/* Standalone practice pages. Static assets only; no backend, libraries or heavy animation. */
:root{--bg:#f5faf8;--text:#1b302d;--muted:#637b78;--main:#119b6d;--deep:#07764d;--line:#dcebe6;--panel:#fff;--soft:#eaf8f3;--error:#d75f66}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.55}button,select,textarea,input{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}button:focus-visible,a:focus-visible,textarea:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #80d4b4;outline-offset:2px}
.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.site-top{background:#fff;border-bottom:1px solid var(--line)}.site-top-inner{height:69px;display:flex;align-items:center;gap:23px}.site-brand{font-size:24px;font-weight:850;letter-spacing:-1.1px;white-space:nowrap}.site-brand span{color:var(--main)}.site-menu{display:flex;gap:18px;font-size:13px;color:var(--muted);font-weight:700}.site-menu a:hover,.site-menu .current{color:var(--main)}.site-menu .current{font-weight:850}.back-home{margin-left:auto;font-size:12px;padding:9px 13px;border-radius:10px;border:1px solid var(--line);font-weight:750;background:#fff}.back-home:hover{background:var(--soft);color:var(--deep)}
.page-intro{padding:48px 0 31px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:21px}.breadcrumb a{color:var(--deep)}.eyebrow{font-size:12px;letter-spacing:1.6px;font-weight:850;color:var(--main);margin:0 0 11px}.page-intro h1{font-size:clamp(29px,4vw,45px);letter-spacing:-1.65px;line-height:1.15;margin:0 0 13px}.page-intro h1 span{color:var(--main)}.page-intro p.intro-desc{color:var(--muted);max-width:700px;font-size:15px;margin:0;line-height:1.7}
.practice-layout{display:grid;grid-template-columns:1fr 270px;gap:22px;align-items:start;padding-bottom:65px}.typing-card,.side-card{border:1px solid var(--line);border-radius:18px;background:var(--panel);box-shadow:0 6px 20px rgba(20,85,65,.025)}.typing-card{overflow:hidden}.practice-controls{display:flex;flex-wrap:wrap;align-items:end;gap:14px;padding:21px 24px 19px;border-bottom:1px solid var(--line)}.control-field{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:11px;font-weight:750}.control-field select,.control-field input{border:1px solid var(--line);border-radius:9px;min-height:40px;padding:6px 12px;background:#fff;color:var(--text);font-size:13px;min-width:160px}.control-field input{min-width:145px;max-width:180px}.soft-btn{min-height:40px;border:1px solid var(--line);background:var(--soft);padding:0 13px;border-radius:10px;font-weight:800;font-size:12px;color:var(--deep)}.soft-btn:hover{border-color:var(--main)}
.lesson-details,.session-message{margin:20px 24px 0;padding:12px 15px;border-radius:10px;background:var(--soft);color:#237455;font-size:13px}.session-message{display:none}.session-message.shown{display:block}.session-message.done{background:#e5f5ef}.session-message.failed{background:#fff0f0;color:#9a4149}.lesson-details{display:none}.lesson-details.shown{display:block}
.metrics{display:flex;gap:26px;align-items:center;padding:25px 26px 16px}.metric strong{font-size:30px;line-height:1;font-weight:850;display:block;color:var(--text)}.metric:first-child strong{color:var(--main)}.metric small{color:var(--muted);font-size:11px}.progress{height:3px;background:#e5f0ec;margin:0 25px 22px;border-radius:4px;overflow:hidden}.progress>div{height:100%;background:var(--main);width:0%;transition:width .12s}
.type-display{margin:0 24px 20px;padding:19px 17px;min-height:138px;border:1px solid var(--line);border-radius:13px;background:#fbfdfc;font-family:'SFMono-Regular',Consolas,'DejaVu Sans Mono',monospace;font-size:clamp(17px,2.1vw,21px);line-height:1.75;letter-spacing:.15px;white-space:pre-wrap;overflow-wrap:anywhere;color:#849a94}.type-display span.correct{color:#146e52}.type-display span.incorrect{color:var(--error);background:#fff0f0;border-radius:3px}.type-display span.current{border-left:2px solid var(--main);margin-left:-2px;background:#e7f6ef;color:var(--text)}.type-display.game-word{text-align:center;font-size:clamp(27px,4vw,44px);font-weight:850;padding:23px 10px;min-height:125px;letter-spacing:.5px}
.input-area{padding:0 24px 20px}.input-caption{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}.skill-input{display:block;width:100%;min-height:104px;resize:vertical;border:1px solid #bfdcd0;border-radius:11px;padding:12px 14px;background:#fff;color:var(--text);font-size:17px;line-height:1.5;outline:none}.skill-input:focus{border-color:var(--main);box-shadow:0 0 0 3px var(--soft)}.skill-input:disabled{background:#f5f8f7;color:var(--muted)}.typing-footer{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:16px 24px;border-top:1px solid var(--line);background:#fcfefd}.main-btn{border:0;border-radius:10px;min-height:42px;padding:0 20px;background:var(--main);color:#fff;font-weight:800;font-size:13px}.main-btn:hover{background:var(--deep)}.hint-text{font-size:11px;color:var(--muted);margin-left:auto}
.side-card{padding:22px;margin-bottom:17px}.side-card h2{font-size:16px;margin:0 0 12px}.side-card p{font-size:13px;color:var(--muted);margin:0 0 10px;line-height:1.75}.side-card ul{font-size:12px;color:var(--muted);padding-left:18px;line-height:1.85}.stat-row{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:11px 0;gap:12px;color:var(--muted);font-size:12px}.stat-row:last-child{border:0}.stat-row b{color:var(--main);font-size:14px}.small-link{display:block;color:var(--deep);font-weight:750;font-size:12px;margin-top:12px}.small-link:hover{text-decoration:underline}.result-box{display:none;margin:0 24px 23px;padding:16px 18px;background:var(--soft);border:1px solid #b6e0d0;border-radius:12px}.result-box.shown{display:block}.result-box h3{margin:0 0 4px;font-size:18px}.result-box p{margin:0;color:#366a59;font-size:13px}
footer{border-top:1px solid var(--line);padding:24px 0 35px;color:var(--muted);font-size:12px}footer .container{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}footer a{color:var(--deep)}
@media(max-width:920px){.practice-layout{grid-template-columns:1fr}.side{display:grid;grid-template-columns:1fr 1fr;gap:15px}.side-card{margin:0}}
@media(max-width:620px){.site-top-inner{height:62px;gap:9px}.site-brand{font-size:19px}.site-menu{display:none}.back-home{padding:8px 10px}.page-intro{padding:30px 0 20px}.page-intro p.intro-desc{font-size:13px}.practice-layout{gap:15px;padding-bottom:38px}.practice-controls{padding:14px;gap:10px}.control-field{flex:1;min-width:130px}.control-field select,.control-field input{min-width:0;max-width:none;width:100%}.metrics{padding:19px 15px 14px;gap:18px}.metric strong{font-size:25px}.progress{margin:0 15px 14px}.type-display{margin:0 14px 15px;padding:14px 12px;min-height:130px;font-size:18px}.input-area{padding:0 14px 16px}.skill-input{font-size:16px}.typing-footer{padding:14px}.hint-text{width:100%;margin:0}.side{grid-template-columns:1fr}.lesson-details,.session-message,.result-box{margin:14px}.side-card{padding:17px}}