/* ── SIDEBAR LAYOUT ── */
.app { display:flex; align-items: flex-start; min-height:100vh; position:relative; z-index:1; width:100%; max-width:100vw; }
    
.sidebar {
  width: 220px;
  min-width: 200px;
  max-width: 240px;
  flex-shrink: 0;
  background: var(--bg1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}

.logo { padding: 20px 20px 16px; border-bottom: 1px solid var(--border); }
.logo-text { font-family: var(--mono); font-size: 16px; font-weight: 700; color: var(--blue); letter-spacing: -0.5px; }
.logo-text em { color: var(--cyan); font-style: normal; }
.logo-sub { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-top: 3px; text-transform: uppercase; letter-spacing: 1px; }

.nav-section { padding: 16px 12px 8px; }
.nav-label { font-family: var(--mono); font-size: 9px; color: var(--muted); text-transform: uppercase; letter-spacing: 1.5px; padding: 0 8px; margin-bottom: 6px; }
.nav-btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 9px 12px;
  background: none; border: none; border-radius: 8px;
  font-family: var(--sans); font-size: 13px; font-weight: 500;
  color: var(--muted2); cursor: pointer;
  transition: all 0.18s; text-align: left; margin-bottom: 2px;
}
.nav-btn:hover { background: var(--bg3); color: var(--text); }
.nav-btn.active { background: rgba(91,156,246,0.12); color: var(--blue); }
.nav-btn .icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-sub {
  display: block; width: 100%; padding: 6px 12px 6px 42px; background: none; border: none; border-radius: 6px;
  font-family: var(--mono); font-size: 11px; color: var(--muted); cursor: pointer; transition: all 0.15s; text-align: left; margin-bottom: 1px;
}
.nav-sub:hover { background: var(--bg3); color: var(--text); }
.nav-sub.active { color: var(--cyan); }
.nav-badge {
  margin-left: auto; font-family: var(--mono); font-size: 9px;
  padding: 2px 6px; border-radius: 4px; text-transform: uppercase; font-weight: 700;
}
.badge-beg { background: rgba(74,222,128,0.12); color: var(--green); }
.badge-int { background: rgba(91,156,246,0.12); color: var(--blue); }
.badge-exp { background: rgba(244,114,182,0.12); color: var(--pink); }
.badge-dhcp{background:rgba(251,191,36,0.12);color:var(--amber);}
.badge-dns{background:rgba(56,217,192,0.12);color:var(--cyan);}
.badge-bgpanim{background:rgba(167,139,250,0.12);color:var(--purple);}


/* ── PAGE HEADER ── */
.page-header { margin-bottom: 24px; }
.page-title {
  font-size: 22px; font-weight: 700;
  background: linear-gradient(135deg, var(--text) 30%, var(--blue));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 4px;
}
.page-desc { font-size: 13px; color: var(--muted2); font-family: var(--mono); }

/* ── GRID ── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 16px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 160px), 1fr)); gap: 12px; }

  /* ── CONTENT ── */
  .content { flex: 1; min-width: 0; width: 100%; max-width: 100%; overflow-x: hidden; overflow-y: auto; padding: 24px; }
  .content * { max-width: 100%; box-sizing: border-box; }
  .content input, .content textarea, .content select { max-width: 100%; }
  .page { display: none; animation: fadeUp 0.3s ease forwards; }
  .page.active { display: block; }
  @keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}


  /* ── FULLSCREEN MODE ── */
.app.fullscreen .sidebar {
  display: none;
}
.app.fullscreen .content {
  max-width: 100%;
  padding: 24px 32px;
}
.fullscreen-btn {
  position: fixed;
  top: 14px;
  right: 18px;
  z-index: 999;
  background: rgba(91,156,246,0.12);
  border: 1px solid rgba(91,156,246,0.3);
  color: var(--blue);
  border-radius: 8px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.fullscreen-btn:hover {
  background: rgba(91,156,246,0.25);
  border-color: var(--blue);
}
.fullscreen-exit-hint {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(7,9,15,0.85);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 7px 18px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted2);
  z-index: 999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}
.app.fullscreen .fullscreen-exit-hint {
  opacity: 1;
}