/* ── Navbar (desktop) ──────────────────────────── */
.navbar {
  grid-column: 1 / -1;
  display: flex; align-items: center;
  height: 64px;
  background: var(--black);
  border-bottom: 3px solid var(--white);
  z-index: 200;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  /* slide-up when sub-sections are open — mirrors .bottom-nav.nav-hidden.
     overflow:visible is REQUIRED so dropdowns (Add Friend, Search results)
     that open below the navbar aren't clipped. The slide-up still works
     because the .nav-hidden transform+margin moves the whole element. */
  overflow: visible;
  transition:
    transform 0.32s cubic-bezier(0.32, 0.72, 0.4, 1),
    margin-top 0.32s cubic-bezier(0.32, 0.72, 0.4, 1),
    border-bottom-width 0.32s cubic-bezier(0.32, 0.72, 0.4, 1);
  will-change: transform, margin-top;
}
.navbar.nav-hidden {
  /* Slide up + collapse the layout slot. margin-top:-64px (or -52 on mobile)
     pulls everything below up into the navbar's old space, while the
     transform animates the navbar itself off-screen. No overflow:hidden
     needed — children that escape the navbar (dropdowns) stay visible
     when the bar IS visible. */
  transform: translateY(-100%);
  margin-top: -64px;
  border-bottom-width: 0;
  pointer-events: none;
}
@media (max-width: 768px) {
  .navbar.nav-hidden { margin-top: -52px; }
}
/* When server rail is present, navbar starts after it */
.app.has-server-rail .navbar { grid-column: 2 / -1; }
.nav-logo {
  display: flex; align-items: center; height: 100%;
  padding: 0 24px; background: var(--white); color: var(--black);
  text-decoration: none; cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 100%, 0 100%);
  padding-right: 40px;
  transition: background var(--transition-fast);
}
.nav-logo:hover { background: var(--accent); color: var(--white); }
.nav-logo span {
  font-family: 'Ugocranis', var(--font-display); font-size: 2rem; font-weight: 900;
  letter-spacing: -0.05em; text-transform: uppercase; transform: skewX(-5deg);
}
.nav-logo em {
  font-style: normal; font-family: var(--font-mono); font-size: 0.75rem;
  font-weight: 700; color: var(--accent); text-transform: uppercase;
  letter-spacing: 0.15em; margin-left: 6px; align-self: center;
  /* "Chat" doubles as the connection indicator. Fully revealed = connected;
     the left-to-right reveal on reconnect rides this transition. */
  clip-path: inset(0 0 0 0);
  transition: clip-path 0.6s cubic-bezier(0.32, 0.72, 0.4, 1);
  will-change: clip-path;
}
/* Sustained disconnect (set after a 1.5s grace in connectSocket): collapse
   "Chat" instantly to just "NOID". No transition so the drop is a clean cut;
   only the reconnect reveal animates. */
.nav-logo.logo-disc em {
  clip-path: inset(0 100% 0 0);
  transition: none;
}
.nav-logo:hover em { color: var(--white); }
.nav-links {
  display: flex; align-items: center; height: 100%; margin-left: 8px;
}
.nav-link {
  display: flex; align-items: center; height: 100%;
  padding: 0 20px;
  font-family: var(--font-mono); font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--white); text-decoration: none;
  border-right: 1px solid var(--gray-700);
  cursor: pointer; transition: all var(--transition-fast);
}
.nav-link:hover { background: var(--white); color: var(--black); }
.nav-link.active { background: var(--accent); color: var(--white); }
.nav-right {
  margin-left: auto; display: flex; align-items: center;
  height: 100%; position: relative;
}
.nav-search {
  width: 0; overflow: hidden;
  transition: width 250ms ease;
  display: flex; align-items: center;
  height: 100%;
}
.nav-search.open {
  width: 220px;
  border-left: 1px solid var(--gray-700);
}
.nav-search input {
  width: 100%; height: 100%;
  padding: 0 14px;
  background: var(--gray-800); border: none;
  color: var(--white); font-family: var(--font-mono);
  font-size: 0.75rem; letter-spacing: 0.05em; outline: none;
}
.nav-search input::placeholder { color: var(--gray-500); }
.nav-icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 48px; height: 100%;
  background: none; border: none;
  border-left: 1px solid var(--gray-700);
  color: var(--gray-400); cursor: pointer;
  transition: all var(--transition-fast);
}
.nav-icon-btn:hover { background: var(--white); color: var(--black); }

