@import "https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300..700;1,9..40,300..700&family=JetBrains+Mono:wght@400;600&display=swap";._toolbar_1mnjo_1{height:var(--toolbar-h);background:var(--bg-glass-strong);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);z-index:100;flex-shrink:0;align-items:center;gap:10px;padding:0 14px;display:flex;position:relative}._toolbar_1mnjo_1:after{content:"";background:linear-gradient(90deg, transparent, var(--accent-glow), #7c3aed1a, transparent);height:1px;position:absolute;bottom:-1px;left:0;right:0}._left_1mnjo_25{flex-shrink:0;align-items:center;gap:6px;display:flex}._logoBtn_1mnjo_32{border-radius:var(--radius-sm);width:36px;height:36px;transition:all var(--transition);flex-shrink:0;justify-content:center;align-items:center;display:flex}._logoBtn_1mnjo_32:hover{background:var(--bg-surface-alt)}._logo_1mnjo_32{background:linear-gradient(135deg, var(--accent), var(--accent-hover));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:20px;font-weight:700}._navBtns_1mnjo_53{gap:2px;display:flex}._navBtn_1mnjo_53{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--fg-dim);transition:all var(--transition);justify-content:center;align-items:center;font-size:15px;display:flex}._navBtn_1mnjo_53:hover{background:var(--bg-surface-alt);color:var(--fg)}._urlBar_1mnjo_71{flex:1;min-width:0;max-width:640px}._urlInput_1mnjo_77{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-full);width:100%;height:36px;transition:all var(--transition);color:var(--fg);outline:none;padding:0 16px;font-size:13px}._urlInput_1mnjo_77:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);background:var(--bg-glass-strong)}._right_1mnjo_95{flex-shrink:0;align-items:center;gap:8px;display:flex}._langPill_1mnjo_102{background:var(--accent-light);color:var(--accent-fg);border-radius:var(--radius-full);white-space:nowrap;transition:all var(--transition);letter-spacing:.02em;align-items:center;gap:5px;padding:5px 12px;font-size:12px;font-weight:700;display:flex}._langPill_1mnjo_102:hover{background:var(--accent-glow);transform:translateY(-1px)}._streakPill_1mnjo_118{background:var(--bg-surface);border:1px solid var(--border);color:var(--fg-dim);border-radius:var(--radius-full);transition:all var(--transition);align-items:center;gap:4px;padding:5px 12px;font-size:12px;font-weight:700;display:flex}._streakActive_1mnjo_131{color:#ef4444;background:#ef44441a;border-color:#ef444433}._duePill_1mnjo_137{background:var(--amber-light);color:var(--amber);border-radius:var(--radius-full);transition:all var(--transition);align-items:center;gap:5px;padding:5px 12px;font-size:12px;font-weight:700;display:flex}._duePill_1mnjo_137:hover{transform:translateY(-1px)}._navLink_1mnjo_151{color:var(--fg-muted);border-radius:var(--radius-sm);transition:all var(--transition);padding:6px 12px;font-size:13px;font-weight:600}._navLink_1mnjo_151:hover{background:var(--bg-surface-alt);color:var(--fg)}._menuWrap_1mnjo_161{position:relative}._avatar_1mnjo_163{background:linear-gradient(135deg, var(--accent), var(--accent-hover));color:#fff;width:32px;height:32px;transition:all var(--transition);border:2px solid #0000;border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex;overflow:hidden}._avatar_1mnjo_163:hover{border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}._avatarImg_1mnjo_180{object-fit:cover;width:100%;height:100%}._menuBackdrop_1mnjo_186{z-index:199;position:fixed;inset:0}._menu_1mnjo_161{background:var(--bg-glass-strong);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:var(--radius-lg);min-width:240px;box-shadow:var(--shadow-xl);z-index:200;animation:.15s ease-out _fadeIn_1mnjo_1;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden}._menuUser_1mnjo_208{border-bottom:1px solid