:root{color-scheme:dark;--bg: #0f0f10;--panel: #1b1b1d;--panel-2: #252527;--border: #3b3b3f;--text: #f1f1f1;--muted: #b8b8bd;--accent: #ff9500;--accent-soft: rgba(255, 149, 0, .18)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;height:100vh;background:linear-gradient(135deg,#121212,#1a1a1a);color:var(--text)}button,input,textarea{font:inherit}.auth-page,.loading-screen{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(420px,100%);background:#1b1b1df2;border:1px solid var(--border);border-radius:24px;padding:28px;box-shadow:0 20px 60px #00000059}.auth-logo,.empty-logo{width:90px;height:90px;object-fit:contain}.auth-card h1{margin:12px 0 8px}.auth-subtitle,.eyebrow,.message-time,.empty-box{color:var(--muted)}.file-note{color:inherit;opacity:.78;font-size:12px}.file-note-soft{opacity:.72}.message-time{border-top:1px solid currentColor;margin-top:10px;padding-top:8px}.message-bubble.mine .message-time{color:#0f0f10}.auth-card form,.composer{display:grid;gap:14px}label{display:grid;gap:6px}input,textarea{width:100%;background:#2b2b2b;color:var(--text);border:1px solid var(--border);border-radius:12px;padding:12px 14px}input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.chat-header-actions{display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap}.icon-btn{padding:10px 12px}.chat-header-row{display:flex;align-items:center;justify-content:space-between}.list-item{display:flex;align-items:center;justify-content:space-between;gap:12px}.primary-btn,.ghost-btn,.list-item{border-radius:12px;padding:12px 14px;border:1px solid var(--border);cursor:pointer;transition:.2s ease}.primary-btn{background:var(--accent);color:#111;font-weight:700;border-color:#cf7900}.ghost-btn,.list-item{background:#2b2b2b;color:var(--text)}.ghost-btn:hover,.list-item:hover{border-color:var(--accent)}.danger-btn{color:#ffb0b0;border-color:#ff5a5a40}.error-box{background:#ff46461a;color:#ff9494;border:1px solid rgba(255,70,70,.25);padding:10px 12px;border-radius:12px}.app-shell{min-height:100vh;display:grid;height:100vh;grid-template-columns:320px 1fr}.sidebar{border-right:1px solid var(--border);background:#1b1b1df2;padding:20px;display:grid;gap:18px}.sidebar-header{padding-bottom:16px;border-bottom:1px solid var(--border);display:grid;gap:12px;height:50px}.sidebar-user{font-size:20px;font-weight:700}.sidebar-header-actions{display:flex;gap:10px}.section-title{margin-bottom:10px;color:var(--accent);font-weight:700;text-transform:uppercase;font-size:12px;letter-spacing:.08em}.list-wrap{display:grid;gap:8px}.list-item.active{background:var(--accent);color:#111;border-color:#cf7900;font-weight:700}.chat-window{position:relative;display:grid;grid-template-rows:auto 1fr auto;min-height:0;height:100vh}.chat-window-dragging{box-shadow:inset 0 0 0 2px #ff950059}.empty-chat{place-items:center;text-align:center;display:grid;min-height:0;padding:40px}.chat-header{padding:22px 24px;border-bottom:1px solid var(--border);background:#0f0f10d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.chat-header h2{margin:4px 0 0}.messages-area{padding:24px;overflow-y:auto;min-height:0;display:flex;flex-direction:column;gap:14px;overflow-x:hidden}.message-row{display:flex}.message-row.mine{justify-content:flex-end}.message-bubble{max-width:min(70%,680px);background:#242428;border:1px solid var(--border);border-radius:18px 18px 18px 6px;padding:12px 14px;overflow:hidden}.message-bubble.mine{background:linear-gradient(135deg,#ff9500,#ffad33);color:#151515;border-color:#cf7900;border-radius:18px 18px 6px}.message-author{font-size:12px;font-weight:700;margin-bottom:6px}.message-text{white-space:pre-wrap;line-height:1.45}.message-attachments{display:grid;gap:10px;margin-top:12px}.file-card{display:grid;gap:4px;text-decoration:none;background:#0000001f;color:inherit;border-radius:12px;padding:10px 12px}.image-attachment-card{justify-items:start;gap:10px}.image-attachment-link{display:block;text-decoration:none}.message-image{display:block;max-width:min(320px,100%);width:100%;max-height:280px;object-fit:contain;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:#0000002e}.image-attachment-footer{display:flex;align-items:center;justify-content:space-between;gap:10px}.image-attachment-meta{display:grid;gap:2px;min-width:0}.download-btn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;border:1px