@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --g900: #14532d; --g800: #166534; --g700: #15803d; --g600: #16a34a;
  --g500: #22c55e; --g400: #4ade80; --g200: #bbf7d0; --g100: #dcfce7; --g50: #f0fdf4;
  --n900: #0f172a; --n800: #1e293b; --n700: #334155; --n600: #475569;
  --n500: #64748b; --n400: #94a3b8; --n300: #cbd5e1; --n200: #e2e8f0;
  --n100: #f1f5f9; --n50: #f8fafc; --white: #ffffff;
  --red: #dc2626; --red-l: #fee2e2; --amber: #d97706; --amber-l: #fef3c7;
  --blue: #2563eb; --blue-l: #dbeafe; --purple: #7c3aed; --purple-l: #ede9fe;
  --radius: 10px; --radius-lg: 16px;
  --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.04);
  --shadow-md: 0 10px 15px rgba(0,0,0,.07), 0 4px 6px rgba(0,0,0,.04);
  --shadow-lg: 0 20px 25px rgba(0,0,0,.08), 0 8px 10px rgba(0,0,0,.04);
}

body {
  background: var(--n100);
  color: var(--n800);
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 13.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ── HEADER ── */
.app-header {
  background: linear-gradient(to right, var(--g900), var(--g800));
  color: white;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  position: sticky;
  top: 0;
  z-index: 200;
  gap: 16px;
}

.header-brand { display: flex; align-items: center; gap: 12px; }
.header-logo {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.08));
  border: 1.5px solid rgba(255,255,255,.3);
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.15), inset 0 1px 0 rgba(255,255,255,.2);
}
.header-title {
  font-size: 17px; font-weight: 800; letter-spacing: -.5px;
  background: linear-gradient(to right, #fff, rgba(255,255,255,.85));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.header-sub { font-size: 10.5px; opacity: .55; margin-top: 1px; letter-spacing: .1px; }

.header-rates { display: flex; gap: 6px; }
.hdr-rate {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 7px;
  padding: 5px 11px;
  text-align: center;
  min-width: 82px;
}
.hdr-rate-label { font-size: 9px; opacity: .65; text-transform: uppercase; letter-spacing: .6px; }
.hdr-rate-value { font-size: 15px; font-weight: 700; color: var(--g400); letter-spacing: -.3px; }

.update-time {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.9);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.btn-refresh {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  padding: 4px 10px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all .15s;
}
.btn-refresh:hover { background: rgba(255,255,255,.2); }
.countdown { color: rgba(255,255,255,.4); font-size: 10px; white-space: nowrap; }

/* ── TICKER ── */
.ticker-bar {
  background: var(--g900);
  color: rgba(255,255,255,.8);
  font-size: 11.5px;
  padding: 5px 0;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-inner {
  display: inline-block;
  animation: ticker 40s linear infinite;
  padding-left: 100%;
}
.ticker-inner:hover { animation-play-state: paused; }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-100%); } }
.ticker-item { display: inline-block; padding: 0 32px; border-right: 1px solid rgba(255,255,255,.15); }
.ticker-item strong { color: var(--g400); margin-left: 4px; font-weight: 600; }

/* ── NAV ── */
.app-nav {
  background: var(--white);
  border-bottom: 1px solid var(--n200);
  padding: 0 28px;
  display: flex;
  gap: 0;
  box-shadow: var(--shadow-xs);
}
.tab-btn {
  padding: 14px 18px;
  background: none;
  border: none;
  border-bottom: 2.5px solid transparent;
  color: var(--n500);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  margin-bottom: -1px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.tab-btn:hover { color: var(--g700); background: var(--g50); }
.tab-btn.active { color: var(--g700); border-bottom-color: var(--g600); font-weight: 600; }

/* ── MAIN ── */
main { max-width: 1440px; margin: 0 auto; padding: 24px 28px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── CARDS ── */
.card {
  background: var(--white);
  border: 1px solid var(--n200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card:hover { box-shadow: var(--shadow); }
.card-pad { padding: 20px 24px; }
.card-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--n100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h3 { font-size: 13.5px; font-weight: 600; color: var(--n800); display: flex; align-items: center; gap: 8px; }
.card-body { padding: 16px 20px; }

