/* ============================================================================
   RedFlag – shared design system
   ----------------------------------------------------------------------------
   Gemeinsame Basis (Design-Tokens, Reset, Layout-Grundgerüst, Header/Menüband,
   Footer) für alle handgebauten RedFlag-Seiten.

   Einbinden im <head> JEDER Seite, VOR dem seitenspezifischen <style>:
     <link rel="stylesheet" href="https://redflag.ps/assets/redflag.css" />

   Seitenspezifisches CSS (Spiel-Canvas, Tabellen, Feeds …) bleibt in der
   jeweiligen Seite inline. Hier nur ändern, was für ALLE Seiten gilt.
   ============================================================================ */

:root {
  --bg:     #0d0d0d;
  --fg:     #d4d4d4;
  --dim:    #6a6a6a;
  --line:   #1f1f1f;
  --accent: #ff5555;
  --green:  #55ff88;
  --font:   ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

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

html { height: 100%; }

body {
  font: 14px/1.55 var(--font);
  background: var(--bg);
  color: var(--fg);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 32px 20px;
}

main {
  max-width: 1340px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ── HEADER ── */
header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

header h1 { font-size: 14px; font-weight: 600; letter-spacing: 0.02em; }
header h1::before { content: "$ "; color: var(--accent); }
header h1 a { color: inherit; text-decoration: none; }
header p { font-size: 12px; color: var(--dim); letter-spacing: 0.04em; }

/* ── NAV / MENÜBAND ── */
nav { display: flex; gap: 8px; flex-wrap: wrap; }

nav a {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg);
  font: inherit;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 2px;
  text-decoration: none;
  transition: border-color .15s;
}
nav a:hover         { border-color: var(--fg); }
nav a:active        { background: var(--line); }
nav a:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }
nav a.active        { border-color: var(--accent); color: var(--accent); }

/* ── NAV DROPDOWN ── */
.nav-dropdown { position: relative; }

.nav-dropdown-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg);
  font: inherit;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color .15s;
}
.nav-dropdown-btn:hover         { border-color: var(--fg); }
.nav-dropdown-btn:active        { background: var(--line); }
.nav-dropdown-btn:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }
.nav-dropdown-btn.active,
.nav-dropdown-btn.open          { border-color: var(--accent); color: var(--accent); }

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  min-width: 150px;
  z-index: 100;
  flex-direction: column;
}
.nav-dropdown-menu.open { display: flex; }

.nav-dropdown-menu a {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--fg);
  text-decoration: none;
  border: none;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.nav-dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown-menu a:hover      { color: var(--accent); background: var(--line); }
.nav-dropdown-menu a.active     { color: var(--accent); }

/* ── FOOTER ── */
footer {
  margin-top: 28px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--dim);
}

/* ── A11Y ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
