:root{--color-brand-50:#eaf1fb;--color-brand-100:#cddffa;--color-brand-200:#9fbdf0;--color-brand-300:#6f97dd;--color-brand-400:#3f6fc4;--color-brand-500:#2f5aa8;--color-brand-600:#244888;--color-brand-700:#1c3a6e;--color-brand-800:#16305c;--color-brand-900:#10233f;--color-gold-300:#f6d488;--color-gold-400:#eec269;--color-gold-500:#d9a441;--color-gold-600:#b9861f;--color-emerald-400:#34d399;--color-emerald-500:#10b981;--color-bg-base:#0b111c;--color-bg-surface:#0e1420;--color-bg-card:#161f30b8;--color-bg-card-solid:#141d2e;--color-bg-hover:#222f48d9;--color-bg-overlay:#05080edb;--color-text-primary:#f2f5fb;--color-text-secondary:#a9b6cc;--color-text-muted:#6a7893;--color-text-inverse:#0b111c;--color-border:#7896c829;--color-border-strong:#7896c857;--color-border-brand:#3f6fc480;--color-border-gold:#eec26973;--color-success:#34d399;--color-warning:#f0b429;--color-error:#f0637a;--color-info:#3f6fc4;--gradient-brand:linear-gradient(135deg, #3f6fc4 0%, #244888 100%);--gradient-gold:linear-gradient(135deg, #f6d488 0%, #d9a441 100%);--gradient-hero:radial-gradient(ellipse at 50% -10%, #3f6fc447 0%, #eec26914 45%, #0b111c 82%);--gradient-card:linear-gradient(145deg, #3f6fc41a 0%, #eec26908 100%);--gradient-glass:linear-gradient(145deg, #ffffff0f 0%, #ffffff04 100%);--shadow-sm:0 2px 6px #0006;--shadow-md:0 4px 20px #00000080;--shadow-lg:0 10px 40px #000000a6;--shadow-brand:0 0 22px #3f6fc459;--shadow-gold:0 6px 22px #d9a44147;--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:#0e1420e6;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:#0e1420f0;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}.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:#3a2708;box-shadow:var(--shadow-gold)}.btn-gold:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 26px #d9a4416b}.btn-outline{color:var(--color-text-primary);border:1px solid var(--color-border-strong);background:0 0}.btn-outline:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-brand-400);color:var(--color-brand-300)}.btn-ghost{color:var(--color-text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--color-bg-hover);color:var(--color-text-primary)}.btn-danger{color:var(--color-error);background:#f0637a24;border:1px solid #f0637a4d}.btn-danger:hover:not(:disabled){background:#f0637a3d}.btn-sm{font-size:var(--font-size-xs);border-radius:var(--radius-sm);padding:8px 14px}.btn-lg{font-size:var(--font-size-base);border-radius:var(--radius-lg);padding:16px 28px}.btn-full{width:100%}.btn-icon{border-radius:var(--radius-md);padding:10px}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-md);transition:all var(--transition-normal);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.card-hover:hover{border-color:var(--color-border-brand);box-shadow:var(--shadow-brand);transform:translateY(-2px)}.card-selected{border-color:var(--color-gold-400);box-shadow:var(--shadow-gold);background:var(--gradient-card)}.chip{border-radius:var(--radius-full);font-size:var(--font-size-sm);border:1px solid var(--color-border);background:var(--color-bg-card);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;align-items:center;gap:6px;padding:6px 14px;font-weight:600;display:inline-flex}.chip:hover{border-color:var(--color-brand-400);color:var(--color-brand-300)}.chip.selected{border-color:var(--color-brand-400);color:var(--color-brand-100);background:#3f6fc42e}.badge{border-radius:var(--radius-full);letter-spacing:.01em;align-items:center;gap:4px;padding:3px 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:#eec26929;border:1px solid #eec2694d}.