:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#17352e;background:#f5f3eb;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 85% 5%,#e8e9d4 0,transparent 35%),#f5f3eb}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.hidden{display:none!important}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1020px)/2));background:#142f2a;color:#fff}.brand{display:flex;align-items:center;gap:12px;font-size:1.22rem;letter-spacing:-.02em}.brand strong{color:#f2d07a}.brand-mark{width:38px;height:38px;border:1px solid #b5cbb5;border-radius:12px;display:grid;place-items:center;font-family:Georgia,serif;font-size:1.45rem;color:#f2d07a}.top-actions{display:flex;align-items:center;gap:14px;color:#d6e7db;font-size:.85rem}.text-btn{background:none;border:0;color:inherit;padding:9px}.shell{max-width:1020px;margin:auto;padding:28px 20px 70px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;color:#3c806b;font-size:.72rem;font-weight:800;margin:0 0 12px}.hero{background:#17392f;color:white;border-radius:28px;padding:30px;position:relative;overflow:hidden}.hero:after{content:"L";position:absolute;right:18px;bottom:-74px;color:#ffffff0b;font:300px Georgia,serif}.hero h1{font-family:Georgia,serif;font-weight:500;font-size:clamp(2.2rem,7vw,4.2rem);line-height:1.04;letter-spacing:-.04em;margin:0 0 12px;position:relative;z-index:1}.hero p{max-width:560px;color:#d4e5d6;line-height:1.5;position:relative;z-index:1}.hero .eyebrow{color:#f2d07a}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:1}.btn{border:0;border-radius:14px;background:#f0cb70;color:#17352e;font-weight:800;padding:14px 20px;min-height:48px;box-shadow:0 3px 0 #00000015}.btn:hover{filter:brightness(.97)}.btn.secondary{background:#e7ede3;color:#17352e}.btn.outline{background:transparent;color:inherit;border:1px solid #97ac9f}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.panel{background:#fff;border:1px solid #e1e4d9;border-radius:22px;padding:22px;box-shadow:0 8px 28px #162d2110}.metric{font-family:Georgia,serif;font-size:2rem;margin:4px 0}.muted{color:#65786e}.section-title{margin:32px 0 14px;font-size:1.15rem}.tabs{display:flex;gap:8px;overflow:auto;margin:20px 0}.tab{border:1px solid #d9dfd2;background:#fff;border-radius:999px;padding:10px 16px;white-space:nowrap;color:#355147;font-weight:700}.tab.active{background:#17392f;color:#fff;border-color:#17392f}.study{max-width:650px;margin:18px auto}.study-top{display:flex;justify-content:space-between;gap:12px;color:#6c8174;font-size:.9rem;margin-bottom:12px}.bar{height:9px;border-radius:9px;background:#e0e6dc;overflow:hidden;margin-bottom:18px}.bar span{display:block;height:100%;background:#67a88b;transition:width .2s}.card{background:white;border:1px solid #dce3d8;border-radius:28px;padding:30px;min-height:260px;box-shadow:0 16px 40px #17392f16}.card-label{text-transform:uppercase;letter-spacing:.16em;color:#8a9b8e;font-size:.73rem;font-weight:800}.prompt{font:clamp(2rem,8vw,3.8rem) Georgia,serif;line-height:1.15;margin:30px 0 20px;overflow-wrap:anywhere}.answer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.choice{border:1px solid #cfdcd0;background:white;border-radius:15px;padding:16px;text-align:left;font-weight:700;min-height:60px}.choice:hover{background:#edf5ee}.field{width:100%;border:1px solid #b9cbbd;background:#fff;border-radius:14px;padding:14px 16px;min-height:51px;outline:none}.field:focus{border-color:#2a8062;box-shadow:0 0 0 3px #2a806226}.field-row{display:flex;gap:10px;margin-top:16px}.field-row .field{flex:1;min-width:0}.feedback{margin-top:17px;padding:16px;border-radius:15px;background:#eaf5e9;color:#195137;font-weight:700}.feedback.wrong{background:#fff0e4;color:#8a442c}.back{background:none;border:0;color:#315a4a;padding:10px 0;font-weight:700}.login{max-width:440px;margin:60px auto}.login h1{font:2.7rem Georgia,serif;margin:0 0 8px}.stack{display:grid;gap:12px}.stack label{display:grid;gap:6px;font-weight:700;font-size:.9rem}.stack .btn{margin-top:6px}.error{color:#a14531;min-height:1.3em}.list{display:grid;gap:10px}.word-row{display:grid;grid-template-columns:1.2fr 1.2fr auto;align-items:center;gap:12px;border-bottom:1px solid #edf0e9;padding:12px 0}.word-row:last-child{border:0}.badge{border-radius:99px;background:#ebf2e9;color:#43705a;padding:6px 9px;font-size:.73rem;font-weight:800;white-space:nowrap}.badge.hard{background:#ffefe3;color:#a15833}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.admin-grid .wide{grid-column:1/-1}textarea.field{min-height:160px;resize:vertical}.mock-row{padding:16px 0;border-bottom:1px solid #e8eee6}.mock-row:last-child{border:0}.mock-row label{display:block;margin-bottom:8px;font-weight:700}.mock-results{display:grid;gap:8px;margin-top:16px}.mock-results>div{padding:10px 12px;border-radius:10px;background:#f1f5ed}.mock-results>div.bad{background:#fff0e4}#toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#17392f;color:white;border-radius:12px;padding:10px 18px;box-shadow:0 8px 24px #0003;display:none;z-index:10;max-width:90vw}@media(max-width:700px){.topbar{padding:0 18px;height:64px}.shell{padding:20px 14px 70px}.hero{padding:25px 22px}.grid,.admin-grid{grid-template-columns:1fr}.admin-grid .wide{grid-column:auto}.answer-grid{grid-template-columns:1fr}.card{min-height:210px;padding:24px}.field-row{flex-direction:column}.word-row{grid-template-columns:1fr auto}.word-row .translation{grid-column:1;grid-row:2}.word-row .badge{grid-column:2;grid-row:1/3}.login{margin:35px auto}}