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clamp(22px,7vw,110px);display:flex}.legal-header .brand{color:#fff;text-decoration:none}.legal-back{color:#00e5ff;font-size:12px;font-weight:800;text-decoration:none}.legal-card{background:#0a0b0f;border:1px solid #252936;border-radius:22px;width:min(820px,100% - 40px);margin:72px auto 0;padding:clamp(30px,6vw,68px);box-shadow:0 28px 90px #00000073}.legal-card h1{letter-spacing:-3px;margin:20px 0 5px;font:800 clamp(42px,7vw,68px)/1 Avenir Next,Segoe UI,sans-serif}.legal-updated{color:#72798a;margin:0 0 42px;font-size:12px}.legal-card section{border-top:1px solid #252936;padding:24px 0}.legal-card h2{color:#fff;margin:0 0 10px;font-size:17px}.legal-card section p{color:#a0a7b6;margin:0;font-size:14px;line-height:1.75}.install-app-button{z-index:30;background:var(--lime);color:var(--green-dark);cursor:pointer;border:0;border-radius:13px;align-items:center;gap:9px;padding:12px 17px 12px 12px;font-size:12px;font-weight:900;display:flex;position:fixed;bottom:22px;right:22px;box-shadow:0 9px 28px #0d2a1f40,0 3px #9bb94a}.install-app-button span{background:var(--green);color:#fff;border-radius:8px;place-items:center;width:26px;height:26px;font-size:16px;display:grid}.install-dialog-backdrop{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#091c15ad;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.install-dialog{background:var(--paper);border-radius:20px;width:min(430px,100%);padding:34px;position:relative;box-shadow:0 25px 80px #0000004d}.dialog-close{width:34px;height:34px;color:var(--muted);cursor:pointer;background:#eceee9;border:0;border-radius:50%;font-size:20px;position:absolute;top:13px;right:13px}.install-logo{background:var(--orange);color:#fff;border-radius:16px;place-items:center;width:58px;height:58px;margin-bottom:20px;font:italic 34px Georgia,serif;display:grid;box-shadow:0 5px #c74c24}.install-dialog h2{letter-spacing:-1px;margin:13px 0 18px;font:700 31px/1.1 Georgia,serif}.install-dialog ol{color:var(--ink);margin:0;padding-left:23px}.install-dialog li{padding:6px 0 6px 7px;font-size:14px;line-height:1.5}.install-dialog p{border-top:1px solid var(--line);color:var(--muted);margin:18px 0;padding-top:16px;font-size:12px;line-height:1.55}.dialog-done{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:10px;width:100%;padding:13px;font-weight:900}.topbar{background:#030305e6;border-bottom-color:#ffffff14;box-shadow:0 8px 32px #00000052}.brand-mark{background:#050508;box-shadow:0 0 20px #00e5ff59,0 4px #5b2f94}nav a:hover,nav a.active{color:#fff;border-color:var(--green)}.streak span{color:var(--lime)}.icon-button{background:#0c0e13}.hero{background:linear-gradient(#ffffff06 1px,#0000 1px) 0 0/42px 42px,linear-gradient(90deg,#ffffff06 1px,#0000 1px) 0 0/42px 42px,radial-gradient(circle at 76% 18%,#00e5ff29,#0000 25%),radial-gradient(circle at 28% 82%,#ff3fbd21,#0000 26%),#050509;border-bottom:1px solid #1e2130}.hero:after{color:#ffffff06;text-shadow:0 0 65px #00e5ff2e}.hero h1{font-family:Avenir Next,Segoe UI,sans-serif;font-weight:850}.hero h1 em{color:#0000;background:linear-gradient(90deg,#00e5ff,#b8ff31 52%,#ff3fbd);-webkit-background-clip:text;background-clip:text;font-style:normal}.hero-copy p,.hero-side>small,.hero-side strong small{color:#9da3b2}.hero-side{border-left-color:#303442}.goal-track{background:#171921}.goal-track i{background:linear-gradient(90deg, var(--green), var(--lime));box-shadow:0 0 15px var(--green)}.trainer-shell{background:#0a0b0ff5;border:1px solid #20232d;border-radius:22px;margin-top:30px;box-shadow:0 28px 90px #0009,0 0 45px #00e5ff0a}.lesson-tag{color:#020306;background:var(--green)}.session-actions button{border-color:var(--line);color:#cdd2df;background:#111319}.session-actions button:hover{border-color:var(--green);color:#fff}.sound-style-picker{border-color:var(--line);color:#cdd2df;background:#111319}.sound-style-picker:focus-within{border-color:var(--green);color:#fff}.sound-style-picker