:root{--navy: #2a3d63;--navy-ink: #1e2d4c;--blue: #6399bf;--blue-soft: #e9f1f8;--blue-line: #cfe0ee;--green: #22894f;--green-strong: #1d7a46;--green-soft: #e5f4eb;--gold-soft: #fff5d6;--gold-line: #f1dc9a;--gold-ink: #7a5a00;--red: #b4412f;--red-soft: #fbeae7;--text: #1f2a3d;--muted: #5d6a7e;--line: #e3e8ef;--bg: #f6f8fb;--white: #fff;--radius: 14px;--radius-sm: 10px;--shadow: 0 1px 2px rgba(30, 45, 76, .06), 0 4px 14px rgba(30, 45, 76, .06);--font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--ipa: "Charis SIL", "Doulos SIL", "Gentium Plus", "Lucida Sans Unicode", "Segoe UI", sans-serif;--l1: #b4412f;--l2: #c98a2a;--l3: #6b7a90;--l4: #3f86b3;--l5: #22894f;--heat0: #ebeff4;--heat1: #c6e6d2;--heat2: #86c9a0;--heat3: #3fa26a;--heat4: #1d7a46}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);font-size:16px;line-height:1.55;color:var(--text);background:var(--bg);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,strong,b,th{font-weight:700}h1{font-size:26px;line-height:1.25;margin:0 0 8px;color:var(--navy-ink)}h2{font-size:20px;line-height:1.3;margin:0 0 12px;color:var(--navy-ink)}h3{font-size:17px;margin:0 0 8px;color:var(--navy-ink)}p{margin:0 0 12px}a{color:var(--navy)}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--blue);outline-offset:2px}img{max-width:100%;display:block}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 16px}.narrow{max-width:720px}.main{flex:1;padding:20px 0 48px}.muted{color:var(--muted)}.small{font-size:14px}.tiny{font-size:12.5px}.center{text-align:center}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.row-between{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}.stack>*+*{margin-top:12px}.grid2{display:grid;gap:16px;grid-template-columns:1fr}@media (min-width: 860px){.grid2{grid-template-columns:1fr 1fr}}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.site-header{position:sticky;top:0;z-index:40;background:var(--white);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:60px;gap:12px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy-ink);font-weight:700}.brand img{height:32px;width:auto}.brand .brand-sub{font-size:13px;color:var(--green-strong);background:var(--green-soft);padding:2px 8px;border-radius:999px;white-space:nowrap}.nav{display:flex;gap:4px;align-items:center}.nav a,.nav button{display:inline-flex;align-items:center;min-height:40px;padding:0 12px;border-radius:10px;text-decoration:none;color:var(--text);font-weight:700;font-size:15px;background:none;border:0;cursor:pointer}.nav a:hover,.nav button:hover{background:var(--blue-soft)}.nav a.active{background:var(--blue-soft);color:var(--navy)}.nav-desktop{display:none}@media (min-width: 760px){.nav-desktop{display:flex}.menu-btn{display:none!important}}.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--white);cursor:pointer;font-size:20px;color:var(--navy)}.nav-mobile{display:flex;flex-direction:column;padding:6px 16px 14px;border-top:1px solid var(--line);background:var(--white)}.nav-mobile a,.nav-mobile button{min-height:46px;padding:0 12px;text-align:left;justify-content:flex-start}@media (min-width: 760px){.nav-mobile{display:none}}.site-footer{background:var(--navy-ink);color:#dce5f2;padding:22px 0;font-size:14px}.site-footer a{color:#fff}.site-footer .row{gap:6px 18px}.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card+.card{margin-top:16px}.card-flat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 18px;border-radius:12px;border:1px solid transparent;font-weight:700;cursor:pointer;text-decoration:none;font-size:15.5px;background:var(--navy);color:#fff;transition:background .15s,transform .05s}.btn:hover{background:var(--navy-ink)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:default;transform:none}.btn-green{background:var(--green)}.btn-green:hover{background:var(--green-strong)}.btn-ghost{background:var(--white);color:var(--navy);border-color:var(--line)}.btn-ghost:hover{background:var(--blue-soft)}.btn-danger{background:var(--white);color:var(--red);border-color:#efc9c2}.btn-danger:hover{background:var(--red-soft)}.btn-sm{min-height:36px;padding:0 12px;font-size:14px;border-radius:10px}.btn-block{width:100%}.btn-lg{min-height:54px;font-size:17px;padding:0 26px}label.field{display:block;font-weight:700;font-size:14px;margin-bottom:12px;color:var(--navy-ink)}label.field>span.hint{font-weight:400;color:var(--muted)}.input,.textarea,.select{display:block;width:100%;min-height:46px;margin-top:6px;padding:10px 12px;border:1px solid #cdd6e2;border-radius:10px;background:#fff;font-size:16px;font-weight:400}.textarea{min-height:140px;resize:vertical;line-height:1.5}.input:focus,.textarea:focus,.select:focus{border-color:var(--blue);outline:3px solid rgba(99,153,191,.25);outline-offset:0}.input-inline{display:inline-block;width:auto;margin-top:0;min-height:36px;padding:4px 