/* ── METRIC CARDS ── */
.metrics-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; margin-bottom: 24px; }

.metric-card {
  background: var(--white);
  border: 1px solid var(--n200);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--g600);
  position: relative;
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
}
.metric-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.metric-label { font-size: 10px; text-transform: uppercase; letter-spacing: .7px; color: var(--n500); margin-bottom: 6px; font-weight: 500; }
.metric-value { font-size: 24px; font-weight: 800; color: var(--g700); letter-spacing: -.8px; }
.metric-sub { font-size: 11px; color: var(--n400); margin-top: 4px; }
.metric-card.amber { border-top-color: var(--amber); }
.metric-card.amber .metric-value { color: var(--amber); }
.metric-card.blue { border-top-color: var(--blue); }
.metric-card.blue .metric-value { color: var(--blue); }
.metric-card.red { border-top-color: var(--red); }
.metric-card.red .metric-value { color: var(--red); }

/* ── GRIDS ── */
.grid-2-1 { display: grid; grid-template-columns: 1fr 360px; gap: 20px; margin-bottom: 20px; }
.grid-2   { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.grid-3   { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 20px; }

/* ── TABLES ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { background: var(--n50); }
th {
  padding: 10px 13px;
  text-align: left;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--n500);
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 2px solid var(--n200);
  cursor: pointer;
  user-select: none;
  font-family: inherit;
}
th:hover { color: var(--g700); }
th.sorted { color: var(--g700); }
td { padding: 11px 13px; border-bottom: 1px solid var(--n100); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--g50); }
.td-name { font-weight: 600; color: var(--n800); }
.td-name small { display: block; font-weight: 400; color: var(--n400); font-size: 11px; margin-top: 1px; }

/* ── BADGES ── */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 10.5px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-green  { background: var(--g100); color: var(--g700); }
.badge-gray   { background: var(--n100); color: var(--n600); }
.badge-amber  { background: var(--amber-l); color: var(--amber); }
.badge-red    { background: var(--red-l); color: var(--red); }
.badge-blue   { background: var(--blue-l); color: var(--blue); }
.badge-purple { background: var(--purple-l); color: var(--purple); }

/* ── FORMS ── */
.form-row { margin-bottom: 16px; }
label.field-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--n500);
  font-weight: 600;
  margin-bottom: 6px;
}
input[type=number], input[type=text], select {
  width: 100%;
  background: var(--white);
  border: 1.5px solid var(--n200);
  color: var(--n800);
  padding: 10px 13px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
}
input:focus, select:focus {
  border-color: var(--g500);
  box-shadow: 0 0 0 3px rgba(34,197,94,.12);
}
select option { background: white; }
input[type=range] { width: 100%; accent-color: var(--g600); cursor: pointer; padding: 0; border: none; box-shadow: none; }
.range-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--n400); margin-top: 4px; }

.btn-primary {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, var(--g700), var(--g600));
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
  letter-spacing: .1px;
  box-shadow: 0 2px 8px rgba(22,163,74,.3);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--g800), var(--g700)); box-shadow: 0 4px 12px rgba(22,163,74,.4); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* ── RANKING ── */
.rank-list { display: flex; flex-direction: column; gap: 10px; }
.rank-item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--n200);
  border-radius: var(--radius);
  border-left: 4px solid var(--n300);
  transition: all .2s;
}
.rank-item:hover { box-shadow: var(--shadow-md); border-color: var(--g200); transform: translateX(2px); }
.rank-item.r1 { border-left-color: #f59e0b; background: linear-gradient(to right, #fffbeb, white); }
.rank-item.r2 { border-left-color: #94a3b8; }
.rank-item.r3 { border-left-color: #92400e; }
.rank-medal {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
  flex-shrink: 0;
}
.rank-medal-1 { background: linear-gradient(135deg, #f59e0b, #fbbf24); color: white; box-shadow: 0 2px 8px rgba(245,158,11,.4); }
.rank-medal-2 { background: linear-gradient(135deg, #94a3b8, #cbd5e1); color: white; }
.rank-medal-3 { background: linear-gradient(135deg, #92400e, #b45309); color: white; }
.rank-medal-n { background: var(--n100); color: var(--n500); font-size: 12px; }
.rank-name { font-weight: 700; font-size: 14px; margin-bottom: 5px; }
.rank-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.rank-yield { text-align: right; }
.rank-gross { font-size: 20px; font-weight: 800; color: var(--g700); letter-spacing: -.5px; }
.rank-net { font-size: 11px; color: var(--n400); margin-top: 2px; }

