'Noto Serif','Times New Roman',serif;font-style:italic;font-size:15px;line-height:1.65;max-width:320px;margin:4px auto 0}
#tb-streak{display:inline-flex;align-items:center;gap:5px}
#tb-streak b{font-size:14px}
.flame.tiny{width:16px;height:22px}
.flame.tiny .em{display:none}
.flame.tiny .flame-svg{filter:drop-shadow(0 0 4px var(--fc1))}
/* statistik */
.stats-row{display:flex;gap:8px;margin:10px 0}
.stat{flex:1;background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 6px;text-align:center}
.stat .v{font-family:var(--font-m);font-size:22px;font-weight:700;color:var(--theme);font-variant-numeric:tabular-nums}
.stat .l{font-family:var(--font-m);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.legend{display:flex;gap:16px;justify-content:center;font-size:12px;color:var(--muted);margin-top:6px}
.legend i{display:inline-block;width:22px;height:3px;border-radius:2px;margin-right:5px;vertical-align:middle}
.lg-teal{background:var(--theme)}.lg-red{background:repeating-linear-gradient(90deg,#dc2626 0 4px,transparent 4px 8px)}
#chart-line{width:100%;height:auto;display:block}
/* pills */
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.pill{border:1px solid var(--border);background:var(--card);border-radius:var(--r-md);padding:9px 14px;font-size:13.5px;font-weight:600;letter-spacing:.02em;color:var(--text);cursor:pointer}
.pill:active{background:var(--soft)}
.pill.active{background:var(--theme);border-color:var(--theme);color:#fff;font-weight:700}
/* buttons */
.btn{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:var(--r-md);padding:12px 18px;font-size:15px;font-weight:600;cursor:pointer;font-family:var(--font-b)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--theme);border-color:var(--theme);color:#fff;font-weight:700}
.btn.big{width:100%;margin-top:14px;padding:15px;font-size:17px}
.btn:disabled{opacity:.45}
.iconbtn{border:1px solid var(--border);background:var(--card);color:var(--text);font-size:20px;width:40px;height:40px;border-radius:var(--r-md);cursor:pointer}
/* auth */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:380px;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:34px 26px 26px;text-align:center;box-shadow:0 14px 44px rgba(0,0,0,.20)}
.auth-badge{font-size:50px;width:88px;height:88px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;border-radius:26px;background:rgba(128,128,128,.10);border:1px solid var(--border);overflow:hidden}
.auth-badge img{width:100%;height:100%;object-fit:cover;display:block}
.auth-badge video{width:100%;height:100%;object-fit:cover;display:block}
.auth-card h1{margin:0 0 6px;font-size:22px}
.auth-sub{margin:0 0 22px;font-size:13px}
.auth-logo{font-size:56px}
.auth-wrap h1{font-family:var(--font-d);letter-spacing:.04em}
.tabs{display:flex;gap:8px;justify-content:center;margin:18px 0}
.tab{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:var(--r-md);padding:9px 26px;font-size:15px;font-weight:600;cursor:pointer}
.tab.active{background:var(--theme);color:#fff;border-color:var(--theme)}
.auth-form{display:flex;flex-direction:column;gap:10px;max-width:340px;margin:0 auto}
.auth-form input{padding:14px 16px;border:1px solid var(--border);border-radius:12px;font-size:16px;background:var(--input-bg);color:var(--text);font-family:var(--font-b)}
.auth-form input:focus{outline:none;border-color:var(--theme);box-shadow:0 0 0 3px color-mix(in srgb, var(--theme) 22%, transparent)}
.auth-msg{min-height:22px;color:var(--err-tx);font-size:14px}
/* quiz */
.q-head{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--border)}
#q-meta{flex:1;font-family:var(--font-m);font-size:11px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.qtimer{font-weight:700;font-size:16px;color:var(--theme);font-variant-numeric:tabular-nums;font-family:var(--font-m)}
.qtimer.low{color:var(--err-tx)}
