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var(--tw-numeric-fraction,)}.placeholder-slate-400::placeholder{color:var(--color-slate-400)}.opacity-60{opacity:.6}.opacity-90{opacity:.9}.shadow-\[0_-4px_20px_rgba\(0\,0\,0\,0\.06\)\]{--tw-shadow:0 -4px 20px var(--tw-shadow-color,#0000000f);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.shadow-inner{--tw-shadow:inset 0 2px 4px 0 var(--tw-shadow-color,#0000000d);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.shadow-md{--tw-shadow:0 4px 6px -1px var(--tw-shadow-color,#0000001a), 0 2px 4px -2px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.shadow-sm{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring-2{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.ring-amber-200{--tw-ring-color:var(--color-amber-200)}.ring-emerald-200{--tw-ring-color:var(--color-emerald-200)}.ring-indigo-200{--tw-ring-color:var(--color-indigo-200)}.ring-rose-200{--tw-ring-color:var(--color-rose-200)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.backdrop-blur-md{--tw-backdrop-blur:blur(var(--blur-md));-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.backdrop-blur-sm{--tw-backdrop-blur:blur(var(--blur-sm));-webkit-backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,);backdrop-filter:var(--tw-backdrop-blur,) var(--tw-backdrop-brightness,) var(--tw-backdrop-contrast,) var(--tw-backdrop-grayscale,) var(--tw-backdrop-hue-rotate,) var(--tw-backdrop-invert,) var(--tw-backdrop-opacity,) var(--tw-backdrop-saturate,) var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-all{transition-property:all;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-colors{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.duration-700{--tw-duration:.7s;transition-duration:.7s}.duration-1000{--tw-duration:1s;transition-duration:1s}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}.ease-out{--tw-ease:var(--ease-out);transition-timing-function:var(--ease-out)}.outline-none{--tw-outline-style:none;outline-style:none}.select-none{-webkit-user-select:none;user-select:none}@media (hover:hover){.hover\:border-amber-500:hover{border-color:var(--color-amber-500)}.hover\:border-indigo-400:hover{border-color:var(--color-indigo-400)}.hover\:bg-emerald-700:hover{background-color:var(--color-emerald-700)}.hover\:bg-indigo-50:hover{background-color:var(--color-indigo-50)}.hover\:bg-indigo-50\/30:hover{background-color:#eef2ff4d}@supports (color:color-mix(in lab, red, red)){.hover\:bg-indigo-50\/30:hover{background-color:color-mix(in oklab, var(--color-indigo-50) 30%, 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8)!important}.md\:text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.md\:text-3xl{font-size:var(--text-3xl);line-height:var(--tw-leading,var(--text-3xl--line-height))}.md\:text-base{font-size:var(--text-base);line-height:var(--tw-leading,var(--text-base--line-height))}.md\:text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.md\:text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.md\:text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}}}:root{--primary-50:#eef2ff;--primary-100:#e0e7ff;--primary-200:#c7d2fe;--primary-300:#a5b4fc;--primary-400:#818cf8;--primary-500:#6366f1;--primary-600:#4f46e5;--primary-700:#4338ca;--primary-800:#3730a3;--primary-900:#312e81;--accent-amber:#f59e0b;--accent-amber-light:#fef3c7;--accent-emerald:#10b981;--accent-emerald-light:#d1fae5;--accent-rose:#f43f5e;--accent-rose-light:#ffe4e6;--bg-app:#f8fafc;--bg-card:#fff;--bg-card-subtle:#f1f5f9;--text-main:#0f172a;--text-muted:#64748b;--text-inverse:#fff;--border-subtle:#e2e8f0;--border-medium:#cbd5e1;--border-focus:#6366f1;--font-sans:"Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display:"Pretendard", -apple-system, sans-serif;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-full:9999px;--shadow-sm:0 1px 3px #0000000d;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 10px 25px #0000001a;--sat:env(safe-area-inset-top,0px);--sar:env(safe-area-inset-right,0px);--sab:env(safe-area-inset-bottom,0px);--sal:env(safe-area-inset-left,0px)}*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{width:100%;height:100%;font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-main);touch-action:manipulation;line-height:1.5;overflow-x:hidden}#root{flex-direction:column;width:100%;min-height:100%;display:flex}.app-container{width:100%;max-width:1140px;padding:calc(var(--sat) + 8px) 12px calc(var(--sab) + 16px) 12px;flex-direction:column;flex:1;margin:0 auto;display:flex}@media (width>=640px){.app-container{padding:calc(var(--sat) + 14px) 16px calc(var(--sab) + 20px) 16px}}@media (width>=1024px){.app-container{max-width:1140px;padding:calc(var(--sat) + 16px) 20px calc(var(--sab) + 28px) 20px}}.main-view{flex-direction:column;flex:1;width:100%;display:flex}@media (width<=860px){.token-history-grid{grid-template-columns:1fr!important}}.app-header{background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--border-subtle);flex-direction:column;gap:8px;width:100%;margin-bottom:14px;padding:10px 14px;display:flex}.header-top-row{justify-content:space-between;align-items:center;gap:8px;width:100%;display:flex}.brand-section{flex-shrink:0;align-items:center;gap:8px;display:flex}.brand-logo{border-radius:var(--radius-sm);background:linear-gradient(135deg, var(--primary-500), #7c3aed);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:1.15rem;font-weight:800;display:flex;box-shadow:0 