/* FasterLang — design system. Ink + paper + persimmon. Fraunces (display) / Figtree (UI). */
:root{
  --ink:#16233B;--ink-2:#2B3A57;--muted:#6A6F7C;--paper:#FBF7EF;--paper-2:#F4EDE0;--card:#FFFFFF;--line:#E7DECD;--line-2:#F0E9DC;
  --accent:#FF6A3D;--accent-d:#D9481C;--accent-soft:#FFE6DC;--jade:#139A85;--jade-soft:#D8F3EE;--gold:#E2A40B;--gold-soft:#FFF2CC;
  --plum:#6C4BD8;--plum-soft:#ECE6FF;--red:#D7263D;--red-soft:#FDE3E6;--sky:#2C7BE5;--sky-soft:#E1EDFD;
  --r:14px;--r-sm:9px;--shadow:0 1px 2px rgba(22,35,59,.06),0 6px 22px -12px rgba(22,35,59,.22);--shadow-lg:0 18px 50px -18px rgba(22,35,59,.4);
  --font:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;--display:"Fraunces",Georgia,serif;
  --cjk-ja:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;--cjk-zh:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --cjk-ko:"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;--thai:"Noto Sans Thai",Tahoma,sans-serif;--deva:"Noto Sans Devanagari",Mangal,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --ink:#EDE8DE;--ink-2:#CFC8BA;--muted:#9C9A94;--paper:#12161F;--paper-2:#1A1F2B;--card:#1C2230;--line:#2D3445;--line-2:#252B39;
  --accent-soft:#3D2219;--jade-soft:#123A35;--gold-soft:#3A3013;--plum-soft:#2A2347;--red-soft:#3E1A20;--sky-soft:#18304F;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -12px rgba(0,0,0,.6)}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--accent-d);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.015em;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(28px,4vw,42px)}h2{font-size:clamp(22px,2.6vw,28px)}h3{font-size:19px}
p{margin:0 0 1em}
code{background:var(--paper-2);padding:1px 6px;border-radius:6px;font-size:.92em}
.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.nowrap{white-space:nowrap}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:99;background:#fff;padding:8px}
main{max-width:1180px;margin:0 auto;padding:22px 16px 90px;min-height:60vh}
main.wide{max-width:1360px}
.wrap.narrow{max-width:720px;margin:0 auto}
.lj{font-family:var(--cjk-ja)}.lz{font-family:var(--cjk-zh)}.lk{font-family:var(--cjk-ko)}.lt{font-family:var(--thai)}.lh{font-family:var(--deva)}

/* ── Header ── */
.top{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.top-in{max-width:1360px;margin:0 auto;display:flex;align-items:center;gap:14px;padding:9px 16px}
.logo{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none!important}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font:800 19px var(--display);position:relative}
.logo-mark i{position:absolute;right:-5px;bottom:-5px;font-style:normal;font-size:13px;background:var(--accent);border-radius:50%;width:18px;height:18px;display:grid;place-items:center;border:2px solid var(--paper)}
.logo-word{font:800 21px var(--display);letter-spacing:-.03em}.logo-word b{color:var(--accent)}
.mainnav{display:flex;gap:2px;margin-left:8px;flex:1;overflow:auto;scrollbar-width:none}
.mainnav a{display:flex;align-items:center;gap:6px;padding:8px 11px;border-radius:999px;color:var(--ink-2);font-weight:600;font-size:14.5px;white-space:nowrap;text-decoration:none}
.mainnav a:hover{background:var(--paper-2)}.mainnav a.on{background:var(--ink);color:var(--paper)}
.top-right{display:flex;align-items:center;gap:8px;margin-left:auto}
.iconbtn{position:relative;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--ink)}
.iconbtn:hover{background:var(--paper-2)}
.dot{position:absolute;top:2px;right:0;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--accent);color:#fff;font:700 11px/18px var(--font);text-align:center}
.streak{position:relative;display:flex;align-items:center;gap:3px;padding:4px 10px 4px 6px;border-radius:999px;color:var(--ink);text-decoration:none!important;filter:grayscale(1);opacity:.75}
.streak.lit{filter:none;opacity:1}.streak b{font-size:15px}.streak .flame{font-size:18px;position:relative;z-index:1}
.goal-ring{position:absolute;left:0;top:50%;width:32px;height:32px;transform:translateY(-50%) rotate(-90deg)}
.goal-ring circle{fill:none;stroke:var(--line);stroke-width:3}.goal-ring .fg{stroke:var(--accent);stroke-linecap:round}
.xpchip{display:flex;align-items:center;gap:6px;color:var(--ink);font-size:13px;text-decoration:none!important}
.xpbar{width:54px;height:7px;border-radius:9px;background:var(--line);overflow:hidden}.xpbar i{display:block;height:100%;background:linear-gradient(90deg,var(--plum),var(--accent))}
.menu{position:relative}.menu summary{list-style:none;cursor:pointer;display:flex}.menu summary::-webkit-details-marker{display:none}
.menu-pop{position:absolute;right:0;top:46px;width:230px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-lg);padding:6px;z-index:50}
.menu-pop a,.menu-pop button{display:block;width:100%;text-align:left;padding:9px 12px;border-radius:8px;color:var(--ink);font:500 14.5px var(--font);background:none;border:0;cursor:pointer;text-decoration:none}
.menu-pop a:hover,.menu-pop button:hover{background:var(--paper-2)}
.menu-head{padding:8px 12px 10px;border-bottom:1px solid var(--line-2);margin-bottom:4px}.menu-head small{display:block;color:var(--muted)}
@media (max-width:1100px){.mainnav span{display:none}.mainnav a{padding:9px}}
@media (max-width:760px){.mainnav,.xpchip{display:none}.logo-word{font-size:19px}}

