*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{color:#0f172a;background:#fafbfd;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6;overflow-x:hidden}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}.gradient-text{background:linear-gradient(135deg,#4fa8ff,#65e0d2);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.app-layout{flex-direction:column;min-height:100vh;display:flex}.app-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:80px 48px 48px}@media (width<=768px){.app-main{padding:72px 16px 32px}}.app-header{z-index:1000;-webkit-backdrop-filter:blur(20px);background:#fafbfdd9;border-bottom:1px solid #4fa8ff14;justify-content:space-between;align-items:center;padding:14px 48px;display:flex;position:fixed;top:0;left:0;right:0}.header-left{align-items:center;gap:12px;display:flex}.header-logo{color:#0f172a;letter-spacing:-.3px;align-items:center;gap:10px;font-size:18px;font-weight:700;text-decoration:none;display:flex}.header-logo-icon{border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;display:flex;overflow:hidden}.header-logo-icon img{object-fit:contain;width:100%;height:100%}.header-nav{align-items:center;gap:8px;display:flex}.header-nav a,.header-nav button{color:#64748b;background:0 0;border:none;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .2s}.header-nav a:hover,.header-nav button:hover{color:#4fa8ff;background:#4fa8ff0a}.header-nav a.active{color:#4fa8ff;background:#4fa8ff14}.header-user{align-items:center;gap:12px;display:flex}.header-user-name{color:#64748b;font-size:13px;font-weight:500}.header-user-btn{color:#64748b;background:0 0;border:1px solid #4fa8ff1f;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .2s}.header-user-btn:hover{color:#ef4444;border-color:#ef44444d}@media (width<=768px){.app-header{padding:12px 16px}.header-nav{gap:4px}.header-nav a,.header-nav button{padding:6px 10px;font-size:12px}.header-user-name{display:none}}.btn{cursor:pointer;border:none;border-radius:10px;align-items:center;gap:8px;padding:10px 24px;font-size:14px;font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex}.btn-primary{color:#fff;background:linear-gradient(135deg,#4fa8ff,#65e0d2);box-shadow:0 2px 10px #4fa8ff33}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 20px #4fa8ff4d}.btn-secondary{color:#0f172a;background:#fff;border:1px solid #4fa8ff1f}.btn-secondary:hover{background:#4fa8ff08;border-color:#4fa8ff40}.btn-danger{color:#ef4444;background:#ef44440f;border:1px solid #ef444426}.btn-danger:hover{background:#ef44441a}.btn-sm{border-radius:8px;padding:6px 14px;font-size:13px}.btn-lg{border-radius:12px;padding:14px 32px;font-size:15px}.glass-card{-webkit-backdrop-filter:blur(12px);background:#ffffffbf;border:1px solid #94a3b829;border-radius:24px;padding:28px;transition:all .3s;box-shadow:0 20px 60px #0f172a0a}.glass-card:hover{border-color:#4fa8ff2e;box-shadow:0 24px 80px #4fa8ff14}.glass-card-static{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffbf;border:1px solid #94a3b829;border-radius:24px;padding:28px}.page-title{letter-spacing:-.3px;margin-bottom:8px;font-size:clamp(24px,2.5vw,32px);font-weight:700}.page-subtitle{color:#64748b;margin-bottom:32px;font-size:15px}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:32px;display:flex}.form-group{margin-bottom:20px}.form-label{color:#475569;margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-input,.form-textarea,.form-select{color:#0f172a;background:#fff;border:1px solid #94a3b833;border-radius:12px;outline:none;width:100%;padding:12px 16px;font-size:14px;transition:all .2s}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:#4fa8ff;box-shadow:0 0 0 3px #4fa8ff14}.form-textarea{resize:vertical;min-height:80px;line-height:1.5}.form-error{color:#ef4444;margin-top:4px;font-size:13px}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=768px){.form-row{grid-template-columns:1fr}}.auth-page{justify-content:center;align-items:center;min-height:100vh;padding:48px 16px;display:flex;position:relative;overflow:hidden}.auth-bg-glow{pointer-events:none;background:radial-gradient(circle,#4fa8ff0f,#0000 70%);border-radius:50%;width:500px;height:500px;position:absolute;top:-200px;right:-200px}.auth-card{z-index:1;width:100%;max-width:420px;position:relative}.auth-logo{color:#0f172a;justify-content:center;align-items:center;gap:10px;margin-bottom:32px;font-size:22px;font-weight:700;display:flex}.auth-logo img{object-fit:contain;width:40px;height:40px}.auth-title{text-align:center;margin-bottom:4px;font-size:22px;font-weight:700}.auth-subtitle{color:#64748b;text-align:center;margin-bottom:28px;font-size:14px}.auth-footer{text-align:center;color:#64748b;margin-top:20px;font-size:14px}.auth-footer a{color:#4fa8ff;font-weight:600}.auth-error{color:#dc2626;background:#ef44440f;border:1px solid #ef44441f;border-radius:12px;margin-bottom:20px;padding:12px 16px;font-size:14px}.stats-grid{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:40px;display:grid}.stat-card{text-align:center;padding:32px 24px}.stat-number{background:linear-gradient(135deg,#4fa8ff,#65e0d2);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:36px;font-weight:800;line-height:1}.stat-label{color:#64748b;font-size:14px;font-weight:500}@media (width<=768px){.stats-grid{grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{padding:20px 12px}.stat-number{font-size:24px}}.persona-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;display:grid}.persona-card{cursor:pointer;flex-direction:column;display:flex}.persona-card-avatar{color:#fff;background:linear-gradient(135deg,#4fa8ff,#65e0d2);border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;margin-bottom:14px;font-size:20px;font-weight:700;display:flex}.persona-card-name{color:#0f172a;margin-bottom:4px;font-size:16px;font-weight:600}.persona-card-desc{color:#64748b;flex:1;margin-bottom:12px;font-size:13px;line-height:1.5}.persona-card-meta{color:#94a3b8;gap:8px;font-size:12px;display:flex}.persona-card-actions{border-top:1px solid #94a3b81a;gap:8px;margin-top:12px;padding-top:12px;display:flex}.persona-empty{text-align:center;color:#64748b;padding:60px 20px}.persona-empty-icon{margin-bottom:16px;font-size:48px}.persona-empty h3{color:#0f172a;margin-bottom:8px;font-size:18px}.tag{color:#4fa8ff;background:#4fa8ff14;border-radius:20px;padding:2px 10px;font-size:11px;font-weight:600;display:inline-block}.chat-layout{grid-template-columns:300px 1fr;gap:0;min-height:calc(100vh - 140px);margin:-80px -48px -48px;display:grid}.chat-sidebar{background:#ffffff80;border-right:1px solid #94a3b81a;flex-direction:column;gap:8px;padding:24px 16px;display:flex;overflow-y:auto}.chat-sidebar-title{text-transform:uppercase;letter-spacing:.5px;color:#94a3b8;margin-bottom:12px;padding:0 12px;font-size:12px;font-weight:700}.chat-conv-item{color:#64748b;cursor:pointer;text-align:left;background:0 0;border:none;border-radius:12px;width:100%;padding:10px 14px;font-size:13px;transition:all .15s}.chat-conv-item:hover{color:#0f172a;background:#4fa8ff0a}.chat-conv-item.active{color:#4fa8ff;background:#4fa8ff14;font-weight:600}.chat-main{flex-direction:column;height:calc(100vh - 80px);display:flex}.chat-header{border-bottom:1px solid #94a3b81a;align-items:center;gap:12px;padding:16px 24px;display:flex}.chat-header-persona{font-size:15px;font-weight:600}.chat-header-status{color:#65e0d2;align-items:center;gap:4px;font-size:12px;display:flex}.chat-header-status:before{content:"";background:#65e0d2;border-radius:50%;width:6px;height:6px;display:inline-block}.chat-messages{flex-direction:column;flex:1;gap:16px;padding:24px;display:flex;overflow-y:auto}.chat-msg{border-radius:18px;max-width:75%;padding:14px 18px;font-size:14px;line-height:1.6;animation:.2s msg-in}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chat-msg.user{color:#fff;background:linear-gradient(135deg,#4fa8ff,#65e0d2);border-bottom-right-radius:4px;align-self:flex-end}.chat-msg.assistant{color:#0f172a;background:#fff;border:1px solid #94a3b81f;border-bottom-left-radius:4px;align-self:flex-start;box-shadow:0 1px 4px #00000005}.chat-msg-label{color:#94a3b8;margin-bottom:4px;font-size:11px;font-weight:600}.chat-input-area{background:#fff;border-top:1px solid #94a3b81a;gap:12px;padding:16px 24px;display:flex}.chat-input{border:1px solid #94a3b833;border-radius:14px;outline:none;flex:1;padding:12px 18px;font-size:14px;transition:border-color .2s}.chat-input:focus{border-color:#4fa8ff;box-shadow:0 0 0 3px #4fa8ff14}.chat-send-btn{color:#fff;background:linear-gradient(135deg,#4fa8ff,#65e0d2);border:none;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:18px;transition:all .2s;display:flex}.chat-send-btn:hover{transform:scale(1.05);box-shadow:0 4px 16px #4fa8ff4d}.chat-send-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.chat-welcome{color:#94a3b8;text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:40px;display:flex}.chat-welcome-icon{opacity:.5;margin-bottom:20px;font-size:56px}.chat-welcome h3{color:#64748b;margin-bottom:8px;font-size:18px}.chat-welcome p{max-width:360px;font-size:14px;line-height:1.6}.chat-empty{color:#94a3b8;flex:1;justify-content:center;align-items:center;font-size:14px;display:flex}@media (width<=768px){.chat-layout{grid-template-columns:1fr;min-height:auto;margin:0}.chat-main{height:calc(100vh - 160px)}.chat-sidebar{display:none}.chat-messages{padding:16px}.chat-msg{max-width:90%}}.spinner{border:2px solid #4fa8ff26;border-top-color:#4fa8ff;border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{justify-content:center;align-items:center;min-height:60vh;display:flex}.persona-form{max-width:720px;margin:0 auto}.persona-form-section{margin-bottom:36px}.persona-form-section-title{color:#0f172a;border-bottom:1px solid #94a3b81a;margin-bottom:16px;padding-bottom:8px;font-size:16px;font-weight:600}.persona-form-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.conv-list{flex-direction:column;gap:8px;display:flex}.conv-list-item{cursor:pointer;background:#fff;border:1px solid #94a3b814;border-radius:16px;justify-content:space-between;align-items:center;padding:16px 20px;transition:all .15s;display:flex}.conv-list-item:hover{border-color:#4fa8ff26;box-shadow:0 4px 16px #4fa8ff0a}.conv-list-title{color:#0f172a;margin-bottom:2px;font-size:14px;font-weight:600}.conv-list-meta{color:#94a3b8;font-size:12px}.conv-list-right{text-align:right;flex-shrink:0}.conv-list-persona{color:#4fa8ff;font-size:12px;font-weight:500}