html, body { margin: 0; }
#pms-boot { box-sizing: border-box; min-height: 100vh; min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 24px; background: #f8fafc; color: #334155; font-family: Arial, sans-serif; text-align: center; }
#pms-boot[hidden] { display: none; }
#pms-boot img { width: 48px; height: 48px; margin: 0 auto 16px; }
#pms-boot h1 { margin: 0 0 12px; font-size: 20px; line-height: 1.4; }
#pms-boot p { max-width: 320px; margin: 0; font-size: 15px; line-height: 1.6; overflow-wrap: anywhere; }
#pms-boot button { min-height: 44px; margin-top: 20px; padding: 10px 24px; border: 0; border-radius: 6px; background: #2563eb; color: #fff; font: inherit; cursor: pointer; }