@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";:root{--chatgpt-bg: #ffffff;--chatgpt-sidebar: #f9f9f9;--chatgpt-secondary: #f7f7f8;--chatgpt-text-primary: #0d0d0d;--chatgpt-text-secondary: #676767;--chatgpt-border: #e5e5e5;--chatgpt-green: #10a37f;--chatgpt-input-bg: #f7f7f8;--chatgpt-scrollbar-thumb: #cdcdcd;--bg-app: #f5f5f5;--bg-sidebar: #ffffff;--bg-input: #ffffff;--bg-input-hover: #f9f9f9;--text-primary: #1e1e1e;--text-secondary: #757575;--text-label: #5e5e5e;--border-subtle: #e6e6e6;--border-focus: #3b82f6;--accent-primary: #10a37f;--accent-hover: #0d8466;--font-inter: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-device: 0 50px 100px -20px rgba(50, 50, 93, .25), 0 30px 60px -30px rgba(0, 0, 0, .3);font-family:var(--font-inter);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased}.chatgpt-interface.dark{--chatgpt-bg: #212121;--chatgpt-sidebar: #171717;--chatgpt-secondary: #2f2f2f;--chatgpt-text-primary: #ececf1;--chatgpt-text-secondary: #b4b4b4;--chatgpt-border: #3d3d3d;--chatgpt-input-bg: #2f2f2f;--chatgpt-scrollbar-thumb: #424242}*{box-sizing:border-box}body{margin:0;min-height:100vh;overflow:hidden}#root{width:100%;height:100vh}.app-container{display:flex;flex-direction:column;height:100vh;width:100%;background:var(--bg-app);overflow:hidden}.app-header{height:40px;background:#fff;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0;z-index:100}.app-header .header-left{flex:1}.app-header .header-center{flex:0 0 auto}.app-header .header-right{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:12px}.app-title{margin:0;font-size:13px;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.header-loading{font-size:12px;color:var(--text-secondary)}.signin-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:var(--accent-primary);color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s}.signin-btn:hover{background:var(--accent-hover)}.signin-btn-secondary{display:flex;align-items:center;gap:6px;padding:6px 12px;background:transparent;color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:6px;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s}.signin-btn-secondary:hover{background:#f5f5f5;border-color:#d0d0d0}.pro-badge-btn{display:flex;align-items:center;gap:6px;padding:5px 10px;background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;border:none;border-radius:6px;font-size:11px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 1px 3px #f59e0b4d}.pro-badge-btn:hover{transform:translateY(-1px);box-shadow:0 2px 6px #f59e0b66}.user-menu-container{position:relative}.user-menu-btn{display:flex;align-items:center;gap:6px;padding:5px 10px;background:#f5f5f5;border:1px solid var(--border-subtle);border-radius:6px;font-size:12px;font-weight:500;color:var(--text-primary);cursor:pointer;transition:all .2s}.user-menu-btn:hover{background:#ebebeb;border-color:#d0d0d0}.user-menu-btn .pro-icon{color:#f59e0b}.user-menu-dropdown{position:absolute;top:calc(100% + 6px);right:0;background:#fff;border:1px solid var(--border-subtle);border-radius:8px;box-shadow:0 4px 12px #00000026;min-width:200px;z-index:1000;animation:slideDown .15s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.user-menu-header{padding:12px 16px}.user-email{font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:2px}.user-plan{font-size:11px;color:var(--text-secondary)}.user-menu-divider{height:1px;background:var(--border-subtle);margin:4px 0}.user-menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 16px;background:none;border:none;text-align:left;font-size:13px;color:var(--text-primary);cursor:pointer;transition:background .15s}.user-menu-item:hover{background:#f5f5f5}.user-menu-item:first-of-type{border-radius:8px 8px 0 0}.user-menu-item:last-of-type{border-radius:0 0 8px 8px}.app-main-content{display:flex;flex:1;overflow:hidden}.sidebar{width:420px;background-color:var(--bg-sidebar);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;transition:transform .3s cubic-bezier(.16,1,.3,1),width .3s cubic-bezier(.16,1,.3,1);z-index:50;height:100%}.sidebar.collapsed{width:0;transform:translate(-420px);border-right:none}.sidebar-content{padding:1.5rem;overflow-y:auto;flex:1}.form-header{padding:1.5rem;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;gap:12px;background:var(--bg-sidebar)}.form-header img{width:28px;height:28px}.form-header