:root{--primary: #b91c1c;--primary-dark: #7f1d1d;--text: #1f2937;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f3f4f6;--side-bg: #1f2937;--side-text: #d1d5db;--font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif;font-family:var(--font-stack);font-size:14px;line-height:1.5;color:var(--text);background-color:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}h1{font-size:20px;margin:0 0 16px}h2{font-size:16px;margin:24px 0 8px}button{cursor:pointer;font-family:inherit}button:disabled{cursor:not-allowed;opacity:.6}input,select,textarea{font-family:inherit;font-size:inherit;padding:6px 8px;border:1px solid #d1d5db;border-radius:6px;background:#fff}input:focus,select:focus,textarea:focus{outline:2px solid rgba(185,28,28,.25);border-color:var(--primary)}table{border-collapse:collapse;width:100%;background:#fff}th,td{padding:6px 10px;border:1px solid var(--border);text-align:left;vertical-align:top}th{background-color:#f9fafb;font-weight:600;white-space:nowrap}a{color:var(--primary)}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh;font-size:18px;color:var(--text-muted)}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background-color:var(--side-bg);color:#f9fafb;padding:16px;display:flex;flex-direction:column;flex-shrink:0}.sidebar h1{font-size:18px;margin:0 0 24px}.sidebar h1 .mark{display:inline-block;width:28px;height:28px;line-height:28px;text-align:center;border-radius:6px;background:var(--primary);color:#fff;margin-right:8px;font-size:15px}.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar nav a{color:var(--side-text);text-decoration:none;padding:8px 12px;border-radius:6px}.sidebar nav a:hover,.sidebar nav a.active{background-color:#374151;color:#fff}.sidebar .userbox{margin-top:auto;font-size:12px;color:#9ca3af;border-top:1px solid #374151;padding-top:12px}.sidebar .userbox button{background:transparent;color:var(--side-text);border:1px solid #4b5563;border-radius:4px;padding:4px 10px;margin-top:8px;width:100%}.main-content{flex:1;padding:24px;min-width:0}@media (max-width: 720px){.layout{flex-direction:column}.sidebar{width:100%}.sidebar nav{flex-direction:row;flex-wrap:wrap}.main-content{padding:16px}}.btn{padding:6px 14px;border-radius:6px;border:1px solid #d1d5db;background:#fff;color:var(--text);font-size:14px}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-danger{background:#fff;border-color:#dc2626;color:#dc2626}.btn-block{width:100%;padding:10px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}.tabs button{border:1px solid var(--border);background:#fff;padding:6px 12px;border-radius:999px}.tabs button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#e5e7eb;color:#374151;white-space:nowrap}.badge-draft{background:#e5e7eb}.badge-sent{background:#dbeafe;color:#1e40af}.badge-in_progress{background:#fef3c7;color:#92400e}.badge-completed{background:#d1fae5;color:#065f46}.badge-declined,.badge-canceled,.badge-expired{background:#fee2e2;color:#991b1b}.badge-waiting{background:#f3f4f6;color:#6b7280}.badge-pending{background:#fef3c7;color:#92400e}.badge-signed{background:#d1fae5;color:#065f46}.badge-resent{background:#ede9fe;color:#5b21b6;margin-left:6px}.alert{padding:10px 12px;border-radius:6px;margin-bottom:12px}.