select{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.stats{border-color:var(--line);background:#07080b}.stats div{border-color:var(--line)}.stats strong{color:#fff;font-family:Avenir Next,Segoe UI,sans-serif}.stats .error-number{color:#ff4b6e;text-shadow:0 0 10px #ff4b6e73}.lesson-progress{background:#191b23}.lesson-progress i{background:linear-gradient(90deg,#00e5ff,#7c5cff,#ff3fbd);box-shadow:0 0 14px #00e5ff8c}.typing-area{background:linear-gradient(#ffffff05,#0000),#050609;border-color:#242733;box-shadow:inset 0 0 35px #00000073}.typing-area:focus-within{border-color:var(--green);box-shadow:0 0 0 1px #00e5ff33,inset 0 0 40px #00e5ff09}.prompt-toolbar span{color:var(--green)}.text-prompt{color:#4f5361}.text-prompt span.correct{color:#c8ff62;text-shadow:0 0 9px #b8ff3159}.text-prompt span.wrong{color:#ff4b75;background:#ff4b751c}.text-prompt span.current{color:#fff;border-color:var(--green);text-shadow:0 0 11px #00e5ffa6}.input-line{border-top:1px solid #242733;grid-template-columns:85px 1fr;align-items:start;margin-top:10px;display:grid}.input-line>span{color:var(--green);letter-spacing:1px;text-transform:uppercase;padding-top:16px;font-size:8px;font-weight:900}.typing-area textarea{color:#fff;height:53px;caret-color:var(--green);border-top:0}.typing-area textarea::placeholder{color:#4f5361}.result-icon{background:var(--green);color:#020306;box-shadow:0 0 20px #00e5ff73}.result-card div span{color:var(--green)}.result-card button{background:linear-gradient(90deg,#7c5cff,#ff3fbd);box-shadow:0 0 20px #ff3fbd40}.finger-hint kbd{border:1px solid var(--green);color:#fff;background:#0b0d12;box-shadow:0 0 16px #00e5ff4d}.finger-hint p strong{color:#fff}.keyboard-heading{align-items:center}.keyboard-heading>div:first-child strong{color:#fff;font-family:Avenir Next,Segoe UI,sans-serif}.live-key-display{text-align:center;background:#07080c;border:1px solid #2b2f3a;border-radius:9px;min-width:125px;padding:7px 11px}.live-key-display span{color:#6d7380;letter-spacing:1px;text-transform:uppercase;font-size:7px;font-weight:900;display:block}.live-key-display kbd{color:var(--green);text-shadow:0 0 10px #00e5ffa6;margin-top:2px;font:800 13px SFMono-Regular,Consolas,monospace;display:block}.keyboard-switch{background:#07080b;border-color:#292c36}.keyboard-switch button.selected{color:#fff;background:#171a21;box-shadow:0 0 14px #00e5ff1f}.keyboard-stage{background:radial-gradient(circle at 15% 15%,#00e5ff14,#0000 24%),radial-gradient(circle at 88% 75%,#ff3fbd12,#0000 24%),#050609;border:1px solid #292d38;box-shadow:inset 0 -6px #000,0 10px 34px #0000008c}.phone-keyboard{background:#08090d;border-color:#252936;box-shadow:0 8px #000,0 0 25px #00e5ff14}.virtual-key-row kbd{color:#e6e9f2;cursor:pointer;background:linear-gradient(#1a1d24,#101217);border-color:#313542;position:relative;overflow:hidden;box-shadow:0 3px #020204,inset 0 1px #ffffff14}.virtual-key-row kbd:after{content:"";opacity:.22;background:linear-gradient(90deg,#00e5ff,#7c5cff,#ff3fbd);border-radius:2px;height:2px;position:absolute;bottom:3px;left:14%;right:14%}.virtual-key-row kbd.utility{color:#9299aa;background:linear-gradient(#14171d,#0b0d11)}.virtual-key-row kbd.next{color:#fff;border-color:var(--green);background:#15212a;box-shadow:0 1px #000,0 0 0 2px #00e5ff1f,0 0 16px #00e5ff40}.virtual-key-row kbd.pressed{z-index:2;color:#fff;border-color:#fff;animation:.7s linear infinite rgb-key-flash;transform:translateY(2px)scale(.98)}.virtual-key-row kbd.pressed:after{opacity:1;height:4px;animation:.45s linear infinite rgb-strip}@keyframes rgb-key-flash{0%{background:#003b46;box-shadow:0 0 8px #00e5ff,0 0 22px #00e5ffe6}33%{background:#35165b;box-shadow:0 0 8px #8d5cff,0 0 22px #8d5cffe6}66%{background:#4a103b;box-shadow:0 0 8px #ff3fbd,0 0 22px #ff3fbde6}to{background:#253e08;box-shadow:0 0 8px #b8ff31,0 0 22px #b8ff31cc}}@keyframes rgb-strip{to{filter:hue-rotate(360deg)}}.phone-keyboard .virtual-key-row