/* ── Add Friend Dropdown ──────────────────────── */
.add-friend-wrap { position: relative; height: 100%; }
.add-friend-drop {
  display: none; position: absolute; top: 100%; right: 0;
  background: var(--gray-800); border: 2px solid var(--white);
  z-index: 300; box-shadow: var(--shadow-hard); min-width: 140px;
}
.add-friend-drop.open { display: block; }
.add-friend-drop button {
  display: block; width: 100%; padding: 12px 16px;
  background: none; border: none; border-bottom: 1px solid var(--gray-700);
  color: var(--white); font-family: var(--font-mono);
  font-size: 0.7rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em;
  text-align: left; cursor: pointer; transition: all var(--transition-fast);
}
.add-friend-drop button:last-child { border-bottom: none; }
.add-friend-drop button:hover { background: var(--accent); color: var(--white); }

/* ── QR Scanner ───────────────────────────────── */
.qr-scanner-body {
  position: relative; background: var(--black);
  display: flex; flex-direction: column; align-items: center;
  overflow: hidden;
}
.qr-scanner-body video {
  width: 100%; max-height: 70vh; object-fit: cover;
}
.qr-viewfinder {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 280px; height: 280px;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5);
}
.qr-viewfinder::before, .qr-viewfinder::after {
  content: ''; position: absolute;
  width: 30px; height: 30px;
  border-color: var(--white); border-style: solid;
}
.qr-viewfinder::before {
  top: -3px; left: -3px;
  border-width: 4px 0 0 4px;
}
.qr-viewfinder::after {
  bottom: -3px; right: -3px;
  border-width: 0 4px 4px 0;
}
.qr-status {
  padding: 12px 16px; width: 100%; text-align: center;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 600;
  color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.1em;
}
.qr-status.success { color: #4caf50; }
.qr-status.error { color: var(--accent); }

/* ── My QR Code ───────────────────────────────── */
.my-qr-body {
  display: flex; flex-direction: column; align-items: center;
  padding: 30px 20px; background: var(--white);
}
.my-qr-loading {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.1em;
  padding: 40px 0;
}
.my-qr-img {
  display: none; width: 220px; height: 220px;
  image-rendering: pixelated;
}
.my-qr-img.loaded { display: block; }
.my-qr-name {
  margin-top: 16px; font-family: var(--font-display);
  font-size: 1.4rem; font-weight: 900; color: var(--black);
  text-transform: uppercase; letter-spacing: -0.02em;
}
.my-qr-id {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--gray-500); letter-spacing: 0.1em; margin-top: 4px;
}
.nav-user { height: 100%; }
.user-toggle {
  display: flex; align-items: center; gap: 10px;
  height: 100%; padding: 0 20px;
  background: var(--gray-800); border: none;
  border-left: 2px solid var(--gray-600);
  color: var(--white); font-family: var(--font-mono);
  font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  cursor: pointer;
}
.user-toggle:hover { background: var(--gray-700); }
.user-toggle .avatar.sm { background: var(--accent); color: var(--white); border: none; }

/* ── App Layout ────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: 380px 1fr;
  grid-template-rows: auto auto 1fr auto;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}
.app.has-server-rail { grid-template-columns: 72px 380px 1fr; }
.app.has-server-rail.members-open { grid-template-columns: 72px 380px 1fr 280px; }
.app.has-server-rail.server-view { grid-template-columns: 72px 240px 1fr; }
.app.has-server-rail.server-view.server-members-open { grid-template-columns: 72px 240px 1fr 280px; }
.app.members-open { grid-template-columns: 380px 1fr 280px; }
.app.full-width .chat { display: none; }

