/* Novaryn AI 聊天窗口：独立样式，全部以 .nvc- 为前缀，不影响原页面。 */
.nvc-launcher{position:fixed;z-index:30;right:24px;bottom:96px;width:58px;height:58px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(139,232,241,.55);border-radius:50%;background:rgba(10,37,57,.82);color:var(--cyan,#8be8f1);box-shadow:0 0 0 4px rgba(139,232,241,.08),0 10px 30px rgba(2,20,34,.55),0 0 18px rgba(139,232,241,.25);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:transform .2s,box-shadow .2s,background .2s}
.nvc-launcher:hover{transform:translateY(-2px);background:rgba(14,48,72,.9);box-shadow:0 0 0 5px rgba(139,232,241,.12),0 12px 34px rgba(2,20,34,.6),0 0 24px rgba(139,232,241,.38)}
.nvc-launcher svg{width:26px;height:26px}
.nvc-launcher[aria-expanded="true"]{opacity:0;pointer-events:none;transform:scale(.85)}
.nvc-panel{position:fixed;z-index:31;right:24px;bottom:24px;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);display:flex;flex-direction:column;overflow:hidden;color:var(--ink,#f2f9ff);background:linear-gradient(180deg,rgba(10,37,57,.94),rgba(6,26,42,.96));border:1px solid var(--line,rgba(179,226,244,.26));border-top:2px solid var(--cyan,#8be8f1);box-shadow:0 18px 50px rgba(1,14,25,.65);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);font-family:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;animation:nvc-in .22s ease-out}
.nvc-panel[hidden]{display:none!important}
@keyframes nvc-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.nvc-head{display:flex;align-items:center;gap:10px;padding:14px 14px 12px 18px;border-bottom:1px solid var(--line,rgba(179,226,244,.26))}
.nvc-title{flex:1;min-width:0}
.nvc-title strong{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:650;letter-spacing:.14em}
.nvc-title strong i{width:6px;height:6px;border-radius:50%;background:var(--cyan,#8be8f1);box-shadow:0 0 10px #8be8f1}
.nvc-title span{display:block;margin-top:3px;font:400 11px/1.4 "Consolas",monospace;letter-spacing:.16em;color:#9fc3d3}
.nvc-iconbtn{min-width:36px;height:32px;padding:0 9px;border:1px solid transparent;background:transparent;color:#c6dfe9;font-size:12px;letter-spacing:.06em;display:inline-flex;align-items:center;justify-content:center}
.nvc-iconbtn:hover{color:#fff;border-color:var(--line,rgba(179,226,244,.26))}
.nvc-iconbtn svg{width:18px;height:18px}
.nvc-iconbtn:focus-visible,.nvc-send:focus-visible,.nvc-launcher:focus-visible{outline:2px solid var(--cyan,#8be8f1);outline-offset:3px}
.nvc-player{display:flex;align-items:center;gap:10px;padding:8px 14px 8px 18px;border-bottom:1px solid var(--line,rgba(179,226,244,.26));background:rgba(4,22,36,.4)}
.nvc-player-label{flex:none;font:400 11px/1.4 "Consolas",monospace;letter-spacing:.16em;color:#9fc3d3}
.nvc-player-input{flex:1;min-width:0;height:28px;padding:0 9px;border:1px solid rgba(179,226,244,.28);border-radius:0;background:rgba(10,37,57,.7);color:var(--ink,#f2f9ff);font:inherit;font-size:13px;outline:none}
.nvc-player-input:focus{border-color:var(--cyan,#8be8f1);box-shadow:0 0 0 1px rgba(139,232,241,.25)}
.nvc-player-input::placeholder{color:#5f8396}
.nvc-player-input:focus-visible{outline:2px solid var(--cyan,#8be8f1);outline-offset:1px}
.nvc-player-tip{flex:none;font-size:11px;color:#7fa3b5;letter-spacing:.04em}
.nvc-list{flex:1;overflow-y:auto;padding:16px 16px 8px;display:flex;flex-direction:column;gap:12px;overscroll-behavior:contain;background-image:linear-gradient(rgba(180,231,251,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(180,231,251,.035) 1px,transparent 1px);background-size:36px 36px}
.nvc-list::-webkit-scrollbar{width:6px}.nvc-list::-webkit-scrollbar-thumb{background:rgba(179,226,244,.22)}
.nvc-msg{max-width:86%;padding:10px 13px;font-size:14px;line-height:1.65;white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}
.nvc-msg.nvc-assistant{align-self:flex-start;background:rgba(18,56,82,.72);border:1px solid rgba(179,226,244,.18);border-left:2px solid var(--cyan,#8be8f1)}
.nvc-msg.nvc-user{align-self:flex-end;background:rgba(139,232,241,.16);border:1px solid rgba(139,232,241,.35);color:#f2fbff}
.nvc-msg.nvc-error{align-self:stretch;max-width:none;font-size:13px;color:#ffd7c9;background:rgba(120,40,30,.28);border:1px solid rgba(255,160,130,.35)}
.nvc-typing{align-self:flex-start;display:flex;gap:5px;padding:13px 15px;background:rgba(18,56,82,.72);border:1px solid rgba(179,226,244,.18);border-left:2px solid var(--cyan,#8be8f1)}
.nvc-typing i{width:5px;height:5px;border-radius:50%;background:#b2f2fc;animation:nvc-dot 1.2s ease-in-out infinite}
.nvc-typing i:nth-child(2){animation-delay:.2s}.nvc-typing i:nth-child(3){animation-delay:.4s}
@keyframes nvc-dot{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-3px)}}
.nvc-form{padding:10px 12px 12px;border-top:1px solid var(--line,rgba(179,226,244,.26));background:rgba(4,22,36,.55)}
.nvc-input{display:block;width:100%;min-height:44px;max-height:120px;resize:none;padding:10px 12px;border:1px solid rgba(179,226,244,.28);border-radius:0;background:rgba(10,37,57,.7);color:var(--ink,#f2f9ff);font:inherit;font-size:14px;line-height:1.5;outline:none}
.nvc-input:focus{border-color:var(--cyan,#8be8f1);box-shadow:0 0 0 1px rgba(139,232,241,.25)}
.nvc-input::placeholder{color:#7fa3b5}
.nvc-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px}
.nvc-count{font:400 11px/1.4 "Consolas",monospace;letter-spacing:.08em;color:#8fb3c4}
.nvc-count.nvc-over{color:#ffb39a}
.nvc-hint{flex:1;font-size:11px;color:#7fa3b5;letter-spacing:.04em}
.nvc-send{min-width:76px;height:34px;padding:0 16px;border:1px solid var(--cyan,#8be8f1);background:rgba(139,232,241,.14);color:#e9fdff;font-size:13px;letter-spacing:.18em}
.nvc-send:hover:not(:disabled){background:rgba(139,232,241,.26)}
.nvc-send:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:760px){.nvc-launcher{right:16px;bottom:150px;width:52px;height:52px}.nvc-panel{left:0;right:0;bottom:0;width:100%;max-width:none;height:min(78vh,620px);height:min(78dvh,620px);max-height:none;border-left:0;border-right:0}.nvc-hint{display:none}.nvc-input{font-size:16px}.nvc-player-input{font-size:16px}.nvc-player-tip{display:none}}
@media(prefers-reduced-motion:reduce){.nvc-panel,.nvc-typing i{animation:none!important}}