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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #0f172a;
  color: #f8fafc;
  min-height: 100vh;
  padding: 24px;
}

.app-container {
  max-width: 1280px;
  margin: 0 auto;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(12px);
  padding: 16px 24px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.icon-pulse {
  font-size: 32px;
  background: #3b82f6;
  padding: 10px;
  border-radius: 12px;
}

.logo-area h1 {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
}

.logo-area p {
  font-size: 13px;
  color: #94a3b8;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #1e293b;
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 13px;
  border: 1px solid #334155;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.status-dot.connected {
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

.status-dot.disconnected {
  background: #ef4444;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 24px;

  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card h2 {
  font-size: 16px;
  font-weight: 600;
  color: #38bdf8;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 8px;
}

.adb-info-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #1e293b;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
}

.upload-area {
  border: 2px dashed #475569;
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.upload-area:hover {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.05);
}

.upload-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 8px;
}

.contacts-preview-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0f172a;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
}

.template-box textarea {
  width: 100%;
  height: 120px;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: 10px;
  padding: 12px;
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
}

.template-box textarea:focus {
  outline: none;
  border-color: #38bdf8;
}

.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  align-items: center;
}

.chip-label {
  font-size: 12px;
  color: #94a3b8;
}

.tag-chip {
  background: #3b82f6;
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  cursor: pointer;
}

.settings-row {
  display: flex;
  gap: 16px;
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

.setting-item input {
  background: #0f172a;
  border: 1px solid #334155;
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  width: 120px;
}

.action-buttons {
  display: flex;
  gap: 12px;
}

.btn {
  padding: 12px 20px;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.9;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: white;
  flex: 1;
}

.btn-secondary {
  background: #334155;
  color: white;
  font-size: 12px;
  padding: 8px 12px;
}

.btn-danger {
  background: #dc2626;
  color: white;
  flex: 1;
}

.btn-link {
  background: none;
  border: none;
  color: #ef4444;
  cursor: pointer;
}

.stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.stat-card {
  background: #1e293b;
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 24px;
  font-weight: 700;
}

.stat-lbl {
  font-size: 12px;
  color: #94a3b8;
}

.stat-card.success .stat-num {
  color: #10b981;
}

.stat-card.danger .stat-num {
  color: #ef4444;
}

.progress-bar-container {
  height: 8px;
  background: #1e293b;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: #3b82f6;
  transition: width 0.3s ease;
}

.log-console {
  background: #090d16;
  border: 1px solid #1e293b;
  border-radius: 10px;
  padding: 12px;
  height: 250px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry.info {
  color: #38bdf8;
}

.log-entry.sent {
  color: #34d399;
}

.log-entry.failed {
  color: #f87171;
}

.log-entry.warning {
  color: #fbbf24;
}

.hidden {
  display: none !important;
}