.platform-header {
  min-height: 60px;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.platform-brand { display: inline-flex; align-items: center; gap: 7px; color: var(--text); font-weight: 750; text-decoration: none; white-space: nowrap; }
.platform-header .spacer { flex: 1; }
.platform-account {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
}
.platform-account:hover { border-color: var(--accent); color: var(--text); }

.platform-main { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 36px 0 64px; }
.platform-eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.platform-title { margin: 0; font-size: clamp(26px, 4vw, 42px); line-height: 1.15; }
.platform-subtitle { max-width: 720px; margin: 12px 0 0; color: var(--muted); font-size: 15px; }

.platform-empty {
  width: min(680px, calc(100% - 32px));
  margin: 64px auto;
  padding: 40px;
  text-align: center;
}
.platform-empty .app-icon { display: block; font-size: 52px; margin-bottom: 16px; }
.platform-empty h1 { margin: 0 0 10px; }
.platform-empty p { color: var(--muted); }
.platform-primary {
  display: inline-flex;
  margin-top: 12px;
  padding: 9px 16px;
  border-radius: 9px;
  background: var(--accent);
  color: white;
  text-decoration: none;
  font-weight: 650;
}

@media (max-width: 640px) {
  .platform-header { padding: 9px 12px; gap: 9px; }
  .platform-account { max-width: 42px; }
  .platform-account > span:not([data-product-icon]) { display: none; }
  .platform-main { width: min(100% - 24px, 1180px); padding-top: 24px; }
  .platform-empty { padding: 28px 20px; }
}