/* V-Architect studio */
[hidden]{display:none!important}
.va-hero{padding:88px 0 64px}
.va-hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.4rem}
.va-hero .tag{display:inline-block;background:var(--red);color:#fff;font-family:var(--font-head);font-weight:700;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;padding:.35rem .7rem;border-radius:4px;margin-bottom:1.2rem}
.va-studio{background:var(--bg-2);padding-top:36px;padding-bottom:36px}
.va-grid{display:grid;grid-template-columns:minmax(320px,5fr) minmax(0,7fr);gap:20px;align-items:start}
@media(max-width:960px){.va-grid{grid-template-columns:1fr}}
.va-grid .card{padding:0;overflow:hidden}
.va-grid .card:hover{transform:none;box-shadow:none}

/* chat */
.va-chat{display:flex;flex-direction:column;min-height:640px;max-height:calc(100vh - 120px);position:sticky;top:88px}
@media(max-width:960px){.va-chat{position:static;max-height:none;min-height:0}}
.va-chat-head{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:#fff}
.va-chat-head b{display:block;font-family:var(--font-head);font-size:.98rem}
.va-chat-head span{display:block;font-size:.8rem;color:var(--muted)}
.va-avatar{width:38px;height:38px;border-radius:50%;background:var(--red);color:#fff;font-family:var(--font-head);font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.va-link{margin-left:auto;white-space:nowrap;background:none;border:0;color:var(--red);font:inherit;font-size:.85rem;font-weight:600;cursor:pointer;padding:6px 8px;border-radius:6px}
.va-link:hover{background:var(--red-tint)}
.va-start{padding:20px 18px}
.va-start label{display:block;font-family:var(--font-head);font-weight:600;font-size:.85rem;margin-bottom:5px}
.va-start input,.va-start select,.va-start textarea{width:100%;padding:.65rem .8rem;border:1px solid #C9D0D8;border-radius:6px;font:inherit;font-size:.95rem;margin-bottom:12px;background:#fff;color:var(--ink)}
.va-start input:focus,.va-start select:focus,.va-start textarea:focus{outline:2px solid var(--red);outline-offset:1px;border-color:var(--red)}
.va-start textarea{min-height:120px;resize:vertical}
.va-start .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:480px){.va-start .row{grid-template-columns:1fr}}
.va-start .note,.note{font-size:.82rem;color:var(--muted);margin:10px 0 0}
.va-messages{flex:1;overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:12px;background:#FAFBFC}
.va-msg{max-width:92%;padding:10px 14px;border-radius:12px;font-size:.95rem;line-height:1.5}
.va-msg.user{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:4px;white-space:pre-wrap}
.va-msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.va-msg.bot p{margin:0 0 .6em}.va-msg.bot p:last-child{margin:0}
.va-msg.bot ul,.va-msg.bot ol{margin:.3em 0 .6em;padding-left:1.3em}
.va-msg.typing span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#9AA4AF;margin-right:4px;animation:va-b 1.2s infinite}
.va-msg.typing span:nth-child(2){animation-delay:.2s}.va-msg.typing span:nth-child(3){animation-delay:.4s}
@keyframes va-b{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}
.va-composer{display:flex;gap:10px;padding:12px 14px;border-top:1px solid var(--line);background:#fff}
.va-composer textarea{flex:1;resize:none;padding:.65rem .8rem;border:1px solid #C9D0D8;border-radius:6px;font:inherit;font-size:.95rem;max-height:140px}
.va-composer textarea:focus{outline:2px solid var(--red);outline-offset:1px;border-color:var(--red)}
.va-composer .btn{padding:.6rem 1.1rem}