.q-img{max-width:100%;border-radius:var(--r-md);margin:0 0 12px;display:block;border:1px solid var(--border)}
.q-text{font-size:17px;line-height:1.7;margin:6px 0 4px;font-weight:600}
.q-note{font-size:12px;color:var(--muted);margin-bottom:10px}
.opt{display:flex;align-items:center;width:100%;text-align:left;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:var(--r-md);padding:12px 14px;margin:8px 0;font-size:16px;line-height:1.6;cursor:pointer;font-family:var(--font-b)}
.opt .k{font-family:var(--font-m);font-weight:700;font-size:13px;margin-right:12px;flex-shrink:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:6px;color:var(--muted)}
.opt .fb{margin-left:auto;font-size:13px;font-weight:700;flex-shrink:0;padding-left:8px;white-space:nowrap}
.opt.sel{border-color:var(--theme);background:var(--theme-soft)}
.opt.sel .k{border-color:var(--theme);color:var(--theme)}
/* status jawaban: token dua-mode, teks selalu kontras dgn background */
.opt.correct{border-color:var(--ok-bd);background:var(--ok-bg);color:var(--ok-tx)}
.opt.correct .k{border-color:var(--ok-bd);color:var(--ok-tx)}
.opt.correct .fb{color:var(--ok-tx)}
.opt.wrong{border-color:var(--err-bd);background:var(--err-bg);color:var(--err-tx)}
.opt.wrong .k{border-color:var(--err-bd);color:var(--err-tx)}
.opt.wrong .fb{color:var(--err-tx)}
.opt:disabled{cursor:default}
.exp{background:var(--soft);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 14px;margin-top:14px;font-size:14px;line-height:1.8}
.exp h4{margin:0 0 6px;font-size:13px;font-family:var(--font-m);letter-spacing:.1em;text-transform:uppercase;color:var(--theme);display:flex;justify-content:space-between;align-items:center}
.exp h4 label{font-size:12px;color:var(--muted);font-weight:400;font-family:var(--font-b);letter-spacing:0;text-transform:none}
.exp .src{color:var(--muted);font-size:12px;margin-top:8px}
.exp hr{border:none;border-top:1px solid var(--border);margin:10px 0}
ruby{ruby-align:center;ruby-position:over}
ruby rt{font-size:.62em;color:var(--theme);font-weight:400;letter-spacing:0;line-height:1.2}
#exp-ja{line-height:2.15}
.quiz-foot{display:flex;gap:10px;position:sticky;bottom:70px;background:var(--card);padding:10px 16px;border-top:1px solid var(--border)}
.quiz-foot .btn{flex:1}
#q-star.on{color:var(--gold);border-color:var(--gold)}
/* hasil */
.score-big{font-family:var(--font-m);font-size:52px;font-weight:700;text-align:center;color:var(--theme);font-variant-numeric:tabular-nums}
.score-sub{text-align:center;margin:4px 0 14px;color:var(--muted);font-size:13px}
.pass{background:var(--ok-bg);border:1px solid var(--ok-bd);color:var(--ok-tx);border-radius:var(--r-md);padding:12px;text-align:center;font-weight:700;margin-bottom:12px}
.fail{background:var(--err-bg);border:1px solid var(--err-bd);color:var(--err-tx);border-radius:var(--r-md);padding:12px;text-align:center;font-weight:700;margin-bottom:12px}
.wrong-item{border:1px solid var(--border);border-radius:var(--r-md);padding:10px 12px;margin:8px 0;font-size:14px;background:var(--card)}
.wrong-item .qq{line-height:1.6}
/* lists */
.list-item{border:1px solid var(--border);border-radius:var(--r-md);padding:12px;margin:8px 0;background:var(--card)}
.list-item:active{background:var(--soft)}
.list-item .t{font-size:14.5px;line-height:1.6;font-weight:600}
.list-item .m{font-family:var(--font-m);font-size:11px;letter-spacing:.06em;color:var(--muted);margin-top:4px}
.bm-row{display:flex;gap:8px;align-items:flex-start;cursor:pointer}
.bm-row .grow{flex:1}
.mini{border:none;background:none;font-size:18px;cursor:pointer;padding:4px;color:var(--muted)}
.search{width:100%;padding:12px;border:1px solid var(--border);border-radius:var(--r-md);font-size:16px;background:var(--input-bg);color:var(--text);font-family:var(--font-b)}
/* form tambah soal */
