:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(59, 130, 246, 0.3);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-subtle: #6b7280;

  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-violet: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.07) 0%, transparent 40%);
  background-attachment: fixed;
}

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Nav */
.top-nav {
  height: 70px;
  background: rgba(17, 24, 39, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.35);
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand-text .subtext {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.connection-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #34d399;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 9999px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Main Body Layout */
.main-body {
  display: grid;
  grid-template-columns: 360px 1fr;
  flex: 1;
}

/* Sidebar */
.sidebar {
  background: rgba(17, 24, 39, 0.5);
  border-right: 1px solid var(--border-color);
  padding: 1.5rem;
  overflow-y: auto;
  height: calc(100vh - 70px);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.sidebar-header h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.badge {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-weight: 600;
}

/* Lender Filter Buttons */
.lender-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.filter-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.filter-pill.active {
  background: rgba(6, 182, 212, 0.2);
  border-color: var(--accent-cyan);
  color: #fff;
}

.deal-search-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.deal-search-box input {
  flex: 1;
  background: rgba(31, 41, 55, 0.6);
  border: 1px solid var(--border-color);
  padding: 0.55rem 0.85rem;
  border-radius: 8px;
  color: #fff;
  font-size: 0.8rem;
  outline: none;
  transition: all 0.2s;
}

.deal-search-box input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.25);
}

.deals-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.deal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.9rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.deal-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-2px);
}

.deal-card.active {
  background: rgba(6, 182, 212, 0.12);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.2);
}

.deal-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.4rem;
}

.deal-card-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: #fff;
  line-height: 1.3;
}

.deal-card-lender {
  font-size: 0.68rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
}

.deal-card-lender.ondeck {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.deal-card-lender.idea {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.deal-card-lender.quantum {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.deal-card-lender.default {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.deal-card-id {
  font-size: 0.72rem;
  color: var(--text-subtle);
  font-family: monospace;
}

.selected-deal-offers {
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.selected-deal-offers.hidden {
  display: none;
}

.section-title h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: #fff;
}

.deal-subname {
  font-size: 0.72rem;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 0.75rem;
}

.offer-cards-container {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.offer-pill-card {
  background: rgba(31, 41, 55, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.offer-pill-card:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: var(--accent-blue);
}

.offer-pill-top {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}

.offer-pill-sub {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

/* Calculator Main Content */
.calculator-content {
  padding: 2rem;
  overflow-y: auto;
  height: calc(100vh - 70px);
}

/* Tab Navigation */
.tab-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(59, 130, 246, 0.2));
  border: 1px solid rgba(6, 182, 212, 0.4);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.15);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Calculator Grid */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.calc-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-header h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.card-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.pill-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.pill-tag.success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

/* Inputs Form */
.inputs-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group select {
  background: rgba(31, 41, 55, 0.6);
  border: 1px solid var(--border-color);
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  color: #fff;
  font-size: 0.88rem;
  font-family: var(--font-family);
  outline: none;
  transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.25);
}

.input-with-prefix,
.input-with-suffix {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-prefix .prefix {
  position: absolute;
  left: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.input-with-prefix input {
  padding-left: 1.8rem;
  width: 100%;
}

.input-with-suffix .suffix {
  position: absolute;
  right: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.input-with-suffix input {
  padding-right: 1.8rem;
  width: 100%;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.kpi-box {
  background: rgba(31, 41, 55, 0.45);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.kpi-box.highlight {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(59, 130, 246, 0.12));
  border-color: rgba(6, 182, 212, 0.35);
}

.kpi-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.kpi-box.highlight .kpi-value {
  color: #38bdf8;
}

.kpi-value.warning-text {
  color: #fb923c;
}

.kpi-sub {
  font-size: 0.72rem;
  color: var(--text-subtle);
}

/* Tables */
.table-card {
  margin-top: 1.5rem;
}

.table-responsive {
  overflow-x: auto;
  max-height: 420px;
  overflow-y: auto;
  margin-top: 1rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}

.data-table th {
  background: rgba(31, 41, 55, 0.8);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: #e5e7eb;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 14px rgba(6, 182, 212, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.4);
}

.btn-outline:hover {
  background: rgba(6, 182, 212, 0.12);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.loading-spinner-wrapper {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-subtle);
  font-size: 0.8rem;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 0.75rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 1024px) {
  .main-body {
    grid-template-columns: 1fr;
  }
  .sidebar {
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }
  .calculator-grid {
    grid-template-columns: 1fr;
  }
}