:root{--glass-bg: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .12);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .3);--glass-blur: blur(20px);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .4);--accent-blue: #3b82f6;--accent-purple: #8b5cf6;--accent-cyan: #06b6d4;--accent-green: #10b981;--flashlight-color: #f59e0b;--pro-color: #3b82f6;--ultra-color: #8b5cf6;--gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,#0f0f1a,#1a1a2e,#16213e);min-height:100vh;color:var(--text-primary);overflow-x:hidden}#root{min-height:100vh}.bg-orbs{position:fixed;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:0;pointer-events:none}.bg-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.3;animation:float 20s ease-in-out infinite}.bg-orb:nth-child(1){width:600px;height:600px;background:var(--gradient-1);top:-200px;left:-100px;animation-delay:0s}.bg-orb:nth-child(2){width:500px;height:500px;background:var(--gradient-2);top:50%;right:-150px;animation-delay:-7s}.bg-orb:nth-child(3){width:400px;height:400px;background:var(--gradient-3);bottom:-100px;left:30%;animation-delay:-14s}@keyframes float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.95)}}.glass{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:20px;box-shadow:var(--glass-shadow)}.glass-subtle{background:#ffffff0a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.06);border-radius:16px}.app{position:relative;z-index:1;min-height:100vh;height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-header{padding:16px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:20;background:#0f0f1ad9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.app-logo{display:flex;align-items:center;gap:14px}.logo-icon{width:44px;height:44px;background:var(--gradient-1);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 4px 15px #667eea66}.logo-text{font-size:22px;font-weight:700;background:linear-gradient(135deg,#fff,#fffc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.logo-badge{font-size:10px;font-weight:600;padding:3px 8px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:6px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.header-actions{display:flex;align-items:center;gap:12px}.free-badge{display:flex;align-items:center;gap:6px;padding:8px 16px;background:#10b98126;border:1px solid rgba(16,185,129,.3);border-radius:10px;color:var(--accent-green);font-size:13px;font-weight:600}.settings-btn{width:40px;height:40px;border-radius:10px;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.settings-btn:hover{background:#ffffff1f;color:var(--text-primary)}.main-content{flex:1;display:flex;flex-direction:column;max-width:900px;width:100%;margin:0 auto;padding:40px 24px;overflow-y:auto}.hero-section{text-align:center;margin-bottom:40px}.hero-title{font-size:42px;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,#fff,#ffffffb3);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}.hero-subtitle{font-size:17px;color:var(--text-secondary);max-width:500px;margin:0 auto;line-height:1.6}.mode-selector{display:flex;gap:12px;margin-bottom:28px}.mode-card{flex:1;padding:20px;border-radius:16px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:2px solid transparent;cursor:pointer;transition:all .3s ease;text-align:center;position:relative;overflow:hidden}.mode-card:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:14px;padding:2px;background:linear-gradient(135deg,transparent,transparent);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;transition:background .3s ease}.mode-card:hover{background:#ffffff1a;transform:translateY(-2px)}.mode-card.active.flashlight{border-color:var(--flashlight-color);background:#f59e0b1a;box-shadow:0 0 30px #f59e0b26}.mode-card.active.pro{border-color:var(--pro-color);background:#3b82f61a;box-shadow:0 0 30px #3b82f626}.mode-card.active.ultra{border-color:var(--ultra-color);background:#8b5cf61a;box-shadow:0 0 30px #8b5cf626}.mode-icon{font-size:28px;margin-bottom:8px}.mode-name{font-size:15px;font-weight:600;margin-bottom:4px;color:var(--text-primary)}.mode-desc{font-size:12px;color:var(--text-muted)}.mode-tag{display:inline-block;font-size:10px;font-weight:600;padding:2px 8px;border-radius:4px;margin-top:8px;text-transform:uppercase;letter-spacing:.5px}.mode-card.flashlight .mode-tag{background:#f59e0b33;color:var(--flashlight-color)}.mode-card.pro .mode-tag{background:#3b82f633;color:var(--pro-color)}.mode-card.ultra .mode-tag{background:#8b5cf633;color:var(--ultra-color)}.search-container{margin-bottom:32px}.search-box{display:flex;align-items:center;padding:8px;border-radius:20px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);transition:all .3s ease}.search-box:focus-within{border-color:var(--accent-blue);box-shadow:0 0 30px #3b82f626}.search-icon{padding:12px 16px;color:var(--text-muted);display:flex;align-items:center}.search-input{flex:1;background:transparent;border:none;outline:none;font-size:16px;color:var(--text-primary);padding:12px 0;font-family:inherit;min-width:0}.search-input::placeholder{color:var(--text-muted)}.search-btn{padding:12px 28px;background:var(--gradient-1);border:none;border-radius:14px;color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:8px;white-space:nowrap}.search-btn:hover{transform:scale(1.02);box-shadow:0 4px 20px #667eea66}.search-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.progress-section{margin-bottom:32px}.progress-card{padding:24px;border-radius:16px;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border)}.progress-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.progress-title{font-size:15px;font-weight:600;display:flex;align-items:center;gap:10px}.progress-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent-blue);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-time{font-size:13px;color:var(--text-muted);font-variant-numeric:tabular-nums}.progress-bar-container{height:4px;background:#ffffff14;border-radius:2px;margin-bottom:16px;overflow:hidden}.progress-bar{height:100%;border-radius:2px;background:var(--gradient-1);transition:width .3s ease;position:relative}.progress-bar:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-steps{display:flex;flex-direction:column;gap:8px}.progress-step{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-secondary);padding:6px 0}.step-dot{width:8px;height:8px;border-radius:50%;background:#ffffff1a;flex-shrink:0;transition:all .3s ease}.step-dot.active{background:var(--accent-blue);box-shadow:0 0 10px var(--accent-blue)}.step-dot.complete{background:var(--accent-green)}.step-text.active{color:var(--text-primary);font-weight:500}.step-text.complete{color:var(--accent-green)}.results-section{animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.results-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.results-badge{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:10px;font-size:14px;font-weight:600}.results-badge.flashlight{background:#f59e0b26;color:var(--flashlight-color);border:1px solid rgba(245,158,11,.3)}.results-badge.pro{background:#3b82f626;color:var(--pro-color);border:1px solid rgba(59,130,246,.3)}.results-badge.ultra{background:#8b5cf626;color:var(--ultra-color);border:1px solid rgba(139,92,246,.3)}.results-meta{font-size:13px;color:var(--text-muted)}.results-card{padding:32px;border-radius:20px;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);margin-bottom:24px;overflow:hidden}.results-content{font-size:15px;line-height:1.8;color:var(--text-secondary)}.results-content h1,.results-content h2,.results-content h3{color:var(--text-primary);margin-top:24px;margin-bottom:12px}.results-content h1{font-size:24px}.results-content h2{font-size:20px}.results-content h3{font-size:17px}.results-content p{margin-bottom:12px}.results-content ul,.results-content ol{margin-bottom:12px;padding-left:24px}.results-content li{margin-bottom:6px}.results-content code{background:#ffffff14;padding:2px 6px;border-radius:4px;font-size:13px;font-family:SF Mono,Monaco,monospace}.results-content pre{background:#0000004d;border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:16px;overflow-x:auto;margin-bottom:16px}.results-content pre code{background:transparent;padding:0}.results-content table{width:100%;border-collapse:collapse;margin-bottom:16px}.results-content th,.results-content td{padding:10px 14px;text-align:left;border-bottom:1px solid rgba(255,255,255,.06)}.results-content th{color:var(--text-primary);font-weight:600;background:#ffffff0a}.results-content blockquote{border-left:3px solid