var(--border);padding:16px}._menuUserName_1mnjo_213{font-size:14px;font-weight:700}._menuUserEmail_1mnjo_218{color:var(--fg-muted);margin-top:2px;font-size:12px}._menuUserPlan_1mnjo_224{color:var(--accent);margin-top:6px;font-size:12px;font-weight:700}._menuItem_1mnjo_231{text-align:left;width:100%;transition:background var(--transition);padding:12px 16px;font-size:14px;font-weight:500;display:block}._menuItem_1mnjo_231:hover{background:var(--bg-surface-alt)}@media (width<=640px){._langPill_1mnjo_102,._navLink_1mnjo_151{display:none}._toolbar_1mnjo_1{gap:6px;padding:0 10px}}._viewport_1aejf_1{background:#fff;flex:1;min-width:0;min-height:0;position:relative;overflow:hidden}._iframe_1aejf_10{border:none;width:100%;height:100%;display:block}._placeholder_1aejf_17{background:var(--bg-deep);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}._placeholder_1aejf_17:before{content:"";background:radial-gradient(circle at 30% 40%, #60a5fa26 0%, transparent 50%), radial-gradient(circle at 70% 60%, #a855f71a 0%, transparent 50%), radial-gradient(circle at 50% 50%, var(--accent-glow) 0%, transparent 40%);pointer-events:none;width:800px;height:800px;animation:8s ease-in-out infinite _meshFloat_1aejf_1;position:absolute;top:50%;left:50%;transform:translate(-50%,-55%)}._placeholder_1aejf_17:after{content:"";pointer-events:none;background:radial-gradient(circle,#a855f714 0%,#0000 60%);width:500px;height:500px;animation:8s ease-in-out infinite reverse _meshFloat_1aejf_1;position:absolute;top:45%;left:55%;transform:translate(-50%,-50%)}@keyframes _meshFloat_1aejf_1{0%,to{transform:translate(-50%,-55%)scale(1)}50%{transform:translate(-48%,-52%)scale(1.05)}}._placeholderContent_1aejf_60{text-align:center;z-index:1;padding:24px;animation:.6s ease-out _fadeIn_1aejf_1;position:relative}._placeholderLogo_1aejf_68{background:linear-gradient(135deg, var(--accent), #7c3aed);color:#fff;width:80px;height:80px;box-shadow:0 12px 32px var(--accent-glow), 0 0 60px -8px #7c3aed33;border-radius:24px;justify-content:center;align-items:center;margin-bottom:24px;font-size:40px;font-weight:700;animation:4s ease-in-out infinite _logoBreath_1aejf_1;display:inline-flex}@keyframes _logoBreath_1aejf_1{0%,to{box-shadow:0 12px 32px var(--accent-glow), 0 0 60px -8px #7c3aed33}50%{box-shadow:0 16px 40px var(--accent-glow), 0 0 80px -4px #7c3aed4d}}._placeholderTitle_1aejf_89{letter-spacing:-.02em;margin-bottom:10px;font-size:32px;font-weight:700}._placeholderText_1aejf_96{color:var(--fg-muted);max-width:400px;margin:0 auto;font-size:16px;line-height:1.6}._dashboardRow_1aejf_104{justify-content:center;gap:12px;margin-top:28px;animation:.5s ease-out .2s both _fadeIn_1aejf_1;display:flex}._dashboardCard_1aejf_112{background:var(--bg-glass);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition);cursor:default;flex-direction:column;align-items:center;gap:4px;padding:14px 22px;display:flex}button._dashboardCard_1aejf_112{cursor:pointer}button._dashboardCard_1aejf_112:hover{border-color:var(--accent);background:var(--accent-light);box-shadow:var(--shadow-md);transform:translateY(-2px)}._dashboardValue_1aejf_138{background:var(--gradient-accent);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:24px;font-weight:700}._dashboardLabel_1aejf_147{color:var(--fg-muted);white-space:nowrap;font-size:12px;font-weight:500}._suggestions_1aejf_154{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px;display:flex}._suggestion_1aejf_154{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius-full);transition:all var(--transition);align-items:center;gap:8px;padding:10px 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var(--border);flex-direction:column;flex-shrink:0;width:360px;height:100%;animation:.25s ease-out _slideInRight_oqpd7_1;display:flex;overflow:hidden}@keyframes _slideInRight_oqpd7_1{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}._header_oqpd7_20{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;height:48px;padding:0 