:root {
  color-scheme: light;
  --bg: #f5f6f7;
  --panel: #ffffff;
  --surface: #ffffff;
  --border: #d9d9db;
  --text: #202124;
  --muted: #5f6368;
  --primary: #2f538a;
  --primary-text: #ffffff;
  --shadow: 0 12px 34px rgba(15, 23, 33, 0.08);
  --radius: 18px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111316;
  --panel: #181c20;
  --surface: #1f2328;
  --border: #2c3138;
  --text: #e8eaed;
  --muted: #b0b5be;
  --primary: #5a8adc;
  --primary-text: #ffffff;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  padding: 24px;
}

button, input, select {
  font: inherit;
}

button {
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

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

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(47, 83, 138, 0.12);
  font-size: 1.4rem;
}

.brand h1 {
  margin: 0;
  font-size: 1.5rem;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  border-radius: 10px;
  padding: 0.9rem 1rem;
  min-width: 98px;
  font-weight: 600;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-text);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.btn:hover {
  opacity: 0.95;
}

main {
  display: grid;
  gap: 22px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card-label {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.card h2 {
  margin: 0;
  font-size: 2rem;
}

.category-summary {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.category-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.panel {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
}

.form-panel, .filter-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.form-panel h2 {
  margin-top: 0;
}

.form-row {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.form-row label {
  color: var(--muted);
  font-size: 0.95rem;
}

.form-row input,
.form-row select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--surface);
  color: var(--text);
}

.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: rgba(47, 83, 138, 0.45);
}

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

.filter-row {
  margin-bottom: 16px;
}

.filter-row label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
}

.filter-row input,
.filter-row select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--surface);
  color: var(--text);
}

.filter-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.table-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.table-header h2 {
  margin: 0;
  font-size: 1.15rem;
}

.table-header p {
  margin: 0;
  color: var(--muted);
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

thead tr {
  border-bottom: 1px solid var(--border);
}

th, td {
  text-align: left;
  padding: 14px 12px;
  font-size: 0.95rem;
}

tbody tr {
  border-bottom: 1px solid var(--border);
}

tbody tr:hover {
  background: rgba(47, 83, 138, 0.05);
}

td.actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 8px 10px;
  background: var(--surface);
  color: var(--text);
}

.action-btn:hover {
  background: rgba(47, 83, 138, 0.08);
}

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

@media (max-width: 640px) {
  body {
    padding: 16px;
  }

  .topbar {
    align-items: flex-start;
  }

  .brand {
    width: 100%;
  }

  .top-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .btn {
    flex: 1 1 auto;
    min-width: 0;
  }
}