var(--accent-blue);padding-left:16px;margin-bottom:12px;color:var(--text-secondary);font-style:italic}.results-content a{color:var(--accent-blue);text-decoration:none;display:inline-flex;align-items:center;gap:4px;transition:all .15s}.results-content a:hover{text-decoration:underline;color:#60a5fa}.markdown-link{color:var(--accent-blue)!important;text-decoration:none;display:inline-flex;align-items:center;gap:4px;transition:all .15s}.markdown-link:hover{text-decoration:underline}.markdown-image-wrapper{display:flex;flex-direction:column;align-items:center;margin:16px 0}.markdown-image{max-width:100%;border-radius:12px;border:1px solid rgba(255,255,255,.08)}.markdown-image-caption{font-size:12px;color:var(--text-muted);margin-top:6px;font-style:italic}.table-wrapper{overflow-x:auto;margin:16px 0;border-radius:12px;border:1px solid rgba(255,255,255,.06)}.results-content a:hover{text-decoration:underline}.citations-section{margin-top:24px;padding-top:24px;border-top:1px solid rgba(255,255,255,.06)}.citations-title{font-size:14px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;display:flex;align-items:center;gap:8px}.citations-list{display:flex;flex-direction:column;gap:8px}.citation-item{display:flex;align-items:flex-start;gap:10px;padding:10px 14px;border-radius:10px;background:#ffffff08;border:1px solid rgba(255,255,255,.04);font-size:13px}.citation-num{font-weight:600;color:var(--accent-blue);flex-shrink:0}.citation-text{color:var(--text-secondary)}.citation-url{color:var(--accent-blue);text-decoration:none;word-break:break-all}.citation-url:hover{text-decoration:underline}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 20px}.empty-icon{font-size:64px;margin-bottom:24px;opacity:.6}.empty-title{font-size:20px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.empty-desc{font-size:14px;color:var(--text-muted);max-width:400px;line-height:1.6}.feature-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:24px}.feature-chip{padding:8px 16px;border-radius:10px;background:var(--glass-bg);border:1px solid var(--glass-border);font-size:13px;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.feature-chip:hover{background:#ffffff1a;color:var(--text-primary);transform:translateY(-1px)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease}.modal{width:90%;max-width:520px;padding:32px;border-radius:24px;background:#141423f2;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);box-shadow:0 25px 60px #00000080}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.modal-title{font-size:20px;font-weight:700}.modal-close{width:32px;height:32px;border-radius:8px;background:#ffffff0f;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.modal-close:hover{background:#ffffff1a;color:var(--text-primary)}.settings-group{margin-bottom:24px}.settings-label{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.api-key-input{width:100%;padding:12px 16px;border-radius:12px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);color:var(--text-primary);font-size:14px;font-family:SF Mono,Monaco,monospace;outline:none;transition:all .2s}.api-key-input:focus{border-color:var(--accent-blue);background:#3b82f60a}.api-key-input::placeholder{color:var(--text-muted)}.provider-tabs{display:flex;gap:8px;margin-bottom:12px}.provider-tab{padding:8px 16px;border-radius:8px;background:#ffffff0a;border:1px solid rgba(255,255,255,.06);color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.provider-tab.active{background:#3b82f626;border-color:#3b82f64d;color:var(--accent-blue)}.save-btn{width:100%;padding:14px;border-radius:12px;background:var(--gradient-1);border:none;color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s}.save-btn:hover{transform:scale(1.01);box-shadow:0 4px 20px #667eea66}.history-toggle{position:fixed;left:20px;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:12px;background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .2s}.history-toggle:hover{background:#ffffff1f;color:var(--text-primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#fff3}@media (max-width: 768px){.app-header{padding:12px 16px}.hero-title{font-size:28px}.mode-selector{flex-direction:column}.main-content{padding:20px 12px}.search-box{flex-direction:column;padding:4px}.search-btn{width:100%;justify-content:center}.results-card{padding:20px}.logo-badge{display:none}.message.user{padding-left:40px}.sidebar{width:85%}.followup-container{padding:12px 