.form label{display:block;font-size:12px;font-family:var(--font-m);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:12px 0 4px;font-weight:700}
.form input,.form textarea,.form select{width:100%;padding:11px;border:1px solid var(--border);border-radius:var(--r-md);font-size:15px;font-family:var(--font-b);background:var(--input-bg);color:var(--text)}
.form textarea{resize:vertical}
.gl-item{border-bottom:1px solid var(--border);padding:10px 0}
.gl-item .term{font-size:16px;font-weight:700;font-family:var(--font-d)}
.gl-item .arti{color:var(--theme);font-size:14px}
/* flashcard */
.fc-card{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;padding:30px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg)}
.fc-term{font-size:30px;font-weight:700;font-family:var(--font-d)}
.fc-arti{font-size:20px;color:var(--theme);margin-top:14px}
.fc-reading{font-size:15px;color:var(--muted);margin-bottom:6px}
.fc-nav{display:flex;gap:10px;justify-content:center;margin-top:12px}
/* upload */
.upload-card{border:1px dashed var(--border);border-radius:var(--r-lg);padding:26px;text-align:center;margin:10px 0;color:var(--muted)}
/* info */
.info-card{background:var(--soft);border:1px solid var(--border);border-radius:var(--r-lg);padding:14px 16px;margin-bottom:8px}
.info-card p{margin:8px 0}
/* fire animations (streak kecil) */
@keyframes sglw{0%,100%{opacity:.3;transform:scale(1)}50%{opacity:.65;transform:scale(1.12)}}
.sglow{display:inline-block;transform-origin:50% 60%;animation:sglw .84s steps(20) infinite}
@keyframes smbr{0%{transform:translateY(0) scale(1);opacity:0}15%{opacity:1}100%{transform:translateY(-26px) scale(.25);opacity:0}}
.sember{position:absolute;bottom:8px;font-size:10px;animation:smbr .96s steps(23) infinite}
/* tambahan batch 2 */
.progbar{height:6px;background:var(--border);border-radius:99px;margin:8px 0;overflow:hidden}
.progbar div{height:100%;background:var(--theme);border-radius:99px;transition:width .3s}
.rumus-f{background:var(--theme-soft);border:1px solid var(--theme);border-radius:var(--r-md);padding:10px 12px;font-weight:700;color:var(--theme);margin:8px 0;font-size:15px;font-family:var(--font-m)}
.kalk-card{max-width:430px;margin:0 auto}
.kalk-expr{min-height:22px;text-align:right;color:var(--muted);font-size:14px;font-family:var(--font-m);word-break:break-all;padding:2px 2px 0}
.kalk-display{text-align:right;font-size:38px;font-weight:700;font-family:var(--font-m);padding:4px 2px 14px;line-height:1.25;word-break:break-all}
.kalk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.kalk-btn{padding:15px 0;font-size:19px;border:1px solid var(--border);border-radius:12px;background:var(--soft);color:var(--text);cursor:pointer;font-family:var(--font-m);-webkit-tap-highlight-color:transparent}
.kalk-btn:active{transform:scale(.96)}
.kalk-btn.fn{background:var(--bg);color:var(--theme);font-weight:700}
.kalk-btn.eq{background:var(--theme);border-color:var(--theme);color:#fff;font-weight:800}
.kalk-btn.span2{grid-column:span 2}
.ren-task{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--border);font-size:14px;cursor:pointer}
.ren-task:last-child{border-bottom:none}
.ren-task input{width:18px;height:18px;margin-top:1px;flex-shrink:0;accent-color:var(--theme)}
.ren-task input:checked + span{text-decoration:line-through;color:var(--muted)}
.pw-inp{width:100%;padding:11px;border:1px solid var(--border);border-radius:var(--r-md);font-size:15px;background:var(--input-bg);color:var(--text);margin-bottom:8px;font-family:var(--font-b)}
/* pengaturan tampilan */
.set-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:15px}
.set-row:last-child{border-bottom:none}
.set-row input[type="checkbox"]{width:22px;height:22px;accent-color:var(--theme)}
.set-row input[type="range"]{flex:1;max-width:200px;accent-color:var(--theme);touch-action:pan-x}