/* ── Buttons & forms ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 20px;border-radius:999px;border:0;background:var(--accent);color:#fff;font:700 15px var(--font);cursor:pointer;text-decoration:none!important;transition:transform .08s,background .15s;white-space:nowrap}
.btn:hover{background:var(--accent-d)}.btn:active{transform:translateY(1px)}
.btn.dark{background:var(--ink);color:var(--paper)}.btn.jade{background:var(--jade)}.btn.plum{background:var(--plum)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}.btn.ghost:hover{background:var(--paper-2)}
.btn.sm{padding:7px 14px;font-size:14px}.btn.xs{padding:4px 10px;font-size:13px}.btn.lg{padding:15px 28px;font-size:17px}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none}
.linkbtn{background:none;border:0;padding:0;color:var(--accent-d);font:inherit;cursor:pointer}
label{display:block;font-weight:600;font-size:14px;margin:0 0 6px}
.field{margin:0 0 16px}.field small{display:block;color:var(--muted);font-size:13px;margin-top:4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=search],input[type=url],select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:var(--card);color:var(--ink);font:15px var(--font);transition:border-color .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{min-height:110px;resize:vertical;line-height:1.5}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:150px}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:500}.check input{margin-top:4px}
.pills{display:flex;flex-wrap:wrap;gap:7px}
.pill{position:relative}.pill input{position:absolute;opacity:0}.pill span{display:inline-block;padding:7px 13px;border-radius:999px;border:1.5px solid var(--line);font-size:14px;font-weight:600;cursor:pointer;background:var(--card)}
.pill input:checked+span{background:var(--ink);color:var(--paper);border-color:var(--ink)}.pill input:focus-visible+span{box-shadow:0 0 0 3px var(--accent-soft)}

/* ── Cards & layout ── */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.card+.card{margin-top:16px}.card h2:first-child,.card h3:first-child{margin-top:0}
.card.flat{box-shadow:none}.card.pad-lg{padding:28px}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.auto{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.layout.left{grid-template-columns:250px minmax(0,1fr)}
@media (max-width:980px){.layout,.layout.left{grid-template-columns:1fr}}
.side .card{position:relative}.sticky{position:sticky;top:76px}
.pagehead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:6px 0 20px}
.pagehead h1{margin:0}.pagehead p{margin:6px 0 0;color:var(--muted)}
.eyebrow{display:inline-block;font:800 12px var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--accent-d);margin-bottom:8px}
.divider{height:1px;background:var(--line);margin:18px 0}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 18px;overflow:auto;scrollbar-width:none}
.tabs a{padding:10px 14px;font-weight:600;color:var(--muted);border-bottom:2.5px solid transparent;white-space:nowrap;text-decoration:none}
.tabs a.on{color:var(--ink);border-color:var(--accent)}
.list{list-style:none;margin:0;padding:0}.list>li{padding:12px 0;border-bottom:1px solid var(--line-2)}.list>li:last-child{border:0}
.kv{display:flex;justify-content:space-between;gap:10px;padding:6px 0;font-size:14.5px}.kv span{color:var(--muted)}
.stat{display:flex;flex-direction:column}.stat b{font:800 26px var(--display)}.stat span{color:var(--muted);font-size:13px}

