@tailwind base;@tailwind components;@tailwind utilities;*{margin:0;padding:0;box-sizing:border-box}body[data-theme=dark]{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #262626;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent: #818cf8;--accent-hover: #6366f1;--border: #333333;--shadow: 0 2px 10px rgba(0, 0, 0, .3);--message-user: #6366f1;--message-ai: #1a1a1a}:root{--bg-primary: #ffffff;--bg-secondary: #f7f7f8;--bg-tertiary: #ececf1;--text-primary: #1a1a1a;--text-secondary: #6b6b6b;--accent: #6366f1;--accent-hover: #4f46e5;--border: #e5e5e5;--shadow: 0 2px 10px rgba(0, 0, 0, .1);--message-user: #6366f1;--message-ai: #f7f7f8}.dark{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #262626;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent: #818cf8;--accent-hover: #6366f1;--border: #333333;--shadow: 0 2px 10px rgba(0, 0, 0, .3);--message-user: #6366f1;--message-ai: #1a1a1a}.app{width:100vw;height:100vh;background:var(--bg-primary);color:var(--text-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:background .3s,color .3s}.app-container{display:flex;height:100%}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px;transition:background .3s,border .3s}.sidebar-header{padding-bottom:5px;border-bottom:1px var(--border);margin-bottom:16px}.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;cursor:pointer;padding-left:10px;padding-top:10px}.logo-icon{color:var(--accent)}.new-chat-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;background:#9c9ef3;color:#fff;border:none;border-radius:12px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.new-chat-btn:hover{background:#7477f1}.sessions-list{flex:1;overflow-y:auto;margin-top:16px}.sessions-title{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;margin-bottom:8px;padding:0 8px}.session-item{display:flex;align-items:center;gap:10px;padding:12px;border-radius:10px;cursor:pointer;transition:background .2s;margin-bottom:4px}.session-item:hover,.session-item.active{background:var(--bg-tertiary)}.session-item span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px}.delete-btn{opacity:0;background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:6px;transition:opacity .2s,color .2s}.session-item:hover .delete-btn{opacity:1}.delete-btn:hover{color:#ef4444}.sidebar-footer{padding-top:16px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:12px}.footer-btn{display:flex;align-items:center;gap:10px;padding:10px;background:none;border:none;color:var(--text-primary);border-radius:10px;cursor:pointer;font-size:14px;transition:background .2s}.footer-btn:hover{background:var(--bg-tertiary)}.stream-toggle{display:flex;align-items:center;gap:10px;padding:10px;font-size:14px}.toggle{position:relative;width:44px;height:24px;background:var(--bg-tertiary);border:none;border-radius:12px;cursor:pointer;margin-left:auto}.toggle.active{background:var(--accent)}.toggle-thumb{position:absolute;top:2px;left:2px;width:20px;height:20px;background:#fff;border-radius:50%}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.header{display:flex;align-items:center;gap:16px;padding:16px 24px;border-bottom:1px var(--border)}.menu-btn{background:none;border:none;color:var(--text-primary);cursor:pointer;padding:8px;margin-left:auto;border-radius:8px;transition:background .2s}.menu-btn:hover{background:var(--bg-tertiary)}.header-title{flex:1;font-weight:600}.header-badge{display:flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-tertiary);border-radius:20px;font-size:12px;font-weight:500}.messages-container{flex:1;overflow-y:auto;padding:24px}.welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center}.welcome-icon{width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),#a855f7);border-radius:20px;color:#fff;margin-bottom:24px}.welcome h1{font-size:28px;font-weight:700;margin-bottom:8px}.welcome p{color:var(--text-secondary);margin-bottom:32px}.suggestions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:600px}.suggestion{padding:12px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;color:var(--text-primary);font-size:14px;cursor:pointer;transition:all .2s}.suggestion:hover{border-color:var(--accent);background:var(--bg-tertiary)}.messages{display:flex;flex-direction:column;gap:24px;max-width:800px;margin:0 auto}.message{display:flex;gap:16px}.avatar{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.message.user .avatar{background:var(--accent);color:#fff}.message.assistant .avatar{background:linear-gradient(135deg,#10b981,#059669);color:#fff}.message-content{flex:1;min-width:0}.message-role{font-size:13px;font-weight:600;margin-bottom:6px}.message-text{font-size:15px;line-height:1.7;white-space:pre-wrap;word-wrap:break-word}.cursor{color:var(--accent);font-weight:700}.input-container{padding:16px 24px 24px;background:var(--bg-primary)}.input-wrapper{display:flex;align-items:center;gap:12px;max-width:800px;margin:0 auto;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;transition:border-color .2s,box-shadow .2s}.