/* =========================================================
   AiBirf Market Pulse — design tokens
   Palette: ink charcoal + brass/marigold accent (nod to the
   NSE/BSE opening bell), IBM Plex Mono for all numeric data.
   ========================================================= */
:root{
  --bg-deep:      #10131c;
  --bg-panel:     #171b26;
  --bg-panel-2:   #1d2230;
  --hairline:     #262b3a;
  --text-primary: #edeff5;
  --text-muted:   #8890a6;
  --text-faint:   #5a6178;

  --brass:        #c89b3c;
  --brass-dim:    #8a6f2e;
  --up:           #23a26d;
  --up-dim:       rgba(35,162,109,0.14);
  --down:         #d64545;
  --down-dim:     rgba(214,69,69,0.14);
  --neutral:      #7c86a3;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --radius: 10px;
  --shadow: 0 8px 24px rgba(0,0,0,0.35);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg-deep);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display); margin:0; letter-spacing:0.01em;}
.muted{color:var(--text-muted); margin:4px 0 0;}
.muted.small{font-size:12.5px;}
button{font-family:var(--font-body); cursor:pointer;}
:focus-visible{outline:2px solid var(--brass); outline-offset:2px;}
.hidden{display:none !important;}

/* ---------- Pulse bar (signature element) ---------- */
.pulse-bar{
  display:flex; align-items:center; gap:24px;
  padding:10px 20px;
  background:linear-gradient(180deg, #14182380, #10131c);
  border-bottom:1px solid var(--hairline);
  position:sticky; top:0; z-index:20;
}
.pulse-bar__brand{display:flex; align-items:center; gap:8px; white-space:nowrap;}
.bell-dot{
  width:10px; height:10px; border-radius:50%;
  background:var(--brass);
  box-shadow:0 0 0 0 rgba(200,155,60,0.6);
  animation:bell-pulse 2.4s ease-in-out infinite;
}
@keyframes bell-pulse{
  0%{ box-shadow:0 0 0 0 rgba(200,155,60,0.55);}
  70%{ box-shadow:0 0 0 8px rgba(200,155,60,0);}
  100%{ box-shadow:0 0 0 0 rgba(200,155,60,0);}
}
@media (prefers-reduced-motion:reduce){ .bell-dot{animation:none;} }
.brand-name{font-family:var(--font-display); font-weight:700; font-size:18px; color:var(--text-primary);}
.brand-tag{font-family:var(--font-mono); font-size:11px; color:var(--brass); letter-spacing:0.08em; text-transform:uppercase;}

.pulse-bar__ticker{flex:1; overflow:hidden; mask-image:linear-gradient(90deg, transparent, black 24px, black calc(100% - 24px), transparent);}
.ticker-track{display:flex; gap:32px; white-space:nowrap; font-family:var(--font-mono); font-size:13px; animation:ticker-scroll 22s linear infinite;}
@keyframes ticker-scroll{ from{transform:translateX(0);} to{transform:translateX(-50%);} }
.ticker-item{color:var(--text-muted);}
.ticker-item b{color:var(--text-primary); margin-right:6px;}
.ticker-up{color:var(--up);}
.ticker-down{color:var(--down);}

.pulse-bar__sync{display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:11.5px; color:var(--text-faint); white-space:nowrap;}
.sync-dot{width:7px; height:7px; border-radius:50%; background:var(--up);}
.sync-dot.stale{background:var(--brass);}

/* ---------- Data error banner ---------- */
.data-banner{
  display:flex; align-items:center; justify-content:center; gap:16px;
  padding:10px 20px; background:var(--down-dim); color:var(--down);
  border-bottom:1px solid var(--hairline); font-family:var(--font-mono);
  font-size:13px; text-align:center; flex-wrap:wrap;
}
.data-banner.hidden{display:none;}
.data-banner button{
  border:1px solid var(--down); color:var(--down); background:transparent;
  border-radius:var(--radius); padding:4px 12px; font-size:12px;
}
.data-banner button:hover{background:var(--down); color:var(--bg-deep);}

