.flagship-layout{display:grid;grid-template-columns:minmax(0,580px) minmax(0,1fr);gap:24px;max-width:960px;margin:0 auto 40px;align-items:start}.flagship-machine{min-width:0;background:#112842;color:#f6f9ff;border-radius:24px;padding:24px;box-shadow:0 16px 45px #10274421}.flagship-toolbar{display:flex;gap:8px;flex-wrap:wrap;justify-content:space-between;align-items:center}.flagship-toolbar button,.flagship-utility button{background:#203d5d;color:#e5efff;border-radius:8px;padding:8px 12px;min-height:44px;font-size:13px}.flagship-toolbar button[aria-pressed=true]{background:#bcd5ff;color:#102744}.flagship-study-switch{display:flex;gap:8px;align-items:center;font-size:14px;min-height:44px}.flagship-study-switch input{width:20px;height:20px;accent-color:#74afff}.flagship-display{padding-block:22px 14px;text-align:left;min-width:0}.flagship-expression{display:block;width:100%;min-width:0;background:transparent;color:#d6e4f9;border:0;border-bottom:1px solid #5b7391;border-radius:0;text-align:left;font-size:21px;padding:8px 2px;direction:ltr}.flagship-expression::placeholder{color:#a6bbd6}.flagship-answer{font-size:clamp(26px,4vw,48px);font-weight:600;min-height:66px;overflow-wrap:anywhere;line-height:1.4;padding-top:12px;font-variant-numeric:tabular-nums}.flagship-feedback{color:#ffe2a2;min-height:25px;font-size:13px;overflow-wrap:anywhere}.flagship-memory{font-size:12px;color:#b5c9e4;min-height:20px}.flagship-keypad{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;direction:ltr}.flagship-keypad button{min-width:0;min-height:60px;border-radius:13px;background:#243e5e;color:#fff;font-size:24px;touch-action:manipulation}.flagship-keypad button:hover{background:#365778}.flagship-keypad button:active{transform:scale(.96)}.flagship-keypad .key-function{background:#3b5270;font-size:18px}.flagship-keypad .key-operator{background:#1d508c;color:#e7f2ff}.flagship-keypad .key-equals{background:#76b8ff;color:#102744;font-weight:700}.flagship-keypad .key-memory{font-size:14px;min-height:44px;background:#203d5d}.flagship-scientific{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;direction:ltr;margin-bottom:14px;padding-top:12px}.flagship-scientific[hidden]{display:none}.flagship-scientific button{min-height:44px;min-width:0;background:#294667;color:#edf4ff;border-radius:8px;font-size:14px}.flagship-machine button:focus-visible,.flagship-expression:focus-visible{outline:3px solid #bcd8ff;outline-offset:3px}.flagship-utility{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.flagship-help{font-size:12px;color:#b5c9e4;margin-top:12px}.flagship-history,.flagship-study{border:1px solid var(--color-border);background:#fff;border-radius:18px;padding:22px;min-width:0}.flagship-history h2,.flagship-study h2{font-size:21px;margin-bottom:10px}.flagship-history-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.flagship-history-head button{background:transparent;color:var(--color-accent);min-height:44px;font-size:13px}.flagship-history p{font-size:13px;color:var(--color-muted)}.flagship-history-list{max-height:470px;overflow:auto;margin-top:16px}.flagship-history-item{padding:12px 0;border-top:1px solid var(--color-border)}.flagship-history-restore{display:block;text-align:left;width:100%;overflow-wrap:anywhere;background:transparent;color:var(--color-text);direction:ltr;font-size:15px;min-height:44px}.flagship-history-restore strong{display:block;font-size:20px}.flagship-history-actions{display:flex;gap:7px;flex-wrap:wrap}.flagship-history-actions button{min-height:44px;padding:5px 10px;border-radius:8px;background:#edf3fc;color:#26466e;font-size:12px}.flagship-history-actions button[aria-pressed=true]{background:#ffecc2;color:#705100}.flagship-study{grid-column:1/-1}.flagship-study[hidden]{display:none}.flagship-study ol{padding-inline-start:24px}.flagship-study li{margin-block:14px}.flagship-study code{display:block;direction:ltr;text-align:left;font-size:17px;overflow-wrap:anywhere;background:#f1f5fc;padding:9px 12px;border-radius:8px}.flagship-study li p{font-size:14px;margin-top:6px;color:var(--color-muted)}.flagship-study .study-answer{font-size:25px;margin-top:18px}.flagship-study .study-intro{margin-bottom:12px;color:var(--color-muted);font-size:14px}.hero-v2{grid-template-columns:1fr 1fr;gap:48px;padding-block:48px}.hero-v2 .flagship-layout{display:block;margin:0}.hero-v2 .flagship-machine{padding:20px}.hero-v2 .flagship-keypad button{min-height:50px;font-size:22px}.hero-v2 .flagship-history{margin-top:16px}.hero-v2 .flagship-history[hidden]{display:none}.hero-v2 .flagship-study{margin-top:16px}.hero-v2 h1{font-size:68px}.hero-v2 .hero-copy>p.hero-promise{font-size:27px;color:var(--color-text);font-weight:600;margin:16px 0}.hero-v2 .hero-primary{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:25px}.learning-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.learning-topic{border:1px solid var(--color-border);background:#fff;border-radius:16px;padding:24px}.learning-topic h2{font-size:22px;margin-bottom:8px}.learning-topic p{font-size:14px;color:var(--color-muted);margin-bottom:14px}.learning-topic a{display:block;min-height:44px;color:var(--color-accent);padding-block:8px}.learning-topic small{color:var(--color-muted)}@media(max-width:900px){.flagship-layout{grid-template-columns:minmax(0,1fr) minmax(240px,.7fr)}.hero-v2{gap:24px}.hero-v2 h1{font-size:52px}.learning-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.flagship-layout{grid-template-columns:1fr;gap:16px}.flagship-machine{padding:16px;border-radius:20px}.flagship-keypad{gap:7px}.flagship-keypad button{min-height:58px}.flagship-scientific{grid-template-columns:repeat(4,minmax(0,1fr))}.flagship-history-list{max-height:300px}.hero-v2{grid-template-columns:1fr;padding-top:30px;gap:20px}.hero-v2 h1{font-size:52px}.hero-v2 .hero-copy>p.hero-promise{font-size:24px}.hero-v2 .flagship-machine{padding:16px}.hero-v2 .flagship-keypad button{min-height:54px}.learning-cards{grid-template-columns:1fr}.flagship-expression{font-size:19px}.flagship-answer{font-size:36px}.flagship-toolbar button{padding:8px 10px}}@media(prefers-reduced-motion:reduce){.flagship-keypad button:active{transform:none}}