kbd{background:#181b22;box-shadow:0 2px #000}.phone-keyboard .virtual-key-row kbd.utility{color:#b9bfcb;background:#242833}.lessons-section{background:#050509;padding-top:78px}.section-heading{border-color:#252832}.section-heading h2{color:#fff}.section-heading span{color:var(--green)}.lesson-grid{grid-template-columns:repeat(4,1fr)}.lesson-card{color:#fff;background:#0a0b0f;border-color:#272a34}.lesson-card:hover{border-color:#454b5b;box-shadow:0 14px 38px #0006,0 0 22px #00e5ff0f}.lesson-card.selected{border-color:var(--green);background:linear-gradient(145deg,#07161b,#130b20);box-shadow:0 0 0 1px #00e5ff26,0 0 25px #00e5ff1a}.lesson-number{color:#3d414b}.selected .lesson-number,.lesson-level,.selected .lesson-level{color:var(--green)}.selected p{color:#9098a9}.progress-banner{background:#07080c;border-top:1px solid #282c36;border-bottom:1px solid #282c36}.progress-banner h2{color:#fff}.progress-banner p{color:#8f96a5}.week span{background:#12141a;border-color:#323640}.week span.done{background:var(--green);color:#020306;box-shadow:0 0 16px #00e5ff59}footer{color:#686e7b;background:#010103;border-top:1px solid #1b1d24}.install-app-button{background:linear-gradient(90deg, var(--green), var(--lime));color:#020306;box-shadow:0 9px 28px #00e5ff40,0 3px #367c80}.install-app-button span{background:#030407}.install-dialog-backdrop{background:#000000c7}.install-dialog{background:#0c0d12;border:1px solid #2b2f3a}.dialog-close{color:#a2a8b5;background:#1a1d24}.install-logo{color:#030305;background:linear-gradient(135deg,#00e5ff,#7d5cff,#ff3fbd);box-shadow:0 0 22px #00e5ff47}.dialog-done{color:#020306;background:linear-gradient(90deg,#00e5ff,#7d5cff)}@media (width<=900px){.topbar{grid-template-columns:1fr auto}nav{display:none}.hero{grid-template-columns:1fr}.hero-side{display:none}.lesson-grid{grid-template-columns:repeat(2,1fr)}.section-heading{grid-template-columns:1fr;gap:8px}.progress-banner{flex-direction:column;align-items:flex-start}.week{justify-content:space-between;width:100%}.keyboard-stage{margin-inline:20px}.practice-toolbar{flex-direction:column;align-items:flex-start}.practice-toolbar>div:first-child{flex-direction:column;align-items:flex-start;width:100%}.practice-mode-buttons{width:100%}.practice-mode-buttons button{flex:1}}@media (width<=620px){.topbar{height:64px}.streak{display:none}.hero{min-height:300px;padding-top:48px}.hero h1{letter-spacing:-2.5px;font-size:47px}.trainer-shell{width:calc(100% - 22px);margin-bottom:60px}.practice-toolbar{padding:16px 20px}.practice-mode-buttons{grid-template-columns:1fr 1fr;display:grid}.trainer-head{padding:27px 20px 20px}.session-actions button:last-child,.sound-style-picker span{display:none}.sound-style-picker select{max-width:116px}.stats{grid-template-columns:1fr 1fr;margin:0 20px}.stats div:nth-child(2),.stats div:nth-child(4){border-right:0}.stats div:nth-child(-n+4){border-bottom:1px solid var(--line)}.stats div:last-child{border-right:0;grid-column:1/-1}.lesson-progress{margin-inline:20px}.typing-area{margin:12px 20px 8px;padding:20px}.prompt-toolbar{flex-direction:column;align-items:flex-start;gap:4px}.text-prompt{max-height:min(24vh,210px);font-size:20px}.input-line{grid-template-columns:1fr}.input-line>span{padding-top:10px}.keyboard-heading{flex-direction:column;align-items:stretch;margin-inline:20px}.live-key-display,.keyboard-switch{width:100%}.keyboard-switch button{flex:1;padding-inline:7px}.keyboard-stage{margin-inline:10px;padding:10px}.phone-keyboard{transform-origin:0 0;min-width:330px}.phone-keyboard .virtual-key-row{gap:4px}.phone-keyboard .virtual-key-row kbd{height:44px}.lesson-grid{grid-template-columns:1fr}.lesson-card{min-height:230px}.week{gap:6px}.week span{width:34px;height:34px}footer{flex-direction:column;justify-content:center;gap:8px}.footer-links>span{display:none}.install-app-button{bottom:12px;right:12px}.install-dialog{padding:28px 24px 24px}}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}