/* ── GAIN HERO ── */
.gain-hero {
  background: linear-gradient(135deg, #14532d 0%, #166534 40%, #15803d 100%);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  color: white;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(20,83,45,.3), 0 2px 8px rgba(20,83,45,.2);
}
.gain-hero::before {
  content: '';
  position: absolute;
  top: -50px; right: -50px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
}
.gain-hero::after {
  content: '';
  position: absolute;
  bottom: -40px; left: 25%;
  width: 150px; height: 150px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
}
.gain-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.gain-hero-label { font-size: 10.5px; font-weight: 500; letter-spacing: .8px; text-transform: uppercase; opacity: .65; margin-bottom: 8px; }
.gain-hero-amount { font-size: 52px; font-weight: 900; letter-spacing: -3px; line-height: 1; margin-bottom: 6px; }
.gain-hero-subtitle { font-size: 14px; opacity: .8; font-weight: 500; }
.gain-comps { display: flex; flex-direction: column; gap: 8px; }
.gain-comp {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 9px;
  padding: 10px 14px;
  min-width: 200px;
}
.gain-comp-label { font-size: 10px; opacity: .65; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 3px; }
.gain-comp-value { font-size: 16px; font-weight: 700; }
.gain-comp-value.better { color: #86efac; }
.gain-comp-value.neutral { color: rgba(255,255,255,.9); }

/* ── RECOMMENDATION CARDS ── */
.rec-list { display: flex; flex-direction: column; gap: 12px; }
.rec-card {
  background: var(--white);
  border: 1.5px solid var(--n200);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 14px;
  align-items: center;
  transition: all .2s;
  position: relative;
}
.rec-card:hover { box-shadow: var(--shadow-md); border-color: var(--g200); }
.rec-card.featured {
  border-color: var(--g300, #86efac);
  background: linear-gradient(to right, var(--g50), var(--white));
  box-shadow: 0 4px 16px rgba(22,163,74,.12);
}
.rec-card-rank {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
  flex-shrink: 0;
}
.rec-card-rank-1 { background: linear-gradient(135deg,#f59e0b,#fbbf24); color:white; box-shadow: 0 2px 8px rgba(245,158,11,.4); }
.rec-card-rank-2 { background: linear-gradient(135deg,#94a3b8,#cbd5e1); color:white; }
.rec-card-rank-3 { background: linear-gradient(135deg,#92400e,#b45309); color:white; }
.rec-card-rank-n { background: var(--n100); color: var(--n500); font-size: 12px; }
.rec-card-name { font-weight: 700; font-size: 14px; color: var(--n900); margin-bottom: 5px; }
.rec-card-tags { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 4px; }
.rec-card-meta { font-size: 11.5px; color: var(--n400); }
.rec-card-where {
  font-size: 11px;
  margin-top: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.rec-card-where a {
  color: var(--g700);
  font-weight: 600;
  text-decoration: none;
}
.rec-card-where a:hover { text-decoration: underline; }
.rec-gain { text-align: right; }
.rec-gain-amount { font-size: 22px; font-weight: 800; color: var(--g700); letter-spacing: -.7px; }
.rec-gain-rate { font-size: 12px; color: var(--n400); margin-top: 2px; }
.rec-gain-total { font-size: 12px; font-weight: 600; color: var(--n600); margin-top: 3px; }

/* ── SIMULATOR ── */
.sim-layout { display: grid; grid-template-columns: 360px 1fr; gap: 24px; align-items: start; }

/* Result hero */
.result-hero {
  background: linear-gradient(135deg, var(--g800), var(--g700));
  border-radius: var(--radius);
  padding: 24px;
  color: white;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.result-hero::before {
  content: 'R$';
  position: absolute;
  right: 16px; top: 8px;
  font-size: 72px;
  font-weight: 900;
  opacity: .06;
  line-height: 1;
}
.result-hero-label { font-size: 10px; opacity: .65; text-transform: uppercase; letter-spacing: .6px; margin-bottom: 4px; }
.result-hero-value { font-size: 40px; font-weight: 900; letter-spacing: -1.5px; }
.result-hero-sub { font-size: 13px; opacity: .8; margin-top: 4px; }

