@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=DM+Mono:wght@400;500&display=swap');

:root {
  --bg: #0a0a0f;
  --surface: #13131a;
  --surface2: #1c1c26;
  --border: #2a2a3a;
  --accent: #7c6ef5;
  --accent2: #5b4fd4;
  --accent-glow: rgba(124,110,245,0.15);
  --green: #34d399;
  --red: #f87171;
  --yellow: #fbbf24;
  --text: #f0f0f8;
  --muted: #8888aa;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 60% 20%, rgba(124,110,245,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(91,79,212,0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* NAV */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 12px;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 8px;
  border-radius: 6px;
  transition: all 0.2s;
  white-space: nowrap;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent);
  background: var(--accent-glow);
}

@media (max-width: 600px) { .nav-links { display: none; } }

/* CONTAINER */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  position: relative;
  z-index: 1;
}

/* HEADER */
header {
  padding: 36px 0 28px;
  margin-bottom: 32px;
  animation: fadeUp 0.5s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-glow);
  border: 1px solid rgba(124,110,245,0.3);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 12px;
}

h1 span { color: var(--accent); }

.subtitle {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 560px;
}

/* SECTION LABEL */
.section-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* CARDS */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 14px;
  animation: fadeUp 0.4s ease both;
}

.card:hover { border-color: rgba(124,110,245,0.3); }

/* LAYOUT */
.layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  align-items: start;
}

@media (max-width: 700px) {
  .layout { grid-template-columns: 1fr; }
  .summary { position: static !important; }
}

/* GRIDS */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
@media (max-width: 580px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* FIELDS */
.field { display: flex; flex-direction: column; gap: 6px; }

label {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

input, select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 14px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  width: 100%;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}

input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select option { background: var(--surface2); }

.prefix-wrap { position: relative; }
.prefix-wrap .prefix {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-weight: 700;
  font-family: 'DM Mono', monospace;
  pointer-events: none;
  font-size: 0.9rem;
}
.prefix-wrap input { padding-left: 28px; }

.suffix-wrap { position: relative; }
.suffix-wrap .suffix {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.78rem;
  pointer-events: none;
}

.hint { font-size: 0.7rem; color: var(--muted); line-height: 1.5; }

/* SUMMARY */
.summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  position: sticky;
  top: 72px;
}

.summary-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 16px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.summary-row:last-of-type { border-bottom: none; }
.summary-row .label { color: var(--muted); }
.summary-row .value {
  font-family: 'DM Mono', monospace;
  font-weight: 500;
  font-size: 0.95rem;
}

.summary-row.total {
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--accent);
  border-bottom: none;
}

.summary-row.total .label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-row.total .value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  font-family: 'DM Mono', monospace;
}

/* RESULT BOX */
.result-box {
  background: var(--accent-glow);
  border: 1px solid rgba(124,110,245,0.3);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  margin-bottom: 14px;
}

.result-box .result-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 6px;
}

.result-box .result-value {
  font-family: 'DM Mono', monospace;
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--accent);
  line-height: 1;
}

.result-box .result-sub {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 6px;
}

/* HEALTH */
.health {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 9px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.health.good { background: rgba(52,211,153,0.1); color: var(--green); border: 1px solid rgba(52,211,153,0.2); }
.health.ok { background: rgba(251,191,36,0.1); color: var(--yellow); border: 1px solid rgba(251,191,36,0.2); }
.health.bad { background: rgba(248,113,113,0.1); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.good .dot { background: var(--green); }
.ok .dot { background: var(--yellow); }
.bad .dot { background: var(--red); }

/* BAR */
.bar-wrap { margin: 12px 0 6px; }
.bar-label { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--muted); margin-bottom: 6px; }
.bar-track { height: 4px; background: var(--border); border-radius: 4px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent2), var(--accent)); border-radius: 4px; transition: width 0.4s ease; width: 0%; }

/* BUTTONS */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  width: 100%;
  margin-top: 14px;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}

.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }

.btn-secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 20px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
  transition: all 0.2s;
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* TOOL CARDS (homepage) */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
  display: block;
}

.tool-card:hover {
  border-color: rgba(124,110,245,0.4);
  background: var(--surface2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,110,245,0.1);
}

.tool-card .icon { font-size: 1.6rem; margin-bottom: 10px; }
.tool-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.tool-card p { font-size: 0.78rem; color: var(--muted); line-height: 1.5; }

/* AFFILIATE BOX */
.affiliate-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

.affiliate-box strong { color: var(--text); }
.affiliate-box a { color: var(--accent); text-decoration: none; font-weight: 600; }

/* INFO BOX */
.info-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  margin: 12px 0;
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.6;
}

.info-box strong { color: var(--text); }

/* BREADCRUMB */
.breadcrumb { font-size: 0.72rem; color: var(--muted); margin-bottom: 12px; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb span { margin: 0 6px; opacity: 0.4; }

/* RELATED LINKS */
.related { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.related a { color: var(--accent); font-size: 0.82rem; font-weight: 600; text-decoration: none; }
.related a:hover { text-decoration: underline; }

/* TOAST */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 999;
  transform: translateY(60px);
  opacity: 0;
  transition: all 0.3s;
}

.toast.show { transform: translateY(0); opacity: 1; }

/* MARKET RATES TABLE */
.rates-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin-top: 10px; }
.rates-table th { background: var(--surface2); color: var(--muted); padding: 8px 12px; text-align: left; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 1px; }
.rates-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.rates-table tr:last-child td { border-bottom: none; }
.rates-table .hi { color: var(--green); font-weight: 600; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 24px 20px;
  text-align: center;
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  color: var(--muted);
}

footer a { color: var(--accent); text-decoration: none; }