:root {
  --bg:        #0a0c0f;
  --bg2:       #111418;
  --bg3:       #181c22;
  --bg4:       #1e232b;
  --border:    rgba(255,255,255,0.07);
  --border2:   rgba(255,255,255,0.12);
  --text:      #e8eaf0;
  --text2:     #7f8594;
  --text3:     #4e5463;
  --green:     #00d68f;
  --red:       #ff5c5c;
  --amber:     #f5a623;
  --blue:      #4b9fff;
  --whale:     #38bdf8;
  --whale-dim: rgba(56, 189, 248, 0.1);
  --bybit:     #9b59b6;
  --okx:       #00d4c8;
  --mempool:   #f7931a;
  --font-display: 'Syne', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  line-height: 1.5;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(10, 12, 15, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.logo img {
  width: 32px;
  height: 32px;
}

.watch {
  color: var(--whale);
}

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

#liveBadge {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text3);
  position: relative;
}

#liveBadge.live {
  background: var(--green);
  animation: pulse 2s infinite;
}

#liveBadge.waiting {
  background: var(--amber);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

#lastUpdate {
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* Widgets */
#widgets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  padding: 2rem;
}

.widget {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  border-top: 3px solid var(--whale);
}

.widget .value {
  font-size: 1.5rem;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
}

.widget .label {
  color: var(--text2);
  font-size: 0.875rem;
}

.stat-thb {
  font-size: 0.8rem;
  color: var(--text2);
  margin-top: 4px;
}

/* Filters */
#filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0 2rem 2rem;
  align-items: center;
}

#filters label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.875rem;
  color: var(--text2);
}

#filters select {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 0.5rem;
  font-family: inherit;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.whale-filter {
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem;
}

.whale-filter input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--whale);
}

/* Table */
main {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 0 2rem 1.5rem;
}

.table-wrap {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.table-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg2);
}

thead {
  position: sticky;
  top: 0;
  background: var(--bg3);
  z-index: 10;
}

th {
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

tbody tr:hover {
  background: var(--bg3);
}

tbody tr.is-whale {
  background: var(--whale-dim);
}

.coin-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
}

.coin-btc {
  background: var(--amber);
}

.coin-eth {
  background: var(--blue);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-bybit {
  background: var(--bybit);
  color: white;
}

.badge-okx {
  background: var(--okx);
  color: black;
}

.badge-coinbase {
  background: var(--blue);
  color: white;
}

.badge-mempool {
  background: var(--mempool);
  color: black;
}

.badge-buy {
  background: var(--green);
  color: black;
}

.badge-sell {
  background: var(--red);
  color: white;
}

.whale-tag {
  background: var(--whale);
  color: black;
  padding: 0.125rem 0.25rem;
  border-radius: 2px;
  font-size: 0.625rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

.empty-state {
  text-align: center;
  color: var(--text2);
  font-style: italic;
}

/* Animations */
@keyframes rowIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

tbody tr {
  animation: rowIn 0.3s ease-out;
}

@keyframes flashUp {
  0%, 100% { color: var(--green); }
  50% { color: var(--text); }
}

@keyframes flashDown {
  0%, 100% { color: var(--red); }
  50% { color: var(--text); }
}

.flashUp {
  animation: flashUp 1s ease-out;
}

.flashDown {
  animation: flashDown 1s ease-out;
}

/* Table footer */
.table-footer {
  flex-shrink: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg2);
}

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

#btnPrev, #btnNext {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-family: inherit;
}

#btnPrev:disabled, #btnNext:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border2);
}

/* Mobile */
@media (max-width: 768px) {
  #widgets {
    grid-template-columns: repeat(2, 1fr);
  }

  #filters {
    flex-direction: column;
    align-items: stretch;
  }

  #filters label {
    flex-direction: row;
    justify-content: space-between;
  }

  .whale-filter {
    justify-content: flex-start !important;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: 0.5rem;
  }
}