*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f7f8fa;--bg-sidebar: #ffffff;--bg-input: #ffffff;--bg-message-user: #eef2ff;--bg-message-assistant: #ffffff;--border: #e5e7eb;--text: #111827;--text-secondary: #6b7280;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #dbeafe;--danger: #ef4444;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--sidebar-width: 280px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}html,body,#root{height:100%}body{font-family:var(--font);font-size:14px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none}.app{display:flex;height:100vh;overflow:hidden}.app__main{flex:1;display:flex;flex-direction:column;min-width:0}.app__banner{padding:10px 16px;background:#fef3c7;color:#92400e;font-size:13px;text-align:center;border-bottom:1px solid #fde68a}.app__banner code{background:#0000000f;padding:2px 6px;border-radius:4px;font-size:12px}.sidebar{width:var(--sidebar-width);min-width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width .2s,min-width .2s}.sidebar--collapsed{width:56px;min-width:56px;align-items:center;padding-top:12px;gap:8px}.sidebar__top{padding-bottom:4px}.sidebar__header{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 12px}.sidebar__logo{font-weight:600;font-size:15px;letter-spacing:-.02em;color:var(--text)}.sidebar__toggle{padding:6px;border-radius:var(--radius-sm);color:var(--text-secondary);transition:background .15s}.sidebar__toggle:hover{background:var(--bg)}.sidebar__new{display:flex;align-items:center;gap:8px;margin:8px 16px 4px;padding:10px 14px;border-radius:10px;border:1px solid var(--border);font-size:13px;font-weight:500;color:var(--text);transition:background .15s,border-color .15s}.sidebar__new:hover{background:var(--bg);border-color:#cbd5e1}.sidebar__icon-btn{padding:10px;border-radius:var(--radius-sm);color:var(--text-secondary)}.sidebar__icon-btn:hover{background:var(--bg);color:var(--accent)}.sidebar__section-label{padding:12px 20px 6px;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-secondary)}.sidebar__list{flex:1;overflow-y:auto;padding:4px 10px 12px}.sidebar__empty{padding:16px 10px;text-align:center;color:var(--text-secondary);font-size:13px}.sidebar__item{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;cursor:pointer;color:var(--text-secondary);transition:background .15s,color .15s;position:relative}.sidebar__item:hover{background:var(--bg);color:var(--text)}.sidebar__item--active{background:#f1f5f9;color:var(--text)}.sidebar__item--active:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--accent)}.sidebar__item-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.sidebar__item-delete{opacity:0;padding:4px;border-radius:4px;color:var(--text-secondary);transition:opacity .15s,color .15s}.sidebar__item:hover .sidebar__item-delete{opacity:1}.sidebar__item-delete:hover{color:var(--danger)}.sidebar__footer{position:relative;padding:12px 16px 16px;border-top:1px solid var(--border)}.sidebar__more{display:flex;align-items:center;gap:8px;width:100%;padding:10px 12px;border-radius:10px;font-size:13px;color:var(--text-secondary);transition:background .15s,color .15s}.sidebar__more:hover{background:var(--bg);color:var(--text)}.sidebar__menu{position:absolute;left:16px;right:16px;bottom:56px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);padding:6px;z-index:20;display:flex;flex-direction:column;gap:2px}.sidebar__menu button{display:flex;align-items:center;gap:8px;width:100%;padding:10px 12px;border-radius:8px;font-size:13px;color:var(--text);text-align:left}.sidebar__menu button:hover{background:var(--bg)}.sidebar__personas{padding:0 16px 8px}.sidebar__personas-label{display:block;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:6px}.sidebar__personas-select,.sidebar__personas-fixed{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:10px;background:var(--bg);font-family:inherit;font-size:13px;font-weight:500;color:var(--text)}.chat-area{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;background:radial-gradient(1200px 500px at 50% -10%,rgba(37,99,235,.06),transparent 60%),var(--bg)}.chat-area__messages{flex:1;overflow-y:auto;padding:28px 24px 12px}.chat-area__composer{position:sticky;bottom:0;z-index:5;padding:8px 0 4px;background:linear-gradient(to top,var(--bg) 55%,rgba(247,248,250,.72));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.welcome{max-width:720px;margin:0 auto;padding-top:12vh;animation:fade-up .35s ease}.welcome__hero{text-align:center;margin-bottom:28px}.welcome__eyebrow{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}.welcome__title{font-size:clamp(28px,4vw,40px);font-weight:650;letter-spacing:-.03em;line-height:1.15;margin-bottom:12px;color:var(--text)}.welcome__subtitle{color:var(--text-secondary);font-size:15px;max-width:460px;margin:0 auto;line-height:1.55}.welcome__chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.welcome__chip{padding:10px 