/* DROPZONE v2.0 - P2P/BitTorrent aesthetic */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=IBM+Plex+Mono:wght@400;600&display=swap');

:root {
  --bg: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-highlight: #1e1e35;
  --border: #2a2a3e;
  --border-bright: #3a3a5e;
  --text: #c8c8d4;
  --text-dim: #6a6a7e;
  --text-bright: #e8e8f0;
  --accent: #00cc88;
  --accent-dim: #008855;
  --accent-glow: #00cc8833;
  --red: #cc3344;
  --red-dim: #992233;
  --yellow: #ccaa33;
  --yellow-dim: #997722;
  --blue: #3388cc;
  --blue-dim: #225588;
  --magenta: #aa44cc;
  --cyan: #33aacc;
  --orange: #cc7733;
  --seeders-color: #00cc88;
  --leechers-color: #cc8833;
  --p2p-color: #00cc88;
  --relay-color: #ccaa33;
  --ws-color: #cc5533;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', 'IBM Plex Mono', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 15px;
}

/* Header */
header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.logo {
  color: var(--accent);
  font-size: 10px;
  line-height: 1.15;
  text-align: center;
  text-shadow: 0 0 20px var(--accent-glow);
  margin-bottom: 4px;
}

.tagline {
  text-align: center;
  color: var(--text-dim);
  font-size: 11px;
  margin-bottom: 8px;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  font-size: 11px;
  gap: 10px;
  flex-wrap: wrap;
}

.status-connected { color: var(--accent); }
.status-disconnected { color: var(--red); }

.btn-advanced {
  background: var(--bg-tertiary);
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 2px 10px;
  cursor: pointer;
  font-family: inherit;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: all 0.2s;
  margin-left: auto;
}

.btn-advanced:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
}

body.advanced-mode .btn-advanced {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
  flex-wrap: wrap;
}

.tab {
  background: var(--bg-secondary);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-bottom: none;
  padding: 6px 14px;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: all 0.15s;
}

.tab:hover {
  color: var(--text-bright);
  background: var(--bg-tertiary);
}

.tab.active {
  color: var(--accent);
  background: var(--bg-tertiary);
  border-color: var(--accent-dim);
  border-bottom: 1px solid var(--bg-tertiary);
  position: relative;
  top: 1px;
}

/* Tab content */
.tab-content {
  display: none;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-top: none;
  padding: 12px;
  min-height: 400px;
}

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

/* Toolbar */
.toolbar { margin-bottom: 8px; }

.filter-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-row label {
  color: var(--text-dim);
  font-size: 11px;
}

.filter-row select,
.filter-row input {
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  font-family: inherit;
  font-size: 12px;
}

.filter-row input {
  flex: 1;
  min-width: 150px;
}

/* Listing table */
.listing-header {
  display: grid;
  grid-template-columns: 60px 1fr 80px 40px 40px 70px 120px;
  gap: 4px;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.listing-header-advanced {
  grid-template-columns: 60px 1fr 80px 35px 35px 45px 35px 55px 45px 55px 120px;
}

.listings {
  max-height: 450px;
  overflow-y: auto;
}

.listing-row {
  display: grid;
  grid-template-columns: 60px 1fr 80px 40px 40px 70px 120px;
  gap: 4px;
  padding: 4px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  transition: background 0.1s;
  align-items: center;
}

body.advanced-mode .listing-row {
  grid-template-columns: 60px 1fr 80px 35px 35px 45px 35px 55px 45px 55px 120px;
}

.listing-row:hover {
  background: var(--bg-secondary);
}

.listing-row .col-cat { color: var(--cyan); font-size: 10px; text-transform: uppercase; }
.listing-row .col-name { color: var(--text-bright); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.listing-row .col-size { color: var(--text-dim); text-align: right; }
.listing-row .col-seeders { color: var(--seeders-color); text-align: center; font-weight: 700; }
.listing-row .col-leechers { color: var(--leechers-color); text-align: center; }
.listing-row .col-swarm { color: var(--blue); text-align: center; font-size: 11px; }
.listing-row .col-downloads { color: var(--text-dim); text-align: center; font-size: 11px; }
.listing-row .col-age { color: var(--text-dim); font-size: 11px; }
.listing-row .col-pieces { color: var(--text-dim); text-align: center; font-size: 11px; }
.listing-row .col-piece-size { color: var(--text-dim); text-align: center; font-size: 10px; }
.listing-row .col-actions { display: flex; gap: 4px; }

/* Health indicators */
.health-good { color: var(--accent) !important; }
.health-ok { color: var(--yellow) !important; }
.health-dead { color: var(--red) !important; }

.btn-sm {
  background: var(--bg-secondary);
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 2px 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}

.btn-sm:hover { background: var(--accent-dim); color: var(--bg); }

.btn-sm.btn-magnet { color: var(--magenta); border-color: var(--magenta); }
.btn-sm.btn-magnet:hover { background: var(--magenta); color: var(--bg); }

.btn-xs {
  background: var(--bg-secondary);
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 1px 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}