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 #3f6fc429}.input::placeholder{color:var(--color-text-muted)}.input-label{font-size:var(--font-size-sm);color:var(--color-text-primary);align-items:center;gap:6px;margin-bottom:8px;font-weight:700;display:flex}textarea.input{resize:vertical;line-height:1.6}.progress-bar{background:var(--color-bg-base);border-radius:var(--radius-full);width:100%;height:6px;overflow:hidden}.progress-bar__fill{background:var(--gradient-gold);border-radius:var(--radius-full);height:100%;transition:width var(--transition-slow)}.hero-section{background:var(--gradient-hero);padding:var(--spacing-2xl) var(--spacing-md) var(--spacing-xl);text-align:center;position:relative;overflow:hidden}.hero-title{font-size:var(--font-size-3xl);margin-bottom:var(--spacing-md);letter-spacing:-.02em;font-weight:900;line-height:1.25}.hero-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-bottom:var(--spacing-xl);line-height:1.65}.gradient-text{background:var(--gradient-gold);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.text-gradient-blue{background:linear-gradient(135deg,#6f97dd,#eec269);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.upload-zone{border:2px dashed var(--color-border-strong);border-radius:var(--radius-xl);padding:var(--spacing-xl) var(--spacing-lg);align-items:center;gap:var(--spacing-md);text-align:center;cursor:pointer;transition:all var(--transition-normal);flex-direction:column;display:flex}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--color-gold-400);background:#eec2690d}.photo-grid{gap:var(--spacing-sm);grid-template-columns:repeat(3,1fr);display:grid}.photo-item{aspect-ratio:1;border-radius:var(--radius-md);background:var(--color-bg-base);border:1px solid var(--color-border);position:relative;overflow:hidden}.photo-item img{object-fit:cover;width:100%;height:100%}.photo-item__remove{border-radius:var(--radius-full);color:#fff;background:#0000009e;justify-content:center;align-items:center;width:24px;height:24px;display:flex;position:absolute;top:5px;right:5px}.photo-item__idx{color:#fff;border-radius:var(--radius-full);background:#0000009e;padding:2px 6px;font-size:10px;font-weight:700;position:absolute;bottom:5px;left:5px}.concept-grid{gap:var(--spacing-sm);grid-template-columns:repeat(2,1fr);display:grid}.concept-card{border-radius:var(--radius-lg);cursor:pointer;background:var(--color-bg-card);border:2px solid var(--color-border);transition:all var(--transition-normal);padding:var(--spacing-md);flex-direction:column;gap:6px;min-height:132px;display:flex;position:relative;overflow:hidden}.concept-card:hover{border-color:var(--color-border-brand);transform:translateY(-2px)}.concept-card.selected{border-color:var(--color-gold-400);box-shadow:var(--shadow-gold);background:var(--gradient-card)}.concept-card__emoji{font-size:26px}.concept-card__name{color:var(--color-text-primary);font-size:.98rem;font-weight:800}.concept-card__desc{color:var(--color-text-secondary);font-size:.76rem;line-height:1.4}.concept-card__need{color:var(--color-gold-400);margin-top:auto;font-size:.72rem;font-weight:700}.video-player{border-radius:var(--radius-lg);background:#000;width:100%;position:relative;overflow:hidden}.video-player video{object-fit:contain;width:100%;height:100%;display:block}.seg{background:var(--color-bg-base);border:1px solid 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 #eec26900}50%{box-shadow:0 0 0 10px #eec26924}}.animate-fade-in{animation:.35s forwards fadeIn}.animate-spin{animation:1s linear infinite spin}.skeleton{background:var(--color-bg-card);border-radius:var(--radius-md);position:relative;overflow:hidden}.skeleton:after{content:"";background:linear-gradient(90deg,#0000,#ffffff0d,#0000);animation:1.5s infinite shimmer;position:absolute;inset:0}.flex-center{justify-content:center;align-items:center;display:flex}.flex-between{justify-content:space-between;align-items:center;display:flex}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.text-gold{color:var(--color-gold-400)}.divider{background:var(--color-border);height:1px;margin:var(--spacing-md) 0}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border-strong);border-radius:var(--radius-full)}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}