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

:root {
  --bg: #0f1117;
  --card-bg: #1a1d27;
  --card-border: #2a2d3a;
  --text: #e1e4ea;
  --text-dim: #8b8f9a;
  --buy: #00c853;
  --buy-bg: rgba(0, 200, 83, 0.08);
  --sell: #ff1744;
  --sell-bg: rgba(255, 23, 68, 0.08);
  --accent: #6c5ce7;
  --health-ok: #00c853;
  --health-off: #ff1744;
  --health-connecting: #ffa726;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.order-count {
  background: var(--accent);
  color: white;
  font-size: 13px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
  min-width: 28px;
  text-align: center;
}

.health {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--health-off);
  transition: background 0.3s;
}

.health.connected {
  background: var(--health-ok);
  box-shadow: 0 0 6px var(--health-ok);
}

.health.connecting {
  background: var(--health-connecting);
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.filters {
  padding: 10px 16px;
  display: flex;
  gap: 10px;
  align-items: center;
  border-bottom: 1px solid var(--card-border);
}

.search-input {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
}

.search-input:focus {
  border-color: var(--accent);
}

.side-filters {
  display: flex;
  gap: 4px;
}

.filter-btn {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-dim);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.orders {
  padding: 8px 16px 80px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 20px;
  font-size: 15px;
}

.order-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  gap: 4px 10px;
  animation: cardIn 0.3s ease-out;
  transition: opacity 0.3s, transform 0.3s;
}

.order-card.buy {
  border-left: 3px solid var(--buy);
  background: linear-gradient(90deg, var(--buy-bg), var(--card-bg) 30%);
}

.order-card.sell {
  border-left: 3px solid var(--sell);
  background: linear-gradient(90deg, var(--sell-bg), var(--card-bg) 30%);
}

.order-card.removing {
  animation: cardOut 0.4s ease-in forwards;
}

.order-card.modified {
  animation: cardFlash 0.5s ease;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(-10px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes cardOut {
  from { opacity: 1; transform: translateX(0) scale(1); }
  to { opacity: 0; transform: translateX(60px) scale(0.95); }
}

@keyframes cardFlash {
  0%, 100% { box-shadow: none; }
  50% { box-shadow: 0 0 12px var(--accent); }
}

.card-side {
  font-size: 20px;
  grid-row: 1 / 3;
  display: flex;
  align-items: center;
}

.card-token {
  font-size: 15px;
  font-weight: 700;
}

.card-usdc {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

.card-details {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.card-time {
  font-size: 12px;
  color: var(--text-dim);
  text-align: right;
}

.card-type {
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
  background: rgba(108, 92, 231, 0.2);
  color: var(--accent);
}

.card-addr {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11px;
}

.card-tx {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
}

.card-tx:hover {
  text-decoration: underline;
}

@media (max-width: 400px) {
  .orders { padding: 6px 10px 80px; }
  .order-card { padding: 10px 12px; }
  .card-token { font-size: 14px; }
}