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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #f8fafc;
  min-height: 100vh;
  padding: 20px;
}

.container { max-width: 1200px; margin: 0 auto; }

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  margin-bottom: 22px;
  border-bottom: 1px solid #334155;
  gap: 14px;
  flex-wrap: wrap;
}

.logo h1 {
  font-size: 28px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo p { color: #94a3b8; margin-top: 5px; font-size: 14px; }

.nav { display: flex; gap: 12px; flex-wrap: wrap; }

.nav-link, .nav-btn {
  color: #94a3b8;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 10px;
  transition: all 0.2s;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255,255,255,0.06);
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.nav-link:hover, .nav-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #f8fafc;
  transform: translateY(-1px);
}

.file-list {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #334155;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.file-header {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 16px 20px;
  background: rgba(15, 23, 42, 0.8);
  font-weight: 700;
  color: #94a3b8;
  border-bottom: 1px solid #334155;
  align-items: center;
  gap: 14px;
}

.file-header-right {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.search {
  width: 280px;
  max-width: 70vw;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.22);
  color: #e2e8f0;
  outline: none;
  font-size: 14px;
}

.search:focus {
  border-color: rgba(102, 126, 234, 0.8);
  box-shadow: 0 0 0 3px rgba(102,126,234,0.15);
}

.status-pills {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  font-size: 12px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(102, 126, 234, 0.10);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(102,126,234,0.20);
  color: #cbd5e1;
  white-space: nowrap;
}

.breadcrumb {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding: 12px 20px;
  border-bottom: 1px solid #334155;
  background: rgba(15, 23, 42, 0.55);
  align-items: center;
}

.crumb {
  color: #cbd5e1;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.breadcrumb a.crumb:link,
.breadcrumb a.crumb:visited {
  color: #cbd5e1;
  text-decoration: none;
}
.crumb:hover { background: rgba(255,255,255,0.07); }
.sep { color: #94a3b8; font-size: 12px; }

.file-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.15s;
  gap: 14px;
}

.file-item:hover { background: rgba(255, 255, 255, 0.03); }
.file-item:last-child { border-bottom: none; }

.file-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #f8fafc;
  text-decoration: none;
  font-size: 16px;
  min-width: 0;
}

.file-link:hover { color: #667eea; }
.file-icon { font-size: 1.5em; width: 24px; text-align: center; }

.file-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-info {
  color: #94a3b8;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(102, 126, 234, 0.10);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid rgba(102,126,234,0.20);
}

.dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: #e2e8f0;
  background: rgba(102, 126, 234, 0.14);
  border: 1px solid rgba(102, 126, 234, 0.35);
  font-weight: 800;
  font-size: 13px;
  transition: all 0.15s;
}

.dl:hover { background: rgba(102, 126, 234, 0.20); transform: translateY(-1px); }

.loading {
  text-align: center;
  padding: 60px 20px;
  color: #94a3b8;
}

.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(102, 126, 234, 0.3);
  border-radius: 50%;
  border-top-color: #667eea;
  animation: spin 1s ease-in-out infinite;
  margin-bottom: 18px;
}

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

.error {
  text-align: center;
  padding: 40px 20px;
  color: #f87171;
}

.footer {
  text-align: center;
  margin-top: 28px;
  padding: 20px;
  color: #64748b;
  font-size: 14px;
  border-top: 1px solid #334155;
}

@media (max-width: 768px) {
  .header { flex-direction: column; gap: 18px; text-align: center; }
  .file-header { grid-template-columns: 1fr; }
  .file-item { grid-template-columns: 1fr; }
  .file-info, .status-pills { justify-content: flex-start; }
  .search { width: 100%; max-width: 100%; }
}