@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=DM+Sans:wght@300;400;500&display=swap');

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

html { font-size: 16px; }

body {
  font-family: 'DM Sans', sans-serif;
  background: #0a0a0a;
  color: #f0f0f0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 56px;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
  position: sticky;
  top: 0;
  background: #0a0a0a;
  z-index: 10;
}
.nav-logo {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  color: #1D9E75;
  letter-spacing: 0.05em;
  text-decoration: none;
}
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover { color: #fff; }
.nav-links a.active { color: #fff; }

/* ── Hero ── */
.hero {
  padding: 5rem 2rem 4rem;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
}
.hero-tag {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: #1D9E75;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: 42px;
  font-weight: 300;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 1rem;
  max-width: 520px;
}
.hero h1 span { color: #1D9E75; font-weight: 500; }
.hero p {
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  max-width: 420px;
  line-height: 1.7;
}

/* ── Calculator grid (homepage) ── */
.calc-grid { padding: 3rem 2rem; flex: 1; }
.calc-grid-label {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1.25rem;
}
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.card {
  background: #111;
  border: 0.5px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 1.25rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.2s, background 0.2s;
}
.card:hover { border-color: rgba(29,158,117,0.5); background: #141414; }
.card.disabled { cursor: default; opacity: 0.5; pointer-events: none; }
.card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(29,158,117,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.card-icon svg { width: 16px; height: 16px; }
.card h3 { font-size: 13px; font-weight: 500; color: #fff; margin-bottom: 4px; }
.card p { font-size: 12px; color: rgba(255,255,255,0.4); line-height: 1.5; }
.card-tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 4px;
  font-family: 'Space Mono', monospace;
}
.card-tag.live { background: rgba(29,158,117,0.15); color: #1D9E75; }
.card-tag.soon { background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.3); }

/* ── Footer ── */
.footer {
  padding: 1.5rem 2rem;
  border-top: 0.5px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}
.footer-logo {
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: #1D9E75;
}
.footer-copy { font-size: 11px; color: rgba(255,255,255,0.2); }

/* ── Calculator page layout ── */
.calc-page { padding: 2rem; flex: 1; }
.breadcrumb {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb a { color: rgba(255,255,255,0.45); text-decoration: none; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255,255,255,0.2); }
.calc-page-title { font-size: 24px; font-weight: 300; color: #fff; margin-bottom: 4px; }
.calc-page-sub { font-size: 13px; color: rgba(255,255,255,0.4); margin-bottom: 2rem; }

/* ── Calculator inner ── */
.calc-inner {
  background: #111;
  border: 0.5px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 1.75rem;
  max-width: 760px;
}

.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 1.25rem;
}
.inp-field { display: flex; flex-direction: column; gap: 5px; }
.inp-field label {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.inp-field input {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  padding: 9px 11px;
  border-radius: 8px;
  border: 0.5px solid rgba(255,255,255,0.1);
  background: #0a0a0a;
  color: #fff;
  width: 100%;
  transition: border-color 0.15s;
}
.inp-field input:focus { outline: none; border-color: #1D9E75; }
.inp-field .hint { font-size: 10px; color: rgba(255,255,255,0.25); }

.calc-btn {
  width: 100%;
  padding: 12px;
  background: #1D9E75;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 1.75rem;
  letter-spacing: 0.04em;
  transition: background 0.15s;
}
.calc-btn:hover { background: #0F6E56; }

/* ── Results ── */
.results { display: none; }
.results.visible { display: block; }

.section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.25);
  margin-bottom: 10px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 8px;
  margin-bottom: 1.25rem;
}
.metric {
  background: #0a0a0a;
  border-radius: 8px;
  padding: 10px 12px;
}
.metric .ml {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 5px;
}
.metric .mv {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  font-weight: 700;
}
.mv.pos { color: #1D9E75; }
.mv.neg { color: #E24B4A; }
.mv.neu { color: #fff; }

.divider {
  border: none;
  border-top: 0.5px solid rgba(255,255,255,0.06);
  margin: 1.5rem 0;
}

/* ── Streak card ── */
.streak-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 1.25rem;
  background: #0a0a0a;
  border-radius: 10px;
  padding: 1rem 1.25rem;
}
.streak-block .sl {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.streak-block .sv {
  font-family: 'Space Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}
.sv.neg { color: #E24B4A; }
.sv.pos { color: #1D9E75; }
.streak-block .ss {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  line-height: 1.5;
}

/* ── Break-even ── */
.breakeven {
  background: #0a0a0a;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.be-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}
.be-row:last-of-type { margin-bottom: 0; }
.be-label { font-size: 12px; color: rgba(255,255,255,0.4); }
.be-val {
  font-family: 'Space Mono', monospace;
  font-size: 15px;
  font-weight: 700;
}
.be-val.pos { color: #1D9E75; }
.be-val.neg { color: #E24B4A; }
.be-val.neu { color: #fff; }
.be-bar-wrap {
  height: 5px;
  background: rgba(255,255,255,0.07);
  border-radius: 3px;
  margin-top: 14px;
  overflow: hidden;
}
.be-bar { height: 100%; border-radius: 3px; transition: width 0.4s; }
.be-bar-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
}
.be-bar-labels span { font-size: 10px; color: rgba(255,255,255,0.25); }

/* ── Chart ── */
.chart-wrap {
  background: #0a0a0a;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.chart-label {
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

/* ── Trade table ── */
.trade-table-wrap {
  background: #0a0a0a;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.25rem;
}
.trade-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 12px;
}
.trade-table-wrap th {
  padding: 8px 12px;
  text-align: left;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.3);
  border-bottom: 0.5px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.trade-table-wrap td {
  padding: 7px 12px;
  border-bottom: 0.5px solid rgba(255,255,255,0.04);
  font-family: 'Space Mono', monospace;
  color: rgba(255,255,255,0.7);
}
.trade-table-wrap tr:last-child td { border-bottom: none; }
.td-pos { color: #1D9E75 !important; }
.td-neg { color: #E24B4A !important; }

/* ── Verdict ── */
.verdict {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
  border-left: 3px solid;
}
.verdict.good { border-color: #1D9E75; background: rgba(29,158,117,0.08); color: rgba(255,255,255,0.75); }
.verdict.bad  { border-color: #E24B4A; background: rgba(226,75,74,0.08);  color: rgba(255,255,255,0.75); }
.verdict.ok   { border-color: #EF9F27; background: rgba(239,159,39,0.08); color: rgba(255,255,255,0.75); }

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero h1 { font-size: 28px; }
  .metrics-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .input-grid { grid-template-columns: 1fr; }
  .streak-card { grid-template-columns: 1fr; }
  .calc-inner { padding: 1.25rem; }
  .nav { padding: 0 1rem; }
  .hero, .calc-grid, .calc-page { padding-left: 1rem; padding-right: 1rem; }
}