:root{--bg: #f5f6f8;--card: #ffffff;--surface: #f1f3f6;--field: #ffffff;--line: #e0e3ea;--text: #1a1d23;--muted: #6b7280;--accent: #2563eb;--green: #16a34a;--red: #dc2626;--amber: #d97706;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .06);color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.5 system-ui,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:1100px;margin:0 auto;padding:24px 16px 48px}.app-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px}.app-head h1{font-size:20px;margin:0}.badge{font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--muted)}.badge-registered{color:var(--green);border-color:color-mix(in srgb,var(--green) 35%,transparent);background:color-mix(in srgb,var(--green) 8%,#fff)}.badge-connecting{color:var(--amber);border-color:color-mix(in srgb,var(--amber) 35%,transparent);background:color-mix(in srgb,var(--amber) 8%,#fff)}.badge-failed{color:var(--red);border-color:color-mix(in srgb,var(--red) 35%,transparent);background:color-mix(in srgb,var(--red) 8%,#fff)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;align-items:start}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow)}.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.card-head h2{font-size:12px;margin:0;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:8px}.row>*{flex:1}label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}input{background:var(--field);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:9px 11px;font:inherit;width:100%}input::placeholder{color:color-mix(in srgb,var(--muted) 65%,transparent)}input:focus{outline:3px solid color-mix(in srgb,var(--accent) 18%,transparent);outline-offset:0;border-color:var(--accent)}input:disabled{background:var(--surface);color:var(--muted)}select{background:var(--field);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:9px 11px;font:inherit;width:100%;cursor:pointer}select:focus{outline:3px solid color-mix(in srgb,var(--accent) 18%,transparent);border-color:var(--accent)}.hint{font-size:12px;margin:0}.result{margin:0;padding:9px 11px;border-radius:8px;font-size:12.5px;border:1px solid}.result-success{color:color-mix(in srgb,var(--green) 80%,#000);background:color-mix(in srgb,var(--green) 8%,#fff);border-color:color-mix(in srgb,var(--green) 30%,transparent)}.result a{color:inherit;font-weight:600}.result code,.hint code{background:color-mix(in srgb,var(--text) 8%,transparent);border-radius:4px;padding:1px 5px;font-size:11.5px}.advanced{border:1px solid var(--line);border-radius:8px;padding:8px 11px}.advanced>summary{cursor:pointer;font-size:12px;color:var(--muted);list-style:none}.advanced>summary:before{content:"▸ "}.advanced[open]>summary:before{content:"▾ "}.advanced>summary:hover{color:var(--text)}.advanced-body{margin-top:10px}.result-error{color:color-mix(in srgb,var(--red) 85%,#000);background:color-mix(in srgb,var(--red) 7%,#fff);border-color:color-mix(in srgb,var(--red) 30%,transparent)}.input-wrap{position:relative;display:flex}.input-wrap>input{padding-right:40px}.input-affix{position:absolute;right:5px;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer;transition:background .12s ease,color .12s ease}.input-affix:hover{background:var(--surface);color:var(--text)}.input-affix:focus-visible{outline:2px solid color-mix(in srgb,var(--accent) 45%,transparent)}.number-row{display:flex;gap:8px;align-items:center}.number-input{font-size:20px;letter-spacing:.06em;text-align:center}.btn{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:8px;padding:10px 14px;font:inherit;cursor:pointer;transition:background .12s ease,filter .12s ease}.btn:hover:not(:disabled){background:color-mix(in srgb,var(--text) 7%,var(--surface))}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.sm{padding:5px 10px;font-size:12px}.btn.ghost{background:transparent;color:var(--muted)}.btn.ghost:hover:not(:disabled){background:var(--surface);color:var(--text)}.btn.primary,.btn.call,.btn.hangup,.btn.active{color:#fff}.btn.primary:hover:not(:disabled),.btn.call:hover:not(:disabled),.btn.hangup:hover:not(:disabled),.btn.active:hover:not(:disabled){filter:brightness(.92)}.btn.primary{background:var(--accent);border-color:var(--accent)}.btn.call{background:var(--green);border-color:var(--green);font-weight:600}.btn.hangup{background:var(--red);border-color:var(--red);font-weight:600}.btn.active{background:var(--amber);border-color:var(--amber)}.dialpad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.key{background:var(--card);border:1px solid var(--line);border-radius:10px;color:var(--text);padding:8px 0;cursor:pointer;display:flex;flex-direction:column;align-items:center;line-height:1.1;transition:background .12s ease}.key:hover{background:var(--surface)}.key:active{background:color-mix(in srgb,var(--accent) 10%,var(--card));border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.key-digit{font-size:19px}.key-letters{font-size:9px;color:var(--muted);letter-spacing:.1em;min-height:11px}.call-panel{min-height:200px}.call-remote{display:flex;flex-direction:column;gap:4px;align-items:center;padding:16px 0;text-align:center}.call-dir{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.call-number{font-size:26px;letter-spacing:.03em}.call-state{font-size:12px;color:var(--muted);display:flex;gap:8px}.timer{color:var(--green);font-variant-numeric:tabular-nums;font-weight:600}.session-id{font-size:11px;color:var(--muted);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:3px 8px;margin-top:6px}.logs{grid-column:1 / -1}.log-list{list-style:none;margin:0;padding:0;max-height:260px;overflow-y:auto;font-family:ui-monospace,Cascadia Code,monospace;font-size:12px}.log{display:flex;gap:10px;padding:5px 0;border-bottom:1px solid var(--line)}.log:last-child{border-bottom:none}.log time{color:var(--muted);flex-shrink:0}.log-info span{color:#374151}.log-success span{color:var(--green)}.log-warn span{color:var(--amber)}.log-error span{color:var(--red)}.log-empty{color:var(--muted);padding:8px 0}.muted{color:var(--muted)}.center{text-align:center}.pad{padding:48px 0}