:root{--color-bg: #0f1117;--color-surface: #1a1d27;--color-border: #2a2d3a;--color-primary: #4f8ef7;--color-danger: #f74f4f;--color-success: #4fce82;--color-muted: #6b7280;--color-text: #e2e8f0;--color-text-soft: #94a3b8;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.4);font-size:15px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;height:100dvh;overflow:hidden}.app{display:flex;flex-direction:column;height:100dvh}.app__header{display:flex;align-items:center;gap:1rem;padding:.75rem 1.25rem;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0}.app__logo{font-size:1.1rem;font-weight:700;margin-right:auto}.app__user-id{font-size:.75rem;color:var(--color-muted)}.app__ws-status{font-size:.8rem}.app__ws-status--open{color:var(--color-success)}.app__ws-status--connecting{color:#fbbf24}.app__ws-status--closed,.app__ws-status--error{color:var(--color-danger)}.app__body{display:flex;flex:1;overflow:hidden}.app__sidebar{width:260px;flex-shrink:0;border-right:1px solid var(--color-border);overflow-y:auto;background:var(--color-surface)}.app__main{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.app__tabs{display:flex;gap:.25rem;padding:.5rem 1rem 0;border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0}.app__tab{padding:.4rem 1rem;border:none;background:none;color:var(--color-muted);cursor:pointer;border-radius:var(--radius) var(--radius) 0 0;font-size:.875rem}.app__tab--active{color:var(--color-primary);border-bottom:2px solid var(--color-primary)}.app__chat-row{display:flex;flex:1;overflow:hidden}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:none;cursor:pointer;border-radius:var(--radius);font-size:.875rem;font-weight:500;transition:opacity .15s;padding:.5rem 1rem}.btn:disabled{opacity:.4;cursor:not-allowed}.btn--icon{padding:.5rem;font-size:1.1rem;background:var(--color-border);color:var(--color-text)}.btn--icon.btn--active{background:var(--color-primary)}.btn--call{background:var(--color-success);color:#000}.btn--chat{background:var(--color-primary);color:#fff}.btn--answer{background:var(--color-success);color:#000;padding:.75rem 2rem;font-size:1rem}.btn--reject{background:var(--color-danger);color:#fff;padding:.75rem 2rem;font-size:1rem}.btn--hangup{background:var(--color-danger);color:#fff;font-size:1.4rem;border-radius:50%;width:56px;height:56px}.btn--send,.btn--primary{background:var(--color-primary);color:#fff}.btn--danger{background:var(--color-danger);color:#fff}.btn--ghost{background:transparent;color:var(--color-text-soft);border:1px solid var(--color-border)}.btn--sm{padding:.3rem .75rem;font-size:.8rem}.user-list{padding:1rem}.user-list__title{font-size:.8rem;text-transform:uppercase;color:var(--color-muted);margin-bottom:.75rem;letter-spacing:.05em}.user-list__items{list-style:none;display:flex;flex-direction:column;gap:.5rem}.user-list__item{display:flex;align-items:center;gap:.75rem;padding:.6rem .5rem;border-radius:var(--radius);transition:background .1s}.user-list__item:hover{background:var(--color-border)}.user-list__avatar{position:relative;flex-shrink:0}.user-list__avatar img{width:36px;height:36px;border-radius:50%}.user-list__initials{width:36px;height:36px;border-radius:50%;background:var(--color-primary);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}.user-list__status-dot{position:absolute;bottom:0;right:0;width:10px;height:10px;border-radius:50%;background:var(--color-success);border:2px solid var(--color-surface)}.user-list__info{flex:1;min-width:0}.user-list__name{display:block;font-size:.875rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-list__username{display:block;font-size:.75rem;color:var(--color-muted)}.user-list__actions{display:flex;gap:.25rem}.user-list--empty p{color:var(--color-muted);font-size:.875rem}.call-screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:100;background:#000;display:flex;flex-direction:column;align-items:center;justify-content:center}.call-screen--ringing .call-screen__ring-info{text-align:center;margin-bottom:2rem}.call-screen__ring-avatar{font-size:4rem;margin-bottom:.5rem}.call-screen__ring-label{color:var(--color-muted)}.call-screen__ring-from{font-size:1.4rem;font-weight:700;margin-top:.25rem}.call-screen__ring-actions{display:flex;gap:2rem}.call-screen--calling .call-screen__status{font-size:1.1rem;color:var(--color-text-soft);margin-bottom:2rem}.call-screen--active{position:absolute;top:0;right:0;bottom:0;left:0}.call-screen__remote-video{width:100%;height:100%;object-fit:cover}.call-screen__local-video{position:absolute;bottom:80px;right:16px;width:160px;height:120px;border-radius:var(--radius);border:2px solid var(--color-border);object-fit:cover}.call-screen__controls{position:absolute;bottom:16px;left:50%;transform:translate(-50%);display:flex;gap:1rem;align-items:center}.chat-panel{display:flex;flex-direction:column;flex:1;overflow:hidden;border-right:1px solid var(--color-border)}.chat-panel__header{padding:.75rem 1rem;border-bottom:1px solid var(--color-border);flex-shrink:0}.chat-panel__header h3{font-size:.9rem}.chat-panel__messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.5rem}.chat-panel__empty{color:var(--color-muted);font-size:.875rem;text-align:center;margin-top:2rem}.chat-panel__bubble{max-width:70%;padding:.5rem .75rem;border-radius:var(--radius)}.chat-panel__bubble--mine{align-self:flex-end;background:var(--color-primary);color:#fff}.chat-panel__bubble--theirs{align-self:flex-start;background:var(--color-surface);border:1px solid var(--color-border)}.chat-panel__body{font-size:.875rem;line-height:1.4}.chat-panel__time{display:block;font-size:.7rem;opacity:.65;margin-top:.2rem;text-align:right}.chat-panel__form{display:flex;gap:.5rem;padding:.75rem;border-top:1px solid var(--color-border);flex-shrink:0}.chat-panel__input{flex:1;background:var(--color-border);border:none;border-radius:var(--radius);padding:.5rem .75rem;color:var(--color-text);font-size:.875rem}.chat-panel__input:focus{outline:2px solid var(--color-primary)}.transcript-panel{display:flex;flex-direction:column;width:280px;flex-shrink:0;overflow:hidden}.transcript-panel__header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid var(--color-border);flex-shrink:0}.transcript-panel__header h3{font-size:.9rem}.transcript-panel__live-badge{color:var(--color-danger);animation:pulse 1.2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.3}}.transcript-panel__controls{display:flex;gap:.4rem}.transcript-panel__lines{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.4rem}.transcript-panel__empty{color:var(--color-muted);font-size:.85rem;text-align:center;margin-top:2rem}.transcript-panel__line{font-size:.85rem;line-height:1.5}.transcript-panel__line--interim{color:var(--color-muted);font-style:italic}.transcript-panel--unsupported{padding:1rem;color:var(--color-muted);font-size:.875rem}.call-history{flex:1;overflow-y:auto;padding:1rem}.call-history__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.call-history__header h2{font-size:1rem}.call-history__empty,.call-history__loading{color:var(--color-muted);font-size:.875rem;text-align:center;padding:2rem}.call-history__error{color:var(--color-danger);font-size:.875rem;margin-bottom:1rem}.call-history__list{list-style:none;display:flex;flex-direction:column;gap:.5rem}.call-history__row{width:100%;display:flex;align-items:center;gap:.75rem;padding:.6rem .75rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;text-align:left;color:var(--color-text);font-size:.85rem}.call-history__row:hover{border-color:var(--color-primary)}.call-history__direction{font-size:1rem}.call-history__peer{font-weight:500;flex:1}.call-history__status{color:var(--color-muted)}.call-history__duration{font-variant-numeric:tabular-nums;color:var(--color-text-soft)}.call-history__date{color:var(--color-muted);font-size:.78rem;margin-left:auto}.call-history__video-badge{font-size:.9rem}.call-history__transcript{padding:.75rem;background:var(--color-bg);border:1px solid var(--color-border);border-top:none;border-radius:0 0 var(--radius) var(--radius);font-size:.82rem;color:var(--color-text-soft);line-height:1.5}.call-history__transcript h4{font-size:.78rem;text-transform:uppercase;color:var(--color-muted);margin-bottom:.4rem}.call-history__load-more{width:100%;margin-top:1rem}