/* Basic CSS reset */
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html, body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  background: #fafafa;
  min-height: 100vh;
  width: 100vw;
  box-sizing: border-box;
  overflow-x: hidden;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
}

header {
  width: 100%;
  background: #e67e22;
  color: #fff;
  padding: 16px 0;
  font-size: 1.3rem;
  font-weight: bold;
  letter-spacing: 2px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.container {
  margin: 32px auto 24px auto;
  padding: 32px 24px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  background: #fff;
  max-width: 480px;
  width: 95vw;
  box-sizing: border-box;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: #e67e22;
}

p {
  font-size: 1.1rem;
  color: #555;
}

.gear {
  font-size: 50px;
  animation: spin 2s linear infinite;
  color: #e67e22;
  margin-bottom: 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.chart-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto 32px auto;
  padding: 16px 0;
  overflow-x: auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
  box-sizing: border-box;
}

.chart {
  display: flex;
  align-items: flex-end;
  height: 220px;
  min-width: 700px;
  padding: 24px 16px 0 16px;
  position: relative;
}

.grid-lines {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to top,
    #eee,
    #eee 1px,
    transparent 1px,
    transparent 44px
  );
}

.candle {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 4px;
  z-index: 1;
}

.wick {
  width: 4px;
  background: #bbb;
  border-radius: 2px;
  margin-bottom: 2px;
}

.body {
  width: 18px;
  border-radius: 3px;
  margin-bottom: 2px;
}

.candle.green .body {
  background: #27ae60;
}

.candle.red .body {
  background: #e74c3c;
}

.volume {
  width: 12px;
  height: 8px;
  background: #e67e22;
  border-radius: 2px;
  opacity: 0.2;
  margin-top: 2px;
}

footer {
  width: 100%;
  background: #222;
  color: #fff;
  text-align: center;
  padding: 14px 0 10px 0;
  font-size: 1rem;
  margin-top: auto;
  letter-spacing: 1px;
}

/* Responsive Styles */
@media (max-width: 900px) {
  .chart-container {
    max-width: 100vw;
    padding: 8px 0;
  }
  .chart {
    min-width: 500px;
    padding: 16px 4px 0 4px;
    height: 160px;
  }
  .container {
    max-width: 98vw;
    padding: 18px 4vw;
  }
}

@media (max-width: 600px) {
  html, body {
    font-size: 15px;
  }
  .container {
    padding: 10px 2vw;
    margin: 12px auto 8px auto;
    max-width: 100vw;
    border-radius: 8px;
  }
  h1 {
    font-size: 1.1rem;
  }
  .gear {
    font-size: 28px;
  }
  .chart-container {
    padding: 4px 0;
    border-radius: 6px;
  }
  .chart {
    min-width: 240px;
    height: 80px;
    padding: 4px 1px 0 1px;
  }
  .body {
    width: 7px;
  }
  .wick {
    width: 1.5px;
  }
  .candle {
    margin: 0 1px;
  }
  footer {
    font-size: 0.85rem;
    padding: 8px 0 6px 0;
  }
  header {
    font-size: 0.95rem;
    padding: 8px 0;
  }
}