.developer-body { padding: 0; min-height: 100vh; }
.developer-topbar {
  height: 64px; padding: 0 28px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 20; background: var(--nav-bg); border-bottom: 1px solid var(--hair);
  backdrop-filter: blur(18px);
}
.developer-topbar nav { display: flex; align-items: center; gap: 22px; }
.developer-topbar nav a, .text-button {
  color: var(--muted); font: inherit; font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
}
.text-button { border: 0; background: transparent; cursor: pointer; padding: 0; }
.developer-gate { max-width: 720px; margin: 14vh auto 0; padding: 32px; text-align: center; }
.developer-gate h1 { font-size: clamp(42px, 7vw, 72px); line-height: 1; margin: 20px 0; }
.developer-gate p { max-width: 590px; margin: 0 auto 30px; color: var(--muted); font-size: 18px; }
.developer-shell { min-height: calc(100vh - 64px); display: grid; grid-template-columns: 270px minmax(0, 1fr); }
.developer-sidebar { border-right: 1px solid var(--hair); padding: 28px 18px; background: color-mix(in srgb, var(--glass) 45%, transparent); }
.sidebar-heading { display: flex; justify-content: space-between; align-items: center; padding: 0 8px 16px; font-size: 11px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.icon-button { width: 30px; height: 30px; border: 1px solid var(--hair); border-radius: 6px; background: var(--glass); color: var(--text); cursor: pointer; font-size: 18px; line-height: 1; }
.app-list { display: grid; gap: 5px; margin-bottom: 16px; }
.app-list button { width: 100%; text-align: left; padding: 12px; border: 1px solid transparent; border-radius: 7px; color: var(--text); background: transparent; cursor: pointer; }
.app-list button:hover, .app-list button.active { background: var(--glass); border-color: var(--hair); }
.app-list small { display: block; color: var(--muted); margin-top: 3px; overflow: hidden; text-overflow: ellipsis; }
.developer-content { padding: clamp(28px, 5vw, 64px); max-width: 1120px; width: 100%; }
.platform-hero { display: flex; justify-content: space-between; gap: 26px; align-items: flex-start; margin-bottom: 42px; }
.platform-hero h1 { margin: 8px 0; font-size: clamp(34px, 5vw, 56px); line-height: 1.05; }
.platform-hero p { color: var(--muted); max-width: 650px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.detail-grid .wide { grid-column: 1 / -1; }
.platform-card { padding: 22px; border: 1px solid var(--hair); background: var(--glass); border-radius: var(--radius); }
.platform-card h2, .platform-card h3 { margin: 0 0 14px; }
.platform-card .mono { overflow-wrap: anywhere; }
.meta-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: 13px; }
.status-chip { border: 1px solid var(--hair); padding: 4px 8px; border-radius: 5px; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-top: 20px; }
.choice-grid > strong { grid-column: 1 / -1; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.choice { display: flex; gap: 9px; align-items: flex-start; padding: 10px; border: 1px solid var(--hair); border-radius: 7px; color: var(--muted); font-size: 13px; }
.choice { margin: 0; text-transform: none; letter-spacing: 0; font-weight: 400; }
.choice input { width: auto; margin-top: 4px; }
.choice span { color: var(--text); display: block; }
.version-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 12px; padding: 12px 0; border-top: 1px solid var(--hair); }
.version-row:first-of-type { border-top: 0; }
.inline-form { display: grid; grid-template-columns: 140px minmax(180px, 1fr) auto; gap: 10px; align-items: end; margin-top: 18px; }
.inline-form label { margin: 0; }
.developer-dialog { width: min(680px, calc(100vw - 30px)); max-height: calc(100vh - 30px); overflow: auto; color: var(--text); background: var(--void); border: 1px solid var(--hair-2); border-radius: 12px; padding: 24px; box-shadow: var(--card-shadow); }
.developer-dialog::backdrop { background: rgba(0,0,0,.42); backdrop-filter: blur(4px); }
.dialog-heading, .dialog-actions { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.dialog-heading h2 { margin: 3px 0 0; }
.dialog-actions { justify-content: flex-end; margin-top: 24px; }
.empty-state { min-height: 58vh; display: grid; place-items: center; text-align: center; }
.empty-state > div { max-width: 550px; }
.empty-state h1 { font-size: clamp(40px, 6vw, 64px); margin: 12px 0; }
@media (max-width: 760px) {
  .developer-shell { grid-template-columns: 1fr; }
  .developer-sidebar { border-right: 0; border-bottom: 1px solid var(--hair); padding: 14px; }
  .app-list { display: flex; overflow-x: auto; }
  .app-list button { min-width: 190px; }
  .developer-content { padding: 26px 18px; }
  .detail-grid { grid-template-columns: 1fr; }
  .platform-hero { display: block; }
  .choice-grid { grid-template-columns: 1fr; }
  .inline-form { grid-template-columns: 1fr; }
}