solid var(--border);color:inherit;background:#00000014;text-decoration:none;flex-shrink:0}.download-btn:hover{border-color:var(--accent)}.download-icon{width:16px;height:16px}.composer{padding:18px 24px 24px;border-top:1px solid var(--border);flex-shrink:0;background:#1b1b1df2}.composer textarea{resize:vertical;min-height:76px}.selected-files-list{display:grid;gap:10px}.selected-file-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:16px;border:1px solid var(--border);background:#ffffff08}.selected-file-leading{display:flex;align-items:center;gap:12px;min-width:0;flex:1}.selected-file-thumb,.selected-file-icon{width:44px;height:44px;flex-shrink:0;border-radius:10px}.selected-file-thumb{object-fit:cover;border:1px solid rgba(255,255,255,.08);background:#0003}.selected-file-icon{display:grid;place-items:center;background:#ffffff0f;font-size:20px}.selected-file-info{display:grid;gap:4px;min-width:0}.selected-file-info strong{word-break:break-word}.selected-file-remove{flex-shrink:0;margin:0}.composer-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.composer-actions-left{display:flex;align-items:center;gap:12px;min-width:0;flex-wrap:wrap}.composer-meta{color:var(--muted);font-size:13px;display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.composer-meta-separator{opacity:.5}.chat-drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f0f10b8;display:grid;place-items:center;pointer-events:none;z-index:5}.chat-drop-overlay-card{border:2px dashed rgba(255,149,0,.6);background:#1b1b1df5;color:var(--text);padding:24px 28px;border-radius:18px;font-size:20px;font-weight:700;box-shadow:0 24px 80px #00000059}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:grid;place-items:center;padding:20px;z-index:1000}.modal-card{width:min(520px,100%);max-height:min(80vh,720px);overflow:auto;background:#1b1b1dfa;border:1px solid var(--border);border-radius:24px;padding:20px;box-shadow:0 24px 80px #00000073}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.modal-header h3{margin:4px 0 0}.modal-close-btn{white-space:nowrap}.unread-badge{min-width:24px;height:24px;padding:0 8px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;background:var(--accent);color:#111}.call-icon{width:18px;height:18px;display:block}.call-panel{border-bottom:1px solid var(--border);padding:16px 24px;display:grid;gap:14px;background:#ff95000d}.call-panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.call-panel-header span{color:var(--muted);font-size:13px}.call-panel-header-actions{display:inline-flex;align-items:center;gap:12px;flex-wrap:wrap}.call-session-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1100;display:flex;align-items:flex-start;justify-content:center;padding:88px 24px 24px;background:#0000006b;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.call-panel-modal{width:min(1100px,calc(100vw - 48px));max-height:calc(100vh - 112px);overflow:auto;border:1px solid var(--border);border-radius:22px;background:#1b1b1dfa;box-shadow:0 24px 80px #0006}.call-toolbar{display:flex;justify-content:flex-start;align-items:center;gap:10px;flex-wrap:wrap}.call-media-grid{display:grid;gap:12px}.call-media-grid.with-video{grid-template-columns:minmax(0,1fr) 240px}.call-media-grid.audio-only{grid-template-columns:repeat(2,minmax(180px,220px))}.call-media-card{min-height:140px;border-radius:18px;border:1px solid var(--border);background:#ffffff0a;overflow:hidden}.call-media-card.local{justify-self:start}.call-video{display:block;width:100%;height:100%;max-height:100%;min-width:0;min-height:180px;object-fit:cover;background:#101012}.call-audio-placeholder{min-height:140px;display:grid;place-items:center;color:var(--muted);padding:20px;text-align:center}.call-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;background:#0000007a;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.call-modal{width:min(440px,100%);border:1px solid var(--border);border-radius:22px;background:#1b1b1dfa;box-shadow:0 24px 80px #0006;padding:24px;display:grid;gap:18px;text-align:center}.call-modal-text{display:grid;gap:8px}.call-modal-text