@import"https://fonts.googleapis.com/css2?family=Fraunces:ital,wght@0,700;0,900;1,700&family=Nunito:wght@400;500;600;700&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--red: #D63A2A;--red-lt: #FDECEA;--red-dk: #A02015;--orange: #E8762A;--orange-lt: #FEF0E6;--yellow: #F5C518;--yellow-lt: #FEF8E1;--green: #2E8B57;--green-lt: #E4F5EC;--green-dk: #1A5C38;--ink: #1A1208;--ink-2: #4A3828;--ink-3: #8A7060;--ink-4: #C4B4A4;--surface: #FFFDF8;--bg: #FBF6EE;--border: #EAE0D0;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--shadow: 0 2px 8px rgba(80,40,10,.08), 0 8px 24px rgba(80,40,10,.05);--font-body: "Nunito", system-ui, sans-serif;--font-disp: "Fraunces", Georgia, serif}body{font-family:var(--font-body);background:var(--bg);color:var(--ink);min-height:100vh;-webkit-font-smoothing:antialiased}.app-shell{display:flex;flex-direction:column;min-height:100vh}.topbar{position:sticky;top:0;z-index:100;background:var(--red);border-bottom:2px solid var(--red-dk);padding:0 1.25rem;display:flex;align-items:center;justify-content:space-between;height:60px}.topbar-logo{font-family:var(--font-disp);font-size:22px;font-weight:900;color:var(--yellow);letter-spacing:-.5px;display:flex;align-items:center;gap:8px}.topbar-nav{display:flex;gap:2px}.nav-btn{background:none;border:none;cursor:pointer;font-family:var(--font-body);font-size:13px;font-weight:600;color:#ffffffbf;padding:6px 12px;border-radius:var(--radius-sm);transition:color .15s,background .15s;display:flex;align-items:center;gap:5px;letter-spacing:.01em}.nav-btn:hover{background:#ffffff26;color:#fff}.nav-btn.active{background:#fff3;color:#fff;font-weight:700}.topbar-user{display:flex;align-items:center;gap:8px;font-size:13px;color:#ffffffe6;font-weight:600}.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--red),var(--orange));color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;box-shadow:0 2px 6px #d63a2a4d}.main{flex:1;max-width:780px;margin:0 auto;width:100%;padding:1.5rem 1.25rem 4rem}.btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-body);font-size:13px;font-weight:700;padding:9px 18px;border-radius:var(--radius-md);border:2px solid transparent;cursor:pointer;transition:opacity .15s,transform .1s;letter-spacing:.02em}.btn:active{transform:scale(.97)}.btn-primary{background:var(--red);color:#fff;border-color:var(--red-dk)}.btn-primary:hover{background:var(--red-dk)}.btn-outline{background:var(--surface);color:var(--ink-2);border-color:var(--border)}.btn-outline:hover{border-color:var(--orange);color:var(--orange)}.btn-ghost{background:transparent;color:var(--ink-3);border-color:transparent}.btn-ghost:hover{background:var(--orange-lt);color:var(--orange)}.btn-sm{font-size:12px;padding:5px 12px}.btn-icon{padding:7px;border-radius:50%}.card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:5px;white-space:nowrap;line-height:1.4;letter-spacing:.03em}.progress-track{height:7px;background:var(--border);border-radius:99px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--red),var(--orange));border-radius:99px;transition:width .5s ease}.word-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.flip-scene{perspective:1000px;cursor:pointer}.flip-card{position:relative;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.4,0,.2,1);height:100%}.flip-card.flipped{transform:rotateY(180deg)}.flip-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-lg)}.flip-back{transform:rotateY(180deg)}.audio-btn{background:var(--yellow-lt);border:none;cursor:pointer;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--orange);transition:background .15s,transform .1s;flex-shrink:0;border:1.5px solid #f0d888}.audio-btn:hover{background:var(--yellow-lt);filter:brightness(.95)}.audio-btn:active{transform:scale(.9)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#fbf0e0,#fde8d8,#fbf0e0);padding:1.5rem}.login-card{background:var(--surface);border:2px solid var(--border);border-radius:24px;box-shadow:0 8px 40px #b4501e1f;padding:2.5rem 2rem;width:100%;max-width:380px;text-align:center}.login-title{font-family:var(--font-disp);font-size:32px;font-weight:900;margin-bottom:6px;color:var(--red);font-style:italic;letter-spacing:-1px}.login-sub{font-size:14px;color:var(--ink-3);margin-bottom:1.75rem;font-weight:500}.input{width:100%;padding:11px 14px;font-size:14px;font-family:var(--font-body);border:2px solid var(--border);border-radius:var(--radius-md);background:var(--bg);color:var(--ink);outline:none;transition:border-color .15s;font-weight:500}.input:focus{border-color:var(--orange)}.quiz-option{text-align:left;width:100%;font-size:14px;font-family:var(--font-body);font-weight:600;padding:12px 14px;border-radius:var(--radius-md);border:2px solid var(--border);background:var(--bg);cursor:pointer;transition:border-color .12s,background .12s}.quiz-option:hover:not(:disabled){border-color:var(--orange);background:var(--orange-lt)}.quiz-option.correct{background:var(--green-lt);border-color:#7dc9a0;color:var(--green-dk)}.quiz-option.wrong{background:var(--red-lt);border-color:#f5a49a;color:var(--red-dk)}.tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:1.5rem}.tab{padding:10px 16px;font-size:13px;font-weight:700;border:none;background:none;cursor:pointer;color:var(--ink-3);border-bottom:3px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s;letter-spacing:.02em}.tab:hover{color:var(--orange)}.tab.active{color:var(--red);border-bottom-color:var(--red)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-bottom:1rem}.stat-card{padding:1rem 1.25rem}.stat-val{font-size:28px;font-weight:700;font-family:var(--font-disp);color:var(--red);margin-bottom:2px}.stat-label{font-size:12px;color:var(--ink-3);font-weight:600}.page-title{font-family:var(--font-disp);font-size:28px;font-weight:900;margin-bottom:.25rem;color:var(--ink);letter-spacing:-.5px}.page-sub{font-size:13px;color:var(--ink-3);margin-bottom:1.5rem;font-weight:500}.section-title{font-size:13px;font-weight:700;color:var(--ink-3);margin-bottom:.75rem;text-transform:uppercase;letter-spacing:.06em}.tag-cloud{display:flex;flex-wrap:wrap;gap:6px}.word-tag{font-size:12px;padding:4px 10px;border-radius:20px;white-space:nowrap;font-weight:600}.empty{text-align:center;padding:3rem 1rem;color:var(--ink-3)}.empty-icon{font-size:36px;margin-bottom:.75rem}@media (max-width: 600px){.topbar-nav .nav-btn span{display:none}.word-grid{grid-template-columns:1fr}}