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px #6366f11a}.input-wrapper input{flex:1;background:none;border:none;outline:none;font-size:15px;color:var(--text-primary)}.input-wrapper input::placeholder{color:var(--text-secondary)}.send-btn{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border:none;border-radius:10px;cursor:pointer;transition:background .2s}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{opacity:.5;cursor:not-allowed}.input-hint{text-align:center;font-size:12px;color:var(--text-secondary);margin-top:12px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100}.suggestions{flex-direction:column}}.error-message{padding:8px 12px;margin:8px 0;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#dc2626;font-size:12px;cursor:pointer;transition:all .2s}.error-message:hover{background:#fee2e2}body[data-theme=dark] .error-message{background:#1f1f1f;border-color:#dc2626;color:#f87171}.loading-icon{margin-left:8px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--bg-primary);border-radius:16px;padding:24px;max-width:400px;width:90%;box-shadow:var(--shadow)}.modal-content h3{margin-bottom:12px;font-size:18px;font-weight:600}.modal-content p{color:var(--text-secondary);margin-bottom:24px;line-height:1.5}.modal-actions{display:flex;gap:12px;justify-content:flex-end}.btn-secondary{padding:8px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);cursor:pointer;font-size:14px;transition:all .2s}.btn-secondary:hover{background:var(--bg-secondary)}.btn-danger{padding:8px 16px;background:#dc2626;border:1px solid #dc2626;border-radius:8px;color:#fff;cursor:pointer;font-size:14px;transition:all .2s}.btn-danger:hover{background:#b91c1c;border-color:#b91c1c}.file-upload-modal{position:fixed;inset:0;z-index:1000}.file-upload-overlay{position:absolute;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:20px}.file-upload-content{background:var(--bg-primary);border-radius:16px;max-width:500px;width:100%;max-height:80vh;overflow-y:auto;box-shadow:var(--shadow)}.file-upload-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.file-upload-header h3{font-size:18px;font-weight:600;margin:0}.close-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:6px;transition:all .2s}.close-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.file-upload-body{padding:24px}.drop-zone{border:2px dashed var(--border);border-radius:12px;padding:40px 20px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg-secondary)}.drop-zone:hover:not(.uploading){border-color:var(--accent);background:var(--bg-tertiary)}.drop-zone.active{border-color:var(--accent);background:var(--bg-tertiary);transform:scale(1.02)}.drop-zone.uploading{cursor:not-allowed;border-color:var(--accent)}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:12px}.drop-zone-content svg{color:var(--accent)}.drop-zone-content p{margin:0;color:var(--text-primary)}.file-types{font-size:12px;color:var(--text-secondary)!important}.upload-progress{display:flex;flex-direction:column;align-items:center;gap:16px}.loading-spinner{color:var(--accent);animation:spin 1s linear infinite}.progress-bar{width:200px;height:6px;background:var(--bg-tertiary);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);transition:width .3s ease}.upload-success{text-align:center;padding:20px}.success-icon{color:#10b981;margin-bottom:16px}.upload-success h4{margin-bottom:16px;color:var(--text-primary)}.upload-details{background:var(--bg-secondary);border-radius:8px;padding:16px;margin-bottom:20px;text-align:left}.upload-details p{margin:8px 0;display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-secondary)}.upload-error{text-align:center;padding:20px}.error-icon{color:#dc2626;margin-bottom:16px}.upload-error h4{margin-bottom:12px;color:var(--text-primary)}.upload-error p{color:var(--text-secondary);margin-bottom:20px;line-height:1.5}.upload-actions{display:flex;gap:12px;justify-content:center}.btn-primary{padding:8px 16px;background:var(--accent);border:1px solid var(--accent);border-radius:8px;color:#fff;cursor:pointer;font-size:14px;transition:all .2s}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.upload-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);cursor:pointer;font-size:14px;transition:all .2s}.upload-btn:hover{background:var(--bg-secondary);border-color:var(--accent)}.user-settings{display:flex}.avatar{padding-left:5px;padding-right:5px}.login_name{padding-left:10px;padding-right:5px;padding-top:8px}