:root {
  --bg: #07100d;
  --surface: rgba(16, 29, 24, .82);
  --surface-strong: #12231c;
  --line: rgba(183, 225, 204, .12);
  --text: #f2f8f5;
  --muted: #8ea69b;
  --positive: #55e49d;
  --positive-soft: rgba(85, 228, 157, .13);
  --negative: #ff7784;
  --negative-soft: rgba(255, 119, 132, .13);
  --accent: #a5f2cd;
  --shadow: 0 18px 50px rgba(0, 0, 0, .28);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 50% -10%, rgba(60, 173, 119, .17), transparent 34rem),
    linear-gradient(180deg, #09130f 0%, var(--bg) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}
button, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.ambient { position: fixed; width: 22rem; height: 22rem; border-radius: 50%; filter: blur(90px); opacity: .12; pointer-events: none; }
.ambient-one { background: #3de78f; top: 20%; left: -15rem; }
.ambient-two { background: #3ebce7; bottom: 5%; right: -17rem; }
.app-shell { position: relative; width: min(100%, 920px); margin: 0 auto; padding: max(20px, env(safe-area-inset-top)) 16px calc(36px + env(safe-area-inset-bottom)); }

.topbar { display: flex; align-items: center; justify-content: space-between; margin: 6px 2px 22px; }
.eyebrow { margin: 0 0 5px; color: var(--positive); font-size: 10px; font-weight: 800; letter-spacing: .19em; }
h1, h2 { margin: 0; letter-spacing: -.035em; }
h1 { font-size: clamp(30px, 8vw, 42px); font-weight: 760; }
h2 { font-size: 22px; }
.icon-button { width: 48px; height: 48px; display: grid; place-items: center; color: var(--accent); background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); cursor: pointer; }
.icon-button svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-button.busy svg { animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.controls { display: grid; gap: 12px; margin-bottom: 16px; }
.source-control { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 6px 8px 6px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 17px; }
.source-control span { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.source-control select { flex: 1; min-width: 0; color: var(--text); background: var(--surface-strong); border: 0; border-radius: 12px; padding: 10px 34px 10px 12px; outline: none; }
.segmented { display: grid; grid-template-columns: repeat(2, 1fr); padding: 4px; background: rgba(255,255,255,.045); border: 1px solid var(--line); border-radius: 15px; }
.segmented button, .periods button { color: var(--muted); background: transparent; border: 0; cursor: pointer; font-weight: 650; }
.segmented button { padding: 10px; border-radius: 11px; }
.segmented button.active { color: #072014; background: var(--accent); box-shadow: 0 6px 22px rgba(85,228,157,.18); }
.periods { display: flex; gap: 7px; overflow-x: auto; padding: 1px 0 5px; scrollbar-width: none; }
.periods::-webkit-scrollbar { display: none; }
.periods button { flex: 0 0 auto; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.025); font-size: 13px; }
.periods button.active { color: var(--accent); border-color: rgba(165,242,205,.4); background: var(--positive-soft); }
.periods .month-arrow { width: 36px; padding-left: 0; padding-right: 0; font-size: 19px; line-height: 1; }
.periods .month-arrow:disabled { cursor: default; opacity: .28; }
#month-button { min-width: 132px; }

.panel { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.hero-card { padding: 21px 18px 15px; border-radius: 24px; overflow: hidden; }
.hero-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.label { margin: 0 0 8px; color: var(--muted); font-size: 13px; }
.hero-value { margin: 0; font-size: clamp(34px, 10vw, 52px); line-height: 1; font-weight: 760; letter-spacing: -.055em; }
.positive { color: var(--positive) !important; }
.negative { color: var(--negative) !important; }
.pill { flex: 0 0 auto; padding: 7px 10px; border-radius: 999px; font-size: 12px; font-weight: 750; }
.pill.positive { background: var(--positive-soft); }
.pill.negative { background: var(--negative-soft); }
.pill.neutral { color: var(--muted); background: rgba(255,255,255,.06); }
.chart-wrap { position: relative; height: 220px; margin: 14px -18px 0; }
.chart-wrap svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart-grid { stroke: rgba(185, 220, 202, .1); stroke-width: 1; }
.chart-zero { stroke: rgba(230, 241, 235, .24); stroke-width: 1; stroke-dasharray: 5 6; }
.chart-line { fill: none; stroke: var(--positive); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; filter: drop-shadow(0 4px 8px rgba(85,228,157,.32)); }
.chart-area { fill: url(#chart-gradient); }
.chart-dot { fill: var(--bg); stroke: var(--positive); stroke-width: 3; }
.empty-chart { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: 13px; }
.chart-footer { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 11px; }