14px;display:flex}._tabs_oqpd7_30{gap:2px;display:flex}._tab_oqpd7_30{color:var(--fg-dim);border-radius:var(--radius-sm);transition:all var(--transition);padding:7px 14px;font-size:13px;font-weight:600}._tab_oqpd7_30:hover{background:var(--bg-surface-alt);color:var(--fg-muted)}._tabActive_oqpd7_41{color:var(--accent);background:var(--accent-light)}._tabActive_oqpd7_41:hover{background:var(--accent-light);color:var(--accent)}._closeBtn_oqpd7_44{border-radius:var(--radius-sm);width:30px;height:30px;color:var(--fg-dim);transition:all var(--transition);justify-content:center;align-items:center;font-size:14px;display:flex}._closeBtn_oqpd7_44:hover{background:var(--bg-surface-alt);color:var(--fg)}._dictContent_oqpd7_57{flex:1;padding:20px;overflow-y:auto}._wordHeader_oqpd7_63{margin-bottom:10px}._word_oqpd7_63{letter-spacing:-.02em;background:linear-gradient(135deg, var(--fg), var(--accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:24px;font-weight:700}._translation_oqpd7_75{color:var(--fg-muted);margin-bottom:16px;font-size:17px;line-height:1.5}._context_oqpd7_82{background:var(--bg-surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius-md);margin-bottom:16px;padding:14px 16px}._contextLabel_oqpd7_91{text-transform:uppercase;letter-spacing:.06em;color:var(--fg-dim);margin-bottom:6px;font-size:10px;font-weight:700;display:block}._context_oqpd7_82 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14px;display:flex}._chatArea_oqpd7_167{flex-direction:column;flex:1;gap:10px;padding:14px;display:flex;overflow-y:auto}._chatMsg_oqpd7_176{border-radius:18px;max-width:88%;padding:12px 16px;font-size:14px;line-height:1.5;animation:.2s ease-out _fadeIn_oqpd7_1}._tutor_oqpd7_152{background:var(--bg-surface);border:1px solid var(--border);border-bottom-left-radius:6px;align-self:flex-start}._user_oqpd7_192{background:linear-gradient(135deg, var(--accent), var(--accent-hover));color:#fff;box-shadow:0 2px 8px var(--accent-glow);border-bottom-right-radius:6px;align-self:flex-end}._chatInput_oqpd7_200{border-top:1px solid var(--border);flex-shrink:0;gap:8px;padding:12px 14px;display:flex}._chatInput_oqpd7_200 input{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-full);min-width:0;height:38px;transition:all var(--transition);outline:none;flex:1;padding:0 14px}._chatInput_oqpd7_200 input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}@media (width<=768px){._panel_oqpd7_1{border-left:none;border-top:1px solid var(--border);border-radius:var(--radius-xl) var(--radius-xl) 0 0;width:100%;height:auto;max-height:50vh;box-shadow:var(--shadow-xl);z-index:50;animation:.25s ease-out _slideUp_oqpd7_1;position:absolute;bottom:0;left:0;right:0}}._overlay_1vhzh_1{-webkit-backdrop-filter:blur(8px);z-index:1000;background:#0009;justify-content:center;align-items:center;padding:24px;animation:.3s ease-out _fadeIn_1vhzh_1;display:flex;position:fixed;inset:0}._card_1vhzh_15{background:var(--bg-glass-strong);-webkit-backdrop-filter:blur(24px);border:1px solid var(--border);border-radius:var(--radius-xl);text-align:center;width:100%;max-width:420px;box-shadow:var(--shadow-xl);padding:40px;animation:.4s ease-out _slideUp_1vhzh_1}._stepContent_1vhzh_29{animation:.3s ease-out _fadeIn_1vhzh_1}._icon_1vhzh_33{margin-bottom:20px;font-size:48px}._title_1vhzh_38{letter-spacing:-.02em;margin-bottom:10px;font-size:22px;font-weight:700}._description_1vhzh_45{color:var(--fg-muted);max-width:320px;margin-bottom:28px;margin-left:auto;margin-right:auto;font-size:15px;line-height:1.6}._dots_1vhzh_55{justify-content:center;gap:8px;margin-bottom:28px;display:flex}._dot_1vhzh_55{background:var(--bg-surface-hover);width:8px;height:8px;transition:all var(--transition);border-radius:50%}._dotActive_1vhzh_70{background:var(--accent);box-shadow:0 0 8px var(--accent-glow);border-radius:var(--radius-full);width:24px}._actions_1vhzh_77{justify-content:center;gap:12px;display:flex}._skipBtn_1vhzh_83{border-radius:var(--radius-md);color:var(--fg-dim);transition:all