:root{--bg-canvas:#f8fafc;--bg-surface:#fff;--border-subtle:#e2e8f0;--border-strong:#cbd5e1;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#64748b;--primary-btn:#0f172a;--primary-btn-hover:#1e293b;--primary-btn-text:#fff;--danger-btn:#b91c1c;--danger-btn-hover:#991b1b;--danger-btn-text:#fff;--success-bg:#f0fdf4;--success-text:#15803d;--success-border:#bbf7d0;--warning-bg:#fffbeb;--warning-text:#b45309;--warning-border:#fde68a;--radius:8px;--radius-sm:6px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-canvas);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}button,input,select,textarea{font:inherit}button:not(:disabled),select:not(:disabled),label[for]{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline-offset:2px;outline:2px solid #2563eb}.caller-container{max-width:520px;margin:0 auto;padding:24px 16px 48px}.caller-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:24px;box-shadow:0 1px 3px #0000000d}.caller-header{margin-bottom:20px}.caller-title{color:var(--text-primary);margin-bottom:6px;font-size:1.25rem;font-weight:600}.caller-subtitle{color:var(--text-secondary);font-size:.875rem}.form-group{margin-bottom:16px}.form-label{color:var(--text-primary);margin-bottom:6px;font-size:.875rem;font-weight:500;display:block}.form-input,.form-select{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-surface);width:100%;min-height:44px;color:var(--text-primary);padding:8px 12px;font-size:.9375rem}.form-input:disabled,.form-select:disabled{color:var(--text-tertiary);cursor:not-allowed;background:#f1f5f9}.btn-primary{background:var(--primary-btn);width:100%;min-height:48px;color:var(--primary-btn-text);border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;padding:12px 20px;font-size:1rem;font-weight:500;transition:background-color .15s;display:inline-flex}.btn-primary:hover:not(:disabled){background:var(--primary-btn-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-danger{background:var(--danger-btn);width:100%;min-height:48px;color:var(--danger-btn-text);border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;padding:12px 20px;font-size:1rem;font-weight:500;transition:background-color .15s;display:inline-flex}.btn-danger:hover:not(:disabled){background:var(--danger-btn-hover)}.btn-danger:disabled,.btn-secondary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--bg-surface);min-height:44px;color:var(--text-primary);border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;justify-content:center;align-items:center;padding:8px 16px;font-size:.875rem;font-weight:500;display:inline-flex}.btn-secondary:hover:not(:disabled){background:#f1f5f9}.badge{letter-spacing:.025em;text-transform:uppercase;border-radius:9999px;align-items:center;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-queued{background:var(--warning-bg);color:var(--warning-text);border:1px solid var(--warning-border)}.badge-active{background:var(--success-bg);color:var(--success-text);border:1px solid var(--success-border)}.badge-ended{color:var(--text-secondary);border:1px solid var(--border-subtle);background:#f1f5f9}.badge-phase2{color:var(--text-secondary);border:1px dashed var(--border-strong);text-transform:none;background:#f1f5f9;font-weight:500}.phase2-card{border:1.5px dashed var(--border-strong);border-radius:var(--radius);cursor:not-allowed;-webkit-user-select:none;user-select:none;background:#f8fafc;margin-top:18px;margin-bottom:20px;padding:14px 16px}.phase2-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.phase2-title{color:var(--text-secondary);font-size:.875rem;font-weight:600}.phase2-desc{color:var(--text-tertiary);font-size:.8125rem;line-height:1.4}.timer-display{font-variant-numeric:tabular-nums;letter-spacing:.05em;text-align:center;margin:16px 0;font-size:2rem;font-weight:700}.position-display{color:var(--warning-text);text-align:center;margin:12px 0;font-size:1.75rem;font-weight:700}.call-id-box{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-secondary);word-break:break-all;-webkit-user-select:all;user-select:all;background:#f1f5f9;margin-top:6px;padding:8px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8125rem}