* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;

  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* HEADER */
.header {
  padding: 20px 30px;
  border-bottom: 1px solid #eee;
}

/* MAIN */
main {
  flex: 1;
  display: flex;
}

/* SIDEBAR */
.sidebar {
  width: 280px;
  padding: 20px;
  border-right: 1px solid #eee;
  background: #fafafa;
}

.ticker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  margin-bottom: 10px;
  background: #ffffff;
  border-radius: 8px;
  cursor: pointer;
}

.ticker.active {
  background: #f1f5ff;
  font-weight: 600;
}

.label {
  max-width: 75%;
  font-size: 14px;
}

.delta {
  font-size: 13px;
  font-weight: 600;
}

/* ⚠️ COLORES INVERTIDOS COMO PEDISTE */
.delta.pos { color: #d93025; } /* positivo = rojo */
.delta.neg { color: #1a9c5d; } /* negativo = verde */

/* CONTENT */
.content {
  flex: 1;
  padding: 30px;
}

.card {
  background: #f6f7f9;
  border-radius: 20px;
  padding: 30px;
}

.price {
  font-size: 36px;
  font-weight: 700;
}

.change {
  font-weight: 600;
  margin-bottom: 10px;
}

.change.pos { color: #d93025; }
.change.neg { color: #1a9c5d; }

/* RANGE SELECTOR */
.ranges {
  margin-bottom: 15px;
}

.ranges button {
  border: none;
  background: transparent;
  padding: 6px 10px;
  cursor: pointer;
}

.ranges button.active {
  background: #1f4fd8;
  color: white;
  border-radius: 6px;
}

/* CHART */
.chart-wrapper {
  height: 320px;
  background: #ffffff;
  border-radius: 14px;
  padding: 12px;
}

/* FOOTER */
.footer {
  padding: 25px 0 30px;
  text-align: center;
  font-size: 13px;
  color: #9aa0a6;
}