8px}.msg{padding:10px 14px;border-radius:10px;font-size:14.5px;margin:10px 0}.msg-ok{background:var(--green-soft);color:var(--green-strong)}.msg-err{background:var(--red-soft);color:var(--red)}.msg-info{background:var(--blue-soft);color:var(--navy)}.msg-warn{background:var(--gold-soft);color:var(--gold-ink);border:1px solid var(--gold-line)}.badge{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--blue-soft);color:var(--navy);white-space:nowrap}.badge-green{background:var(--green-soft);color:var(--green-strong)}.badge-gold{background:var(--gold-soft);color:var(--gold-ink)}.badge-red{background:var(--red-soft);color:var(--red)}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.tab{min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--white);font-weight:700;cursor:pointer;font-size:14.5px}.tab[aria-selected=true]{background:var(--navy);color:#fff;border-color:var(--navy)}.auth-wrap{display:grid;place-items:center;padding:28px 16px 48px;flex:1}.auth-card{width:100%;max-width:420px}.auth-logo{display:flex;justify-content:center;margin-bottom:12px}.auth-logo img{height:46px;width:auto}.linkish{background:none;border:0;padding:0;color:var(--navy);text-decoration:underline;cursor:pointer;font-weight:700}.hero{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.stat{background:var(--bg);border-radius:12px;padding:10px 12px;text-align:center}.stat b{display:block;font-size:22px;color:var(--navy-ink);line-height:1.2}.stat span{font-size:12.5px;color:var(--muted)}.deck-list{list-style:none;margin:0;padding:0}.deck-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line);flex-wrap:wrap}.deck-item:first-child{border-top:0}.deck-item .deck-name{flex:1 1 200px;min-width:0}.deck-item .deck-name b{display:block;overflow-wrap:anywhere}.counts{display:flex;gap:6px;flex-wrap:wrap}.heat-wrap{overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,11px);gap:3px;width:max-content}.heat i{width:11px;height:11px;border-radius:2px;background:var(--heat0);display:block}.heat i[data-l="1"]{background:var(--heat1)}.heat i[data-l="2"]{background:var(--heat2)}.heat i[data-l="3"]{background:var(--heat3)}.heat i[data-l="4"]{background:var(--heat4)}.heat i.empty{background:transparent}.heat-months{display:grid;grid-auto-flow:column;gap:3px;font-size:11px;color:var(--muted);width:max-content;margin-bottom:4px}.heat-months span{width:11px;white-space:nowrap;overflow:visible}.heat-legend{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--muted);margin-top:6px;justify-content:flex-end}.heat-legend i{width:11px;height:11px;border-radius:2px;display:inline-block}.study{max-width:640px;margin:0 auto}.study-top{display:flex;align-items:center;gap:10px;margin-bottom:12px}.progress{flex:1;height:8px;border-radius:99px;background:var(--line);overflow:hidden}.progress>div{height:100%;background:var(--green);transition:width .25s}.q-card{text-align:center;padding:22px 18px}.q-mode{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}.q-prompt{font-size:22px;font-weight:700;color:var(--navy-ink);line-height:1.35;margin:6px 0 4px;overflow-wrap:anywhere}.q-prompt.def{font-size:19px;font-weight:400;color:var(--text)}.q-hint{margin-top:10px;padding:10px 12px;border-radius:10px;background:var(--gold-soft);border:1px solid var(--gold-line);color:var(--gold-ink);font-size:15px;text-align:left}.play{width:76px;height:76px;border-radius:50%;border:0;background:var(--navy);color:#fff;cursor:pointer;display:inline-grid;place-items:center;box-shadow:var(--shadow)}.play:hover{background:var(--navy-ink)}.play svg{width:34px;height:34px}.play-sm{width:40px;height:40px}.play-sm svg{width:18px;height:18px}.ipa{font-family:var(--ipa);font-size:18px;color:var(--muted);margin-top:8px}.answer-input{text-align:center;font-size:22px;min-height:56px;margin-top:16px;letter-spacing:.01em}.answer-input.ok{border-color:var(--green);background:var(--green-soft)}.answer-input.bad{border-color:var(--red);background:var(--red-soft)}.result{margin-top:14px;text-align:left}.result-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:10px}.result-word{font-size:26px;font-weight:700;color:var(--navy-ink)}.verdict{font-weight:700;padding:4px 10px;border-radius:999px;font-size:14px}.verdict.ok{background:var(--green-soft);color:var(--green-strong)}.verdict.bad{background:var(--red-soft);color:var(--red)}.your{text-align:center;font-size:14.5px;color:var(--red);margin-bottom:8px}.your s{color:var(--red)}.info-list{display:grid;gap:8px;background:var(--bg);border-radius:12px;padding:12px 14px;font-size:15.5px}.info-list dt{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.info-list dd{margin:0 0 4px;overflow-wrap:anywhere}.colls{display:flex;flex-wrap:wrap;gap:6px}.colls