:root {
  --primary: #10B981;
  --primary-dim: rgba(16, 185, 129, 0.12);
  --secondary: #34D399;
  --accent: #F59E0B;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --bg: #0A140A;
  --bg-card: #111D11;
  --bg-surface: #1A2E1A;
  --bg-input: #0D180D;
  --border: rgba(16, 185, 129, 0.12);
  --border-hover: rgba(16, 185, 129, 0.3);
  --text: #E2E8F0;
  --text-dim: #94A3B8;
  --text-muted: #64748B;
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; }
.app { max-width: 800px; margin: 0 auto; padding: 0 20px 60px; }

.header { padding: 32px 0 16px; text-align: center; }
.header-content { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { font-size: 1.6rem; }
.logo-text { font-size: 1.3rem; font-weight: 700; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.tagline { font-size: 0.82rem; color: var(--text-muted); margin-top: 4px; }

.btn-primary, .btn-secondary { padding: 10px 20px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all var(--transition); }
.btn-primary { background: var(--primary); color: #000; border-color: var(--primary); }
.btn-primary:hover { box-shadow: 0 0 20px rgba(16, 185, 129, 0.3); }
.btn-secondary { background: var(--bg-card); color: var(--text); }
.btn-secondary:hover { border-color: var(--border-hover); }

.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.card-title { font-size: 0.85rem; font-weight: 700; color: var(--text-dim); margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }

.inputs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.label { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.input { padding: 8px 12px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px; color: var(--text); font-family: var(--font); font-size: 0.85rem; outline: none; transition: border-color var(--transition); }
.input:focus { border-color: var(--primary); }

/* Rate Hero */
.rate-hero { text-align: center; padding: 28px 20px; background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(52, 211, 153, 0.04)); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; }
.rate-hero-value { font-size: 3rem; font-weight: 700; font-family: var(--mono); color: var(--secondary); }
.rate-hero-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

.summary-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.summary-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; text-align: center; }
.summary-value { font-size: 1.2rem; font-weight: 700; font-family: var(--mono); color: var(--secondary); }
.summary-label { font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; margin-top: 4px; }
.summary-card.accent .summary-value { color: var(--accent); }

/* Breakdown */
.breakdown { display: flex; flex-direction: column; gap: 8px; }
.breakdown-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.breakdown-label { font-size: 0.82rem; color: var(--text-dim); }
.breakdown-value { font-size: 0.85rem; font-family: var(--mono); font-weight: 600; }
.breakdown-value.negative { color: #EF4444; }
.breakdown-value.positive { color: var(--secondary); }

/* Market bars */
.market-bars { display: flex; flex-direction: column; gap: 10px; }
.market-row { display: flex; align-items: center; gap: 12px; }
.market-role { width: 140px; font-size: 0.78rem; color: var(--text-dim); flex-shrink: 0; }
.market-bar-wrapper { flex: 1; height: 20px; background: var(--bg-surface); border-radius: 10px; overflow: hidden; position: relative; }
.market-bar { height: 100%; border-radius: 10px; transition: width 0.5s ease; }
.market-bar.low { background: var(--text-muted); }
.market-bar.mid { background: var(--primary); }
.market-bar.high { background: var(--accent); }
.market-bar.you { background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.market-value { font-size: 0.72rem; font-family: var(--mono); color: var(--text-dim); min-width: 50px; text-align: right; }

/* Rate Card */
.rate-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.rate-card-header .card-title { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.rate-card { font-family: var(--mono); font-size: 0.78rem; color: var(--secondary); background: var(--bg-input); padding: 16px; border-radius: 8px; white-space: pre-wrap; line-height: 1.6; border: 1px solid var(--border); }

@media (max-width: 640px) { .inputs-grid { grid-template-columns: 1fr; } .summary-cards { grid-template-columns: 1fr 1fr; } }