var(--transition);padding:10px 24px;font-size:14px;font-weight:600}._skipBtn_1vhzh_83:hover{background:var(--bg-surface-alt);color:var(--fg)}._nextBtn_1vhzh_96{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--accent), var(--accent-hover));color:#fff;box-shadow:0 4px 12px var(--accent-glow);transition:all var(--transition);padding:10px 28px;font-size:14px;font-weight:700}._nextBtn_1vhzh_96:hover{box-shadow:0 6px 20px var(--accent-glow);transform:translateY(-1px)}._layout_1ob1e_1{background:var(--bg-deep);flex-direction:column;height:100vh;display:flex;overflow:hidden}._main_1ob1e_9{flex:1;display:flex;position:relative;overflow:hidden}._viewport_1ob1e_16{flex-direction:column;flex:1;min-width:0;display:flex}._errorBanner_1ob1e_23{background:var(--red);color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:10;padding:10px 20px;font-size:13px;font-weight:600;animation:.3s ease-out 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solid var(--border);border-radius:var(--radius-xl);z-index:1;width:100%;max-width:420px;box-shadow:var(--shadow-xl), 0 0 80px -20px var(--accent-glow);padding:48px 40px;animation:.6s cubic-bezier(.16,1,.3,1) _cardFloat_1ivlv_1;position:relative}@keyframes _cardFloat_1ivlv_1{0%{opacity:0;transform:translateY(24px)scale(.96)}to{opacity:1;transform:translateY(0)scale(1)}}._logo_1ivlv_64{background:linear-gradient(135deg, var(--accent), var(--accent-hover));color:#fff;width:72px;height:72px;box-shadow:0 8px 24px var(--accent-glow);border-radius:20px;justify-content:center;align-items:center;margin-bottom:24px;font-size:36px;font-weight:700;display:inline-flex}._title_1ivlv_79{letter-spacing:-.02em;margin-bottom:8px;font-size:28px;font-weight:700}._subtitle_1ivlv_86{color:var(--fg-muted);max-width:320px;margin-bottom:32px;margin-left:auto;margin-right:auto;font-size:15px;line-height:1.6}._googleBtn_1ivlv_96{background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);justify-content:center;align-items:center;gap:12px;width:100%;padding:14px 24px;font-size:15px;font-weight:600;display:inline-flex}._googleBtn_1ivlv_96:hover{background:var(--bg-surface-hover);border-color:var(--fg-dim);box-shadow:var(--shadow-md);transform:translateY(-1px)}._googleBtn_1ivlv_96._loading_1ivlv_117{opacity:.7;cursor:wait}._divider_1ivlv_119{color:var(--fg-dim);align-items:center;gap:16px;margin:20px 0;font-size:13px;font-weight:500;display:flex}._divider_1ivlv_119:before,._divider_1ivlv_119:after{content:"";background:var(--border);flex:1;height:1px}._emailBtn_1ivlv_136{border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;width:100%;color:var(--fg-muted);transition:all var(--transition);background:0 0;padding:14px 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#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:28px;font-weight:800}._streakLabel_1vker_211{color:var(--fg-dim);font-size:12px;font-weight:600}._empty_1vker_217{text-align:center;color:var(--fg-muted);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:48px 24px;font-size:15px;line-height:1.6;animation:.5s ease-out _fadeIn_1vker_1;display:flex}._emptyIcon_1vker_232{margin-bottom:8px;font-size:56px}._emptyTitle_1vker_237{color:var(--fg);letter-spacing:-.02em;font-size:24px;font-weight:700}._empty_1vker_217 p{max-width:360px;margin:0 auto}@media (width<=640px){._statCards_1vker_38,._stateBreakdown_1vker_147{grid-template-columns:repeat(2,1fr)}._content_1vker_27{padding:16px}._header_1vker_9{padding:12px 16px}._streakSection_1vker_180{flex-direction:column}}:root{--bg:#fafafa;--bg-deep:#f0f0f2;--bg-surface:#fff;--bg-surface-alt:#f4f4f5;--bg-surface-hover:#e4e4e7;--bg-glass:#ffffffb3;--bg-glass-strong:#ffffffd9;--fg:#18181b;--fg-muted:#52525b;--fg-dim:#a1a1aa;--border:#0000000f;--border-strong:#0000001a;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-light:#2563eb14;--accent-fg:#1e40af;--accent-glow:#2563eb26;--green:#16a34a;--green-light:#16a34a14;--amber:#d97706;--amber-light:#d9770614;--red:#dc2626;--red-light:#dc262614;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 