:root{--primary: #06c755;--primary-light: #e6f9ed;--primary-dark: #05a647;--secondary: #6366f1;--bg-app: #f1f5f9;--card-bg: rgba(255, 255, 255, .85);--glass: rgba(255, 255, 255, .7);--text-main: #0f172a;--text-muted: #64748b;--shadow-sm: 0 4px 12px rgba(0, 0, 0, .05);--shadow-md: 0 12px 30px rgba(0, 0, 0, .08);--shadow-lg: 0 20px 50px rgba(0, 0, 0, .12);--border: 1px solid rgba(255, 255, 255, .3);--radius-lg: 24px;--radius-md: 16px;--radius-pill: 50px}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}body{font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-app);background-image:radial-gradient(at 0% 0%,rgba(6,199,85,.05) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(99,102,241,.05) 0px,transparent 50%);color:var(--text-main);line-height:1.5;min-height:100vh}.app{max-width:1000px;margin:0 auto;padding:0 20px 120px}.app-header{padding:60px 0 40px;text-align:center;animation:fadeInDown .8s ease-out}.app-header h1{font-size:42px;font-weight:700;letter-spacing:-1px;background:linear-gradient(135deg,#06c755,#05a647);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}.app-header p{color:var(--text-muted);font-size:18px;font-weight:400}.steps{display:flex;justify-content:center;align-items:center;gap:12px;margin-bottom:40px;padding:8px;background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:fit-content;margin-left:auto;margin-right:auto;border-radius:var(--radius-pill);border:var(--border);box-shadow:var(--shadow-sm)}.step{padding:10px 24px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;color:var(--text-muted);transition:all .4s cubic-bezier(.175,.885,.32,1.275)}.step.active{background:var(--primary);color:#fff;box-shadow:0 10px 20px #06c75533;transform:translateY(-2px)}.step-arrow{color:#cbd5e1;font-size:18px}.onboarding-guide{margin-top:40px;animation:fadeIn 1s ease-out}.guide-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-top:24px}.guide-item{text-align:center;padding:32px 20px}.guide-num{width:32px;height:32px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-weight:700;box-shadow:0 4px 10px #06c7554d}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-md);margin-bottom:32px;transition:transform .3s ease,box-shadow .3s ease}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.app-content{animation:fadeInUp .8s ease-out}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border:none;padding:18px 36px;border-radius:var(--radius-md);font-weight:700;font-size:17px;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 10px 25px #06c75540;display:flex;align-items:center;justify-content:center;gap:10px}.btn-primary:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 15px 35px #06c75559}.btn-primary:active{transform:translateY(0) scale(.98)}.btn-secondary{background:#fff;color:var(--text-main);border:1px solid #e2e8f0;padding:18px 36px;border-radius:var(--radius-md);font-weight:600;font-size:16px;cursor:pointer;transition:all .2s}.btn-secondary:hover{background:#f8fafc;border-color:#cbd5e1;transform:translateY(-2px)}.upload-zone{border:2px dashed rgba(6,199,85,.2);background:#06c75505;border-radius:var(--radius-lg);padding:80px 40px;text-align:center;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex;flex-direction:column;align-items:center}.upload-zone:hover,.upload-zone.dragging{border-color:var(--primary);background:var(--primary-light);transform:scale(1.02)}.upload-icon-svg{width:64px;height:64px;color:var(--primary);margin-bottom:24px;stroke-width:1.5}.upload-subtitle{color:var(--text-muted);font-size:16px;margin-top:8px}.upload-description{display:block;margin-top:16px;font-size:14px;color:#94a3b8}.section-title{font-size:20px;font-weight:700;margin-bottom:24px;color:var(--text-main);letter-spacing:-.5px}.filter-presets{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}.preset-btn{background:#fff;border:1px solid #e2e8f0;padding:8px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .2s}.preset-btn:hover{border-color:var(--primary);color:var(--primary)}.preset-btn.