:root{--navy:#0b2238;--ink:#142e42;--muted:#536776;--cyan:#73d5e3;--blue:#0563bb;--line:#dce5eb;--paper:#f3f7fa}
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/* Existing installation update setup */
.existing-users{margin-top:44px;padding:30px;border:1px solid #355166;border-radius:10px;background:rgba(255,255,255,.035)}
.update-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:24px}
.existing-users h3{font-size:1.65rem;letter-spacing:-.035em;color:#fff;margin:0 0 12px}
.existing-users .eyebrow{color:var(--cyan);margin-bottom:10px}
.update-heading p:last-child{max-width:660px;color:#c1d2dd;font-size:.9rem;margin-bottom:0}
.update-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid #496375;border-radius:40px;padding:7px 12px;white-space:nowrap;font-size:.72rem;color:#c6e9ed}
.update-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:24px}
.update-checksum{font-size:.8rem;color:var(--cyan)}
.update-requirements{color:#abc0cd;font-size:.73rem;margin:14px 0 24px}
.update-instructions{border-top:1px solid #355166}
.update-instructions summary{display:flex;justify-content:space-between;align-items:center;cursor:pointer;list-style:none;padding:18px 0 0;font-size:.88rem;font-weight:600;color:#e8f2f6}
.update-instructions summary::-webkit-details-marker{display:none}
.update-instructions summary span{font-size:1.3rem;color:var(--cyan)}
.update-instructions[open] summary span{transform:rotate(45deg)}
.update-instructions ol{padding-left:22px;margin:22px 0;color:#d3e0e7;font-size:.86rem}
.update-instructions li{padding-left:6px;margin-bottom:18px}
.update-instructions pre{margin:12px 0 0;padding:13px 16px;background:#071b2c;border:1px solid #355166;border-radius:6px;overflow-x:auto;color:#e1f5f7;font-size:.8rem}
.update-instructions>p{font-size:.8rem;color:#abc0cd;max-width:850px}
.update-fingerprint{margin-bottom:0}
.update-fingerprint code{color:#c6e9ed;overflow-wrap:anywhere;font-size:.75rem}
@media(max-width:767px){.existing-users{padding:22px;margin-top:32px}.update-heading{display:block}.update-badge{margin-top:18px}.existing-users h3{font-size:1.4rem}.update-actions{gap:16px}.update-instructions pre{font-size:.72rem;padding:12px}.update-requirements{line-height:1.8}}