16px;border-radius:999px;border:1px solid var(--border);background:#ffffffe6;font-size:13px;font-weight:500;color:var(--text);transition:border-color .15s,background .15s,transform .15s}.welcome__chip:hover{border-color:#93c5fd;background:#fff;transform:translateY(-1px)}.message-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:18px}.message{display:flex;flex-direction:column;gap:8px;animation:fade-up .25s ease}.message__meta{display:flex;align-items:center;gap:8px}.message__dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.message__dot--user{background:var(--accent)}.message__dot--agent{background:#0f766e}.message__role{font-size:12px;font-weight:600;color:var(--text-secondary)}.message__copy{opacity:0;padding:4px;border-radius:6px;color:var(--text-secondary);transition:opacity .15s,background .15s;margin-left:2px}.message:hover .message__copy{opacity:1}.message__copy:hover{background:#0000000d}.message__bubble{min-width:0}.message__bubble--user{align-self:flex-start;max-width:92%;padding:12px 14px;border-radius:14px;background:#eef2ff}.message__content{font-size:14.5px;line-height:1.7;color:var(--text)}.message__content p{white-space:pre-wrap}.message__content p+p{margin-top:.7em}.message__content pre{background:#0f172a;color:#e2e8f0;padding:14px 16px;border-radius:12px;overflow-x:auto;font-size:13px;margin:10px 0;line-height:1.55}.message__content code{background:#f1f5f9;padding:2px 6px;border-radius:5px;font-size:13px}.message__content pre code{background:none;padding:0;color:inherit}.message__content ul,.message__content ol{padding-left:20px;margin:8px 0}.message__content li+li{margin-top:4px}.message__content table{border-collapse:collapse;margin:10px 0;width:100%;font-size:13px;overflow:hidden;border-radius:10px;border:1px solid var(--border)}.message__content th,.message__content td{border-bottom:1px solid var(--border);padding:8px 12px;text-align:left}.message__content th{background:#f8fafc;font-weight:600}.message__content tr:last-child td{border-bottom:none}.message__content blockquote{margin:10px 0;padding:8px 14px;border-left:3px solid #cbd5e1;color:var(--text-secondary)}.typing-indicator{display:flex;gap:5px;padding:4px 2px;align-items:center}.typing-indicator span{width:5px;height:5px;border-radius:50%;background:#94a3b8;animation:typing 1.2s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.15s}.typing-indicator span:nth-child(3){animation-delay:.3s}@keyframes typing{0%,80%,to{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}@keyframes fade-up{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.chat-input{padding:8px 24px 16px;background:transparent;border-top:none}.chat-input__file{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;margin:0 auto 10px;max-width:760px;width:100%;border-radius:var(--radius-sm);background:var(--accent-light);color:var(--accent);font-size:12px}.chat-input__file button{color:var(--accent);padding:2px;margin-left:auto}.chat-input__row{display:flex;align-items:center;gap:10px;max-width:760px;margin:0 auto;min-height:52px;padding:8px 10px 8px 8px;border:1px solid #dbe3ee;border-radius:18px;background:#ffffffeb;box-shadow:0 8px 24px #0f172a0f;transition:border-color .15s,box-shadow .15s}.chat-input__row:focus-within{border-color:#93c5fd;box-shadow:0 0 0 4px #2563eb1f}.chat-input__attach{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;color:var(--text-secondary);flex-shrink:0}.chat-input__attach:hover:not(:disabled){background:var(--bg);color:var(--accent)}.chat-input__textarea{flex:1;border:none;outline:none;resize:none;font-family:inherit;font-size:14px;line-height:20px;min-height:36px;max-height:200px;padding:8px 4px;background:transparent;color:var(--text);overflow-y:auto}.chat-input__textarea::placeholder{color:var(--text-secondary);line-height:20px}.chat-input__send{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--accent);color:#fff;flex-shrink:0;transition:background .15s}.chat-input__send:hover:not(:disabled){background:var(--accent-hover)}.chat-input__send:disabled{opacity:.4;cursor:not-allowed}.chat-input__send--stop{background:var(--danger)}.chat-input__send--stop:hover{background:#dc2626}.chat-input__hint{text-align:center;font-size:11px;color:var(--text-secondary);margin-top:8px}.app__toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;border-bottom:1px solid var(--border);background:#ffffffeb;gap:10px;min-width:0;flex-shrink:0}.app__toolbar-left{display:flex;align-items:center;gap:10px;flex:1;min-width:0;overflow:hidden}.app__toolbar-right{display:flex;align-items:center;gap:4px;flex-shrink:0}.app__persona-label{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.app__quota{font-size:12px;color:var(--text);background:#f1f5f9;padding:4px 