.btn-xs:hover { border-color: var(--accent-dim); color: var(--accent); }
.btn-xs.btn-danger { color: var(--red); border-color: var(--red-dim); }
.btn-xs.btn-danger:hover { background: var(--red-dim); color: var(--bg); }

/* Share panel */
.share-panel h2, .magnet-panel h2, .transfers-list h2 {
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 10px;
}

h2, h3 {
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 8px;
}

.drop-zone {
  border: 2px dashed var(--border-bright);
  background: var(--bg-secondary);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 12px;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.drop-zone-inner pre { color: var(--text-dim); font-size: 12px; }

.share-options {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.share-options label { color: var(--text-dim); font-size: 11px; }

.share-options select {
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  font-family: inherit;
  font-size: 12px;
}

.queued-files { margin-bottom: 12px; }

.queued-file {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  margin-bottom: 2px;
  font-size: 12px;
}

.queued-file .filename { color: var(--text-bright); }
.queued-file .filesize { color: var(--text-dim); }
.queued-file .remove-btn {
  color: var(--red);
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-weight: 700;
}

.hash-status {
  color: var(--yellow);
  font-size: 11px;
  margin-bottom: 8px;
}

.btn-primary {
  background: var(--accent-dim);
  color: var(--bg);
  border: 1px solid var(--accent);
  padding: 8px 20px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: all 0.15s;
}

.btn-primary:hover:not(:disabled) { background: var(--accent); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================================
   TRANSFERS - Enhanced with advanced details
   ============================================================ */
.transfers-list { min-height: 200px; }

.transfer-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 8px 12px;
  margin-bottom: 6px;
  transition: border-color 0.2s;
}

.transfer-item.downloading { border-left: 3px solid var(--yellow); }
.transfer-item.seeding { border-left: 3px solid var(--accent); }
.transfer-item.completed { border-left: 3px solid var(--accent); }
.transfer-item.connecting { border-left: 3px solid var(--blue); }
.transfer-item.paused { border-left: 3px solid var(--text-dim); }
.transfer-item.error { border-left: 3px solid var(--red); }

.transfer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.transfer-filename { color: var(--text-bright); font-weight: 700; }

.transfer-status { font-size: 11px; letter-spacing: 0.5px; }
.transfer-status.seeding { color: var(--accent); }
.transfer-status.downloading { color: var(--yellow); }
.transfer-status.connecting { color: var(--blue); animation: pulse 1.5s infinite; }
.transfer-status.completed { color: var(--accent); }
.transfer-status.paused { color: var(--text-dim); }
.transfer-status.error { color: var(--red); }

.progress-bar-container {
  background: var(--bg);
  border: 1px solid var(--border);
  height: 16px;
  position: relative;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent-dim);
  transition: width 0.3s;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    -45deg, transparent, transparent 4px,
    rgba(0,0,0,0.15) 4px, rgba(0,0,0,0.15) 8px
  );
  animation: barberpole 1s linear infinite;
}

@keyframes barberpole {
  from { background-position: 0 0; }
  to { background-position: 16px 0; }
}

.progress-text {
  position: absolute;
  top: 0; left: 0; right: 0;
  text-align: center;
  font-size: 10px;
  line-height: 16px;
  color: var(--text-bright);
  z-index: 1;
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
}

.transfer-stats {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  flex-wrap: wrap;
  gap: 8px;
}

.transfer-controls {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}

/* ============================================================
   ADVANCED MODE - Piece maps, peer tables, etc.
   ============================================================ */
.transfer-advanced {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.adv-stats-row {
  display: flex;
  gap: 12px;
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.adv-stats-row span {
  background: var(--bg);
  padding: 1px 6px;
  border: 1px solid var(--border);
}

/* Piece map visualization */
.piece-map-container {
  margin-bottom: 8px;
}

.piece-map-label {
  font-size: 9px;
  color: var(--text-dim);
  margin-bottom: 3px;
  letter-spacing: 1px;
}

.piece-map {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  padding: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  max-height: 80px;
  overflow: hidden;
}

.piece-cell {
  width: 4px;
  height: 4px;
  min-width: 4px;
}

.pc-missing { background: var(--bg-secondary); }
.pc-requested { background: var(--blue-dim); }
.pc-have { background: var(--yellow-dim); }
.pc-verified { background: var(--accent); }

/* Peer details table */
.peer-table {
  margin-top: 6px;
  border: 1px solid var(--border);
  overflow-x: auto;
}

.peer-table-header {
  display: grid;
  grid-template-columns: 70px 45px 80px 65px 80px 50px 45px 55px;
  gap: 4px;
  padding: 3px 6px;
  background: var(--bg);
  color: var(--accent);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.peer-table-row {
  display: grid;
  grid-template-columns: 70px 45px 80px 65px 80px 50px 45px 55px;
  gap: 4px;
  padding: 2px 6px;
  font-size: 10px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
}