h1{font-size:1.1rem;font-weight:600;margin:0;color:var(--text-primary)}.control-group{display:flex;background:#f0f0f0;padding:4px;border-radius:8px;gap:4px}.control-btn{width:36px;height:36px;border:none;background:transparent;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-secondary);transition:all .2s}.control-btn:hover{background:#0000000d;color:var(--text-primary)}.control-btn.active{background:#fff;color:var(--text-primary);box-shadow:0 1px 3px #0000001a}.control-divider{width:1px;height:24px;background:#e0e0e0;margin:auto 4px}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:11px;font-weight:600;color:var(--text-label);margin-bottom:6px;text-transform:uppercase;letter-spacing:.02em}.form-group input,.form-group textarea,.form-group select{width:100%;padding:8px 10px;font-size:13px;border:1px solid transparent;background-color:#f5f5f5;border-radius:6px;color:var(--text-primary);transition:all .2s ease}.form-group input:hover,.form-group textarea:hover,.form-group select:hover{box-shadow:0 0 0 1px #e0e0e0 inset;background-color:#fff}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;background-color:#fff;box-shadow:0 0 0 2px var(--border-focus) inset}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-group .file-upload-btn{display:flex;align-items:center;justify-content:center;gap:8px;height:36px;background:#fff;border:1px solid var(--border-subtle);border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;color:var(--text-primary);transition:all .2s;width:100%;text-transform:none;margin-bottom:0}.form-group .file-upload-btn:hover{border-color:#b0b0b0;background:#fafafa}.form-group .file-upload-btn.has-file{border-color:var(--accent-primary);color:var(--accent-primary);background:#10a37f0d}.char-count{font-size:10px;color:#999;text-align:right;margin-top:4px}.sidebar-toggle{position:absolute;left:420px;top:50%;transform:translateY(-50%);width:24px;height:48px;background:#fff;border:1px solid var(--border-subtle);border-left:none;border-radius:0 8px 8px 0;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:50;transition:left .3s cubic-bezier(.16,1,.3,1),box-shadow .2s;box-shadow:2px 0 8px #0000000d;color:var(--text-secondary)}.sidebar-toggle:hover{background:#f9f9f9;color:var(--text-primary)}.sidebar-toggle.collapsed{left:0}.preview-container{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem;overflow-y:auto;position:relative;background-color:#f3f4f6;background-image:radial-gradient(at 0% 0%,rgba(167,139,250,.15) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(96,165,250,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(244,114,182,.1) 0px,transparent 50%),radial-gradient(at 0% 100%,rgba(52,211,153,.1) 0px,transparent 50%);background-attachment:fixed}.device-preview-wrapper{margin:auto;transition:all .4s cubic-bezier(.16,1,.3,1);transform-origin:center center;position:relative}.device-preview-wrapper.desktop{width:90%;max-width:1100px;height:85%;background:#fff;border-radius:12px;box-shadow:var(--shadow-device);border:1px solid rgba(0,0,0,.05);overflow-y:auto;overflow-x:hidden}.device-preview-wrapper.mobile{width:375px;height:812px;border-radius:55px;border:8px solid #2a2a2a;box-shadow:0 0 0 2px #4a4a4a,var(--shadow-device);background:#fff;position:relative;overflow:hidden;flex-shrink:0}.device-preview-wrapper.mobile:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.15) 0%,transparent 40%);pointer-events:none;border-radius:46px}@media(max-height:900px){.device-preview-wrapper.mobile{transform:scale(.95)}}@media(max-height:800px){.device-preview-wrapper.mobile{transform:scale(.85)}}@media(max-height:700px){.device-preview-wrapper.mobile{transform:scale(.75)}}.sidebar-content::-webkit-scrollbar{width:6px}.sidebar-content::-webkit-scrollbar-track{background:transparent}.sidebar-content::-webkit-scrollbar-thumb{background:#0000001a;border-radius:3px}.view-tabs{display:flex;justify-content:center;gap:4px;background:#e4e4e7;padding:4px;border-radius:8px;margin-bottom:20px;align-self:center}.tab-btn{padding:8px 16px;border-radius:6px;border:none;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.tab-btn.active{background:#fff;color:var(--text-primary);box-shadow:0 1px 2px #0000001a}.tab-btn:hover:not(.active){background:#ffffff80}.comparison-container{flex:1;display:flex;flex-direction:column;width:100%;max-width:1400px;height:100%;overflow:hidden}.comparison-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding:0 