10px;border-radius:999px;white-space:nowrap;flex-shrink:1;overflow:hidden;text-overflow:ellipsis;max-width:100%}.app__admin-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:1;color:var(--text-secondary);text-decoration:none;padding:6px 10px;border-radius:var(--radius-sm);white-space:nowrap;flex-shrink:0}.app__admin-link svg{display:block;flex-shrink:0}.app__admin-link:hover{background:var(--bg);color:var(--accent)}.admin-loading{padding:40px;text-align:center;color:var(--text-secondary)}.admin-login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#eff6ff,#f8fafc 50%,#f1f5f9)}.admin-login__card{width:min(400px,92vw);background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:12px}.admin-login__card h1{font-size:22px}.admin-login__card p{color:var(--text-secondary);margin-bottom:8px}.admin-login__card label{display:flex;flex-direction:column;gap:6px;font-size:13px}.admin-login__card input{padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit}.admin-login__card button,.admin-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;border-radius:8px;background:var(--accent);color:#fff;font-weight:500;text-decoration:none;border:none;cursor:pointer}.admin-btn--ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.admin{display:flex;min-height:100vh;background:#f8fafc}.admin__nav{width:220px;background:#0f172a;color:#e2e8f0;display:flex;flex-direction:column;padding:20px 14px}.admin__brand{font-weight:600;margin-bottom:24px;padding:0 8px}.admin__nav nav{display:flex;flex-direction:column;gap:4px;flex:1}.admin__nav a{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:8px;color:#cbd5e1;text-decoration:none;font-size:14px}.admin__nav a.active,.admin__nav a:hover{background:#ffffff14;color:#fff}.admin__logout{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;line-height:1;color:#94a3b8;border-radius:8px}.admin__logout svg{display:block;flex-shrink:0}.admin__logout:hover{background:#ffffff0f;color:#fff}.admin__content{flex:1;padding:28px;overflow:auto}.admin-page__header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px}.admin-page__header h1{font-size:24px;margin-bottom:4px}.admin-page__header p{color:var(--text-secondary)}.admin-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.admin-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:4px}.admin-card span{font-size:13px;color:var(--text-secondary)}.admin-card strong{font-size:28px}.admin-card small{color:var(--text-secondary)}.admin-panel{background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}.admin-panel h2{font-size:16px;margin-bottom:12px}.admin-panel h3{font-size:14px;margin:12px 0 8px}.admin-bars{display:flex;align-items:flex-end;gap:12px;min-height:160px}.admin-bars__item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px}.admin-bars__bar{width:100%;max-width:40px;background:var(--accent);border-radius:6px 6px 0 0}.admin-bars__item span,.admin-bars__item small{font-size:11px;color:var(--text-secondary)}.admin-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}.admin-table th,.admin-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top;font-size:13px}.admin-table th{background:#f8fafc;color:var(--text-secondary);font-weight:500}.admin-table a{color:var(--accent);text-decoration:none;font-weight:500}.admin-table__actions{display:flex;gap:10px;white-space:nowrap}.admin-link-danger{color:var(--danger);font-size:13px}.admin-muted{color:var(--text-secondary);font-size:12px;margin-top:2px}.admin-badge{display:inline-block;padding:2px 8px;border-radius:999px;background:#e2e8f0;font-size:12px}.admin-badge--ok{background:#dcfce7;color:#166534}.admin-badge--err{background:#fee2e2;color:#991b1b}.admin-alert{padding:10px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}.admin-alert--error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.admin-form__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.admin-form__full{grid-column:1 / -1}.admin-form label{display:flex;flex-direction:column;gap:6px;font-size:13px}.admin-form input,.admin-form textarea,.admin-form select,.admin-filters input,.admin-filters select{padding:9px 11px;border:1px solid var(--border);border-radius:8px;font:inherit}.admin-check{flex-direction:row!important;align-items:center;gap:8px!important}.admin-form__row{display:grid;grid-template-columns:180px 1fr auto;gap:8px;margin-bottom:8px}.admin-form__actions{margin-top:8px}.admin-filters{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.admin-filters input{min-width:220px}@media(max-width:900px){.app__quota{display:none}}@media(max-width:768px){.sidebar:not(.sidebar--collapsed){position:fixed;z-index:100;height:100%;box-shadow:var(--shadow-md)}.app__toolbar{padding:8px 12px}.app__admin-link{padding:8px}.app__admin-link__label{display:none}.welcome__chips{gap:8px}.welcome{padding-top:6vh}.admin{flex-direction:column}.admin__nav{width:100%}.admin-cards,.admin-form__grid,.admin-form__row{grid-template-columns:1fr}}