.swatches{display:flex;gap:10px;flex-wrap:wrap;padding:10px 0}
.swatch{width:38px;height:38px;border-radius:50%;border:3px solid var(--border);cursor:pointer;flex-shrink:0;-webkit-tap-highlight-color:transparent}
.swatch.on{border-color:var(--text)}
.swatch:active{transform:scale(.92)}
input[type="color"]{width:52px;height:38px;border:1px solid var(--border);border-radius:var(--r-md);background:none;cursor:pointer;padding:2px}
#hue-slider{background:linear-gradient(90deg,#f00,#ff0,#0f0,#0ff,#00f,#f0f,#f00);border-radius:99px;height:14px;-webkit-appearance:none;appearance:none;touch-action:pan-x}
.svpad{position:relative;width:100%;height:170px;border-radius:var(--r-md);border:1px solid var(--border);cursor:crosshair;touch-action:none;user-select:none;-webkit-user-select:none;background-image:linear-gradient(to top,#000,transparent),linear-gradient(to right,#fff,transparent);margin:4px 0 10px}
.sv-thumb{position:absolute;width:20px;height:20px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px rgba(0,0,0,.45),0 1px 4px rgba(0,0,0,.4);transform:translate(-50%,-50%);pointer-events:none}
/* Kotak rumus ala screenshot: subscript rapi + pecahan bertingkat + Keterangan */
.formula-box{border:1px solid var(--border);border-radius:8px;background:var(--bg);padding:18px 12px;margin:10px 0;text-align:center;overflow-x:auto}
.frow{margin:8px 0;font-size:19px;line-height:1.7}
.f-lhs{font-style:italic}
.f-eq{margin:0 10px}
.frac{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle}
.fnum{padding:2px 14px}
.fden{border-top:1.5px solid var(--text);padding:2px 14px}
.fsuf{margin-left:10px;font-size:16px}
.frow sub,ul.ket sub{font-size:.68em}
.ket-h{font-weight:700;margin:12px 0 4px;font-size:14px}
ul.ket li{padding:3px 0}
ul.ket{margin:0 0 6px;padding-left:4px;list-style:none;font-size:14px}
ul.ket li{margin:5px 0;line-height:1.5}
ul.ket li::before{content:"•";margin-right:8px;color:var(--muted)}
ul.ket i{font-family:Georgia,serif}
#hue-slider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid #333;cursor:pointer}
#hue-slider::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid #333;cursor:pointer}
.seg{display:flex;gap:8px;margin-bottom:10px}
.seg-btn{flex:1;border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:var(--r-md);padding:10px;font-size:14px;font-weight:600;cursor:pointer}
.seg-btn.active{background:var(--theme);border-color:var(--theme);color:#fff;font-weight:700}
#as-preview{max-width:100%;border-radius:var(--r-md);margin:8px 0;display:block;border:1px solid var(--border)}
.modul-hit{background:var(--soft);border:1px solid var(--border);border-radius:var(--r-md);padding:10px 12px;margin:8px 0;font-size:13.5px;line-height:1.7}
.modul-hit b{color:var(--theme)}
.sum-point{padding:12px 0;border-bottom:1px solid var(--border);cursor:pointer}
.sum-point:last-child{border-bottom:none}
.sum-point .sum-id{font-size:14.5px;color:var(--text);line-height:1.7;margin-top:0;font-weight:600}
.sum-ja{font-size:16px;line-height:2.1;font-weight:600}
.sum-pt-ja{margin-top:6px;font-size:14.5px}
.sum-subrow{display:flex;align-items:center;gap:8px;padding:11px 2px;border-bottom:1px solid var(--border);cursor:pointer}
.sum-subrow:last-child{border-bottom:none}
.sum-subrow .grow{flex:1}
.sum-subrow .t{font-weight:700;font-size:14px;font-family:var(--font-d)}
.sum-subrow .m{font-family:var(--font-m);font-size:11px;letter-spacing:.06em;color:var(--muted)}
.sum-num{display:inline-flex;min-width:26px;height:26px;align-items:center;justify-content:center;font-size:12px;font-weight:700;font-family:var(--font-m);color:#fff;background:var(--theme);border-radius:6px;margin-right:8px;padding:0 6px}
.sum-id{font-size:14px;color:var(--muted);line-height:1.7;margin-top:4px}
.buku-text{white-space:pre-wrap;font-size:14px;line-height:1.8;font-family:inherit;margin:0}