/* ── Chips, badges, avatars ── */
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;background:var(--paper-2);font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap}
.chip.accent{background:var(--accent-soft);color:var(--accent-d)}.chip.jade{background:var(--jade-soft);color:var(--jade)}.chip.plum{background:var(--plum-soft);color:var(--plum)}.chip.gold{background:var(--gold-soft);color:#946A00}
.lvlchip{font:800 12px var(--font);padding:2px 8px;border-radius:6px;background:var(--ink);color:var(--paper)}
.lvl{display:inline-block;margin-left:5px;font:800 10.5px/16px var(--font);padding:0 5px;border-radius:5px;background:var(--plum-soft);color:var(--plum);vertical-align:2px}
.flagtag{display:inline-block;font:700 11.5px var(--font);padding:2px 7px;border-radius:6px;margin:2px 3px 0 0}
.flagtag.native{background:var(--jade-soft);color:var(--jade)}.flagtag.learn{background:var(--paper-2);color:var(--ink-2)}
.avatar{border-radius:50%;object-fit:cover;flex:none;display:inline-block;background:var(--paper-2)}
.avatar-i{display:inline-grid;place-items:center;color:#fff;font-weight:800;background:hsl(var(--hue) 55% 48%)}
.uchip{display:inline-flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none!important;min-width:0}
.uchip .lvl{align-self:flex-start}
.uchip>span{display:flex;flex-direction:column;line-height:1.2;min-width:0}.uchip small{color:var(--muted);font-size:12.5px;font-weight:500}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px 5px 6px;border-radius:999px;font-size:13px;background:var(--paper-2);border:1px solid var(--line)}
.badge i{font-style:normal;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--card);font-size:15px}
.badge.sm{padding:2px}.badge.sm i{width:24px;height:24px}
.badge.tier-silver i{box-shadow:0 0 0 2px #B8C0CC}.badge.tier-gold i{box-shadow:0 0 0 2px var(--gold)}.badge.tier-platinum i{box-shadow:0 0 0 2px var(--plum)}.badge.tier-bronze i{box-shadow:0 0 0 2px #C98A55}
.qbadge{display:inline-flex;align-items:center;gap:4px;font:700 12px var(--font);padding:3px 9px;border-radius:999px}
.qbadge.ai{background:var(--paper-2);color:var(--muted)}.qbadge.verified{background:var(--jade-soft);color:var(--jade)}.qbadge.gold{background:var(--gold-soft);color:#8C6400}.qbadge.flagged{background:var(--red-soft);color:var(--red)}
.stars{color:var(--gold);letter-spacing:1px}
.vote{display:inline-flex;align-items:center;gap:2px;border:1px solid var(--line);border-radius:999px;padding:2px;background:var(--card)}
.vote button{width:28px;height:26px;border:0;border-radius:999px;background:none;color:var(--muted);cursor:pointer;font-size:12px}
.vote button:hover{background:var(--paper-2)}.vote .v-up.on{color:#fff;background:var(--jade)}.vote .v-down.on{color:#fff;background:var(--red)}
.vote b{min-width:22px;text-align:center;font-size:13.5px}.vote.sm button{width:24px;height:22px}

/* ── Feedback ── */
.flash{max-width:1180px;margin:12px auto 0;padding:12px 44px 12px 16px;border-radius:var(--r-sm);position:relative;font-weight:600;background:var(--jade-soft);color:var(--jade)}
.flash.err{background:var(--red-soft);color:var(--red)}.flash.info{background:var(--sky-soft);color:var(--sky)}
.flash button{position:absolute;right:10px;top:8px;border:0;background:none;font-size:20px;color:inherit;cursor:pointer}
@media (max-width:1210px){.flash{margin:12px 16px 0}}
.alert{padding:12px 16px;border-radius:var(--r-sm);background:var(--sky-soft);color:var(--ink);margin:0 0 16px}.alert.warn{background:var(--gold-soft)}.alert.err{background:var(--red-soft)}
.empty{text-align:center;padding:40px 20px;color:var(--muted)}.empty-ic{font-size:44px;margin-bottom:6px}.empty h3{color:var(--ink)}
.empty-state{text-align:center;padding:60px 0}
.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:var(--paper);padding:11px 18px;border-radius:999px;font-weight:600;box-shadow:var(--shadow-lg);opacity:0;transition:.25s;z-index:100;pointer-events:none;max-width:92vw}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.xp-pop{position:fixed;z-index:101;font:800 16px var(--display);color:var(--plum);pointer-events:none;animation:xpup 1.2s ease-out forwards}
@keyframes xpup{0%{opacity:0;transform:translateY(8px) scale(.8)}20%{opacity:1;transform:translateY(0) scale(1.1)}100%{opacity:0;transform:translateY(-40px)}}
.spinner{width:18px;height:18px;border:2.5px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.skel{background:linear-gradient(90deg,var(--paper-2),var(--line-2),var(--paper-2));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:6px;height:14px;margin:8px 0}
@keyframes sk{to{background-position:-200% 0}}
.pager{display:flex;justify-content:space-between;margin:20px 0}

