:root {
  --bg: #edeef5;        
  --panel: #ffffff;    
  --ink: #14152b;       
  --muted: #666884;     
  --line: #d6d8e6;      
  --accent: #ff5a1f;    
  --profit: #0f8a4f;    
  --loss: #d7352b;      
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "DM Sans", system-ui, sans-serif;
  font-variant-numeric: tabular-nums;  
}

h1, h2, .amount { font-family: "Bricolage Grotesque", "DM Sans", sans-serif; }

.topbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 14px; }

.logo {
  width: 46px;
  height: 46px;
  background: var(--ink);
  color: var(--accent);
  font-family: "Bricolage Grotesque", sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  border-radius: 4px;
}

h1 { margin: 0; font-size: 1.6rem; line-height: 1.1; }
.tagline { margin: 4px 0 0; color: var(--muted); font-size: 0.85rem; max-width: 380px; }

.wallet { text-align: right; }
.wallet .label { display: block; color: var(--muted); font-size: 0.85rem; }
.wallet .amount {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  border-bottom: 4px solid var(--accent);
  display: inline-block;
}

.ticker {
  background: var(--ink);
  color: #fff;
  font-size: 0.85rem;
  padding: 10px 20px;
  display: flex;
  gap: 28px;
  overflow-x: auto;
  white-space: nowrap;
}
.ticker .sym { font-weight: 700; margin-right: 6px; }
.up { color: var(--profit); }
.down { color: var(--loss); }
.ticker .up { color: #4fd18b; }     
.ticker .down { color: #ff7a70; }

.summary {
  max-width: 1100px;
  margin: 20px auto 0;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 12px;
  align-items: stretch;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px 16px;
}
.stat .label { display: block; color: var(--muted); font-size: 0.8rem;}
.stat .value {
font-family: "Bricolage Grotesque", "DM sans", sans-serif;
font-size: 1.4rem;
font-weight: 800;
}


main {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 20px;
  align-items: start;
}

.side { display: grid; gap: 20px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
}

h2 {
  margin: 0;
  padding: 14px 16px;
  font-size: 1.1rem;
  border-bottom: 2px solid var(--ink);
}

.row {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.8fr auto;
  align-items: center;
  gap: 8px;     
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.row:last-child { border-bottom: none; }

.row.head {
  background: #f6f6fb;
  color: var(--muted);
  font-size: 0.8rem;
  padding-top: 8px;
  padding-bottom: 8px;
}

.tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 3px;
  color: #fff;
}
.tag.buy  { background: var(--ink); }
.tag.sell { background: var(--loss); }
.actions { display: flex; gap: 6px; align-items: center; }
 
input[type="number"] {
  width: 64px;
  padding: 8px;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 3px;
}
 
button {
  font: inherit;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 3px;
  cursor: pointer;
  border: 1.5px solid var(--ink);
}

button.buy   {
   background: var(--ink);
   color: #fff; }

button.sell  {
   background: transparent;
   color: var(--loss);
   border-color: var(--loss);
   }

button.reset {
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
  font-weight: 500; }


button:hover { opacity: 0.8; }
 
button:focus-visible, input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
 
.empty { padding: 20px 16px;
   color: var(--muted);
    margin: 0; }
 
#message {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  margin: 0;
  padding: 12px 18px;
  border-radius: 4px;
  color: #fff;
  font-weight: 700;
  max-width: 90vw;
}

#message:empty { display: none; }
#message.ok    { background: var(--profit); }
#message.error { background: var(--loss); }
 
@media (max-width: 760px) {
  main { grid-template-columns: 1fr; }
  .summary { grid-template-columns: 1fr 1fr; }
  .wallet { text-align: left; }
  .row { grid-template-columns: 1fr 1fr; }
  .row.head { display: none; }
  .row .actions { grid-column: 1 / -1; }
  .row.holding { grid-template-columns: 1fr auto auto; }
  .row.trade { grid-template-columns: auto 1fr auto; }
}

/*## Week 2
- Added: profit/loss per holding (average buy price), portfolio summary, trade history
- Added: data saved in the browser (localStorage), reset button
- Added: prices that move every 4 seconds (fake), so profit/loss actually changes
 */