:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #1d4ed8;
  --success: #15803d;
  --warning: #b45309;
  --danger: #b91c1c;
  --border: #e5e7eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 1rem;
  max-width: 1100px;
  margin: 0 auto;
}

h1,
h2 {
  margin: 0 0 0.5rem;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.chip {
  background: #dbeafe;
  color: #1e3a8a;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.auth-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.auth-status {
  font-size: 0.85rem;
  color: var(--muted);
}

.auth-btn {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  padding: 0.4rem 0.7rem;
  font-weight: 600;
  cursor: pointer;
}

.auth-btn.secondary {
  background: transparent;
  color: var(--primary);
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem 1.5rem;
  display: grid;
  gap: 1rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.controls .control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.control-actions {
  margin-top: 0.85rem;
  display: flex;
  gap: 0.6rem;
  justify-content: flex-end;
}

.import-message {
  margin: 0.65rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.import-message[data-tone="success"] {
  color: var(--success);
}

.import-message[data-tone="error"] {
  color: var(--danger);
}

.download-btn {
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  padding: 0.5rem 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.download-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.download-btn.secondary {
  background: transparent;
  color: var(--primary);
}

label {
  display: grid;
  gap: 0.25rem;
  font-weight: 600;
}

select {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.85rem;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.kpi-card .label {
  color: var(--muted);
  font-size: 0.85rem;
}

.kpi-card .value {
  margin-top: 0.45rem;
  font-size: 1.5rem;
  font-weight: 700;
}

.kpi-card .meta {
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

.status {
  font-weight: 700;
}

.status.good {
  color: var(--success);
}

.status.warning {
  color: var(--warning);
}

.status.risk {
  color: var(--danger);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 0.65rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

thead th {
  font-size: 0.85rem;
  color: var(--muted);
}

@media (max-width: 640px) {
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    padding: calc(1rem + env(safe-area-inset-top)) 1rem 1rem;
  }

  h1 {
    font-size: 1.4rem;
    line-height: 1.2;
  }

  .subtitle {
    font-size: 0.92rem;
  }

  .layout {
    padding: 0 0.75rem calc(1.25rem + env(safe-area-inset-bottom));
    gap: 0.75rem;
  }

  .panel,
  .kpi-card {
    border-radius: 10px;
    padding: 0.85rem;
  }

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

  .kpi-card .value {
    font-size: 1.35rem;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .auth-controls {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .auth-status {
    width: 100%;
    font-size: 0.8rem;
  }

  .auth-btn {
    flex: 1 1 0;
    min-height: 40px;
  }

  select {
    min-height: 40px;
  }

  .control-actions {
    justify-content: stretch;
    flex-direction: column;
  }

  .download-btn {
    width: 100%;
    min-height: 40px;
  }
}

@media (max-width: 520px) {
  .table-panel .table-wrap {
    overflow-x: visible;
  }

  .table-panel table,
  .table-panel thead,
  .table-panel tbody,
  .table-panel tr,
  .table-panel th,
  .table-panel td {
    display: block;
    width: 100%;
  }

  .table-panel thead {
    display: none;
  }

  .table-panel tr {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.55rem 0.65rem;
    margin-bottom: 0.55rem;
    background: var(--surface);
  }

  .table-panel td {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    text-align: right;
    white-space: normal;
    border: 0;
    padding: 0.35rem 0;
    font-size: 0.92rem;
  }

  .table-panel td::before {
    content: attr(data-label);
    color: var(--muted);
    font-weight: 600;
    text-align: left;
  }
}