.developer-shell { max-width: 1080px; }
.developer-intro { max-width: 740px; padding: 58px 0 30px; }
.developer-intro h1 { margin: 14px 0; font-size: clamp(32px, 5vw, 54px); line-height: 1.1; letter-spacing: -.035em; }
.developer-intro p { color: #afc4d8; font-size: 17px; line-height: 1.65; }
.developer-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 24px; align-items: start; }
.developer-card { padding: 28px; border: 1px solid #29465f; border-radius: 18px; background: #0b1928; }
.developer-card h2 { margin: 0 0 16px; font-size: 23px; }
.developer-card p { line-height: 1.65; }
.developer-guide { display: grid; gap: 16px; }
.developer-guide .eyebrow { display: block; margin-bottom: 12px; }
#developer-login { display: grid; gap: 12px; margin-top: 24px; }
#developer-login > input { width: 100%; padding: 13px; border: 1px solid #4c6a87; border-radius: 8px; background: #06101b; color: #eef5fc; font: inherit; }
#developer-login > label { font-weight: 600; }
.developer-remember { display: flex; gap: 10px; align-items: center; font-size: 14px; }
.developer-card button { padding: 12px 18px; border: 1px solid #5689b7; border-radius: 9px; background: #175e9b; color: white; font: inherit; cursor: pointer; }
.developer-card button:disabled { opacity: .5; cursor: not-allowed; }
.developer-hint { color: #a4bbcf; font-size: 13px; }
#access-status { padding: 12px; border-left: 3px solid #e8bc59; background: #152535; }
#access-error { color: #ffc7c7; }
#developer-retry { margin-top: 18px; background: transparent; }
#developer-connection { display: grid; gap: 8px; }
#developer-connection dt { color: #a4bbcf; font-size: 13px; }
#developer-connection dd { margin: 0 0 12px; overflow-wrap: anywhere; }
.developer-shell :focus-visible { outline: 3px solid #80bdff; outline-offset: 3px; }
@media (max-width: 720px) { .developer-layout { grid-template-columns: 1fr; } .developer-card { padding: 22px; } .developer-intro { padding-top: 35px; } }