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary);box-shadow:0 4px 10px #06c7551a}.filter-range{display:flex;align-items:center;gap:20px;flex-wrap:wrap}@media (max-width: 600px){.filter-range{flex-direction:column;align-items:flex-start;gap:12px}.range-separator{display:none}.filter-input-group{width:100%}}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.summary-item{background:#00000005;padding:16px;border-radius:var(--radius-md);text-align:center}.summary-label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:4px}.summary-value{display:block;font-weight:700;font-size:16px;color:var(--primary)}@media (max-width: 600px){.summary-grid{grid-template-columns:1fr}}.filter-input-group{display:flex;align-items:center;gap:12px}.filter-input-group label{font-weight:600;font-size:14px;color:var(--text-muted)}.identity-selection-area{background:#00000005;padding:24px;border-radius:var(--radius-md);border:1px solid rgba(0,0,0,.05)}.identity-label{display:block;font-weight:700;margin-bottom:12px;color:var(--text-main)}.premium-select{width:100%;max-width:400px;margin-bottom:12px}.identity-hint{font-size:13px;color:var(--text-muted);font-style:italic}.action-row{display:flex;justify-content:flex-end;gap:16px;margin-top:40px}@media (max-width: 600px){.action-row{flex-direction:column-reverse}}select,input{font-family:inherit;font-size:16px;padding:14px 20px;border-radius:var(--radius-md);border:1.5px solid #e2e8f0;background:#fff;transition:all .2s;outline:none}select:focus,input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.sticky-action-bar{position:fixed;bottom:24px;left:50%;transform:translate(-50%);width:calc(100% - 40px);max-width:600px;background:#fffc;backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);padding:16px 24px;border-radius:var(--radius-pill);display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.5);z-index:1000;animation:slideInUp 1s cubic-bezier(.175,.885,.32,1.275)}@keyframes slideInUp{0%{transform:translate(-50%,100px);opacity:0}to{transform:translate(-50%);opacity:1}}.format-switch{display:flex;background:#0000000a;padding:6px;border-radius:var(--radius-pill);margin:0 12px}.format-btn{border:none;background:transparent;padding:10px 24px;border-radius:var(--radius-pill);cursor:pointer;font-size:15px;font-weight:600;color:var(--text-muted);transition:all .3s}.format-btn.active{background:#fff;color:var(--primary);box-shadow:0 4px 10px #0000000d}.chat-preview-wrapper{margin:0 auto;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(0,0,0,.05);transition:all .5s cubic-bezier(.175,.885,.32,1.275);background:#fff;position:relative}.chat-preview-wrapper.mobile{width:375px;aspect-ratio:9 / 16}.chat-preview-wrapper.tablet{width:600px;aspect-ratio:156 / 208}@media (max-width: 600px){.chat-preview-wrapper.mobile,.chat-preview-wrapper.tablet{width:100%;height:auto}}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#fffc;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .3s}.spinner{width:50px;height:50px;border:5px solid var(--primary-light);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}.preview-container-scroll{padding-bottom:200px;overflow:visible;display:flex;justify-content:center}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 600px){.app{padding:0 16px 140px}.app-header h1{font-size:32px}.app-header p{font-size:16px}.steps{gap:6px}.step{padding:8px 16px;font-size:13px}.card{padding:24px;border-radius:20px}.sticky-action-bar{bottom:16px;width:calc(100% - 24px);padding:12px 16px}.btn-primary,.btn-secondary{padding:14px 24px;font-size:15px}.format-btn{padding:8px 16px;font-size:13px}}.line-browser-banner{background:linear-gradient(135deg,#fef2f2,#fee2e2);color:#991b1b;border-bottom:1px solid #fecaca;padding:14px 20px;text-align:center;font-size:14px;line-height:1.6;margin-bottom:32px}.error-banner{background:#fff1f2;color:#e11d48;padding:16px;border-radius:var(--radius-md);margin-bottom:24px;border:1px solid #fecdd3;font-weight:500;animation:shake .5s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}