/* ---------- Layout ---------- */
.app-shell{display:flex; gap:0; align-items:flex-start; min-height:calc(100vh - 54px);}
.sidebar{
  width:270px; flex-shrink:0;
  border-right:1px solid var(--hairline);
  padding:20px 16px;
  position:sticky; top:54px;
  height:calc(100vh - 54px);
  overflow-y:auto;
}
.sidebar__head{display:flex; justify-content:space-between; align-items:center; margin-bottom:12px;}
.sidebar__head h2{font-size:15px; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-muted);}

.main{flex:1; padding:24px 28px 60px; min-width:0;}
.section-head{margin-bottom:16px;}
.section-head--commodities{margin-top:36px;}
.section-head h1{font-size:22px;}

/* ---------- Buttons ---------- */
.btn-brass{
  background:var(--brass); color:#1a1305; border:none; border-radius:6px;
  font-weight:600; padding:8px 14px; font-size:13px; transition:filter .15s;
}
.btn-brass:hover{filter:brightness(1.12);}
.btn-ghost{
  background:transparent; color:var(--text-muted); border:1px solid var(--hairline);
  border-radius:6px; padding:8px 14px; font-size:13px;
}
.btn-ghost:hover{color:var(--text-primary); border-color:var(--text-faint);}
.btn-danger{
  background:transparent; color:var(--down); border:1px solid var(--down);
  border-radius:6px; padding:8px 14px; font-size:13px;
}
.btn-danger:hover{background:var(--down-dim);}
.btn-sm{padding:6px 10px; font-size:12.5px;}

/* ---------- Add form ---------- */
.add-form{
  background:var(--bg-panel); border:1px solid var(--hairline); border-radius:var(--radius);
  padding:12px; margin-bottom:14px; display:flex; flex-direction:column; gap:10px;
}
.add-form input[type="text"]{
  background:var(--bg-deep); border:1px solid var(--hairline); color:var(--text-primary);
  padding:8px 10px; border-radius:6px; font-family:var(--font-mono); font-size:13px;
}
.add-form__exchange{display:flex; gap:14px; font-size:12.5px; color:var(--text-muted);}
.add-form__exchange label{display:flex; align-items:center; gap:5px;}
.add-form__actions{display:flex; gap:8px;}

/* ---------- Watchlist ---------- */
.watchlist{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:6px;}
.watchlist__item{
  display:flex; justify-content:space-between; align-items:center;
  padding:10px 10px; border-radius:8px; cursor:pointer;
  border:1px solid transparent;
}
.watchlist__item:hover{background:var(--bg-panel); border-color:var(--hairline);}
.watchlist__sym{font-family:var(--font-mono); font-weight:600; font-size:13.5px;}
.watchlist__exch{font-size:10px; color:var(--text-faint); margin-left:5px;}
.watchlist__chg{font-family:var(--font-mono); font-size:12.5px;}
.sidebar__foot{margin-top:20px; padding-top:14px; border-top:1px solid var(--hairline);}
.disclaimer-mini{font-size:11px; color:var(--text-faint); margin:0;}

/* ---------- Stock grid / cards ---------- */
.stock-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(230px, 1fr)); gap:14px;
}
.empty-state{
  grid-column:1/-1; border:1px dashed var(--hairline); border-radius:var(--radius);
  padding:28px; text-align:center; color:var(--text-muted); font-size:14px;
}
.stock-card{
  background:var(--bg-panel); border:1px solid var(--hairline); border-radius:var(--radius);
  padding:16px; box-shadow:var(--shadow); cursor:pointer; transition:transform .12s, border-color .12s;
}
.stock-card:hover{transform:translateY(-2px); border-color:var(--brass-dim);}
.stock-card__top{display:flex; justify-content:space-between; align-items:flex-start;}
.stock-card__sym{font-family:var(--font-mono); font-weight:600; font-size:15px;}
.stock-card__exch{font-size:10px; color:var(--text-faint);}
.stock-card__badge{
  font-size:10.5px; font-weight:600; padding:3px 8px; border-radius:20px; text-transform:uppercase; letter-spacing:0.03em;
}
.badge-long{background:var(--up-dim); color:var(--up);}
.badge-short{background:var(--down-dim); color:var(--down);}
.badge-neutral{background:rgba(124,134,163,0.14); color:var(--neutral);}
.stock-card__price{font-family:var(--font-mono); font-size:22px; font-weight:600; margin-top:10px;}
.stock-card__chg{font-family:var(--font-mono); font-size:13px; margin-top:2px;}
.stock-card__spark{margin-top:10px; height:40px;}
.up{color:var(--up);}
.down{color:var(--down);}

