:root{--kalc-navy: #0b1f3a;--kalc-teal: #00c4b4;--kalc-critical: #d93025;--kalc-high: #f5a623;--kalc-low: #1a8a5a;--kalc-bg: #f4f6f9;--kalc-text-muted: #5a6778;--kalc-border: #dde3ea;font-family:Inter,Segoe UI,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--kalc-bg);color:var(--kalc-navy)}.page,.page-centered{max-width:960px;margin:0 auto;padding:32px 24px}.page-centered{text-align:center;padding-top:80px}h1{font-size:24px}a{color:var(--kalc-teal)}.btn-primary{display:inline-block;background:var(--kalc-teal);color:var(--kalc-navy);font-weight:700;padding:10px 20px;border-radius:8px;text-decoration:none;margin-top:16px}button{background:var(--kalc-teal);color:var(--kalc-navy);border:none;border-radius:6px;padding:8px 16px;font-weight:600;cursor:pointer}button:disabled{opacity:.6;cursor:default}.hint-error{color:var(--kalc-critical)}.hint-muted{color:var(--kalc-text-muted);font-size:13px}.sign-in-form{display:inline-flex;flex-direction:column;gap:12px;text-align:left;min-width:280px}.sign-in-form label{display:flex;flex-direction:column;gap:4px;font-size:13px}.sign-in-form input{padding:8px 10px;border:1px solid var(--kalc-border);border-radius:6px}.model-table{width:100%;border-collapse:collapse}.model-table th,.model-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--kalc-border)}.severity-badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:700}.severity-critical{background:#d930251f;color:var(--kalc-critical)}.severity-high{background:#f5a62324;color:var(--kalc-high)}.severity-clear{background:#1a8a5a1f;color:var(--kalc-low)}.content-changed-tag{display:inline-block;font-size:12px;font-weight:600;margin-bottom:12px}.version-timeline{list-style:none;padding:0;display:flex;flex-direction:column;gap:16px}.version-timeline-item{border:1px solid var(--kalc-border);border-radius:8px;padding:16px;background:#fff}.version-timeline-header{display:flex;justify-content:space-between;margin-bottom:8px;color:var(--kalc-text-muted);font-size:13px}.diff-delta-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:4px}.diff-delta-list li{display:flex;justify-content:space-between;padding:8px 12px;border:1px solid var(--kalc-border);border-radius:6px;background:#fff}.delta-good{color:var(--kalc-low)}.delta-bad{color:var(--kalc-critical)}.delta-neutral{color:var(--kalc-text-muted)}