8px 30px #00000014;--shadow-xl:0 20px 50px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--font:"DM Sans", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, monospace;--toolbar-h:56px;--transition:.2s cubic-bezier(.4, 0, .2, 1);--gradient-accent:linear-gradient(135deg, #2563eb, #7c3aed);--gradient-accent-dark:linear-gradient(135deg, #60a5fa, #a78bfa)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0a0a0b;--bg-deep:#050506;--bg-surface:#ffffff0a;--bg-surface-alt:#ffffff0f;--bg-surface-hover:#ffffff1a;--bg-glass:#ffffff08;--bg-glass-strong:#ffffff0f;--fg:#f4f4f5;--fg-muted:#fff9;--fg-dim:#ffffff4d;--border:#ffffff0f;--border-strong:#ffffff1a;--accent:#60a5fa;--accent-hover:#3b82f6;--accent-light:#60a5fa1a;--accent-fg:#93c5fd;--accent-glow:#60a5fa1f;--green:#4ade80;--green-light:#4ade801a;--amber:#fbbf24;--amber-light:#fbbf241a;--red:#f87171;--red-light:#f871711a;--shadow-sm:0 1px 2px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 30px #0006;--shadow-xl:0 20px 50px #00000080;--gradient-accent:linear-gradient(135deg, #60a5fa, #a78bfa);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0a0a0b;--bg-deep:#050506;--bg-surface:#ffffff0a;--bg-surface-alt:#ffffff0f;--bg-surface-hover:#ffffff1a;--bg-glass:#ffffff08;--bg-glass-strong:#ffffff0f;--fg:#f4f4f5;--fg-muted:#fff9;--fg-dim:#ffffff4d;--border:#ffffff0f;--border-strong:#ffffff1a;--accent:#60a5fa;--accent-hover:#3b82f6;--accent-light:#60a5fa1a;--accent-fg:#93c5fd;--accent-glow:#60a5fa1f;--green:#4ade80;--green-light:#4ade801a;--amber:#fbbf24;--amber-light:#fbbf241a;--red:#f87171;--red-light:#f871711a;--shadow-sm:0 1px 2px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 30px #0006;--shadow-xl:0 20px 50px #00000080;--gradient-accent:linear-gradient(135deg, #60a5fa, #a78bfa);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}html,body,#root{height:100%}button{cursor:pointer;color:inherit;font-family:inherit;font-size:inherit;background:0 0;border:none}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--fg-dim)}.btn{border-radius:var(--radius-md);transition:all var(--transition);white-space:nowrap;letter-spacing:-.01em;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg, var(--accent), #7c3aed);color:#fff;position:relative;overflow:hidden;box-shadow:0 1px 2px #0000001a,inset 0 1px #ffffff26}.btn-primary:before{content:"";background:linear-gradient(90deg,#0000,#ffffff1a,#0000);transition:transform .5s;position:absolute;inset:0;transform:translate(-100%)}.btn-primary:hover:before{transform:translate(100%)}.btn-primary:hover{box-shadow:0 4px 16px var(--accent-glow), 0 0 40px -8px #7c3aed4d, inset 0 1px 0 #ffffff26;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)scale(.98)}.btn-secondary{background:var(--bg-surface);border:1px solid var(--border-strong);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.btn-secondary:hover{background:var(--bg-surface-hover);border-color:var(--fg-dim)}.btn-ghost{color:var(--fg-muted);background:0 0}.btn-ghost:hover{background:var(--bg-surface-alt);color:var(--fg)}.btn-sm{border-radius:var(--radius-sm);padding:6px 14px;font-size:13px}.btn-lg{border-radius:var(--radius-lg);padding:14px 32px;font-size:16px}.chip{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700;font-family:var(--font-mono);align-items:center;padding:4px 12px;display:inline-flex}.chip-new{background:var(--accent-light);color:var(--accent)}.chip-due{background:var(--amber-light);color:var(--amber)}.chip-learning{background:var(--bg-surface-alt);color:var(--fg-muted)}.chip-known{background:var(--green-light);color:var(--green)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}