/* ---------- Commodities ---------- */
.commodity-strip{display:grid; grid-template-columns:repeat(auto-fill, minmax(200px,1fr)); gap:14px;}
.commodity-card{
  background:var(--bg-panel-2); border:1px solid var(--hairline); border-radius:var(--radius);
  padding:14px 16px;
}
.commodity-card__name{font-size:13px; color:var(--text-muted);}
.commodity-card__price{font-family:var(--font-mono); font-size:19px; font-weight:600; margin-top:6px;}
.commodity-card__chg{font-family:var(--font-mono); font-size:12.5px;}

/* ---------- Detail drawer ---------- */
.drawer-overlay{
  position:fixed; inset:0; background:rgba(8,10,15,0.6); backdrop-filter:blur(2px);
  opacity:0; pointer-events:none; transition:opacity .2s; z-index:30;
}
.drawer-overlay.show{opacity:1; pointer-events:auto;}
.drawer{
  position:fixed; top:0; right:0; height:100%; width:min(560px, 100%);
  background:var(--bg-panel); border-left:1px solid var(--hairline);
  transform:translateX(100%); transition:transform .28s ease; z-index:31;
  overflow-y:auto; padding:22px 24px 60px;
}
.drawer.show{transform:translateX(0);}
.drawer__head{display:flex; justify-content:space-between; align-items:flex-start;}
.drawer__price{margin-top:16px; display:flex; align-items:baseline; gap:12px;}
.drawer__price-val{font-family:var(--font-mono); font-size:32px; font-weight:600;}
.drawer__price-chg{font-family:var(--font-mono); font-size:15px;}
.drawer__chart-wrap{margin-top:18px; background:var(--bg-deep); border:1px solid var(--hairline); border-radius:var(--radius); padding:12px;}
.drawer__subhead{margin-top:26px; margin-bottom:10px; font-size:15px; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.05em;}

.signal-banner{
  margin-top:18px; display:flex; justify-content:space-between; align-items:center;
  padding:12px 16px; border-radius:var(--radius); border:1px solid var(--hairline); background:var(--bg-panel-2);
}
.signal-banner__label{font-size:12.5px; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.05em;}
.signal-banner__value{font-family:var(--font-mono); font-weight:600; font-size:15px;}

.indicator-grid{display:grid; grid-template-columns:1fr 1fr; gap:10px;}
.indicator-card{
  border:1px solid var(--hairline); border-radius:8px; padding:10px 12px; background:var(--bg-panel-2);
}
.indicator-card__name{font-size:11.5px; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.04em;}
.indicator-card__val{font-family:var(--font-mono); font-size:15px; margin-top:4px;}
.indicator-card__read{font-size:12px; margin-top:2px;}

.disclaimer-box{
  margin-top:14px; font-size:11.5px; color:var(--text-faint); line-height:1.5;
  border-left:2px solid var(--brass-dim); padding-left:10px;
}
.drawer__remove{margin-top:26px;}

/* ---------- Responsive ---------- */
@media (max-width: 880px){
  .app-shell{flex-direction:column;}
  .sidebar{width:100%; height:auto; position:relative; top:0; border-right:none; border-bottom:1px solid var(--hairline);}
  .indicator-grid{grid-template-columns:1fr;}
  .drawer{width:100%;}
}