/* Reset & Base */
*{margin:0;padding:0;box-sizing:border-box;}
body,html{
  font-family:'Segoe UI',Roboto,Arial,sans-serif;
  background:#0e0e0e;color:#fff;
  height:100%;overflow:hidden;
}
a{text-decoration:none;color:inherit;}

#no-data-tip {
  display: none;
}
/* Header */
.header{
  height:60px; line-height:60px;
  background:linear-gradient(90deg,#00c6ff,#0072ff);
  color:#fff; font-size:1.4em; font-weight:bold;
  text-align:center; position:fixed; top:0;left:0;right:0; z-index:100;
  box-shadow:0 4px 12px rgba(0,0,0,0.5);
}

/* Main content */
.main{
  position:absolute;top:60px;bottom:60px;left:0;right:0;
  overflow:auto;padding:12px;
  background:#121212;
}

/* Search & Sort */
input[type=text]{
  width:100%;padding:12px 16px;
  border-radius:12px;border:none;
  background:#1f1f1f;color:#fff;font-size:1em;
  margin-bottom:14px;
}
.sort-buttons{
  display:flex;gap:10px;margin-bottom:14px;
}
.sort-buttons button{
  flex:1;padding:12px 0;
  border:none;border-radius:12px;
  background:linear-gradient(90deg,#00c6ff,#0072ff);
  color:#fff;font-weight:bold;font-size:0.95em;
  cursor:pointer;transition:0.3s;
  box-shadow:0 4px 12px rgba(0,0,0,0.3);
}
.sort-buttons button:hover{opacity:0.85;}

/* Stock Card */
.stock-list,.favorites,.holdings{display:flex;flex-wrap:wrap;gap:12px;}
.stock-card{
  flex:1 1 calc(50% - 12px);
  background:#1f1f1f; border-radius:16px;
  padding:18px; box-shadow:0 6px 20px rgba(0,0,0,0.5);
  cursor:pointer; transition:0.3s; position:relative;
  backdrop-filter:blur(5px);
}
.stock-card:hover{
  transform:translateY(-3px);
  box-shadow:0 10px 28px rgba(0,0,0,0.7);
}
.stock-card div:first-child{
  width: 100px;
  height: 50px;
  font-weight:bold;font-size:.8em;margin-bottom:8px;
}
.stock-card div:last-child{
  font-size:1em;color:#a0a0a0;
}
.price-up{color:#00ff84;font-weight:bold;}
.price-down{color:#ff3d3d;font-weight:bold;}

/* Favorite button */
.favorite-btn{
  position:absolute;top:12px;right:12px;
  font-size:1.5em;background:transparent;
  border:none;cursor:pointer;color:#ff3d3d;
  transition:0.2s;
}
.favorite-btn:hover{transform:scale(1.2);}

/* Detail info */
#stock-info{
  background:#1f1f1f;border-radius:16px;padding:20px;
  box-shadow:0 6px 20px rgba(0,0,0,0.5);margin-bottom:14px;
}
#stock-info h4{margin-bottom:12px;font-size:1.3em;color:#00c6ff;}
#stock-info p{font-size:1.05em;margin:6px 0;color:#ccc;}
button.trade{
  padding:12px 20px;margin:6px 6px 0 0;border:none;border-radius:12px;
  background:linear-gradient(90deg,#00c6ff,#0072ff);
  color:#fff;font-weight:bold;cursor:pointer;transition:0.2s;
}
button.trade:hover{opacity:0.85;transform:scale(1.05);}

/* Chart */
#stock-chart{
  width:100%;height:380px;background:#1f1f1f;border-radius:16px;
  box-shadow:0 6px 20px rgba(0,0,0,0.5);margin-bottom:14px;
}

/* Holdings total */
#totalAsset{
  font-weight:bold;font-size:1.2em;color:#00c6ff;margin-bottom:10px;display:inline-block;
}

/* Footer */
.footer{
  height:60px;background:#1a1a1a;
  position:fixed;bottom:0;left:0;right:0;
  display:flex;border-top:1px solid #222;z-index:100;
  box-shadow:0 -4px 12px rgba(0,0,0,0.5);
}
.footer div{
  flex:1;text-align:center;line-height:60px;font-weight:bold;cursor:pointer;
  transition:0.3s;color:#888;
}
.footer div.active{color:#00c6ff;border-top:3px solid #00c6ff;}
.footer div:hover{background:rgba(0,198,255,0.05);border-radius:12px 12px 0 0;}

/* Modal */
.modal-overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(0,0,0,0.7);
  display:none;align-items:center;justify-content:center;z-index:999;
}
.modal{
  background:#1f1f1f;border-radius:16px;padding:24px;
  max-width:80%;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,0.7);
}
.modal h4{margin-top:0;font-size:1.2em;color:#00c6ff;}
.modal p{margin:16px 0;font-size:1em;color:#ccc;}
.modal button{
  padding:12px 24px;margin:6px;border:none;border-radius:12px;
  background:linear-gradient(90deg,#00c6ff,#0072ff);
  color:#fff;cursor:pointer;font-weight:bold;transition:0.2s;
}
.modal button:hover{opacity:0.85;transform:scale(1.05);}

/* Banner 样式 */
.banner{
  width:100%;
  height:180px;
  border-radius:16px;
  position:relative;
  overflow:hidden;
  margin-bottom:16px;
  box-shadow:0 8px 20px rgba(0,0,0,0.6);
}

.banner-img{
  width:100%;
  height:100%;
  object-fit:cover; /* 图片覆盖整个Banner区域 */
  filter:brightness(0.6); /* 降低亮度，让文字更清晰 */
  position:absolute;
  top:0; left:0;
  z-index:1;
}

.banner-content{
  position:absolute;
  top:50%; left:50%;
  transform:translate(-50%,-50%);
  text-align:center;
  color:#fff;
  z-index:2;
}

.banner-content h3{
  font-size:1.5em;
  font-weight:bold;
  margin-bottom:6px;
  text-shadow:0 2px 6px rgba(0,0,0,0.7);
}

.banner-content p{
  font-size:1em;
  opacity:0.9;
  text-shadow:0 1px 4px rgba(0,0,0,0.7);
}

/* 移动端适配 */
@media screen and (max-width:480px){
  .banner{height:180px;margin-bottom:12px;}
  .banner-content h3{font-size:1.2em;}
  .banner-content p{font-size:0.9em;}
}