/* ── Reboot overlay ─────────────────────────────────────────────── */

.reboot-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(15, 15, 25, 0.92);
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.reboot-overlay.visible {
  display: flex;
}

.reboot-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 48px 56px;
  text-align: center;
  max-width: 480px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8);
  animation: reboot-fade-in 0.4s ease-out;
}

@keyframes reboot-fade-in {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.reboot-icon {
  font-size: 3rem;
  color: var(--accent-color);
  margin-bottom: 16px;
  animation: reboot-spin 2s linear infinite;
  display: inline-block;
}

@keyframes reboot-spin {
  to { transform: rotate(360deg); }
}

.reboot-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.reboot-message {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.reboot-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.reboot-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-color);
  animation: reboot-bounce 1.4s ease-in-out infinite;
}

.reboot-dot:nth-child(2) { animation-delay: 0.2s; }
.reboot-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes reboot-bounce {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40%           { opacity: 1;   transform: scale(1.2); }
}

.reboot-submessage {
  font-size: 0.82rem;
  color: var(--text-dim);
  font-style: italic;
}

/* ── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 768px) {
  body {
    overflow: auto;
  }
  .main-content {
    flex-direction: column;
    overflow: visible;
  }
  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 14px 12px;
  }
  #tiles-area {
    height: auto;
    overflow-y: visible;
    padding: 16px 12px 40px;
  }
}

@media (max-width: 600px) {
  .header-bar {
    padding: 10px 14px;
    gap: 10px;
  }
  .header-bar .title {
    font-size: 0.95rem;
  }
  .ip-bar {
    gap: 16px;
    flex-wrap: wrap;
    padding: 8px 14px;
  }
  .tiles-grid {
    justify-content: center;
  }
  .service-tile {
    width: 140px;
    min-height: 130px;
  }
  .reboot-card {
    padding: 36px 28px;
    margin: 0 16px;
  }
  .creds-dialog {
    margin: 0 12px;
  }
  .creds-qr-img {
    width: 200px;
    height: 200px;
  }
}