4px 10px #6366f140}.brand-info h1{letter-spacing:-.02em;color:var(--text-main);white-space:nowrap;align-items:center;gap:6px;font-size:1rem;font-weight:800;display:flex}.brand-info span.version-tag{background:var(--primary-100);color:var(--primary-700);border-radius:var(--radius-full);padding:2px 6px;font-size:.65rem;font-weight:700}.header-status-group{flex-shrink:0;align-items:center;gap:6px;display:flex}.user-badge{background:var(--primary-50);border:1px solid var(--primary-200);border-radius:var(--radius-full);cursor:pointer;white-space:nowrap;flex-shrink:0;align-items:center;gap:6px;padding:4px 10px;transition:all .2s;display:flex}.user-badge:hover{background:var(--primary-100)}.user-avatar{background:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:.95rem;display:flex}.user-name{color:var(--primary-700);white-space:nowrap;font-size:.82rem;font-weight:700}.level-badge{background:var(--primary-600);color:#fff;border-radius:var(--radius-full);white-space:nowrap;padding:2px 6px;font-size:.68rem;font-weight:800}.google-user-pill{border-radius:var(--radius-full);background:var(--bg-card);border:1px solid var(--border-medium);white-space:nowrap;flex-shrink:0;align-items:center;gap:6px;padding:4px 8px;font-size:.78rem;display:flex}.google-user-avatar{object-fit:cover;border-radius:50%;flex-shrink:0;width:22px;height:22px}.google-user-avatar-fallback{color:#fff;background:#4285f4;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;font-weight:700;display:flex}.google-user-name{text-overflow:ellipsis;white-space:nowrap;max-width:75px;color:var(--text-main);font-size:.78rem;font-weight:700;overflow:hidden}.google-logout-btn{cursor:pointer;color:var(--text-muted);background:0 0;border:none;align-items:center;padding:2px;display:flex}.google-login-btn{white-space:nowrap;border-radius:var(--radius-full);background:var(--bg-card);flex-shrink:0;align-items:center;gap:5px;min-height:32px;padding:5px 10px;font-size:.78rem;display:flex}.header-action-btn{white-space:nowrap;flex-shrink:0;min-height:32px;padding:5px 10px;font-size:.78rem}.learning-step-standalone-bar{background:var(--bg-card);border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-sm);border:1px solid var(--border-subtle);flex-direction:column;gap:10px;margin-bottom:16px;padding:12px 16px;display:flex}.learning-step-bar-header{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;padding-bottom:8px;display:flex}.learning-step-title-wrap{align-items:center;gap:8px;display:flex}.learning-step-badge{color:#4f46e5;border-radius:var(--radius-full);background:#eef2ff;padding:2px 8px;font-size:.72rem;font-weight:800}.learning-step-heading{color:var(--text-main);font-size:.85rem;font-weight:800}.learning-step-status-text{color:var(--text-muted);font-size:.78rem}.learning-step-status-text strong{color:var(--primary-600)}.step-stepper-large{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;width:100%;display:grid}@media 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#4f46e54d}.intro-bottom-cta-heading{margin-bottom:14px;font-size:clamp(1.6rem,4vw,2.4rem);font-weight:900;line-height:1.3}.intro-bottom-cta-sub{opacity:.9;max-width:600px;margin-bottom:32px;margin-left:auto;margin-right:auto;font-size:1rem}.intro-footer{color:#f8fafc;background:#0f172a;margin-top:auto;padding:60px 24px 30px}.intro-footer-inner{border-bottom:1px solid #1e293b;flex-wrap:wrap;justify-content:space-between;gap:40px;max-width:1200px;margin:0 auto;padding-bottom:40px;display:flex}.intro-footer-brand{max-width:500px}.intro-footer-links{flex-wrap:wrap;gap:60px;display:flex}.intro-footer-col{flex-direction:column;gap:10px;display:flex}.intro-footer-title{color:#fff;margin-bottom:6px;font-size:.85rem;font-weight:800}.intro-footer-col a{color:#94a3b8;font-size:.82rem;text-decoration:none;transition:color .15s}.intro-footer-col a:hover{color:#fff}.intro-footer-bottom{color:#64748b;flex-wrap:wrap;justify-content:space-between;gap:10px;max-width:1200px;margin:24px auto 0;font-size:.78rem;display:flex}@media (width<=768px){.intro-nav-menu{display:none}.intro-hero-section{padding:36px 16px 50px}.intro-section-container{padding:50px 16px}.intro-bottom-cta-box{padding:40px 20px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-gradient-position{syntax:"*";inherits:false}@property --tw-gradient-from{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-via{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-to{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-stops{syntax:"*";inherits:false}@property --tw-gradient-via-stops{syntax:"*";inherits:false}@property --tw-gradient-from-position{syntax:"<length-percentage>";inherits:false;initial-value:0%}@property --tw-gradient-via-position{syntax:"<length-percentage>";inherits:false;initial-value:50%}@property --tw-gradient-to-position{syntax:"<length-percentage>";inherits:false;initial-value:100%}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@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-outline-style{syntax:"*";inherits:false;initial-value:solid}@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}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-ease{syntax:"*";inherits:false}@keyframes pulse{50%{opacity:.5}}