:root{
  --bg: #f4f5f7;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --brand: #2f8f83;
  --brand-600: #25766c;
  --accent: #8b9cfb;
  --sb-bg: #111418;
  --sb-bg-2: #141821;
  --sb-fg: #e8eaee;
  --sb-muted: #a7adbb;
  --radius: 18px;
  --sbw: 280px;
  --sbw-collapsed: 84px;
  --gap: 16px;
}

*{box-sizing:border-box;}
html,body{height:100vh;width:100vw;max-width:100%;overflow:hidden;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
}

.app{
  height:100vh;
  width:100%;
  max-width:100%;
  overflow:hidden;
  display:grid;
  grid-template-rows:auto 1fr auto;
  grid-template-columns:var(--sbw) 1fr;
  gap:var(--gap);
  padding:var(--gap);
}

.app.sidebar-collapsed{
  grid-template-columns:var(--sbw-collapsed) 1fr;
}

.header{
  grid-column:1 / -1;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-600) 100%);
  color:#fff;
  border-radius:var(--radius);
  box-shadow:0 6px 24px rgba(37,118,108,.18);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 18px;
}
.brand-title{margin:0;font-size:1.5rem;letter-spacing:.3px;}
.header-actions .btn{
  border:0;
  background:transparent;
  color:#e6fffb;
  cursor:pointer;
  width:38px;
  height:38px;
  border-radius:10px;
}
.header-actions .btn:hover{background:rgba(255,255,255,.15);}

.footer{
  grid-column:1 / -1;
  background:var(--surface);
  border-radius:var(--radius);
  box-shadow:0 -1px 0 rgba(0,0,0,.04),0 10px 30px rgba(0,0,0,.04) inset;
}
.footer-inner{
  padding:14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-links{display:flex;gap:14px;}
.footer a{color:var(--brand-600);text-decoration:none;}
.footer a:hover{text-decoration:underline;}

.sidebar{
  grid-row:2;
  grid-column:1;
  position:relative;
  height:100%;
  background:linear-gradient(180deg,var(--sb-bg) 0%,var(--sb-bg-2) 100%);
  color:var(--sb-fg);
  border-radius:var(--radius);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  padding:14px;
  display:grid;
  grid-template-rows:auto 1fr auto;
  overflow:hidden;
}

.collapse-handle{
  position:absolute;
  top:50%;
  right:-14px;
  transform:translateY(-50%);
  width:32px;
  height:32px;
  border-radius:999px;
  background:#fff;
  color:#111;
  border:0;
  cursor:pointer;
  display:grid;
  place-items:center;
  box-shadow:0 8px 22px rgba(0,0,0,.28);
  z-index:2;
}
.collapse-handle i{font-size:14px;}

.sb-head{padding:6px;}
.brand{display:flex;align-items:center;gap:10px;}
.logo-dot{
  width:36px;
  height:36px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:#202430;
  color:#fff;
  font-weight:700;
  letter-spacing:.5px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
}
.brand-meta strong{display:block;line-height:1.1;}
.brand-meta small{color:var(--sb-muted);}

.sb-nav{display:grid;gap:6px;margin-top:10px;}
.nav-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  color:var(--sb-fg);
  transition:background .15s ease,color .15s ease,transform .15s ease;
}
.nav-item i{width:22px;text-align:center;color:#cfd6ea;}
.nav-item:hover{background:rgba(255,255,255,.06);}
.nav-item.active{
  background:rgba(139,156,251,.16);
  box-shadow:inset 0 0 0 1px rgba(139,156,251,.32);
}
.nav-item.active i{color:var(--accent);}

.sb-foot{padding:8px 6px;color:var(--sb-muted);font-size:12px;}

.content{
  grid-row:2;
  grid-column:2;
  min-height:0;
  height:100%;
  width:100%;
  max-width:100%;
  min-width: 0;
  overflow:hidden;
  display:grid;
  grid-template-rows:auto 1fr;
  gap:var(--gap);
  padding:var(--gap);
}