.g-svg{width:100%;height:auto;display:block;background:var(--soft);border:1px solid var(--border);border-radius:var(--r-md);margin:8px 0}

#toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%) translateY(20px);background:#1c1c1f;color:#f4f4f5;border:1px solid #2c2c32;padding:10px 18px;border-radius:var(--r-md);font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:all .25s;z-index:9999;max-width:88vw;text-align:center;font-family:var(--font-m);letter-spacing:.04em}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#fx-celebrate{position:fixed;inset:0;pointer-events:none;z-index:9998;overflow:hidden}
.cb-drop{position:absolute;top:-8%;animation-name:cbfall;animation-timing-function:linear;animation-iteration-count:1;animation-fill-mode:forwards}
@keyframes cbfall{0%{transform:translateY(0) rotate(0)}100%{transform:translateY(115vh) rotate(340deg)}}

#qmap-modal{position:fixed;inset:0;background:rgba(5,5,8,.6);z-index:9990;display:flex;align-items:center;justify-content:center;padding:20px}
.qmap-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;width:100%;max-width:420px;max-height:82vh;overflow:auto}
.qmap-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-family:var(--font-d)}
.qmap-info{margin-bottom:10px}
.qmap-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:10px}
.qm{aspect-ratio:1;border-radius:var(--r-md);border:1px solid var(--border);background:var(--soft);color:var(--text);font-weight:700;font-size:15px;font-family:var(--font-m);cursor:pointer;font-variant-numeric:tabular-nums}
.qm.done{background:var(--theme);border-color:var(--theme);color:#fff}
.qm.cur{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold)}
.qm.done.cur{box-shadow:0 0 0 2px var(--gold)}
.qmap-legend{font-size:12px;color:var(--muted);margin-bottom:12px;display:flex;gap:6px;align-items:center;flex-wrap:wrap;font-family:var(--font-m)}
.lg.done{color:var(--theme)}.lg.cur{color:var(--gold)}.lg.todo{color:var(--muted)}

/* ===== Batch 18: Simulasi Resmi + aba-aba + toggle tema + login ===== */
/* Toggle matahari/bulan ala Windows */
.theme-toggle{position:relative;width:78px;height:38px;border-radius:999px;border:1px solid var(--border);background:var(--soft);cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:0 9px;flex:none}
.theme-toggle .tt-icon{font-size:19px;line-height:1;z-index:1;filter:grayscale(.4);opacity:.55;transition:all .2s}
.theme-toggle .tt-knob{position:absolute;top:3px;left:4px;width:30px;height:30px;border-radius:50%;background:var(--theme);box-shadow:0 2px 6px rgba(0,0,0,.4);transition:left .22s ease;z-index:2}
.theme-toggle.on .tt-knob{left:42px}
.theme-toggle:not(.on) .tt-icon:first-child{filter:none;opacity:1}
.theme-toggle.on .tt-icon:last-of-type{filter:none;opacity:1}
/* Modal aba-aba pra-ujian */
#brief-modal{position:fixed;inset:0;background:rgba(5,5,8,.66);z-index:9995;display:flex;align-items:center;justify-content:center;padding:20px}
.brief-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:26px 22px;width:100%;max-width:430px;max-height:86vh;overflow:auto;text-align:center;box-shadow:0 18px 60px rgba(0,0,0,.35)}
.brief-head{font-size:44px;line-height:1;margin-bottom:6px}
.brief-card h2{margin:0 0 4px;font-size:21px}
.brief-rules{text-align:left;margin:16px 0;display:flex;flex-direction:column;gap:10px}
.brief-row{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.45}
.brief-row.warn{background:color-mix(in srgb, var(--err-tx) 10%, transparent);border:1px solid color-mix(in srgb, var(--err-tx) 35%, transparent);border-radius:10px;padding:10px 12px}
.brief-foot{display:flex;gap:10px;margin-top:18px}
.brief-foot .btn{flex:1}
/* Simulasi Resmi */
.resmi-card{border-color:var(--theme);border-width:1.5px}