16px}.comparison-header h3{margin:0;font-size:16px;font-weight:600}.export-btn{display:flex;align-items:center;gap:6px;padding:8px 12px;background:#18191b;color:#fff;border:none;border-radius:6px;font-size:13px;cursor:pointer}.variants-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;flex:1;overflow-y:auto;padding:0 16px 20px}.variant-column{display:flex;flex-direction:column;border:2px solid transparent;border-radius:12px;padding:12px;background:#fdfdfd;transition:all .2s;cursor:pointer}.variant-column:hover{background:#fff;box-shadow:0 4px 12px #0000000d}.variant-column.active{border-color:var(--border-focus);background:#fff;box-shadow:0 0 0 4px #3b82f626}.variant-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.variant-name{font-weight:600;font-size:14px}.active-badge{display:flex;align-items:center;gap:4px;background:#eff6ff;color:#3b82f6;font-size:10px;padding:2px 6px;border-radius:4px;font-weight:600}.variant-preview-wrapper{background:#fff;border-radius:8px;border:1px solid var(--border-subtle);overflow:hidden;height:600px;position:relative}.diff-summary{margin-top:12px;padding:8px;background:#fffbeb;border-radius:6px;font-size:12px;color:#92400e}.diff-summary strong{display:block;margin-bottom:4px}.diff-summary ul{margin:0;padding-left:16px}.ai-scenarios-btn{background:linear-gradient(135deg,#10a37f,#0d8466);color:#fff;border:none;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;width:100%;width:auto;display:flex;align-items:center;margin-left:auto;box-shadow:0 2px 4px #10a37f33;transition:all .2s}.ai-scenarios-btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px #10a37f4d}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease-out}.modal-content{background:#fff;border-radius:16px;width:90%;max-width:500px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;animation:slideUp .3s cubic-bezier(.16,1,.3,1)}.modal-content.wide{max-width:900px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{padding:20px 24px;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between}.header-left{display:flex;align-items:center;gap:12px}.header-icon{width:32px;height:32px;background:#10a37f1a;border-radius:8px;display:flex;align-items:center;justify-content:center}.modal-header h2{margin:0;font-size:18px;font-weight:600}.close-btn{background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:4px;border-radius:4px;transition:background .2s}.close-btn:hover{background:#f0f0f0;color:var(--text-primary)}.modal-body{padding:24px;overflow-y:auto;flex:1}.modal-footer{padding:20px 24px;border-top:1px solid var(--border-subtle);background:#fafafa;border-bottom-left-radius:16px;border-bottom-right-radius:16px}.scenario-form .form-group label{font-size:13px;margin-bottom:8px}.scenario-form .form-group input,.scenario-form .form-group textarea{font-size:14px;padding:10px 12px;border:1px solid #e0e0e0;background:#fff}.scenario-form .form-group input:focus,.scenario-form .form-group textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 2px #10a37f1a}.generate-btn{width:100%;padding:12px;background:var(--accent-primary);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .2s}.generate-btn:hover{background:var(--accent-hover)}.generate-btn:disabled{opacity:.7;cursor:not-allowed}.generate-btn.loading{background:#ccc}.scenarios-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:20px}.scenario-card{background:#fff;border:1px solid var(--border-subtle);border-radius:12px;overflow:hidden;transition:box-shadow .2s;display:flex;flex-direction:column}.scenario-card:hover{box-shadow:var(--shadow-md);border-color:#d1d1d1}.scenario-content{padding:16px;flex:1}.scenario-text{font-size:14px;margin-bottom:16px}.message{margin-bottom:12px}.message .msg-label{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--text-secondary);display:block;margin-bottom:2px}.message p{margin:0;color:var(--text-primary);line-height:1.5}.message.ai p{color:var(--text-primary)}.scenario-preview-mini{background:#f9f9f9;border:1px solid #eee;border-radius:8px;padding:10px}.mini-ad{display:flex;align-items:center;gap:10px}.mini-logo{width:32px;height:32px;border-radius:6px;object-fit:cover;background:#ddd}.mini-ad-content{flex:1;overflow:hidden}.mini-brand{display:block;font-size:12px;font-weight:600;color:#333}.mini-headline{display:block;font-size:11px;color:#666;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.scenario-actions{background:#fbfbfb;padding:10px 