:root {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-elevated: #334155;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #ea580c;
  --accent-hover: #f97316;
  --accent-soft: rgba(234, 88, 12, 0.15);
  --green: #10b981;
  --green-soft: rgba(16, 185, 129, 0.15);
  --amber: #f59e0b;
  --amber-soft: rgba(245, 158, 11, 0.15);
  --red: #ef4444;
  --red-soft: rgba(239, 68, 68, 0.15);
  --blue: #3b82f6;
  --blue-soft: rgba(59, 130, 246, 0.15);
  --border: #334155;
  --radius: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding-bottom: 92px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ea580c, #dc2626);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.35);
}

.brand h1 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

@media (min-width: 768px) {
  .kpi-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.kpi-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.kpi-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
}

.card-subtitle {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 1.15rem;
  font-weight: 800;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-orange {
  background: var(--accent-soft);
  color: #fb923c;
  border: 1px solid rgba(251, 146, 60, 0.3);
}

.badge-green {
  background: var(--green-soft);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-amber {
  background: var(--amber-soft);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-red {
  background: var(--red-soft);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.badge-blue {
  background: var(--blue-soft);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: #475569;
}

.btn-secondary:hover {
  background: #475569;
}

.btn-success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 0.78rem;
  border-radius: 8px;
}

.chips-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 14px;
}

.chip {
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
}

.chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
}

.nav-item {
  flex: 1;
  max-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 4px;
  border-radius: 10px;
  color: var(--text-muted);
  background: transparent;
  border: none;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
}

.nav-item .nav-icon {
  font-size: 1.25rem;
}

.nav-item.active {
  color: #fb923c;
  background: rgba(234, 88, 12, 0.12);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 640px) {
  .form-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.input-group label {
  display: block;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 600;
}

.input,
.select {
  width: 100%;
  padding: 9px 12px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}

.input:focus,
.select:focus {
  outline: none;
  border-color: var(--accent);
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: rgba(15, 23, 42, 0.6);
  padding: 10px;
  border-radius: 10px;
  margin-top: 10px;
}

.metric-box {
  text-align: center;
}

.metric-box span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.metric-box strong {
  font-size: 0.95rem;
}

.status-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.step-btn {
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  cursor: pointer;
}

.step-btn.current {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.eq-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  margin-bottom: 8px;
}

.eq-row.unselected {
  opacity: 0.55;
}

.eq-row.bought {
  border-color: rgba(16, 185, 129, 0.5);
  background: rgba(16, 185, 129, 0.06);
}

.checkbox-btn {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  border: 2px solid #64748b;
  background: transparent;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.checkbox-btn.checked {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox-btn.checked-green {
  background: var(--green);
  border-color: var(--green);
}

.code-block {
  background: #090d16;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8rem;
  color: #e2e8f0;
  overflow-x: auto;
  margin-top: 8px;
  white-space: pre;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}