:root {
  --bg-color: #000000;
  --header-bg: #000000;
  --dot-color: rgba(200, 200, 200, 0.15);
  --text-color: #d8d8d8;
  --accent-color: #fff;
  --button-bg: #fff;
  --button-hover: #d4d4d4;
  --footer-color: #cccccc;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  background-color: var(--bg-color);
  background-image: radial-gradient(var(--dot-color) 1.1px, transparent 0);
  background-size: 15px 15px;
  background-attachment: fixed;
  color: var(--text-color);
  font-family: "Poppins", sans-serif;
  padding: 20px;
  padding-top: 70px;
  min-width: 320px;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background-color: var(--header-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
  z-index: 1000;
}

header .left {
  display: flex;
  align-items: center;
  gap: 10px;
}

header .left img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
}

header .left h2 {
  color: white;
  font-weight: 700;
  font-size: 1.3rem;
  white-space: nowrap;
  user-select: none;
}

header .right {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: nowrap;
}

header .right button {
  background-color: var(--button-bg);
  color: #393939;
  border: none;
  padding: 8px 15px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.3s ease;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

header .right button i {
  font-size: 1.1rem;
}

header .right button:hover {
  background-color: var(--button-hover);
}

@media (max-width: 480px) {
  html,
  body {
    padding: 15px;
    padding-top: 60px;
  }

  header {
    height: 55px;
    padding: 0 15px;
  }

  header .left h2 {
    font-size: 1.1rem;
  }

  header .left img {
    width: 35px;
    height: 35px;
  }

  header .right button {
    padding: 8px;
    width: 40px;
    justify-content: center;
  }

  header .right button .btn-text {
    display: none;
  }
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 20px;
}

.message-box {
  background-color: rgba(255, 255, 255, 0.03);
  padding: 40px 50px;
  border-radius: 14px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(4px);
  width: 100%;
  max-width: 1100px;
  font-size: 1.05rem;
  line-height: 1.8;
  text-align: justify;
}

.message-box h1 {
  font-size: 2.7rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.2;
  word-break: break-word;
  white-space: normal;
  max-width: 100%;
}

.message-box p {
  margin-bottom: 16px;
  text-align: justify;
  line-height: 1.8;
  font-size: 1.05rem;
}

.message-box strong {
  color: var(--accent-color);
  font-weight: 600;
}

.footer-text {
  font-size: 13px;
  color: var(--footer-color);
  opacity: 0.7;
  margin-top: 30px;
  text-align: center;
  user-select: none;
  padding: 0 10px;
}

@media (max-width: 480px) {
  .message-box {
    padding: 20px 15px;
    max-width: 95vw;
    font-size: 0.95rem;
  }

  .message-box h1 {
    font-size: 1.6rem;
  }

  .message-box p {
    font-size: 0.95rem;
  }
}