@import"https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";:root{--accent: #5ba4cf;--accent-light: #7dbde8;--accent-dark: #3d85b0;--accent-glow: rgba(91, 164, 207, .18);--bg-base: #141820;--bg-surface: #1c2233;--bg-elevated: #242a3d;--bg-hover: #2d3450;--bg-modal: #1a2030;--text-primary: #e8edf7;--text-secondary: #8b95b0;--text-muted: #4e5872;--border: rgba(91, 164, 207, .12);--border-strong: rgba(91, 164, 207, .25);--bubble-bot: #1e2840;--bubble-user: #1b4266;--bubble-user-text: #ddeeff;--success: #4caf82;--error: #e05c6c;--warning: #e8a44a;--radius-sm: 10px;--radius-md: 16px;--radius-lg: 22px;--radius-xl: 28px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0,0,0,.25);--shadow-md: 0 4px 20px rgba(0,0,0,.35);--shadow-lg: 0 8px 40px rgba(0,0,0,.5);--shadow-accent: 0 4px 20px rgba(91,164,207,.2);--font: "Sora", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--header-h: 64px;--input-h: 72px;--transition: .18s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;font-family:var(--font);background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{height:100%;display:flex;flex-direction:column;position:relative}.offline-banner{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--error);color:#fff;font-size:13px;font-weight:500;padding:8px 16px;z-index:100;animation:slideDown .3s ease}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.lang-switcher{display:flex;gap:2px;background:var(--bg-base);border-radius:var(--radius-full);padding:3px;border:1px solid var(--border)}.lang-btn{font-family:var(--font);font-size:11px;font-weight:600;letter-spacing:.04em;padding:4px 10px;border:none;border-radius:var(--radius-full);background:transparent;color:var(--text-secondary);cursor:pointer;transition:var(--transition);white-space:nowrap}.lang-btn:hover{color:var(--text-primary);background:var(--bg-elevated)}.lang-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px #5ba4cf59}.login-page{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:var(--bg-base)}.login-bg-orbs{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden}.orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.22;animation:float 8s ease-in-out infinite}.orb-1{width:400px;height:400px;background:var(--accent);top:-100px;right:-80px;animation-delay:0s}.orb-2{width:300px;height:300px;background:#3a6fd8;bottom:-80px;left:-60px;animation-delay:-3s}.orb-3{width:200px;height:200px;background:var(--accent-light);top:50%;left:50%;transform:translate(-50%,-50%);animation-delay:-6s}@keyframes float{0%,to{transform:translate(0)}33%{transform:translate(12px,-18px)}66%{transform:translate(-10px,10px)}}.lang-switcher--top-right{position:absolute;top:20px;right:20px;z-index:10}.login-card{width:100%;max-width:420px;background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-xl);padding:44px 40px;box-shadow:var(--shadow-lg),0 0 60px #5ba4cf14;z-index:1;animation:fadeUp .5s ease}@keyframes fadeUp{0%{transform:translateY(24px);opacity:0}to{transform:translateY(0);opacity:1}}.login-logo-wrap{display:flex;justify-content:center;margin-bottom:24px}.login-logo-wrap .piche-logo{filter:drop-shadow(0 4px 16px rgba(91,164,207,.4))}.login-header{text-align:center;margin-bottom:32px}.login-title{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.login-subtitle{font-size:14px;color:var(--text-secondary);font-weight:400}.login-form{display:flex;flex-direction:column;gap:14px}.input-group-with-help{position:relative;display:flex;align-items:flex-start;gap:8px}.input-group{position:relative;display:flex;align-items:center;flex:1}.input-icon{position:absolute;left:16px;width:18px;height:18px;color:var(--text-muted);pointer-events:none;transition:color var(--transition)}.help-icon{width:36px;height:36px;padding:0;border:1.5px solid var(--border);border-radius:var(--radius-md);background:var(--bg-elevated);color:var(--text-secondary);cursor:help;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative;transition:var(--transition)}.help-icon:hover{color:var(--accent);border-color:var(--accent);background:var(--accent-glow)}.help-icon