:root{--primary: #0F172A;--secondary: #3B82F6;--accent: #10B981;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DB;--gray-400: #9CA3AF;--gray-500: #6B7280;--gray-600: #4B5563;--gray-700: #374151;--gray-800: #1F2937;--gray-900: #111827;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 4rem;--space-3xl: 6rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / 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768px){h1{font-size:2.5rem}h2{font-size:2rem}.hero h1{font-size:2.75rem}.nav-menu{display:none}.hero-actions{flex-direction:column;width:100%}.btn{width:100%}.features-grid,.features-grid-3,.features-grid-4{grid-template-columns:1fr}.prism-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--space-sm)}.prism-item{padding:var(--space-md)}.prism-emoji{font-size:2rem}.prism-item h4{font-size:.875rem}.prism-item p{font-size:.75rem}}.login-nav{background:#fff;border-bottom:1px solid var(--gray-100)}.login-page{min-height:calc(100vh - 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640px){.login-page{padding:1rem}.login-form-container{max-width:100%}.login-title{font-size:2rem}.login-subtitle{font-size:.875rem}}.signup-page{min-height:calc(100vh - 72px);background:#fff;display:flex;align-items:center;justify-content:center;padding:2rem}.signup-form-container{width:100%;max-width:450px}.signup-title{font-size:2.5rem;font-weight:700;color:var(--primary);margin-bottom:.5rem;text-align:center}.signup-subtitle{color:var(--gray-500);font-size:1rem;text-align:center;margin-bottom:3rem}.signup-form{width:100%}.email-input-group{display:flex;gap:.5rem}.btn-email-verify,.btn-code-verify{flex-shrink:0;padding:.75rem 1.25rem;background:#fff;color:var(--secondary);border:1px solid var(--secondary);border-radius:8px;font-size:.875rem;font-weight:600;cursor:pointer;transition:all 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.2s}.filter-btn:hover{border-color:var(--secondary);color:var(--secondary)}.filter-btn.active{background:var(--secondary);border-color:var(--secondary);color:#fff}.ai-services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:1.5rem;margin-top:3rem}.ai-service-card{background:#fff;border-radius:16px;padding:2rem;box-shadow:0 2px 8px #0000000a;transition:all .3s ease;text-decoration:none;color:inherit;position:relative;display:flex;flex-direction:column;height:100%;border:none}.ai-service-card:hover{transform:translateY(-4px);box-shadow:0 8px 32px #0000001f}.ai-service-card.highlight{background:linear-gradient(135deg,#f8faff,#fff);box-shadow:0 4px 20px #3b82f61a}.ai-service-card.highlight:hover{box-shadow:0 12px 40px #3b82f633}.service-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.service-badge{display:flex;gap:.5rem;align-items:center}.status-badge{padding:.375rem .875rem;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;border:none}.status-badge.active{background:linear-gradient(135deg,#ecfdf5,#d1fae5);color:#047857}.status-badge.dev{background:linear-gradient(135deg,#eff6ff,#dbeafe);color:#1d4ed8}.status-badge.planned{background:linear-gradient(135deg,var(--gray-50),var(--gray-100));color:var(--gray-600)}.phase-badge{background:#3b82f61a;color:var(--secondary);padding:.375rem .875rem;border-radius:20px;font-size:.75rem;font-weight:500;border:none}.service-main{flex-grow:1;display:flex;flex-direction:column}.service-icon-wrapper{display:flex;align-items:center;margin-bottom:1.25rem}.service-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--secondary) 0%,#1E40AF 100%);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-right:1rem;box-shadow:0 4px 12px #3b82f640}.service-icon-text{color:#fff;font-size:.875rem;font-weight:700;letter-spacing:.05em}.service-name{font-size:1.25rem;font-weight:700;color:var(--primary);margin:0;line-height:1.2}.service-description{color:var(--gray-600);font-size:.9rem;line-height:1.6;margin-bottom:1.5rem;flex-grow:1}.service-footer{margin-top:auto;padding-top:1rem;border-top:1px solid