body {
  min-height: 100vh;
  margin: 0;
  font-family: 'Source Sans Pro', Arial, sans-serif;
  color: #f4f4f4;
}

h1, h2, h3 {
  font-family: 'Poppins', 'Source Sans Pro', Arial, sans-serif;
  font-weight: 600;
  letter-spacing: 0.5px;
}

button, input, textarea {
  font-family: 'Source Sans Pro', Arial, sans-serif;
}

.container {
  max-width: 700px;
  margin: 40px auto;
  background: rgba(30, 34, 40, 0.85);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(20,20,20,0.25);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.09);
  padding: 32px 24px;
}

form {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.input-3d {
  flex: 1;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #3e38d6;
  font-size: 1rem;
  background: #23272f;
  color: #fff;
  box-shadow: 0 2px 8px #181c22;
  transition: box-shadow 0.2s, background 0.2s;
}
.input-3d:focus {
  background: #2e3440;
  box-shadow: 0 6px 16px #101217;
  outline: none;
}

.btn3D {
  cursor: pointer;
  padding: 0;
  border: none;
  border-radius: 14px;
  background: transparent;
  outline-offset: 3px;
  box-shadow: 0 6px 0 #181c22, 0 12px 24px rgba(0,0,0,0.18);
  transition: box-shadow 0.15s, transform 0.15s;
  position: relative;
}
.btnLayer {
  display: block;
  padding: 14px 48px;
  color: #fff;
  background: linear-gradient(90deg, #ff4b59 0%, #1e88e5 100%);
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 14px;
  transform: translateY(-6px);
  transition: background 0.3s, color 0.3s, transform 0.1s;
  box-shadow: 0 2px 8px rgba(30,136,229,0.2);
}
.btn3D:hover .btnLayer {
  background: linear-gradient(90deg, #1e88e5 0%, #ff4b59 100%);
  color: #ffe082;
  transform: translateY(-2px) scale(1.04);
}
.btn3D:active .btnLayer {
  transform: translateY(0px) scale(0.98);
}

.card-3d {
  background: rgba(32, 36, 48, 0.92);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(44,62,80,0.18), 0 1.5px 0 #181c22;
  padding: 24px;
  margin-bottom: 24px;
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
}
.card-3d:hover {
  box-shadow: 0 16px 48px rgba(44,62,80,0.28), 0 3px 0 #181c22;
  transform: translateY(-4px) scale(1.02);
}

.channel-header {
  display: flex;
  gap: 16px;
  align-items: center;
}
.channel-header img {
  width: 80px;
  border-radius: 50%;
  border: 2px solid #3e38d6;
}

#stats-chart {
  width: 100% !important;
  max-width: 100%;
  height: 320px !important;
  margin-bottom: 32px;
}

/* Analytics Section */
#analytics {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.analytics-box {
  background: #23272f;
  color: #fff;
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 1.1rem;
  box-shadow: 0 2px 8px #181c22;
}
@media (max-width: 600px) {
  #analytics { gap: 16px; }
  .analytics-box { font-size: 1rem; }
}