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px;margin-bottom:16px}.field{margin-bottom:12px}.field label{display:block;font-weight:600;margin-bottom:4px}.field input,.field select,.field textarea{width:100%}.field-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.muted{color:var(--text-muted);font-size:12px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;word-break:break-all}.num{text-align:right;white-space:nowrap}.access-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:22px;letter-spacing:4px;font-weight:700}.login-screen{display:flex;justify-content:center;align-items:center;min-height:100vh;background:#f9fafb;padding:16px}.login-card{background:#fff;border-radius:12px;box-shadow:0 10px 15px -3px #0000001a;padding:32px;width:100%;max-width:400px}.login-title{text-align:center;color:var(--primary);font-size:28px;margin-bottom:4px}.login-lead,.login-note{text-align:center;color:var(--text-muted);font-size:13px}.login-links{display:flex;justify-content:center;gap:16px;margin:12px 0 4px;font-size:13px}.link-button{background:none;border:none;padding:0;color:var(--primary);text-decoration:underline;font-size:inherit}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:3000;display:flex;align-items:center;justify-content:center;background:#1118278c;padding:16px}.modal-card{width:100%;max-width:420px;padding:24px;background:#fff;border-radius:10px;box-shadow:0 20px 40px #00000040}.modal-title{margin:0 0 8px;font-size:18px;color:#b45309}.modal-lead{margin:0 0 16px;line-height:1.6;color:#4b5563}.modal-card input[readonly]{background:#f3f4f6;color:var(--text-muted)}.modal-actions{display:flex;flex-direction:column;gap:8px;margin-top:16px}.sign-screen{max-width:640px;margin:0 auto;padding:16px}.sign-header{display:flex;align-items:center;gap:8px;margin-bottom:16px;color:var(--primary);font-weight:700;font-size:18px}.sign-steps{display:flex;gap:4px;margin-bottom:16px;font-size:12px;color:var(--text-muted)}.sign-steps span{flex:1;padding:4px;text-align:center;border-bottom:3px solid var(--border)}.sign-steps span.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.sign-screen .btn-block{margin-top:8px}.checkbox-row{display:flex;align-items:flex-start;gap:8px;margin:12px 0}.checkbox-row input{width:auto;margin-top:4px}.pdf-frame{width:100%;height:60vh;border:1px solid var(--border);border-radius:6px;background:#fff}.field-label{display:block;font-weight:600;margin-bottom:4px}.pdf-editor-body{background:#9ca3af;padding:12px;border-radius:6px;overflow:auto;-webkit-user-select:none;user-select:none}.pdf-viewer-body{background:#e5e7eb;padding:8px;border-radius:6px;max-height:70vh;overflow:auto}.pdf-page{position:relative;margin:0 auto 12px;background:#fff;box-shadow:0 1px 3px #00000040;min-height:120px}.pdf-canvas{display:block;max-width:100%}.pdf-overlay{position:absolute;top:0;right:0;bottom:0;left:0}.sig-field{position:absolute;border:2px solid;border-radius:4px;font-size:12px;cursor:move;touch-action:none}.sig-field:focus{outline:2px solid rgba(29,78,216,.5)}.sig-field-dragging{box-shadow:0 4px 12px #00000040}.sig-field-readonly{cursor:default;border-style:dashed}.sig-field-label{position:absolute;left:-2px;top:-2px;max-width:calc(100% + 4px);padding:1px 6px;border-radius:3px 0 4px;color:#fff;font-size:11px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none}.sig-field-delete{position:absolute;right:-10px;top:-10px;width:20px;height:20px;padding:0;border-radius:50%;border:1px solid #d1d5db;background:#fff;color:#374151;font-size:13px;line-height:1}.sig-handle{position:absolute;width:12px;height:12px;border:2px solid currentColor;border-radius:2px;background:#fff;touch-action:none}.sig-handle-nw{left:-7px;top:-7px;cursor:nwse-resize}.sig-handle-ne{right:-7px;top:-7px;cursor:nesw-resize}.sig-handle-sw{left:-7px;bottom:-7px;cursor:nesw-resize}.sig-handle-se{right:-7px;bottom:-7px;cursor:nwse-resize}.signer-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px;vertical-align:middle}.signature-pad-canvas{display:block;width:100%;height:160px;border:1px dashed #9ca3af;border-radius:6px;background:#fff;touch-action:none}.dropzone{border:2px dashed #9ca3af;border-radius:8px;padding:24px 16px;text-align:center;cursor:pointer;background:#f9fafb}.dropzone:hover,.dropzone:focus-visible,.dropzone.dragover{border-color:var(--primary);background:#fef2f2;outline:none}