/* ── Posts / threads shared ── */
.post{display:flex;gap:12px}.post-body{flex:1;min-width:0}
.post-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.prose{overflow-wrap:anywhere}.prose p:last-child{margin:0}
.prose blockquote{margin:8px 0;padding:6px 12px;border-left:3px solid var(--line);color:var(--ink-2)}
del{background:var(--red-soft);color:var(--red);text-decoration:line-through;border-radius:3px}
ins{background:var(--jade-soft);color:var(--jade);text-decoration:none;border-radius:3px;font-weight:600}
.actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.act{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:999px;border:0;background:none;color:var(--muted);font:600 13.5px var(--font);cursor:pointer;text-decoration:none!important}
.act:hover{background:var(--paper-2);color:var(--ink)}.act.on{color:var(--accent-d)}

/* ── Footer + tab bar ── */
.foot{border-top:1px solid var(--line);background:var(--paper-2);padding:40px 16px 100px}
.foot-in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot h4{font:800 12px var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:6px 0 12px}
.foot a{display:block;color:var(--ink-2);padding:3px 0;font-size:14.5px}.foot-brand p{color:var(--muted);max-width:300px;margin-top:12px}
.foot-copy{max-width:1180px;margin:30px auto 0;color:var(--muted);font-size:13px}
@media (max-width:760px){.foot-in{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
.tabbar{display:none}
@media (max-width:760px){
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--card);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;font-weight:600;color:var(--muted);text-decoration:none}
}

/* ── Home / landing ── */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:30px 0 40px}
.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.02;letter-spacing:-.03em}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero .lead{font-size:19px;color:var(--ink-2);max-width:540px}
@media (max-width:900px){.hero{grid-template-columns:1fr}}
.demo{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-lg);padding:24px;position:relative}
.feature{padding:22px}.feature .fi{font-size:28px;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--paper-2);margin-bottom:12px}
.langgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.langcard{display:flex;flex-direction:column;gap:2px;padding:14px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);color:var(--ink);text-decoration:none!important;transition:transform .12s,box-shadow .12s}
.langcard:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.langcard .fl{font-size:28px}.langcard b{font-size:16px}.langcard small{color:var(--muted)}

/* ── Text cards (library) ── */
.tcard{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);color:var(--ink);text-decoration:none!important;transition:transform .12s,box-shadow .12s;min-width:0}
.tcard:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.tcard .t-title{font:700 19px/1.3 var(--display)}.tcard .t-sub{color:var(--muted);font-size:14px}
.tcard .t-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:auto;font-size:13px;color:var(--muted)}
.tcard .t-excerpt{font-size:15px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tcard.read{opacity:.7}.tcard.read .t-title::after{content:" ✓";color:var(--jade)}

/* ── Leaderboard ── */
.lb{counter-reset:r}.lb li{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid var(--line-2)}
.lb .pos{width:30px;text-align:center;font:800 17px var(--display);color:var(--muted)}.lb li:nth-child(1) .pos{color:var(--gold)}.lb li:nth-child(2) .pos{color:#9AA4B2}.lb li:nth-child(3) .pos{color:#C98A55}
.lb .xp{margin-left:auto;font-weight:800}

/* ── Gig cards ── */
.gcard{display:flex;flex-direction:column;border-radius:var(--r);background:var(--card);border:1px solid var(--line);overflow:hidden;color:var(--ink);text-decoration:none!important;transition:transform .12s,box-shadow .12s}
.gcard:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.gcover{aspect-ratio:16/9;display:grid;place-items:center;font-size:54px;background:linear-gradient(135deg,hsl(var(--h,20) 85% 88%),hsl(calc(var(--h,20) + 40) 70% 80%));position:relative;object-fit:cover;width:100%}
.gbody{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}.gtitle{font-weight:700;line-height:1.35}
.gfoot{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-top:1px solid var(--line-2);font-size:14px}
.gfoot b{font:800 17px var(--display)}