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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", Roboto, sans-serif;
  background: #f7f8fa;
  color: #1f2329;
  padding: 16px;
}

#app { max-width: 600px; margin: 0 auto; }

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

h1 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
h2 { font-size: 13px; font-weight: 600; color: #1f2329; margin-bottom: 10px; }

.actions { display: flex; gap: 6px; flex-shrink: 0; margin-left: 10px; }

.actions button {
  padding: 4px 10px;
  border: 1px solid #dee0e3;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  background: #fff;
  color: #646a73;
  transition: all 0.15s;
  white-space: nowrap;
}

.actions button:hover { background: #f0f1f2; border-color: #c0c3c8; color: #1f2329; }

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 8px 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  border-left: 3px solid #4C6FFF;
}

.card-red { border-left-color: #FF5C5C; }
.card-green { border-left-color: #2DB87F; }
.card-orange { border-left-color: #F59F00; }
.card-purple { border-left-color: #B45BD5; }

.card-label {
  font-size: 10px;
  color: #8f959e;
  margin-bottom: 2px;
  font-weight: 500;
  white-space: nowrap;
}

.card-value {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.loading .card-value {
  color: #c8c9cc;
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.chart-section {
  background: #fff;
  border-radius: 10px;
  padding: 14px 14px 10px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  margin-bottom: 10px;
}

.chart-container {
  position: relative;
  height: 200px;
}

.chart-container-small {
  height: 150px;
}

.status {
  font-size: 11px;
  color: #8f959e;
  text-align: center;
  padding: 6px;
}

.status.error { color: #FF5C5C; }
.status.success { color: #2DB87F; }

.history-info {
  font-size: 10px;
  color: #b0b3b8;
  text-align: center;
  margin-top: 2px;
}

.chart-section { cursor: pointer; transition: box-shadow 0.15s; }
.chart-section:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }

.chart-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.35);
}
.chart-modal.open { display: block; }

.chart-modal-content {
  position: absolute;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 480px;
  height: 100%;
  background: #fff;
  box-shadow: -4px 0 24px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  transition: right 0.25s ease;
}
.chart-modal.open .chart-modal-content { right: 0; }

.chart-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid #e5e6e8;
  flex-shrink: 0;
}
.chart-modal-header span {
  font-size: 15px;
  font-weight: 600;
  color: #1f2329;
}

.modal-close-btn {
  width: 30px;
  height: 30px;
  border: none;
  background: #f0f1f2;
  border-radius: 6px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  color: #646a73;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close-btn:hover { background: #e5e6e8; color: #1f2329; }

.chart-modal-body {
  flex: 1;
  padding: 16px;
  position: relative;
  min-height: 0;
}

.settings-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.35);
}
.settings-modal.open { display: block; }

.settings-modal-content {
  position: absolute;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100%;
  background: #fff;
  box-shadow: -4px 0 24px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  transition: right 0.25s ease;
}
.settings-modal.open .settings-modal-content { right: 0; }

.settings-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid #e5e6e8;
  flex-shrink: 0;
}
.settings-modal-header span {
  font-size: 15px;
  font-weight: 600;
  color: #1f2329;
}

.settings-modal-body {
  flex: 1;
  padding: 20px 16px;
  overflow-y: auto;
}

.settings-group { margin-bottom: 20px; }

.settings-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #1f2329;
  margin-bottom: 6px;
}

.settings-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #dee0e3;
  border-radius: 6px;
  font-size: 12px;
  color: #1f2329;
  outline: none;
  transition: border-color 0.15s;
  -webkit-user-select: none;
  user-select: none;
}
.settings-input:focus { border-color: #4C6FFF; }
.settings-input::-ms-reveal { display: none; }

.settings-hint {
  font-size: 11px;
  color: #8f959e;
  margin-top: 6px;
}

.settings-actions {
  display: flex;
  gap: 8px;
}

.settings-btn {
  flex: 1;
  padding: 8px 0;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}
.settings-btn:hover { opacity: 0.85; }
.settings-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.settings-btn-primary {
  background: #4C6FFF;
  color: #fff;
}
.settings-btn-send {
  background: #2DB87F;
  color: #fff;
}

.settings-status {
  font-size: 12px;
  margin-top: 14px;
  min-height: 18px;
}
.settings-status.success { color: #2DB87F; }
.settings-status.error { color: #FF5C5C; }

.settings-divider {
  border-top: 1px solid #e5e6e8;
  margin: 20px 0;
}

.stats-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.stats-export-btn {
  flex: none;
  padding: 4px 12px;
  font-size: 11px;
  background: #4C6FFF;
  color: #fff;
}

.stats-table-wrap {
  max-height: 400px;
  overflow: auto;
  border: 1px solid #e5e6e8;
  border-radius: 6px;
}

.stats-table {
  border-collapse: collapse;
  font-size: 10px;
  white-space: nowrap;
}

.stats-table thead { position: sticky; top: 0; z-index: 1; }

.stats-table th {
  background: #f7f8fa;
  font-weight: 600;
  color: #646a73;
  padding: 6px 6px;
  border-bottom: 1px solid #e5e6e8;
  text-align: right;
}

.stats-table th:first-child { text-align: left; }

.stats-table td {
  padding: 4px 6px;
  border-bottom: 1px solid #f0f1f3;
  text-align: right;
  color: #1f2329;
}

.stats-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: #646a73;
}

.stats-table tbody tr:hover { background: #f7f8fa; }