:root {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --hover: #f9fafb;
  --accent: #2563eb;
  --danger-bg: #fef2f2;
  --danger-text: #dc2626;
}

html[data-theme="dark"] {
  --bg: #0f172a;
  --panel: #020617;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1e293b;
  --hover: #020617;
  --accent: #60a5fa;
  --danger-bg: #3f1d1d;
  --danger-text: #f87171;
}

/* ===== Base ===== */
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ===== Header ===== */
.header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.header h1 {
  font-size: 18px;
  margin: 0;
}

.header-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.leadership {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

/* Mobile header tweaks */
@media (max-width: 600px) {
  .header {
    flex-direction: column;
    align-items: stretch;
  }

  .header h1 {
    font-size: 16px;
    text-align: center;
  }

  .header-controls {
    justify-content: space-between;
  }
}

/* ===== Page Layout ===== */
.page {
  padding: 16px;
}

.layout-row {
  display: flex;
  gap: 2%;
  align-items: flex-start;
}

.troops-panel {
  flex: 0 0 60%;
}

.mercs-panel {
  flex: 0 0 38%;
}

/* Mobile layout */
@media (max-width: 900px) {
  .layout-row {
    flex-direction: column;
    align-items: center;
    gap: 24px;
  }

  .troops-panel,
  .mercs-panel {
    width: 96%;
    flex: none;
  }
}

/* ===== Panels ===== */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.panel-header,
.panel-title {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}

.tiers {
  display: flex;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

/* ===== Tables ===== */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

th:last-child,
td:last-child {
  border-right: none;
}

th {
  background: var(--hover);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
}

tr:hover td {
  background: var(--hover);
}

/* Mobile table density */
@media (max-width: 600px) {
  table {
    font-size: 13px;
  }

  th,
  td {
    padding: 8px;
  }
}

/* ===== Inputs ===== */
input[type="number"] {
  width: 90px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* ===== Buttons ===== */
.theme-toggle {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}

/* ===== Danger states ===== */
.danger-row td {
  background: var(--danger-bg);
}

.danger-text {
  color: var(--danger-text);
  font-weight: 600;
}