.peer-table-row:hover { background: var(--bg-highlight); }

.peer-id { color: var(--text); font-weight: 600; }

.conn-direct { color: var(--p2p-color); font-weight: 700; }
.conn-relay { color: var(--relay-color); font-weight: 700; }
.conn-ws { color: var(--ws-color); font-weight: 700; }

.peer-state-connected { color: var(--accent); }
.peer-state-connecting { color: var(--blue); }
.peer-state-ws-fallback { color: var(--orange); }
.peer-state-closed { color: var(--red); }

/* ============================================================
   STATS TAB
   ============================================================ */
.stats-content { min-height: 300px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 10px 12px;
  transition: border-color 0.2s;
}

.stat-card:hover { border-color: var(--border-bright); }

.stat-label {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-bright);
}

.stat-mono {
  font-size: 11px;
  word-break: break-all;
}

.bandwidth-graph {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 8px;
  font-size: 10px;
  color: var(--text-dim);
  white-space: pre;
  overflow-x: auto;
  line-height: 1.2;
}

/* ============================================================
   SETTINGS TAB
   ============================================================ */
.settings-content { min-height: 300px; }

.settings-section {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.settings-section:last-of-type { border-bottom: none; }

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  margin-bottom: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.setting-row label {
  color: var(--text);
  font-size: 12px;
  min-width: 150px;
}

.setting-row select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  font-family: inherit;
  font-size: 12px;
  min-width: 140px;
}

.btn-toggle {
  background: var(--bg);
  color: var(--red);
  border: 1px solid var(--red-dim);
  padding: 3px 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  transition: all 0.15s;
  min-width: 100px;
  text-align: center;
}

.btn-toggle.active {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}

.btn-toggle:hover { opacity: 0.9; }

/* Magnet panel */
.magnet-panel .info-text {
  color: var(--text-dim);
  font-size: 12px;
  margin-bottom: 10px;
}

.magnet-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.magnet-input-row input {
  flex: 1;
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  font-family: inherit;
  font-size: 12px;
}

.magnet-status {
  color: var(--yellow);
  font-size: 12px;
  margin-bottom: 12px;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 15px 0;
}

.my-magnets .magnet-entry {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 6px 10px;
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.magnet-link-text {
  color: var(--magenta);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  cursor: pointer;
}

.magnet-link-text:hover { color: var(--text-bright); }

/* Empty state */
.empty-state {
  color: var(--text-dim);
  text-align: center;
  padding: 30px;
  font-size: 12px;
}

/* Footer */
footer {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 10px;
  font-size: 10px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  margin-top: 10px;
  flex-wrap: wrap;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-bright); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

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

/* Category badges */
.cat-badge {
  display: inline-block;
  padding: 1px 4px;
  border-radius: 2px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.cat-documents { background: #1a2a3a; color: var(--blue); }
.cat-images { background: #2a1a2a; color: var(--magenta); }
.cat-video { background: #2a2a1a; color: var(--yellow); }
.cat-audio { background: #1a2a2a; color: var(--cyan); }
.cat-software { background: #1a2a1a; color: var(--accent); }
.cat-archives { background: #2a1a1a; color: var(--red); }
.cat-misc { background: #1a1a2a; color: var(--text-dim); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .listing-header,
  .listing-row {
    grid-template-columns: 50px 1fr 60px 30px 30px 50px 80px;
    font-size: 11px;
  }

  body.advanced-mode .listing-header,
  body.advanced-mode .listing-row {
    grid-template-columns: 50px 1fr 60px 25px 25px 35px 25px 45px 80px;
  }

  .stats-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }

  .peer-table-header,
  .peer-table-row {
    grid-template-columns: 60px 40px 65px 55px 70px 40px 35px 45px;
    font-size: 9px;
  }
}

@media (max-width: 768px) {
  .tabs { flex-wrap: wrap; }
  .tab { padding: 4px 10px; font-size: 10px; }
  .logo { font-size: 7px; }

  .status-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .btn-advanced { margin-left: 0; }

  .listing-header,
  .listing-row {
    grid-template-columns: 50px 1fr 60px 25px 25px 80px;
  }

  .listing-row .col-age { display: none; }
  .listing-header .col-age { display: none; }

  .setting-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .setting-row select,
  .btn-toggle {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stat-value { font-size: 14px; }

  .peer-table { font-size: 8px; }
  .peer-table-header,
  .peer-table-row {
    grid-template-columns: 55px 35px 55px 50px 60px 35px;
  }
  .peer-table-header span:nth-child(n+7),
  .peer-table-row span:nth-child(n+7) {
    display: none;
  }
}

@media (max-width: 480px) {
  #app { padding: 5px 8px; }
  .logo { display: none; }

  .listing-header,
  .listing-row {
    grid-template-columns: 1fr 55px 70px;
  }

  .listing-row .col-cat,
  .listing-header .col-cat,
  .listing-row .col-seeders,
  .listing-header .col-seeders,
  .listing-row .col-leechers,
  .listing-header .col-leechers {
    display: none;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .piece-map { max-height: 50px; }
  .piece-cell { width: 3px; height: 3px; min-width: 3px; }
}