.result-rows { display: flex; flex-direction: column; gap: 1px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--n100); }
.result-row { display: flex; justify-content: space-between; align-items: center; padding: 9px 14px; background: var(--n50); }
.result-row:nth-child(even) { background: var(--white); }
.result-row-label { color: var(--n600); }
.result-row-value { font-weight: 600; }
.result-row-value.green { color: var(--g700); }
.result-row-value.red   { color: var(--red); }
.result-row-value.amber { color: var(--amber); }

/* ── CHARTS ── */
.chart-wrap {
  background: var(--white);
  border: 1px solid var(--n200);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}
.chart-title { font-size: 13px; font-weight: 600; color: var(--n700); margin-bottom: 14px; }
canvas { display: block; width: 100%; }

/* ── GAIN CHART TOOLTIP ── */
.gain-chart-tip {
  position: absolute;
  z-index: 20;
  background: #fff;
  border: 1px solid var(--n200);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,.13);
  padding: 8px 12px;
  pointer-events: none;
  min-width: 160px;
  max-width: 240px;
}
.gct-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--n500);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--n200);
  padding-bottom: 4px;
}
.gct-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 2px 0;
}
.gct-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.gct-name {
  flex: 1;
  color: var(--n700);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gct-val {
  font-weight: 700;
  white-space: nowrap;
}

/* ── INFO BOXES ── */
.info-box {
  background: var(--blue-l);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 12px;
  color: #1e40af;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.info-box.amber { background: var(--amber-l); border-color: #fcd34d; color: #92400e; }
.info-box.green { background: var(--g100); border-color: var(--g200); color: var(--g900); }

/* ── FILTER BAR ── */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--white);
  border: 1px solid var(--n200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}
.filter-bar select, .filter-bar input[type=text] { width: auto; min-width: 140px; font-size: 13px; padding: 7px 10px; }

/* ── RATE BARS ── */
.rate-bar-wrap { display: flex; align-items: center; gap: 8px; }
.rate-bar-track { flex: 1; max-width: 80px; height: 5px; background: var(--n200); border-radius: 3px; overflow: hidden; }
.rate-bar-fill { height: 100%; border-radius: 3px; background: var(--g500); }
.rate-bar-fill.amber { background: var(--amber); }
.rate-bar-fill.red { background: var(--red); }

/* ── DOTS ── */
.dots { display: flex; gap: 3px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--n200); }
.dot.g { background: var(--g500); }
.dot.a { background: var(--amber); }
.dot.r { background: var(--red); }

/* ── MISC ── */
.ic-yes { color: var(--g600); font-weight: 700; }
.ic-no  { color: var(--n300); }
.poupanca-row td { color: var(--red) !important; background: var(--red-l) !important; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.section-title { font-size: 15px; font-weight: 700; color: var(--n800); }
.section-sub { font-size: 12px; color: var(--n400); margin-top: 2px; }

/* ── LOADING ── */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(255,255,255,.95);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  z-index: 999; gap: 16px;
}
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--n200);
  border-top-color: var(--g600);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-size: 13px; color: var(--n500); font-weight: 500; }

/* ── BANNER ── */
.real-data-banner {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  border-radius: var(--radius);
  padding: 11px 16px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.real-data-banner code { background: rgba(0,0,0,.07); padding: 1px 6px; border-radius: 3px; font-family: monospace; font-size: 11px; }

/* ── SCROLL TOP ── */
.scroll-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 40px; height: 40px;
  background: var(--g700);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition: opacity .2s, transform .2s;
  z-index: 100;
  font-family: inherit;
}
.scroll-top.visible { opacity: 1; }
.scroll-top:hover { transform: translateY(-2px); }

/* ── REC INPUT BAR ── */
.rec-input-bar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.rec-input-bar .form-row { margin-bottom: 0; flex: 1; min-width: 140px; }
.rec-input-bar .btn-primary { width: auto; min-width: 160px; white-space: nowrap; }