16px;border-top:1px solid var(--border-subtle);display:flex;justify-content:space-between;align-items:center}.placement-badge{font-size:11px;font-weight:600;color:var(--text-secondary);background:#eee;padding:2px 8px;border-radius:4px}.action-btn-sm{background:#fff;border:1px solid var(--border-subtle);border-radius:6px;padding:4px 10px;font-size:12px;font-weight:500;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;gap:4px}.action-btn-sm:hover{background:#f0f0f0}.results-actions{display:flex;justify-content:space-between;width:100%}.right-actions{display:flex;gap:12px}.secondary-btn{background:#fff;border:1px solid var(--border-subtle);padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;color:var(--text-primary)}.scenario-carousel-container{flex:1;display:flex;flex-direction:row;align-items:center;justify-content:center;width:100%;height:100%;position:relative;gap:24px;padding:24px}.carousel-side-controls{display:flex;flex-direction:column;align-items:center;gap:12px;z-index:10;padding:16px 8px;background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:16px;border:1px solid var(--border-subtle);box-shadow:0 4px 16px #0000000f}.nav-btn{width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 4px #0000000d;color:var(--text-primary);transition:all .2s}.nav-btn:hover{background:#f5f5f5;transform:scale(1.05)}.scenario-indicator-vertical{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0}.scenario-current{font-size:20px;font-weight:700;color:var(--text-primary);line-height:1}.scenario-divider{font-size:12px;color:var(--text-secondary);opacity:.5}.scenario-total{font-size:14px;font-weight:500;color:var(--text-secondary);line-height:1}.carousel-viewport{flex:1;display:flex;justify-content:center;align-items:center;height:100%;overflow:visible}.empty-scenario-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);text-align:center}.empty-scenario-state h3{margin:0 0 8px;color:var(--text-primary)}.pro-feature-lock{position:relative;width:100%;height:100%;min-height:500px;display:flex;align-items:center;justify-content:center}.pro-lock-blur-bg{position:absolute;inset:0;filter:blur(8px);opacity:.3;pointer-events:none}.blur-content{padding:20px}.blur-placeholder{background:linear-gradient(135deg,#f5f5f5,#e0e0e0,#f5f5f5,#e0e0e0,#f5f5f5);background-size:400% 400%;animation:shimmer 3s ease-in-out infinite;height:400px;border-radius:12px}@keyframes shimmer{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.pro-lock-overlay{position:relative;z-index:10;display:flex;align-items:center;justify-content:center;padding:40px 20px}.pro-lock-content{background:#fff;border-radius:24px;padding:48px 32px;max-width:380px;width:100%;text-align:center;box-shadow:0 24px 48px -12px #00000026;animation:lockFadeIn .5s cubic-bezier(.16,1,.3,1);border:1px solid rgba(0,0,0,.04)}@keyframes lockFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.pro-lock-icon{width:80px;height:80px;margin:0 auto 24px;background:#eff6ff;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#3b82f6;border:1px solid #dbeafe;position:relative}.pro-lock-icon:after{content:none}.pro-lock-icon:after{content:"";position:absolute;inset:0;border-radius:50%;box-shadow:inset 0 2px 4px #ffffff4d}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 0 #3b82f600}50%{transform:scale(1.05);box-shadow:0 0 0 8px #3b82f61a}}.pro-lock-title{font-size:24px;font-weight:700;color:var(--text-primary);margin:0 0 12px;display:flex;align-items:center;justify-content:center;gap:8px}.pro-lock-description{font-size:14px;color:var(--text-secondary);line-height:1.6;margin:0 0 28px}.pro-lock-benefits{text-align:left;margin-bottom:32px}.pro-benefit-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;font-size:14px;color:var(--text-primary)}.benefit-check{width:20px;height:20px;background:#eff6ff;color:#3b82f6;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:none}.pro-upgrade-btn{width:100%;padding:12px 24px;background:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s;box-shadow:0 2px 4px #3b82f633}.pro-upgrade-btn:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 8px #3b82f64d}.pro-upgrade-btn:active{transform:translateY(0)}.pro-lock-subtitle{font-size:12px;color:var(--text-secondary);margin:16px 0 0}