@tailwind base;@tailwind components;@tailwind utilities;*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0d0d0d;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--bg-hover: #313131;--accent-primary: #5e6ad2;--accent-hover: #4f5bc4;--text-primary: #ececec;--text-secondary: #b3b3b3;--text-tertiary: #8e8e8e;--border-color: #2f2f2f;--message-user-bg: #2f2f2f;--message-ai-bg: transparent}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f9f9f9;--bg-tertiary: #f0f0f0;--bg-hover: #e8e8e8;--accent-primary: #5e6ad2;--accent-hover: #4f5bc4;--text-primary: #0d0d0d;--text-secondary: #565656;--text-tertiary: #8e8e8e;--border-color: #e0e0e0;--message-user-bg: #f0f0f0;--message-ai-bg: transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#0f172a,#1e3a8a);position:relative}.auth-container:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 15% 50%,rgba(29,78,216,.15) 0%,transparent 50%),radial-gradient(circle at 85% 30%,rgba(147,51,234,.1) 0%,transparent 50%);animation:pulse 10s ease-in-out infinite;pointer-events:none}@keyframes pulse{0%,to{opacity:.8}50%{opacity:1;transform:scale(1.05)}}.auth-card{background:#1e293bb3;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:24px;border:1px solid rgba(59,130,246,.3);box-shadow:0 25px 50px -12px #000000b3;padding:48px;width:100%;max-width:480px;animation:slideUp .5s ease-out;position:relative;z-index:1}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.auth-header h1{font-size:32px;font-weight:800;color:#fff;margin-bottom:8px;text-shadow:0 0 20px rgba(59,130,246,.5)}.auth-header p{color:#94a3b8;font-size:15px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#cbd5e1;font-weight:500;font-size:14px}.form-group input{width:100%;padding:12px 16px;background:#1e293bcc;border:1px solid #334155;border-radius:12px;color:#fff;font-size:15px;transition:all .3s ease}.form-group input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.remember-me-container{display:flex;align-items:center;margin-bottom:24px}.remember-me-label{display:flex;align-items:center;cursor:pointer;-webkit-user-select:none;user-select:none;position:relative;gap:10px}.remember-me-checkbox{-moz-appearance:none;appearance:none;-webkit-appearance:none;height:20px;width:20px;background-color:#1e293bcc;border:1px solid #334155;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;cursor:pointer}.remember-me-checkbox:checked{background-color:var(--accent-primary);border-color:var(--accent-primary)}.remember-me-checkbox:checked:after{content:"✓";color:#fff;font-size:14px;font-weight:700}.remember-me-checkbox:hover{border-color:var(--accent-hover)}.remember-me-text{color:var(--text-secondary);font-size:14px;font-weight:500}.btn{width:100%;padding:14px;border:none;border-radius:12px;font-weight:600;font-size:15px;cursor:pointer;transition:all .3s ease}.btn-primary{background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;box-shadow:0 4px 15px #3b82f666}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #3b82f680}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.alert{padding:12px 16px;border-radius:12px;margin-bottom:20px;font-size:14px}.alert-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.auth-link{text-align:center;margin-top:24px;color:#94a3b8;font-size:14px}.auth-link a{color:#60a5fa;text-decoration:none;font-weight:600}.chat-app{display:flex;height:100vh;background:var(--bg-primary)}.sidebar{width:260px;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;transform:translate(0);transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1);will-change:transform}.sidebar.collapsed{transform:translate(-100%);width:0;border-right:none;overflow:hidden}.sidebar-header{padding:16px;border-bottom:1px solid var(--border-color);opacity:1;transition:opacity .2s ease}.sidebar.collapsed .sidebar-header{opacity:0}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:8px 12px;color:var(--text-primary);font-weight:600;font-size:15px}.brand-logo{width:28px;height:28px;background:linear-gradient(135deg,#5e6ad2,#7c8aed);border-radius:6px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:11px;color:#fff}.new-chat-button{width:100%;padding:10px 12px;background:transparent;border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s cubic-bezier(.4,0,.2,1);margin-top:12px;transform:translateZ(0);will-change:background,transform}.new-chat-button:hover{background:var(--bg-hover);transform:translateY(-1px) translateZ(0)}.sidebar-content{flex:1;overflow-y:auto;padding:12px}.sidebar-content::-webkit-scrollbar{width:6px}.sidebar-content::-webkit-scrollbar-track{background:transparent}.sidebar-content::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:3px}.chat-list-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-tertiary);margin:16px 0 8px 8px}.chat-item{padding:10px 12px;border-radius:8px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);color:var(--text-secondary);font-size:14px;margin-bottom:2px;display:flex;align-items:center;gap:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transform:translateZ(0);will-change:background,transform;background:transparent}.chat-item:hover,.chat-item.active{background:var(--bg-tertiary);color:var(--text-primary)}.sidebar-footer{padding:12px;border-top:1px solid var(--border-color)}.sidebar-button{width:100%;padding:10px 12px;background:transparent;border:none;border-radius:8px;color:var(--text-secondary);font-size:14px;cursor:pointer;display:flex;align-items:center;gap:10px;transition:all .15s ease;margin-bottom:4px}.sidebar-button:hover{background:var(--bg-hover);color:var(--text-primary)}.