.kpi-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 10px 0 28px; }
.metric-card { min-height: 126px; padding: 16px; border-radius: 19px; display: flex; flex-direction: column; }
.metric-card span, .detail-card span { color: var(--muted); font-size: 12px; }
.metric-card strong { margin-top: auto; font-size: 28px; letter-spacing: -.04em; }
.metric-card small { margin-top: 4px; color: var(--muted); font-size: 11px; }
.section-block { margin: 28px 0; }
.section-heading { display: flex; align-items: center; justify-content: space-between; margin: 0 3px 12px; }
.counter { color: var(--muted); font-size: 12px; background: rgba(255,255,255,.06); border-radius: 999px; padding: 6px 10px; }
.comparison-list { display: grid; gap: 9px; }
.monthly-list { display: grid; gap: 9px; }
.monthly-card { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 15px 16px; color: var(--text); border-radius: 18px; text-align: left; cursor: pointer; }
.monthly-card span { display: grid; gap: 5px; }
.monthly-card strong { font-size: 15px; }
.monthly-card small { color: var(--muted); font-size: 11px; }
.monthly-card b { font-size: 18px; white-space: nowrap; }
.monthly-card.active { border-color: rgba(165,242,205,.42); background: var(--positive-soft); }
.comparison-card { display: grid; grid-template-columns: 1fr auto; gap: 12px; padding: 16px; border-radius: 18px; }
.comparison-card h3 { margin: 0 0 6px; font-size: 15px; }
.comparison-card p { margin: 0; color: var(--muted); font-size: 11px; }
.comparison-result { text-align: right; }
.comparison-result strong { display: block; font-size: 19px; }
.comparison-result span { color: var(--muted); font-size: 11px; }
.source-state { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--positive); box-shadow: 0 0 10px rgba(85,228,157,.7); }
.source-state.error { background: var(--negative); box-shadow: 0 0 10px rgba(255,119,132,.7); }

.details-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.detail-card { padding: 15px; min-height: 88px; border-radius: 18px; display: flex; flex-direction: column; justify-content: space-between; }
.detail-card strong { font-size: 20px; }
.trades-list { border: 1px solid var(--line); border-radius: 20px; overflow: hidden; background: var(--surface); }
.trade-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding: 14px 15px; border-bottom: 1px solid var(--line); }
.trade-row:last-child { border-bottom: 0; }
.trade-main { min-width: 0; }
.trade-symbol { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; font-size: 14px; font-weight: 750; }
.side-badge { font-size: 9px; letter-spacing: .06em; padding: 3px 5px; border-radius: 5px; color: #80ceff; background: rgba(74,174,238,.12); }
.side-badge.short { color: #ff9fab; background: rgba(255,119,132,.11); }
.trade-meta { color: var(--muted); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trade-result { text-align: right; }
.trade-result strong { display: block; font-size: 15px; }
.trade-result span { color: var(--muted); font-size: 10px; }

.error-panel { padding: 14px 16px; margin-bottom: 14px; color: #ffd9dc; background: var(--negative-soft); border: 1px solid rgba(255,119,132,.25); border-radius: 16px; font-size: 13px; }
.hidden { display: none !important; }
.dashboard.loading { opacity: .45; pointer-events: none; }
.dashboard.loading .hero-card, .dashboard.loading .metric-card { animation: pulse 1.1s ease-in-out infinite alternate; }
@keyframes pulse { to { opacity: .62; } }
.toast { position: fixed; z-index: 10; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); transform: translate(-50%, 130%); width: max-content; max-width: calc(100% - 32px); padding: 11px 15px; color: var(--text); background: #1e3129; border: 1px solid var(--line); border-radius: 13px; box-shadow: var(--shadow); font-size: 13px; transition: transform .25s ease; }
.toast.visible { transform: translate(-50%, 0); }
.empty-row { padding: 24px; color: var(--muted); text-align: center; font-size: 13px; }

@media (min-width: 680px) {
  .app-shell { padding-left: 24px; padding-right: 24px; }
  .controls { grid-template-columns: minmax(210px, 1fr) 220px; align-items: center; }
  .periods { grid-column: 1 / -1; justify-content: center; }
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
  .details-grid { grid-template-columns: repeat(4, 1fr); }
  .monthly-list { grid-template-columns: repeat(2, 1fr); }
  .comparison-list { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}