/* ── GAIN TIMELINE ── */
.gain-milestones {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 16px;
}
.gain-milestone {
  background: var(--white);
  border: 1px solid var(--n200);
  border-radius: var(--radius);
  padding: 12px 14px;
  text-align: center;
  position: relative;
}
.gain-milestone::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--g600);
  border-radius: var(--radius) var(--radius) 0 0;
}
.milestone-period { font-size: 10px; text-transform: uppercase; letter-spacing: .5px; color: var(--n400); margin-bottom: 4px; }
.milestone-gain { font-size: 18px; font-weight: 800; color: var(--g700); letter-spacing: -.5px; }
.milestone-total { font-size: 11px; color: var(--n400); margin-top: 2px; }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .metrics-grid { grid-template-columns: repeat(3,1fr); }
  .grid-2-1 { grid-template-columns: 1fr; }
  .gain-hero-inner { grid-template-columns: 1fr; }
  .gain-comps { flex-direction: row; flex-wrap: wrap; }
  .gain-comp { min-width: 0; flex: 1 1 160px; }
}

@media (max-width: 900px) {
  .metrics-grid { grid-template-columns: repeat(2,1fr); }
  .sim-layout { grid-template-columns: 1fr; }
  .header-rates { display: none; }
  .gain-hero-amount { font-size: 40px; }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  /* gain comps: stack vertically */
  .gain-comps { flex-direction: column; }
  .gain-comp { min-width: 0; }

  /* rec-card: gain below the info row */
  .rec-card {
    grid-template-columns: 36px 1fr;
    row-gap: 8px;
  }
  .rec-gain {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    align-items: baseline;
    text-align: left;
    padding-top: 8px;
    border-top: 1px solid var(--n100);
  }
  .rec-gain-amount { font-size: 18px; }
  .rec-gain-rate, .rec-gain-total { font-size: 11px; }
}

@media (max-width: 600px) {
  /* header */
  .app-header { height: auto; min-height: 52px; padding: 8px 14px; flex-wrap: wrap; gap: 6px; }
  .header-sub { display: none; }
  .header-logo { width: 30px; height: 30px; font-size: 12px; border-radius: 7px; }
  .header-title { font-size: 14px; }
  .update-time { display: none; }
  .countdown { display: none; }
  .header-actions { gap: 6px; }

  /* nav: icons only */
  .app-nav { padding: 0 8px; overflow-x: auto; justify-content: space-around; }
  .tab-label { display: none; }
  .tab-btn { padding: 12px 14px; gap: 0; font-size: 0; }
  .tab-btn svg { width: 17px; height: 17px; }
  .tab-btn.active svg { stroke: var(--g700); }

  /* main */
  main { padding: 12px; }

  /* metrics */
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
  .metric-value { font-size: 20px; }

  /* gain hero */
  .gain-hero { padding: 18px 16px; border-radius: 12px; }
  .gain-hero-amount { font-size: 34px; letter-spacing: -2px; }
  .gain-hero-label { font-size: 10px; }
  .gain-hero-subtitle { font-size: 12px; }
  .gain-milestones { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
  .gain-milestone { display: block !important; }
  .milestone-gain { font-size: 15px; }

  /* rank cards */
  .rank-item { padding: 12px 14px; gap: 10px; }
  .rank-gross { font-size: 17px; }

  /* cards */
  .card-pad { padding: 16px; }
  .card-header { padding: 12px 16px; }
  .card-body { padding: 12px 16px; }

  /* tables */
  th, td { padding: 8px 9px; font-size: 11.5px; }

  /* rec input bar */
  .rec-input-bar { flex-direction: column; gap: 8px; padding: 14px 16px; }
  .rec-input-bar .form-row { min-width: 0 !important; width: 100%; flex: none; }
  .rec-input-bar .btn-primary { width: 100%; padding: 12px; }

  /* filter bar */
  .filter-sep { display: none; }
  .filter-bar { gap: 8px; padding: 10px 12px; }
  .filter-bar select { min-width: 0; flex: 1; }

  /* sim layout */
  .sim-layout { gap: 14px; }

  /* grid-2 (calculator) already 1fr at 900px */

  /* scroll top */
  .scroll-top { bottom: 14px; right: 14px; width: 36px; height: 36px; font-size: 14px; }

  /* range */
  .range-labels { font-size: 9px; }
}