0 16px}}.sidebar{position:fixed;left:0;top:0;bottom:0;width:280px;background:#0c0c16f7;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid var(--glass-border);z-index:50;display:flex;flex-direction:column;transform:translate(-100%);transition:transform .3s ease}.sidebar.open{transform:translate(0)}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:40}.sidebar-header{padding:16px;display:flex;gap:8px;border-bottom:1px solid rgba(255,255,255,.06)}.new-chat-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;border-radius:10px;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-primary);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}.new-chat-btn:hover{background:#ffffff1f}.sidebar-close{width:36px;height:36px;border-radius:8px;background:transparent;border:1px solid rgba(255,255,255,.06);color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.sidebar-close:hover{background:#ffffff0f;color:var(--text-primary)}.sidebar-list{flex:1;overflow-y:auto;padding:8px}.sidebar-empty{text-align:center;padding:40px 16px;color:var(--text-muted);font-size:13px}.sidebar-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;cursor:pointer;transition:all .15s;margin-bottom:2px}.sidebar-item:hover{background:#ffffff0f}.sidebar-item.active{background:#3b82f61a;border:1px solid rgba(59,130,246,.2)}.sidebar-item-icon{color:var(--text-muted);flex-shrink:0}.sidebar-item-text{flex:1;min-width:0}.sidebar-item-title{font-size:13px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-item-meta{font-size:11px;color:var(--text-muted);margin-top:2px}.sidebar-delete{opacity:0;width:24px;height:24px;border-radius:6px;background:transparent;border:none;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;flex-shrink:0}.sidebar-item:hover .sidebar-delete{opacity:1}.sidebar-delete:hover{background:#ef444426;color:#ef4444}.menu-btn{width:40px;height:40px;border-radius:10px;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.menu-btn:hover{background:#ffffff1f;color:var(--text-primary)}.app-header-left{display:flex;align-items:center;gap:12px}.conversation-view{display:flex;flex-direction:column;height:calc(100vh - 120px)}.conversation-header{text-align:center;padding:20px 0 12px;border-bottom:1px solid rgba(255,255,255,.04);margin-bottom:16px;flex-shrink:0}.conversation-title{font-size:18px;font-weight:600;color:var(--text-primary)}.conversation-meta{font-size:12px;color:var(--text-muted);margin-top:4px}.messages-container{flex:1;overflow-y:auto;padding:0 8px 16px;scroll-behavior:smooth}.message{display:flex;gap:12px;padding:16px 0;animation:fadeIn .3s ease;max-width:860px;margin:0 auto;width:100%}.message.user{padding-left:80px;justify-content:flex-end}.message.assistant{padding-right:0}.message-avatar{width:32px;height:32px;border-radius:10px;background:var(--glass-bg);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;align-self:flex-start}.message.assistant .message-avatar{background:var(--gradient-1)}.message-body{flex:1;min-width:0;max-width:780px}.user-text{padding:10px 16px;border-radius:14px 14px 4px;background:#3b82f626;border:1px solid rgba(59,130,246,.2);color:var(--text-primary);font-size:14px;line-height:1.6;display:inline-block;max-width:100%;word-break:break-word}.followup-container{padding:16px 0 20px;border-top:1px solid rgba(255,255,255,.04);flex-shrink:0;max-width:860px;margin:0 auto;width:100%}.followup-hint{text-align:center;font-size:11px;color:var(--text-muted);margin-top:8px}.mode-selector-mini{display:flex;gap:8px;margin-bottom:12px;justify-content:center}.mode-mini{padding:8px 16px;border-radius:10px;background:var(--glass-bg);border:1px solid var(--glass-border);font-size:13px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;white-space:nowrap}.mode-mini:hover{background:#ffffff1a;color:var(--text-primary)}.mode-mini.active.flashlight{background:#f59e0b26;border-color:#f59e0b66;color:var(--flashlight-color);box-shadow:0 0 15px #f59e0b1a}.mode-mini.active.pro{background:#3b82f626;border-color:#3b82f666;color:var(--pro-color);box-shadow:0 0 15px #3b82f61a}.mode-mini.active.ultra{background:#8b5cf626;border-color:#8b5cf666;color:var(--ultra-color);box-shadow:0 0 15px #8b5cf61a}