/* AnnuityYield CSS Design System */
:root {
  --bg: #06100c;
  --card-bg: #0d1e17;
  --card-hover: #142c23;
  --border: #1b3d30;
  --border-focus: #10b981;
  --primary: #059669;
  --primary-hover: #047857;
  --primary-light: #34d399;
  --accent: #d97706;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text-main: #f0fdf4;
  --text-muted: #86efac;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  background: rgba(13, 30, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 10px 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 18px;
}
.logo-icon { font-size: 22px; }
.logo strong { color: var(--primary-light); }

.nav-links-suite {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 0;
  scrollbar-width: none;
}
.nav-links-suite::-webkit-scrollbar { display: none; }

.nav-tool-link {
  color: #a7f3d0;
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  transition: all 0.2s;
}
.nav-tool-link:hover, .nav-tool-link.active {
  color: #fff;
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
}

.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 60px;
  flex: 1;
}

.hero-section { text-align: center; margin-bottom: 28px; }
.hero-section h1 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.hero-section p { color: #a7f3d0; font-size: 14px; max-width: 680px; margin: 0 auto; }

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  margin-bottom: 32px;
}
@media (max-width: 860px) { .calc-grid { grid-template-columns: 1fr; } }

.calc-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.card-header h2 { font-size: 16px; font-weight: 700; color: #fff; }

.fee-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #a7f3d0;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
@media (max-width: 580px) { .form-row { grid-template-columns: 1fr; } }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: #a7f3d0; }

.input-wrap { position: relative; display: flex; align-items: center; }
.currency-prefix { position: absolute; left: 12px; color: #6ee7b7; font-weight: 600; font-size: 13px; }
.suffix { position: absolute; right: 12px; color: #6ee7b7; font-weight: 600; font-size: 12px; }

input, select, textarea {
  width: 100%;
  background: #06100c;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px 10px 24px;
  color: #fff;
  font-size: 14px;
  font-family: var(--font);
  font-weight: 600;
  outline: none;
  transition: border-color 0.2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--border-focus); }

.profit-highlight {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.15) 0%, rgba(217, 119, 6, 0.15) 100%);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  margin-bottom: 18px;
}
.profit-label { font-size: 12px; font-weight: 700; color: #a7f3d0; text-transform: uppercase; letter-spacing: 0.5px; }
.profit-amount { font-size: 34px; font-weight: 800; color: #fff; margin: 6px 0 12px; }
.profit-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 12px;
}
.metric .m-label { font-size: 11px; color: #6ee7b7; display: block; }
.metric .m-val { font-size: 14px; font-weight: 700; color: #fff; }

.summary-list { display: flex; flex-direction: column; gap: 10px; }
.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #a7f3d0;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.summary-item strong { color: #fff; }

.action-btn, .share-calc-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.share-calc-btn {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: #a7f3d0;
}
.share-calc-btn:hover { background: var(--primary); color: #fff; }

.perks-rewards-section {
  background: #0d1e17;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 32px;
}
.perks-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.perks-header h3 { font-size: 15px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 8px; }
.perks-badge { background: rgba(16, 185, 129, 0.15); color: #34d399; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 4px; }
.perks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 768px) { .perks-grid { grid-template-columns: 1fr; } }
.perk-card {
  background: #06100c;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}
.perk-top { display: flex; gap: 12px; align-items: flex-start; }
.perk-icon-box { font-size: 22px; background: rgba(255, 255, 255, 0.05); padding: 8px; border-radius: 8px; }
.perk-title { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.perk-desc { font-size: 11px; color: #a7f3d0; line-height: 1.4; }
.perk-action-row { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(255, 255, 255, 0.06); padding-top: 10px; }
.perk-code-tag { font-size: 11px; font-weight: 700; color: #a7f3d0; background: rgba(16, 185, 129, 0.1); padding: 3px 8px; border-radius: 4px; }
.perk-btn { background: var(--primary); color: #fff; font-size: 11px; font-weight: 700; padding: 6px 12px; border-radius: 6px; text-decoration: none; }
.perk-btn.green { background: var(--success); }
.perk-btn:hover { opacity: 0.9; }

.footer { border-top: 1px solid var(--border); padding: 24px 0; text-align: center; font-size: 12px; color: #6ee7b7; margin-top: auto; }
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #059669;
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1000;
}
.toast.show { transform: translateY(0); opacity: 1; }