/* outputs */
.va-out{display:flex;flex-direction:column;min-height:640px}
.va-tabs{display:flex;border-bottom:1px solid var(--line);background:#fff;overflow-x:auto}
.va-tabs button{flex:1;background:none;border:0;border-bottom:3px solid transparent;padding:14px 12px;font-family:var(--font-head);font-weight:600;font-size:.88rem;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.va-tabs button:hover{background:var(--bg-2)}
.va-tabs button.active{color:var(--red);border-bottom-color:var(--red)}
.va-panel{padding:18px 20px;flex:1}
.va-empty{display:flex;align-items:center;justify-content:center;min-height:220px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:8px;padding:20px}
.va-empty p{margin:0;max-width:40ch}
.va-progress{display:flex;align-items:center;gap:12px;font-size:.85rem;color:var(--muted);margin-bottom:14px}
.va-progress .bar{flex:1;height:6px;background:var(--line);border-radius:3px;overflow:hidden}
.va-progress .bar i{display:block;height:100%;width:0;background:var(--red);transition:width .4s}
.va-desc{color:var(--ink-2)}
.va-dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0 0 18px;font-size:.93rem}
.va-dl dt{font-family:var(--font-head);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding-top:2px}
.va-dl dd{margin:0}
.va-panel h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:18px 0 8px}
.va-table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:0}
.va-table th,.va-table td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.va-table th{font-family:var(--font-head);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);background:var(--bg-2)}
.va-table .r{text-align:right;white-space:nowrap}
.va-table tr.total td{font-weight:600;background:var(--bg-2)}
.va-table tr.grand td{font-weight:700;background:var(--red-tint);color:var(--red-dark);font-size:1rem}
.va-chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.va-chips li{background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:.2rem .7rem;font-size:.85rem}
#vb-questions{margin:0;padding-left:1.2em;color:var(--ink-2);font-size:.92rem}
.va-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.va-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px;font-size:.9rem;color:var(--ink-2)}
.va-toolbar .spacer{flex:1}
.va-toolbar select{padding:.5rem .7rem;border:1px solid #C9D0D8;border-radius:6px;font:inherit;font-size:.9rem;background:#fff}
.va-toolbar .btn{padding:.55rem 1rem;font-size:.88rem}
.va-tool{background:#fff;border:1px solid #C9D0D8;border-radius:6px;padding:.4rem .7rem;font:inherit;font-size:.82rem;font-weight:600;color:var(--ink-2);cursor:pointer}
.va-tool:hover,.va-tool.active{border-color:var(--red);color:var(--red)}
.va-viewer{position:relative;width:100%;aspect-ratio:16/10;background:linear-gradient(#EEF2F6,#DDE3EA);border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.va-viewer canvas{display:block;width:100%!important;height:100%!important}
.va-viewer-hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.95rem;pointer-events:none}
.va-legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:10px;font-size:.82rem;color:var(--ink-2)}
.va-legend span{display:inline-flex;align-items:center;gap:6px}
.va-legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.va-detail3d{display:flex;align-items:center;gap:16px;margin-top:18px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--bg-2)}
.va-detail3d b{font-family:var(--font-head);font-size:.92rem}
.va-detail3d p{margin:2px 0 0;font-size:.85rem;color:var(--muted)}
.va-detail3d .btn{margin-left:auto;white-space:nowrap;padding:.55rem 1rem;font-size:.88rem}
@media(max-width:560px){.va-detail3d{flex-direction:column;align-items:stretch}.va-detail3d .btn{margin-left:0}}
.va-mesh-status{margin-top:10px;font-size:.88rem;color:var(--ink-2)}
.va-mesh-status .bar{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:6px}
.va-mesh-status .bar i{display:block;height:100%;width:0;background:var(--red);transition:width .6s}
.va-model-switch{display:flex;gap:0;margin-top:12px;border:1px solid var(--line);border-radius:6px;overflow:hidden;width:max-content}
.va-model-switch button{background:#fff;border:0;padding:.45rem .9rem;font:inherit;font-size:.85rem;font-weight:600;color:var(--ink-2);cursor:pointer}
.va-model-switch button.active{background:var(--red);color:#fff}
.va-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.va-gallery .va-empty{grid-column:1/-1}
.va-shot{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;position:relative}
.va-shot img{width:100%;aspect-ratio:3/2;object-fit:cover;cursor:zoom-in}
.va-shot .cap{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;font-size:.82rem;color:var(--ink-2)}
.va-shot .cap a{font-weight:600}
.va-shot.pending{aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:var(--muted);font-size:.85rem;background:var(--bg-2)}
.va-spinner{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--red);border-radius:50%;animation:va-spin .8s linear infinite}
@keyframes va-spin{to{transform:rotate(360deg)}}
.va-est-summary{background:var(--bg-2);border-left:4px solid var(--red);padding:14px 16px;border-radius:0 8px 8px 0;margin-bottom:16px;font-size:.95rem}
.va-est-big{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}
.va-est-big div{border:1px solid var(--line);border-radius:8px;padding:12px;text-align:center}
.va-est-big b{display:block;font-family:var(--font-head);font-size:1.25rem;color:var(--ink)}
.va-est-big.mid b{color:var(--red)}
.va-est-big span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
@media(max-width:520px){.va-est-big{grid-template-columns:1fr}}
.va-est-notes{font-size:.86rem;color:var(--ink-2);margin:0;padding-left:1.2em}
.va-footer{display:flex;align-items:center;gap:16px;padding:16px 20px;border-top:1px solid var(--line);background:#fff}
.va-footer b{display:block;font-family:var(--font-head);font-size:.95rem}
.va-footer span{font-size:.85rem;color:var(--muted)}
.va-footer .btn{margin-left:auto;white-space:nowrap}
@media(max-width:560px){.va-footer{flex-direction:column;align-items:stretch}.va-footer .btn{margin-left:0;text-align:center}}
.va-step{width:40px;height:40px;border-radius:50%;background:var(--red);color:#fff;font-family:var(--font-head);font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.va-error{background:#FFF4F4;border:1px solid #F3C4C4;color:#8A2222;padding:10px 12px;border-radius:6px;font-size:.88rem;margin:10px 0}

/* modal */
.va-modal{position:fixed;inset:0;background:rgba(20,26,34,.55);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.va-modal-box{position:relative;width:100%;max-width:560px;padding:28px!important;max-height:90vh;overflow:auto}
.va-close{position:absolute;top:10px;right:14px;background:none;border:0;font-size:1.6rem;line-height:1;cursor:pointer;color:var(--muted)}
.va-lead{border:0!important;padding:0!important}
.va-lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;z-index:110;cursor:zoom-out;padding:20px}
.va-lightbox img{max-width:100%;max-height:100%;border-radius:6px}