var(--gray-100)}.service-versions{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.version-label{font-size:.75rem;color:var(--gray-500);font-weight:500;margin-right:.25rem}.version-link{padding:.375rem .75rem;background:var(--gray-50);color:var(--gray-700);border-radius:8px;font-size:.75rem;font-weight:500;text-decoration:none;transition:all .2s;border:1px solid var(--gray-200)}.version-link:hover{background:var(--secondary);color:#fff;border-color:var(--secondary);transform:translateY(-1px)}.service-status-indicator{position:absolute;top:1.5rem;right:1.5rem;width:10px;height:10px;border-radius:50%;transition:all .3s}.ai-service-card .service-status-indicator{background:var(--gray-300)}.ai-service-card.highlight .service-status-indicator{background:var(--secondary)}.ai-service-card:hover .service-status-indicator{background:var(--secondary);transform:scale(1.2)}.empty-state{text-align:center;padding:4rem 2rem;color:var(--gray-500)}.coming-soon-section{min-height:calc(100vh - 272px);display:flex;align-items:center;justify-content:center;padding:4rem 0}.coming-soon-content{text-align:center;max-width:600px;margin:0 auto}.coming-soon-icon{font-size:4rem;margin-bottom:2rem;opacity:.8}.coming-soon-title{font-size:2.5rem;font-weight:700;color:var(--primary);margin-bottom:1rem}.coming-soon-subtitle{font-size:1.25rem;color:var(--gray-600);margin-bottom:3rem;line-height:1.6}.coming-soon-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}@media (max-width: 640px){.coming-soon-title{font-size:2rem}.coming-soon-subtitle{font-size:1.125rem}.coming-soon-actions{flex-direction:column;align-items:center}.coming-soon-actions .btn{width:100%;max-width:280px}}.tools-container{min-height:100vh;background:var(--gray-50)}.tools-header{background:#fff;border-bottom:1px solid var(--gray-200);padding:1rem 0;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}.tools-nav{display:flex;justify-content:space-between;align-items:center}.tools-nav-left{display:flex;align-items:center;gap:2rem}.tools-nav-logo{font-size:1.25rem;font-weight:700;color:var(--primary);text-decoration:none}.tools-nav-badge{background:var(--secondary);color:#fff;padding:.25rem .75rem;border-radius:100px;font-size:.875rem;font-weight:600}.user-info{display:flex;align-items:center;gap:1rem;color:var(--gray-700);font-size:.9rem}.btn-logout{padding:.5rem 1rem;background:#fff;border:1px solid var(--gray-300);border-radius:6px;color:var(--gray-700);text-decoration:none;font-size:.875rem;transition:all .2s}.btn-logout:hover{background:var(--gray-50);border-color:var(--gray-400)}.tools-main,.tools-grid{padding:3rem 0}.tools-title{font-size:2rem;color:var(--gray-900);margin-bottom:1rem}.tools-subtitle{color:var(--gray-600);margin-bottom:3rem}.tool-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;margin-bottom:3rem}.tool-card{background:#fff;border-radius:12px;padding:2rem;border:1px solid var(--gray-200);transition:all .2s;text-decoration:none;color:inherit;position:relative;overflow:hidden}.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--secondary)}.tool-card-icon{width:48px;height:48px;background:var(--gray-100);border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;font-size:1.5rem}.tool-card-title{font-size:1.25rem;font-weight:600;color:var(--gray-900);margin-bottom:.5rem}.tool-card-description{color:var(--gray-600);font-size:.95rem;line-height:1.5;margin-bottom:1rem}.tool-card-status{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--gray-500)}.tool-card-status.active{color:var(--accent)}.tool-card-new{position:absolute;top:1rem;right:1rem;background:var(--secondary);color:#fff;padding:.25rem .75rem;border-radius:100px;font-size:.75rem;font-weight:600}@media (max-width: 768px){.category-filter{justify-content:flex-start;overflow-x:auto;padding-bottom:.5rem}.filter-btn{white-space:nowrap;flex-shrink:0}.ai-services-grid{grid-template-columns:1fr;gap:1rem}.ai-service-card{padding:1.5rem}.service-icon{width:48px;height:48px;font-size:1.5rem}}