strong{font-size:20px}.call-modal-text span{color:var(--muted);word-break:break-word}.call-modal-actions{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.call-incoming-banner,.call-floating-banner{position:absolute;z-index:20;right:24px;left:auto;bottom:24px;width:min(420px,calc(100% - 48px));border:1px solid var(--border);border-radius:18px;background:#1b1b1dfa;box-shadow:0 24px 80px #00000059;padding:16px;display:grid;gap:12px}.call-incoming-text{display:grid;gap:4px}.call-incoming-text span,.call-floating-banner span{color:var(--muted)}.call-incoming-actions,.call-floating-banner{display:flex;align-items:center;gap:10px;flex-wrap:wrap}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--border)}.message-bubble{max-width:88%}.chat-header-row{flex-direction:column;align-items:flex-start}.composer-actions{align-items:stretch;flex-direction:column}.composer-actions-left{align-items:flex-start}.chat-header-actions{width:100%;justify-content:flex-start}.call-media-grid.with-video,.call-media-grid.audio-only{grid-template-columns:1fr}.selected-file-card{align-items:flex-start;flex-direction:column}}.chat-header.compact{padding:12px 24px}.chat-header-row.compact{display:flex;align-items:center;justify-content:space-between;gap:16px}.chat-title-row{display:inline-flex;align-items:center;gap:10px;min-width:0}.eyebrow.inline{margin:0;white-space:nowrap}.chat-title-row h2{margin:0;font-size:20px;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.message-attachments{display:grid;gap:14px;margin-top:10px}.image-attachment-card{display:grid;justify-items:start;gap:10px}.image-attachment-link{display:block;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:0;padding:0;margin:0;text-align:left;cursor:zoom-in;width:min(260px,100%);max-width:100%;justify-self:start}.message-image{display:block;width:100%;height:120px;max-width:260px;max-height:none;object-fit:cover;object-position:left center;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:#0000002e}.image-attachment-footer{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:flex-start;gap:10px 12px;width:min(260px,100%);max-width:100%}.image-attachment-meta{display:grid;gap:4px;align-self:start;grid-column:1 / 2;grid-row:1;order:1}.image-attachment-name{font-size:13px;font-weight:600;word-break:break-word;line-height:1.3}.image-attachment-card .download-btn{align-self:start;justify-self:end;grid-column:2 / 3;grid-row:1}.lightbox-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1200;background:#000000e0;padding:24px;display:grid;place-items:center}.lightbox-shell{width:min(96vw,1400px);max-height:92vh;display:grid;grid-template-rows:auto minmax(0,1fr);gap:16px}.lightbox-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;color:#fff}.lightbox-meta{display:grid;gap:4px;min-width:0}.lightbox-meta strong,.lightbox-meta span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lightbox-actions{display:inline-flex;align-items:center;gap:10px}.lightbox-close{margin:0}.lightbox-image-wrap{min-height:0;overflow:auto;display:grid;place-items:center;border-radius:20px;background:#ffffff08;border:1px solid rgba(255,255,255,.08);padding:16px}.lightbox-image{display:block;width:auto;height:auto;max-width:100%;max-height:calc(92vh - 120px);object-fit:contain;border-radius:14px}@media(max-width:900px){.chat-header.compact{padding:10px 16px}.chat-header-row.compact{gap:12px}.chat-title-row h2{font-size:18px}.image-attachment-card{width:100%}.image-attachment-link,.image-attachment-footer{width:min(220px,100%)}.message-image{height:100px;max-width:220px}.lightbox-backdrop{padding:16px}.lightbox-shell{width:100%;max-height:94vh}.call-incoming-banner,.call-floating-banner{right:16px;bottom:16px;width:calc(100% - 32px)}.call-session-backdrop{padding:72px 16px 16px}.call-panel-modal{width:calc(100vw - 32px);max-height:calc(100vh - 88px);border-radius:18px;overflow:auto}.call-panel-header-actions{justify-content:space-between}.call-modal-backdrop{padding:16px}.call-modal{padding:20px 16px;border-radius:18px}.call-panel{padding:14px 16px}.lightbox-toolbar{align-items:flex-start;flex-direction:column}.lightbox-actions{width:100%;justify-content:flex-end}}