/* ── Server Rail ──────────────────────────────────── */
.server-rail {
  display: none;
  flex-direction: column;
  align-items: center;
  background: var(--black);
  border-right: 2px solid var(--gray-700);
  padding: 8px 0;
  gap: 4px;
  overflow-y: auto;
  overflow-x: hidden;
  grid-row: 1 / -1;
  scrollbar-width: none;
}
.server-rail::-webkit-scrollbar { display: none; }
.app.has-server-rail .server-rail { display: flex; }

.server-rail-btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gray-800);
  border: none;
  color: var(--gray-300);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.server-rail-btn:hover { background: var(--gray-700); border-radius: 30%; color: var(--white); }
.server-rail-btn.active { background: var(--accent); color: var(--white); border-radius: 30%; }

.server-rail-divider {
  width: 32px; height: 2px;
  background: var(--gray-700);
  margin: 4px 0;
  flex-shrink: 0;
}

.server-rail-list {
  display: flex; flex-direction: column;
  align-items: center; gap: 4px;
  flex: 1; overflow-y: auto; overflow-x: hidden;
  scrollbar-width: none; width: 100%;
}
.server-rail-list::-webkit-scrollbar { display: none; }

.server-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gray-800);
  border: none;
  color: var(--white);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.server-icon:hover { border-radius: 30%; background: var(--gray-700); }
.server-icon.active { border-radius: 30%; background: var(--accent); }
.server-icon img { width: 100%; height: 100%; object-fit: cover; }
.server-icon .server-unread-dot {
  position: absolute; left: -2px; top: 50%; transform: translateY(-50%);
  width: 8px; height: 8px; background: var(--white); border-radius: 50%;
}

.add-server-btn { background: transparent; border: 2px dashed var(--gray-600); color: var(--gray-500); }
.add-server-btn:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

/* ── Channel Sidebar ─────────────────────────────── */
.channel-sidebar {
  display: flex; flex-direction: column;
  background: var(--gray-900);
  border-right: 2px solid var(--gray-700);
  overflow: hidden;
  grid-row: 1 / -1;
}

.channel-sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px;
  border-bottom: 2px solid var(--gray-700);
  flex-shrink: 0;
}
.channel-server-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.channel-list {
  flex: 1; overflow-y: auto; padding: 8px 0;
}

.channel-category {
  padding: 12px 14px 4px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  cursor: pointer;
  display: flex; align-items: center; gap: 4px;
  user-select: none;
}
.channel-category svg { transition: transform var(--transition-fast); }
.channel-category.collapsed svg { transform: rotate(-90deg); }
.channel-category-items { }
.channel-category.collapsed + .channel-category-items { display: none; }

.channel-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 22px;
  cursor: pointer;
  color: var(--gray-400);
  font-size: 0.85rem;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}
.channel-item:hover { background: var(--gray-800); color: var(--white); }
.channel-item.active { background: rgba(255, 61, 0, 0.1); color: var(--white); border-left-color: var(--accent); }
.channel-item .channel-hash {
  font-family: var(--font-mono); font-weight: 700; color: var(--gray-500);
  font-size: 1rem; flex-shrink: 0;
}
.channel-item.active .channel-hash { color: var(--accent); }
.channel-item .channel-unread {
  margin-left: auto;
  background: var(--accent);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 8px;
  font-family: var(--font-mono);
}

.channel-add-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px 6px 22px;
  cursor: pointer;
  color: var(--gray-500);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  border: none; background: none; width: 100%; text-align: left;
  transition: color var(--transition-fast);
}
.channel-add-btn:hover { color: var(--accent); }


/* custom tap feedback (replaces native flash) */
.nav-icon-btn:active { background: var(--accent); color: var(--white); }
.nav-link:active { background: var(--accent-bg); color: var(--accent); }