:root{--color-brand-50:#e8f1ff;--color-brand-100:#cfe2ff;--color-brand-200:#a6c8ff;--color-brand-300:#6ea8ff;--color-brand-400:#3b82f6;--color-brand-500:#2563eb;--color-brand-600:#1d4ed8;--color-brand-700:#1e40af;--color-brand-800:#1b357f;--color-brand-900:#16264f;--color-gold-300:#7dd3fc;--color-gold-400:#38bdf8;--color-gold-500:#0ea5e9;--color-gold-600:#0284c7;--color-emerald-400:#34d399;--color-emerald-500:#10b981;--color-bg-base:#0d0f13;--color-bg-surface:#12151b;--color-bg-card:#1c212ab8;--color-bg-card-solid:#171b22;--color-bg-hover:#282e3ad9;--color-bg-overlay:#040609db;--color-text-primary:#f3f5f9;--color-text-secondary:#aab4c4;--color-text-muted:#6d7789;--color-text-inverse:#0d0f13;--color-border:#96a5be26;--color-border-strong:#96a5be52;--color-border-brand:#3b82f680;--color-border-gold:#38bdf880;--color-success:#34d399;--color-warning:#fbbf24;--color-error:#f0637a;--color-info:#3b82f6;--gradient-brand:linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);--gradient-gold:linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);--gradient-hero:radial-gradient(ellipse at 50% -10%, #38bdf842 0%, #3b82f614 45%, #0d0f13 82%);--gradient-card:linear-gradient(145deg, #38bdf81a 0%, #3b82f608 100%);--gradient-glass:linear-gradient(145deg, #ffffff0f 0%, #ffffff04 100%);--shadow-sm:0 2px 6px #00000073;--shadow-md:0 4px 20px #0000008c;--shadow-lg:0 10px 40px #000000b3;--shadow-brand:0 0 22px #3b82f659;--shadow-gold:0 6px 22px #38bdf84d;--font-sans:"Pretendard", -apple-system, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;--font-serif:"Gowun Batang", "Nanum Myeongjo", serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--radius-sm:8px;--radius-md:14px;--radius-lg:18px;--radius-xl:24px;--radius-full:9999px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.16, 1, .3, 1);--transition-slow:.4s cubic-bezier(.16, 1, .3, 1);--header-height:60px;--bottom-nav-height:64px;--max-width:560px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);font-size:var(--font-size-base);color:var(--color-text-primary);background-color:var(--color-bg-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100dvh;line-height:1.6;overflow-x:hidden}#root{flex-direction:column;min-height:100dvh;display:flex}img,video{max-width:100%;display:block}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}a{color:inherit;text-decoration:none}input,textarea,select{font-family:inherit}.app-shell{min-height:100dvh;max-width:var(--max-width);background:var(--color-bg-surface);flex-direction:column;margin:0 auto;display:flex;position:relative;box-shadow:0 0 60px #0006}.page-content{padding-top:var(--header-height);padding-bottom:var(--bottom-nav-height);flex:1;overflow:hidden auto}.page-content.no-bottom{padding-bottom:0}.app-header{width:100%;max-width:var(--max-width);height:var(--header-height);padding:0 var(--spacing-md);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);z-index:100;background:#12151be6;justify-content:space-between;align-items:center;display:flex;position:fixed;top:0;left:50%;transform:translate(-50%)}.app-header__logo{align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-lg);font-weight:800;display:flex}.app-header__actions{align-items:center;gap:var(--spacing-sm);display:flex}.bottom-nav{width:100%;max-width:var(--max-width);height:var(--bottom-nav-height);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--color-border);z-index:100;background:#12151bf0;align-items:center;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.bottom-nav__item{padding:var(--spacing-sm) 0;color:var(--color-text-muted);transition:color var(--transition-fast);flex-direction:column;flex:1;align-items:center;gap:3px;font-size:10px;font-weight:600;display:flex}.bottom-nav__item.active{color:var(--color-gold-400)}.bottom-nav__item svg{width:22px;height:22px}@media (width>=640px){body{background:radial-gradient(120% 68% at 50% -12%, #38bdf81c, transparent 55%), radial-gradient(90% 55% at 50% 116%, #3b82f612, transparent 55%), var(--color-bg-base);background-attachment:fixed}.app-shell{border-left:1px solid var(--color-border);border-right:1px solid var(--color-border);box-shadow:0 0 110px #0000008c,0 0 0 1px #ffffff05}.app-header,.bottom-nav{border-left:1px solid var(--color-border);border-right:1px solid var(--color-border)}}.btn{justify-content:center;align-items:center;gap:var(--spacing-sm);border-radius:var(--radius-md);font-size:var(--font-size-sm);transition:all var(--transition-fast);white-space:nowrap;-webkit-user-select:none;user-select:none;padding:12px 20px;font-weight:700;line-height:1;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--gradient-brand);color:#fff;box-shadow:var(--shadow-brand)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 0 30px #3f6fc480}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-gold{background:var(--gradient-gold);color:#06232f;box-shadow:var(--shadow-gold)}.btn-gold:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 26px #38bdf86b}.btn-outline{color:var(--color-text-primary);border:1px solid var(--color-border-strong);background:0 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10px;font-size:11px;font-weight:700;display:inline-flex}.badge-brand{color:var(--color-brand-200);background:#3f6fc433;border:1px solid #3f6fc459}.badge-gold{color:var(--color-gold-300);background:#38bdf829;border:1px solid #38bdf84d}.badge-success{color:var(--color-emerald-400);background:#34d39926;border:1px solid #34d39947}.badge-muted{background:var(--color-bg-card);color:var(--color-text-muted);border:1px solid var(--color-border)}.input{background:var(--color-bg-base);border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--color-text-primary);font-size:var(--font-size-sm);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:13px 15px;font-family:inherit}.input:focus{border-color:var(--color-brand-400);box-shadow:0 0 0 3px 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var(--color-border);border-radius:var(--radius-md);gap:6px;padding:4px;display:flex}.seg__btn{border-radius:var(--radius-sm);color:var(--color-text-secondary);transition:all var(--transition-fast);flex:1;padding:10px 12px;font-size:.85rem;font-weight:700}.seg__btn.active{background:var(--gradient-brand);color:#fff;box-shadow:var(--shadow-brand)}.stepper{padding:10px var(--spacing-md);align-items:center;gap:6px;display:flex}.stepper__dot{background:var(--color-border-strong);width:8px;height:8px;transition:all var(--transition-normal);border-radius:50%}.stepper__dot.active{background:var(--color-gold-400);border-radius:5px;width:22px}.stepper__dot.done{background:var(--color-brand-400)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}@keyframes pulse-gold{0%,to{box-shadow:0 0 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