.resmi-tag{display:inline-block;background:var(--theme);color:#fff;font-size:11px;font-weight:800;letter-spacing:.08em;border-radius:6px;padding:3px 8px;vertical-align:2px}
.beta{display:inline-block;font-size:10px;font-weight:700;color:var(--gold);border:1px solid var(--gold);border-radius:6px;padding:2px 7px;letter-spacing:.06em;vertical-align:2px}
.resmi-badge{text-align:center;font-family:var(--font-m);font-size:11px;letter-spacing:.12em;color:var(--theme);margin-bottom:10px}
.score-max{font-size:.45em;color:var(--muted)}
.sec-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
.sec-table th,.sec-table td{border-bottom:1px solid var(--border);padding:9px 8px;text-align:left}
.sec-table th{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-family:var(--font-m)}
.sec-table tr.sec-total td{border-bottom:none;font-weight:800}
/* Bookmark di Peta Soal: kelap-kelip emas lembut (2 dtk terang / 2 dtk redup) */
@keyframes bmBlink{
  0%{box-shadow:0 0 0 0 transparent}
  10%{box-shadow:0 0 16px 4px color-mix(in srgb, var(--gold) 64%, transparent)}
  50%{box-shadow:0 0 16px 4px color-mix(in srgb, var(--gold) 64%, transparent)}
  60%{box-shadow:0 0 0 0 transparent}
  100%{box-shadow:0 0 0 0 transparent}
}
.qm.bm{border-color:var(--gold);animation:bmBlink 4s ease-in-out infinite}
.lg.bm{color:var(--gold)}

/* ===== Rumus: struktur pembahasan A-H ===== */
.rum-card{margin:8px 0}
.rum-detail{margin-top:12px;border-top:1px solid var(--border);padding-top:12px;max-width:640px}
.rum-nama{font-size:17px;line-height:1.6}
.rum-head-arti{font-size:13px;color:var(--muted);margin-top:2px;line-height:1.5}
.rum-rumus-teks{text-align:center;font-size:15px;line-height:1.9;margin:4px 0 2px;overflow-x:auto}
.rum-img{width:100%;height:auto;border:1px solid var(--border);border-radius:8px;margin:2px 0 10px}
.rum-sec-h{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--theme);margin:16px 0 8px;font-family:var(--font-m)}
.rum-sec-h:first-child{margin-top:0}
/* D. Variasi */
.rum-varians{display:flex;flex-direction:column;gap:8px}
.rum-var{border:1px dashed var(--border);border-radius:8px;padding:10px 12px;background:var(--bg)}
.rum-var-f{font-size:16px;text-align:center;padding:4px 0}
.rum-var-p{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.6}
/* E. Contoh soal */
.rum-contoh{border:1px solid var(--border);border-radius:10px;padding:14px;background:var(--soft)}
.rum-soal{font-size:15px;line-height:1.9;margin-bottom:10px}
.rum-opts{display:flex;flex-direction:column;gap:6px;margin-bottom:4px}
.rum-opt{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;line-height:1.7;background:var(--bg)}
.rum-opt-key{border-color:#2a7;background:#eafff0}
/* F. Langkah pengerjaan */
.rum-step{margin:12px 0;padding:10px 12px;border-left:3px solid var(--theme);background:var(--bg);border-radius:0 8px 8px 0}
.rum-step-t{font-weight:700;font-size:14px;margin-bottom:6px}
.rum-step-h{font-size:18px;text-align:center;padding:8px 4px;margin:6px 0;background:var(--soft);border-radius:6px;line-height:1.6;overflow-x:auto}
.rum-step-j{font-size:13px;color:var(--muted);line-height:1.6}
/* G. Jawaban akhir */
.rum-akhir{padding:12px 14px;background:var(--soft);border:1.5px solid var(--theme);border-radius:8px;font-size:16px;text-align:center;line-height:1.7}
/* H. Kunci mengingat + jebakan */
.rum-ingat{padding:10px 12px;border-radius:8px;background:#f0f7ff;border:1px solid #c9e0f5;font-size:13.5px;line-height:1.7}
body.dark .rum-opt-key{background:#123324;border-color:#2a7}
body.dark .rum-ingat{background:#12233a;border-color:#274b73}
body.dark .rum-jebakan{background:#33270f;border-color:#6b5518}
.rum-jebakan{margin-top:8px;padding:10px 12px;border-radius:8px;background:#fff8f0;border:1px solid #f0d9b5;font-size:13.5px;line-height:1.7}
@media (max-width:480px){
  .rum-detail{max-width:100%}
  .rum-step-h{font-size:16px}
  .rum-var-f{font-size:15px}
}