/* ── Shared design tokens (for rank-defense.html) ── */
:root {
  --bg: #070b10;
  --side: #0d1117;
  --panel: #101720;
  --panel2: #0d131b;
  --line: #202a35;
  --line2: #263342;
  --text: #edf6ff;
  --muted: #8b98a8;
  --green: #00d45a;
  --green2: #00f06a;
  --greenSoft: rgba(0,212,90,.16);
  --red: #ff4d4f;
  --yellow: #ffb020;
}

/* ── Sidebar layout — shared between React app (aside) and Defense Center (.sideNav) ── */
aside, .sideNav {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 240px;
  min-width: 240px;
  max-width: 240px;
  background: var(--side, #0d1117);
  border-right: 1px solid var(--line, #202a35);
  padding: 20px 16px;
  box-sizing: border-box;
  z-index: 80;
  overflow-y: auto;
  overflow-x: hidden;
  height: 100vh;
}

aside h1, .sideNav h1 {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.04em;
  color: var(--text, #edf6ff);
  margin: 0 0 4px;
  line-height: 1;
}
aside > p, .sideNav > p {
  font-size: 12px;
  color: var(--muted, #8b98a8);
  margin: 0 0 18px;
  line-height: 1.35;
}

/* ── Nav items ── */
aside button, aside a, .sideNav a, .sideNav button {
  height: 40px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  padding: 0 12px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--muted, #8b98a8);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  margin-bottom: 4px;
  box-shadow: none;
  letter-spacing: -.01em;
  transition: background .15s, color .15s;
  min-height: 40px;
}
aside button:hover, aside a:hover, .sideNav a:hover, .sideNav button:hover {
  background: rgba(255,255,255,.07);
  color: var(--text, #edf6ff);
}

/* Active state — green left-border highlight */
aside button.navActive, aside a.navActive, .sideNav .navActive {
  background: rgba(0,212,90,.1);
  color: var(--green, #00d45a);
  box-shadow: inset 3px 0 0 var(--green, #00d45a);
  font-weight: 800;
}

/* Icon alignment */
.rankSideIcon {
  display: inline-flex;
  width: 18px;
  min-width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
}

/* ── Main content offset (rank-defense.html only; React app uses .app grid) ── */
.contentMain {
  margin-left: 240px;
  padding: 24px 28px;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* ── Responsive: icon-only sidebar at medium screens ── */
@media (max-width: 980px) {
  aside, .sideNav {
    width: 64px;
    min-width: 64px;
    max-width: 64px;
    padding: 16px 10px;
  }
  aside h1, .sideNav h1 { font-size: 0; margin: 0 0 8px; }
  aside h1::after, .sideNav h1::after { content: "DR"; font-size: 14px; color: var(--text, #edf6ff); }
  aside > p, .sideNav > p { display: none; }
  aside button, aside a, .sideNav a, .sideNav button {
    justify-content: center;
    padding: 0;
    font-size: 0;
    gap: 0;
    letter-spacing: 0;
  }
  aside button svg, aside a svg { width: 18px; height: 18px; }
  .rankSideIcon { font-size: 16px; }
  aside .sideNotice, .sideNotice { display: none; }
  .contentMain {
    margin-left: 64px;
  }
}

/* ── Responsive: horizontal nav bar at small screens ── */
@media (max-width: 640px) {
  aside, .sideNav {
    position: sticky;
    top: 0;
    height: auto;
    min-height: 0;
    width: 100%;
    min-width: 0;
    max-width: none;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 10px;
    border-right: none;
    border-bottom: 1px solid var(--line, #202a35);
  }
  aside h1, .sideNav h1, aside > p, .sideNav > p, aside .sideNotice, .sideNotice { display: none; }
  aside button, aside a, .sideNav a, .sideNav button {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    margin: 0 4px 0 0;
    justify-content: center;
    padding: 0;
    font-size: 0;
    gap: 0;
  }
  .contentMain {
    margin-left: 0;
    padding: 10px;
  }
}