span{background:#fff;border:1px solid var(--line);padding:2px 10px;border-radius:999px;font-size:14.5px}.levels{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:14px}.lv{border:2px solid var(--line);background:#fff;border-radius:12px;padding:8px 4px;cursor:pointer;text-align:center;font-weight:700;font-size:13.5px;line-height:1.25;min-height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.lv kbd{font-family:inherit;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:0 5px;background:var(--bg)}.lv small{font-weight:400;color:var(--muted);font-size:11.5px}.lv:disabled{opacity:.35;cursor:default}.lv.sel{color:#fff}.lv[data-l="1"]{border-color:var(--l1)}.lv[data-l="1"].sel{background:var(--l1)}.lv[data-l="2"]{border-color:var(--l2)}.lv[data-l="2"].sel{background:var(--l2)}.lv[data-l="3"]{border-color:var(--l3)}.lv[data-l="3"].sel{background:var(--l3)}.lv[data-l="4"]{border-color:var(--l4)}.lv[data-l="4"].sel{background:var(--l4)}.lv[data-l="5"]{border-color:var(--l5)}.lv[data-l="5"].sel{background:var(--l5)}.lv.sel small,.lv.sel kbd{color:#fff;background:transparent;border-color:#ffffff80}@media (max-width: 420px){.lv small{display:none}.lv{min-height:54px;font-size:12.5px}}.keys-help{font-size:12.5px;color:var(--muted);text-align:center;margin-top:10px}@media (hover: none){.keys-help{display:none}}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:12px;background:#fff}table.tbl{border-collapse:collapse;width:100%;font-size:14.5px}.tbl th,.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.tbl th{background:var(--bg);font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;position:sticky;top:0}.tbl tr:last-child td{border-bottom:0}.tbl td.num,.tbl th.num{text-align:right;white-space:nowrap}.cell-edit{width:100%;min-width:120px;border:1px solid transparent;border-radius:6px;padding:4px 6px;background:transparent;font-size:14.5px;resize:vertical}.cell-edit:hover{border-color:var(--line)}.cell-edit:focus{border-color:var(--blue);background:#fff;outline:none}.cell-edit.ipa-cell{font-family:var(--ipa)}.saved-flash{animation:flash 1s}@keyframes flash{0%{background:var(--green-soft)}to{background:transparent}}.preview{border:1px solid var(--blue-line);background:#fbfdff;border-radius:var(--radius);padding:16px;margin-top:14px}.preview-word{font-size:24px;font-weight:700;color:var(--navy-ink)}.spinner{width:18px;height:18px;border:3px 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:var(--line);border-top-color:var(--navy)}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{flex:1;display:grid;place-items:center;padding:60px 0}.empty{text-align:center;padding:26px 12px;color:var(--muted)}.summary-big{font-size:44px;font-weight:700;color:var(--green-strong);line-height:1.1}details.more>summary{cursor:pointer;font-weight:700;color:var(--navy);padding:6px 0}.guide h2{font-size:18px;margin:22px 0 8px}.guide ul{padding-left:20px;margin:0 0 12px}.guide li{margin-bottom:6px}.guide code,.muted code{font-family:var(--font);background:var(--blue-soft);color:var(--navy-ink);padding:1px 6px;border-radius:6px;font-size:14.5px}.steps{list-style:none;counter-reset:buoc;padding:0;margin:18px 0 8px}.steps>li{counter-increment:buoc;position:relative;padding:0 0 8px 44px;margin:0 0 8px}.steps>li:before{content:counter(buoc);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--green);color:#fff;font-weight:700;display:grid;place-items:center}.steps>li>h2{margin:3px 0 6px}.sample{display:flex;gap:10px;align-items:flex-start;background:var(--bg);border:1px dashed var(--blue-line);border-radius:12px;padding:10px 12px;margin-bottom:12px}.sample pre{flex:1;margin:0;font-family:var(--font);font-size:15px;white-space:pre-wrap;overflow-wrap:anywhere}.faq dt{font-weight:700;color:var(--navy-ink);margin-top:10px}.faq dd{margin:4px 0 0}.bulk-results{list-style:none;padding:0;margin:12px 0 0;max-height:360px;overflow:auto;border:1px solid var(--line);border-radius:12px}.bulk-results li{display:flex;gap:8px;align-items:baseline;padding:8px 12px;border-top:1px solid var(--line);font-size:14.5px;flex-wrap:wrap}.bulk-results li:first-child{border-top:0}.btn-google{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:54px;margin-top:18px;border:1px solid #c9d2de;border-radius:12px;background:#fff;color:#1f1f1f;font-weight:700;font-size:16.5px;cursor:pointer;box-shadow:0 1px 2px #1e2d4c14}.btn-google:hover{background:#f7f9fc;border-color:var(--blue)}.btn-google:disabled{opacity:.6;cursor:default}.inapp{text-align:left;margin-top:14px;background:var(--gold-soft);border:1px solid var(--gold-line);border-radius:12px;padding:14px}.inapp>p{margin-bottom:10px}.inapp-steps{padding-left:20px;margin:12px 0}.inapp-steps li{margin-bottom:6px}.accent-note{font-size:12.5px;color:var(--muted);margin-top:2px}