.card,
.ticker,
.ticker-card{
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.card{
  background:var(--surface);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 10px 24px rgba(0,0,0,.06);
  text-align:center;
  width:100%;
  max-width:100%;
}

.ticker-card{
  width:100%;
  max-width:100%;
  padding:12px;
  align-self:start;
}

.ticker-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-bottom:8px;
  flex-wrap:wrap;
}
.ticker-title{
  margin:0;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:1.05rem;
}
.ticker-legend{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--muted);
  font-size:.92rem;
}
.ticker-legend .dot{
  width:10px;
  height:10px;
  border-radius:999px;
  display:inline-block;
  margin-right:6px;
}
.ticker-legend .dot.up{background:#16a34a;}
.ticker-legend .dot.down{background:#b91c1c;}

.ticker{
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.04);
  width: 100%;
  max-width: 100%;
}

.ticker-track{
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  padding: 8px 10px;
  will-change: transform;
  animation: ticker-scroll linear infinite;
  transform: translate3d(0,0,0);
}

@keyframes ticker-scroll{
  from { transform: translate3d(0,0,0); }
  to   { transform: translate3d(-50%,0,0); }
}

.ticker-item{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border-radius:999px;
  background:#f7f8fb;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);
  max-width:100%;
}
.ticker-symbol{
  font-weight:700;
  letter-spacing:.2px;
  color:var(--text);
}
.ticker-price{
  font-variant-numeric:tabular-nums;
  color:var(--text);
}
.ticker-change{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-variant-numeric:tabular-nums;
  font-weight:600;
  padding:2px 8px;
  border-radius:999px;
}
.ticker-change.up{
  color:#14532d;
  background:rgba(22,163,74,.12);
}
.ticker-change.down{
  color:#7f1d1d;
  background:rgba(185,28,28,.12);
}
.ticker-arrow{width:12px;text-align:center;}

@keyframes ticker-scroll{
  from{transform:translate3d(0,0,0);}
  to{transform:translate3d(-50%,0,0);}
}

.ticker:hover .ticker-track{animation-play-state:paused;}

.welcome-card{
  display:grid;
  place-items:center;
  overflow:hidden;
}

.hero-media{
  display:grid;
  place-items:center;
  padding:clamp(6px,1.5vw,12px);
  width:100%;
  max-width:100%;
}

.logo-img{
  width:min(100%,300px);
  max-width:100%;
  max-height:28vh;
  height:auto;
  object-fit:contain;
  display:block;
  margin:0 auto;
}



.sidebar .nav-label,
.sidebar .brand-meta{transition:opacity .18s ease,transform .18s ease;}
.app.sidebar-collapsed .sidebar .nav-label,
.app.sidebar-collapsed .sidebar .brand-meta{
  opacity:0;
  transform:translateX(-8px);
  pointer-events:none;
}
.app.sidebar-collapsed .sidebar .logo-dot{width:32px;height:32px;border-radius:10px;}
.app.sidebar-collapsed .brand{justify-content:center;}
.app.sidebar-collapsed .collapse-handle i{transform:rotate(180deg);}

@media(max-width:680px){
  .ticker-item{padding:6px 10px;}
  .ticker-track{gap:8px;}
  .logo-img{width:min(46%,220px);max-height:24vh;}
}

@media(max-width:900px){
  .app{grid-template-columns:1fr;}
  .sidebar{
    position:fixed;
    left:12px;
    right:12px;
    top:72px;
    bottom:72px;
    z-index:1000;
    transform:translateX(-110%);
    transition:transform .25s ease;
  }
  .app.sidebar-open .sidebar{transform:translateX(0);}
  .collapse-handle{right:6px;}
  .content{grid-column:1;}
}

.btn.ghost{background:transparent;border:0;color:#fff;cursor:pointer;}
.btn.ghost:hover{opacity:.9;}
a{color:var(--brand-600);}
a:hover{text-decoration:underline;}
.muted{color:var(--sb-muted);}