/* ESR Shared Theme v2026.01.06.004
 * Centralized background + base styles for ESR pages.
 * Keep this file small and stable; page-specific CSS can remain inline or in per-page stylesheets.
 */

:root {
  --esr-bg: radial-gradient(circle at top left, #151828, #05060a 60%);
  --esr-bg-solid: #05060a;
  --esr-text: #ffffff;
  --esr-text-muted: rgba(255,255,255,0.72);
  --esr-accent: #22c55e;
  --esr-card: rgba(255,255,255,0.02);
  --esr-border: rgba(255,255,255,0.10);
  --esr-shadow: 0 12px 30px rgba(0,0,0,0.35);
  --esr-font: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--esr-bg-solid);
  background: var(--esr-bg);
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: cover;
  color: var(--esr-text);
  font-family: var(--esr-font);
  line-height: 1.5;
}

a {
  color: var(--esr-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.esr-card {
  background: var(--esr-card);
  border: 1px solid var(--esr-border);
  border-radius: 14px;
  box-shadow: var(--esr-shadow);
}