* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #14151a;
  color: #e6e6e6;
  line-height: 1.6;
}

.hero {
  background: #1b2735;
  padding: 60px 20px;
  text-align: center;
  border-bottom: 4px solid #2b5adc;
}

.hero h1 {
  margin: 0 0 10px;
  font-size: 2.2rem;
}

.hero p {
  margin: 0;
  color: #aab4c0;
}

.small {
  font-size: 0.6rem !important;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px;
}

.notice {
  background: #22314a;
  border-left: 4px solid #2b5adc;
  padding: 16px 20px;
  border-radius: 4px;
  margin-bottom: 40px;
}

.warning {
  background: #D31145;
  border-left: 4px solid #2b5adc;
  padding: 16px 20px;
  border-radius: 4px;
  margin-bottom: 40px;
}

.step {
  display: flex;
  gap: 20px;
  margin-bottom: 50px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #2b5adc;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.1rem;
}

.step-content {
  flex: 1;
}

.step-content h2 {
  margin-top: 0;
}

.button {
  display: inline-block;
  background: #2b5adc;
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 600;
  margin: 10px 0;
}

.button:hover {
  background: #1e46b8;
}

.server-address {
  font-family: monospace;
  font-size: 1.2rem;
  background: #1b2735;
  padding: 12px 16px;
  border-radius: 6px;
  display: inline-block;
  margin: 10px 0;
  color: #7fd4ff;
}

.image-placeholder {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  background: #22242c;
  border: 2px dashed #3c3f4a;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b6f7a;
  font-size: 0.9rem;
  margin-top: 14px;
  text-align: center;
  padding: 10px;
  cursor: zoom-in;
  box-sizing: border-box;
}

.image-placeholder img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

/* Lightbox overlay for fullscreen image view */
.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 20px;
  box-sizing: border-box;
}

.lightbox-overlay.active {
  display: flex;
}

.lightbox-overlay img {
  max-width: 100%;
  max-height: 100%;
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 30px;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  z-index: 1001;
}

.faq {
  margin-top: 60px;
  border-top: 1px solid #2a2c33;
  padding-top: 30px;
}

footer {
  text-align: center;
  padding: 30px 20px;
  color: #7a7f8a;
  font-size: 0.9rem;
}