svg{width:16px;height:16px}.help-tooltip{position:absolute;top:100%;right:0;margin-top:8px;background:var(--bg-surface);border:1px solid var(--border-strong);border-radius:var(--radius-md);color:var(--text-secondary);font-size:12px;line-height:1.4;padding:10px 12px;width:220px;opacity:0;pointer-events:none;transition:opacity var(--transition);z-index:20}.help-icon:hover .help-tooltip{opacity:1;pointer-events:auto}.login-input{width:100%;background:var(--bg-elevated);border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font);font-size:14px;padding:14px 16px 14px 46px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.login-input::placeholder{color:var(--text-muted)}.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.login-input:focus~.input-icon,.input-group:focus-within .input-icon{color:var(--accent)}.login-input:disabled{opacity:.5;cursor:not-allowed}.login-error{font-size:13px;color:var(--error);min-height:18px;text-align:center;opacity:0;transition:opacity var(--transition)}.login-error.visible{opacity:1}.login-btn{width:100%;background:var(--accent);color:#fff;border:none;border-radius:var(--radius-md);font-family:var(--font);font-size:15px;font-weight:600;padding:14px;cursor:pointer;transition:background var(--transition),box-shadow var(--transition),transform var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;margin-top:4px}.login-btn:hover:not(:disabled){background:var(--accent-light);box-shadow:var(--shadow-accent);transform:translateY(-1px)}.login-btn:active:not(:disabled){transform:translateY(0)}.login-btn:disabled{opacity:.65;cursor:not-allowed}.chat-page{flex:1;display:flex;flex-direction:column;height:100%;min-height:0;overflow:hidden}.chat-header{height:var(--header-h);background:var(--bg-surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 16px;flex-shrink:0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:10}.chat-header__left{display:flex;align-items:center;gap:12px;min-width:0}.header-logo{flex-shrink:0;display:flex}.header-logo .piche-logo{border-radius:50%;box-shadow:0 2px 10px #5ba4cf4d}.header-info{display:flex;flex-direction:column;min-width:0}.header-name{font-size:15px;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-status{font-size:12px;font-weight:400;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-status.online{color:var(--success)}.header-status.typing{color:var(--accent);animation:pulse 1.5s ease infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.chat-header__right{display:flex;align-items:center;gap:10px;flex-shrink:0}.header-btn{display:flex;align-items:center;gap:5px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-secondary);padding:6px 10px;cursor:pointer;font-family:var(--font);font-size:13px;font-weight:500;transition:var(--transition)}.header-btn:hover{color:var(--accent);border-color:var(--accent)}.header-btn.active{color:var(--accent);border-color:var(--accent);background:var(--accent-glow)}.pin-count{background:var(--accent);color:#fff;border-radius:var(--radius-full);font-size:11px;padding:1px 6px;font-weight:700}.pinned-panel{background:var(--bg-elevated);border-bottom:1px solid var(--border);padding:10px 16px;flex-shrink:0;animation:slideDown .2s ease}.pinned-panel__content{display:flex;align-items:center;gap:10px}.pinned-panel__icon{color:var(--accent);flex-shrink:0;display:flex}.pinned-panel__text{flex:1;min-width:0;display:flex;flex-direction:column}.pinned-panel__label{font-size:11px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.06em}.pinned-panel__preview{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pinned-panel__btn{background:transparent;border:1px solid var(--accent);border-radius:var(--radius-full);color:var(--accent);font-family:var(--font);font-size:12px;font-weight:500;padding:4px 12px;cursor:pointer;flex-shrink:0;transition:var(--transition)}.pinned-panel__btn:hover{background:var(--accent-glow)}.messages-list{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:6px;scroll-behavior:smooth}.messages-list::-webkit-scrollbar{width:4px}.messages-list::-webkit-scrollbar-track{background:transparent}.messages-list::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}.welcome-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:40px;opacity:.5}.welcome-logo .piche-logo{filter:drop-shadow(0 4px 16px rgba(91,164,207,.3))}.welcome-title{font-size:18px;font-weight:600;color:var(--text-secondary);text-align:center}.date-divider{display:flex;align-items:center;gap:10px;margin:12px 0 6px}.date-divider:before,.date-divider:after{content:"";flex:1;height:1px;background:var(--border)}.date-divider span{font-size:11px;color:var(--text-muted);font-weight:500;white-space:nowrap;padding:2px 10px;background:var(--bg-elevated);border-radius:var(--radius-full)}.message{display:flex;max-width:82%;animation:msgIn .25s cubic-bezier(.34,1.56,.64,1)}@keyframes msgIn{0%{transform:translateY(10px) scale(.96);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.message--bot{align-self:flex-start}.message--user{align-self:flex-end;flex-direction:row-reverse}.message__bubble{padding:12px 16px;border-radius:var(--radius-lg);font-size:14px;line-height:1.6;position:relative;word-break:break-word}.message--bot .message__bubble{background:var(--bubble-bot);border:1px solid var(--border);border-bottom-left-radius:var(--radius-sm);color:var(--text-primary)}.message--user .message__bubble{background:var(--bubble-user);border:1px solid rgba(91,164,207,.2);border-bottom-right-radius:var(--radius-sm);color:var(--bubble-user-text)}.message--pinned .message__bubble{border-color:#5ba4cf73;box-shadow:0 0 0 1px #5ba4cf33}.message.highlight .message__bubble{animation:highlightPulse 2s ease}@keyframes highlightPulse{0%,to{box-shadow:none}30%{box-shadow:0 0 0 3px #5ba4cf80}}.message__bubble p{margin-bottom:8px}.message__bubble p:last-child{margin-bottom:0}.message__bubble strong{font-weight:600;color:#fff}.message__bubble a{color:var(--accent-light);text-decoration:underline;text-underline-offset:3px}.message__bubble a:hover{color:#fff}.message__bubble code{font-family:var(--font-mono);font-size:12px;background:#0000004d;padding:2px 6px;border-radius:6px}.message__bubble pre{background:#0000004d;padding:12px;border-radius:10px;overflow-x:auto;margin:8px 0}.message__bubble pre code{background:none;padding:0}.message__bubble ul,.message__bubble ol{padding-left:20px;margin:6px 0}.message__bubble li{margin-bottom:4px}.message__bubble blockquote{border-left:3px solid var(--accent);padding-left:12px;color:var(--text-secondary);margin:8px 0}.message__meta{display:flex;align-items:center;justify-content:flex-end;gap:6px;margin-top:8px}.message__time{font-size:11px;color:var(--text-muted)}.pin-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:2px;border-radius:4px;display:flex;align-items:center;transition:color var(--transition),transform var(--transition);opacity:0}.message:hover .pin-btn{opacity:1}.pin-btn.pinned{opacity:1!important;color:var(--accent)}.pin-btn:hover{color:var(--accent);transform:scale(1.15)}.message--typing .message__bubble{padding:14px 18px}.typing-dots{display:flex;gap:5px;align-items:center}.typing-dots span{width:7px;height:7px;border-radius:50%;background:var(--text-secondary);animation:typingBounce 1.2s ease infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-6px);opacity:1}}.audio-player{max-width:220px;height:36px;border-radius:var(--radius-md);filter:invert(1) hue-rotate(180deg) brightness(.8)}.mode-selector{display:flex;gap:4px;margin-bottom:8px}.mode-btn{display:flex;align-items:center;gap:5px;font-family:var(--font);font-size:12px;font-weight:500;padding:5px 12px;border:1.5px solid var(--border);border-radius:var(--radius-full);background:transparent;color:var(--text-muted);cursor:pointer;transition:var(--transition)}.mode-btn:hover{color:var(--text-secondary);border-color:var(--border-strong);background:var(--bg-elevated)}.mode-btn.active{color:var(--accent);border-color:var(--accent);background:var(--accent-glow)}.waveform-canvas{display:block;width:100%;height:44px;flex-shrink:0;background:var(--bg-base);border-radius:var(--radius-md);margin-bottom:6px}.input-area{background:var(--bg-surface);border-top:1px