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.chat-header{height:56px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 20px;background:var(--bg-primary)}.header-toggle{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:8px;border-radius:6px;transition:all .15s ease}.header-toggle:hover{background:var(--bg-hover);color:var(--text-primary)}.status-badge{display:flex;align-items:center;gap:6px;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:500}.status-badge.online{background:#22c55e1a;color:#22c55e}.status-badge.offline{background:#ef44441a;color:#ef4444}.messages-container{flex:1;overflow-y:auto;padding:24px 20px}.messages-container::-webkit-scrollbar{width:8px}.messages-container::-webkit-scrollbar-track{background:transparent}.messages-container::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}.empty-state{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:48px 24px}.empty-state-title{font-size:32px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.empty-state-subtitle{font-size:16px;color:var(--text-secondary);max-width:500px}.message-wrapper{width:100%;padding:16px 0}.message-wrapper.user{display:flex;justify-content:flex-end}.message-wrapper.assistant{border-bottom:1px solid var(--border-color)}.message-content-wrapper{max-width:800px;margin:0 auto;width:100%;padding:0 20px}.message-bubble{display:inline-block;padding:12px 16px;border-radius:18px;background:var(--message-user-bg);color:var(--text-primary);line-height:1.6;font-size:15px;white-space:pre-wrap;word-wrap:break-word;max-width:70%;animation:fadeInUp .3s cubic-bezier(.4,0,.2,1)}.message-wrapper.assistant .message-bubble{background:var(--message-ai-bg);max-width:100%;padding:0;border-radius:0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message-loading{display:flex;gap:6px;padding:12px 16px}.loading-dot{width:8px;height:8px;border-radius:50%;background:var(--text-tertiary);animation:bounce 1.4s infinite ease-in-out}.loading-dot:nth-child(1){animation-delay:-.32s}.loading-dot:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0);opacity:.5}40%{transform:scale(1);opacity:1}}.image-preview{margin-top:8px;border-radius:12px;overflow:hidden;max-width:400px}.image-preview img{width:100%;height:auto;display:block}.input-container{padding:24px 20px 32px;background:var(--bg-primary);border-top:1px solid var(--border-color)}.input-wrapper{max-width:800px;margin:0 auto}.input-box{display:flex;align-items:flex-end;gap:12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:24px;padding:12px 16px;transition:all .2s ease}.input-box:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 3px #5e6ad21a}.input-content{flex:1;display:flex;flex-direction:column;gap:8px}.input-field{width:100%;background:transparent;border:none;outline:none;color:var(--text-primary);font-size:15px;resize:none;max-height:200px;line-height:1.5;font-family:inherit}.input-field::placeholder{color:var(--text-tertiary)}.attached-image-preview{position:relative;max-width:200px;border-radius:8px;overflow:hidden;border:1px solid var(--border-color)}.attached-image-preview img{width:100%;height:auto;display:block}.remove-image-btn{position:absolute;top:4px;right:4px;background:#000000b3;border:none;color:#fff;width:24px;height:24px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.remove-image-btn:hover{background:#000000e6}.input-actions{display:flex;align-items:center;gap:8px}.attach-button{background:transparent;border:none;color:var(--text-secondary);width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.attach-button:hover{background:var(--bg-hover);color:var(--text-primary)}.send-button{background:var(--accent-primary);border:none;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;transition:all .25s cubic-bezier(.4,0,.2,1);flex-shrink:0;transform:translateZ(0);will-change:transform,background}.send-button:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.1) translateZ(0);box-shadow:0 4px 12px #5e6ad24d}.send-button:active:not(:disabled){transform:scale(1.05) translateZ(0)}.send-button:disabled{opacity:.4;cursor:not-allowed}.input-footer{text-align:center;margin-top:12px;font-size:12px;color:var(--text-tertiary)}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--bg-secondary);border-radius:16px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 25px -5px #0000004d;border:1px solid var(--border-color)}.modal-header{padding:20px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:18px;font-weight:600;color:var(--text-primary)}.modal-close{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:6px;border-radius:6px;transition:all .15s ease;display:flex;align-items:center;justify-content:center}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:20px}.setting-group{margin-bottom:20px}.setting-label{display:block;margin-bottom:12px;font-weight:600;font-size:14px;color:var(--text-primary)}.theme-selector{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.theme-option{padding:12px;border:2px solid var(--border-color);border-radius:10px;cursor:pointer;transition:all .2s ease;text-align:center;font-weight:500;font-size:14px;color:var(--text-secondary);background:var(--bg-primary)}.theme-option:hover{border-color:var(--accent-primary);color:var(--text-primary)}.theme-option.active{border-color:var(--accent-primary);background:#5e6ad21a;color:var(--accent-primary)}.modal-footer{padding:20px;border-top:1px solid var(--border-color);display:flex;gap:12px;justify-content:flex-end}.modal-button{padding:10px 20px;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease}.modal-button-secondary{background:transparent;border:2px solid var(--border-color);color:var(--text-secondary)}.modal-button-secondary:hover{border-color:var(--text-secondary);color:var(--text-primary)}.modal-button-primary{background:var(--accent-primary);border:none;color:#fff}.modal-button-primary:hover{background:var(--accent-hover)}.flex{display:flex}.items-center{align-items:center}.justify-center{justify-content:center}.gap-2{gap:8px}.h-screen{height:100vh}