/* TikTok Style UI */
body {
  background: #000;
  font-family: Poppins, Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #fff;
}

.container {
  width: 90%;
  max-width: 420px;
  margin: 20px auto;
  background: #111;
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(255, 0, 102, 0.15);
}

h1, h2, h3 {
  text-align: center;
  color: #fff;
  font-weight: 600;
}

.btn {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, #ff0050, #00f2ea);
  padding: 14px;
  text-align: center;
  color: #fff;
  border-radius: 14px;
  text-decoration: none;
  margin-top: 14px;
  font-weight: 600;
  letter-spacing: .5px;
  transition: .3s;
}

.btn:hover {
  opacity: .85;
  transform: translateY(-2px);
}

.input-field {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: none;
  margin-top: 12px;
  background: #1b1b1b;
  color: #fff;
}

.input-field:focus {
  outline: 2px solid #ff0050;
}

.card {
  background: #111;
  padding: 18px;
  border-radius: 16px;
  margin-top: 14px;
  box-shadow: 0 0 15px rgba(255, 0, 80, 0.12);
}

.vip-level {
  padding: 16px;
  background: linear-gradient(135deg, #ff0050, #00f2ea);
  color: #fff;
  border-radius: 14px;
  margin-top: 12px;
  text-align: center;
  cursor: pointer;
  font-weight: 600;
  transition: .3s;
}

.vip-level:hover {
  opacity: .85;
  transform: scale(1.02);
}

.timer-box {
  text-align: center;
  font-size: 24px;
  margin-top: 14px;
  font-weight: bold;
  background: #111;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
}
/* Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #111;
  padding: 12px 0;
  display: flex;
  justify-content: space-around;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.bottom-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  text-align: center;
  transition: .3s;
}
.bottom-nav a:hover {
  color: #00f2ea;
}

/* Progress Bar */
.progress-box {
  width: 100%;
  background: #222;
  border-radius: 12px;
  margin-top: 20px;
  overflow: hidden;
}
.progress-fill {
  height: 12px;
  background: linear-gradient(135deg, #ff0050, #00f2ea);
  width: 0%;
  transition: width 1s ease;
}

/* Success Animation */
.task-done {
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  margin-top: 14px;
  color: #00f2ea;
}