solid var(--border);padding:12px;flex-shrink:0}.input-wrap{display:flex;flex-direction:column;gap:0;background:var(--bg-elevated);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:8px 8px 8px 16px;transition:border-color var(--transition),box-shadow var(--transition)}.input-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.input-wrap .waveform-canvas{margin:0 -8px 6px;width:calc(100% + 16px);border-radius:var(--radius-md) var(--radius-md) 0 0}.input-wrap .input-row{display:flex;align-items:flex-end;gap:10px}.msg-input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-family:var(--font);font-size:14px;line-height:1.5;resize:none;max-height:140px;overflow-y:auto;padding:4px 0}.msg-input::placeholder{color:var(--text-muted)}.msg-input:disabled{opacity:.5;cursor:not-allowed}.msg-input::-webkit-scrollbar{width:3px}.msg-input::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.input-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.action-btn{width:38px;height:38px;border-radius:var(--radius-md);border:none;background:var(--bg-hover);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}.action-btn:hover{background:var(--bg-elevated);color:var(--text-primary)}.action-btn:disabled{opacity:.4;cursor:not-allowed}.action-btn.recording{background:#e05c6c33;color:var(--error);animation:recordPulse 1.5s ease infinite}@keyframes recordPulse{0%,to{box-shadow:0 0 #e05c6c00}50%{box-shadow:0 0 0 5px #e05c6c26}}.action-btn--send{background:var(--accent);color:#fff}.action-btn--send:hover:not(:disabled){background:var(--accent-light);box-shadow:0 3px 12px #5ba4cf66}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0e18b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{width:100%;max-width:500px;max-height:80vh;background:var(--bg-modal);border:1px solid var(--border-strong);border-radius:var(--radius-xl);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:modalUp .25s cubic-bezier(.34,1.56,.64,1)}@keyframes modalUp{0%{transform:translateY(30px) scale(.96);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-title{font-size:17px;font-weight:600;color:var(--text-primary)}.modal-close{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;padding:6px;display:flex;align-items:center;transition:var(--transition)}.modal-close:hover{color:var(--text-primary);border-color:var(--border-strong)}.modal-body{flex:1;overflow-y:auto;padding:16px 24px 24px;display:flex;flex-direction:column;gap:12px}.modal-body::-webkit-scrollbar{width:4px}.modal-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.empty-state{text-align:center;color:var(--text-muted);font-size:14px;padding:32px}.pinned-item{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;transition:border-color var(--transition)}.pinned-item:hover{border-color:var(--border-strong)}.pinned-item__meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.pinned-item__role{font-size:12px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.04em}.pinned-item__time{font-size:11px;color:var(--text-muted)}.pinned-item__content{font-size:13px;color:var(--text-secondary);line-height:1.5;margin-bottom:12px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical}.pinned-item__content p{margin:0}.pinned-item__content strong{color:var(--text-primary)}.pinned-item__content a{color:var(--accent-light)}.pinned-item__jump{background:transparent;border:1px solid var(--accent);border-radius:var(--radius-full);color:var(--accent);font-family:var(--font);font-size:12px;font-weight:500;padding:4px 14px;cursor:pointer;transition:var(--transition)}.pinned-item__jump:hover{background:var(--accent-glow)}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 480px){.login-card{padding:32px 24px;border-radius:var(--radius-lg)}.login-title{font-size:20px}.message{max-width:92%}.lang-btn{padding:4px 8px;font-size:10px}.header-name{font-size:14px}}@media (min-width: 768px){.messages-list{padding:20px}.message{max-width:68%}.input-area{padding:16px 20px}}@media (min-width: 1024px){.messages-list{padding:24px calc(50% - 350px)}}