/* =========================================================================
   App shell layout: boot loader, login, server-selection homepage, and the
   per-server dashboard (sidebar + topbar + content). Includes the responsive
   drawer behaviour for tablet/mobile.
   ========================================================================= */

/* --------------------------------------------------------------- boot loader */
.boot-loader {
  position: fixed; inset: 0; z-index: 100;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--s-4); background: var(--bg);
  transition: opacity var(--t-slow), visibility var(--t-slow);
}
.boot-loader.hidden { opacity: 0; visibility: hidden; display: flex !important; pointer-events: none; }
.boot-ring {
  width: 52px; height: 52px; border-radius: 50%;
  border: 3px solid var(--red-tint); border-top-color: var(--red-bright);
  animation: spin 0.8s linear infinite;
}
.boot-status { color: var(--text-2); font-size: var(--fs-sm); min-height: 1em; opacity: 0; transition: opacity var(--t); }
.boot-status.visible { opacity: 1; }

/* --------------------------------------------------------------- login */
.auth-screen {
  min-height: 100vh; display: grid; place-items: center; padding: var(--s-5);
  animation: fadeIn var(--t-slow);
}
.auth-card {
  width: 100%; max-width: 400px;
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card));
  border: 1px solid var(--border-strong);
  border-radius: var(--r-xl);
  padding: var(--s-8) var(--s-7);
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: var(--s-3);
  text-align: center;
  position: relative; overflow: hidden;
}
.auth-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--red-bright), transparent);
}
.auth-mark {
  width: 64px; height: 64px; margin: 0 auto var(--s-2);
  border-radius: var(--r-lg);
  background: linear-gradient(145deg, var(--red-bright), var(--red-hover));
  display: grid; place-items: center;
  font-weight: 800; font-size: 1.5rem; color: #fff; letter-spacing: -0.03em;
  box-shadow: var(--shadow-red);
}
.auth-card h1 { font-size: var(--fs-2xl); }
.auth-card .field, .auth-card input { text-align: left; }
.auth-card input {
  width: 100%; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 12px 14px; transition: border-color var(--t), box-shadow var(--t);
}
.auth-card input:focus { border-color: var(--border-red); box-shadow: var(--ring); }
.auth-divider { display: flex; align-items: center; gap: var(--s-3); color: var(--text-muted); font-size: var(--fs-xs); margin: var(--s-1) 0; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.auth-hint { color: var(--text-muted); font-size: var(--fs-xs); margin-top: var(--s-2); }

/* =======================================================================
   SERVER-SELECTION HOMEPAGE
   ======================================================================= */
.select-shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }

.select-sidebar, .dash-sidebar {
  position: sticky; top: 0; align-self: start;
  height: 100vh; overflow-y: auto;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: var(--s-5) var(--s-4);
  gap: var(--s-2);
}

/* brand block shared by both sidebars */
.brand { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-2) var(--s-2) var(--s-4); }
.brand-mark {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  background: linear-gradient(145deg, var(--red-bright), var(--red-hover));
  display: grid; place-items: center; color: #fff; font-weight: 800; letter-spacing: -0.03em;
  box-shadow: 0 6px 18px -6px var(--red-glow-strong);
  overflow: hidden;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-copy { min-width: 0; }
.brand-name { font-weight: 700; font-size: var(--fs-md); letter-spacing: -0.01em; }
.brand-sub { color: var(--text-muted); font-size: var(--fs-xs); display: flex; align-items: center; gap: 6px; }

/* generic sidebar nav item */
.nav-item {
  display: flex; align-items: center; gap: var(--s-3);
  padding: 10px 12px; border-radius: var(--r-sm);
  color: var(--text-2); cursor: pointer; border: none; background: transparent;
  width: 100%; text-align: left; font-size: var(--fs-md); font-weight: 500;
  transition: background var(--t), color var(--t), box-shadow var(--t);
  position: relative;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: linear-gradient(90deg, var(--red-tint), var(--red-tint-2) 65%, transparent); color: var(--red-bright); box-shadow: inset 0 0 0 1px var(--border-red); }
.nav-item.active::before {
  content: ""; position: absolute; left: -4px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 18px; border-radius: 2px; background: var(--red-bright);
}
.nav-item svg { width: 18px; height: 18px; flex: none; }
.nav-item .nav-badge { margin-left: auto; }

.sidebar-spacer { flex: 1; }
.sidebar-foot { border-top: 1px solid var(--border); padding-top: var(--s-3); margin-top: var(--s-3); display: flex; flex-direction: column; gap: var(--s-1); }

/* collapsible group of secondary footer items (All servers / My account / Accounts / Dark theme) */
.sidebar-foot-menu {
  display: flex; flex-direction: column; gap: var(--s-1);
  max-height: 400px; opacity: 1; overflow: hidden;
  transition: max-height var(--t), opacity var(--t), margin var(--t);
}
.sidebar-foot-menu.collapsed { max-height: 0; opacity: 0; pointer-events: none; }

/* user block at bottom of sidebar */
.user-block { display: flex; align-items: center; gap: var(--s-2); padding: var(--s-3) var(--s-2); border-radius: var(--r-sm); }
.user-block .user-copy { min-width: 0; flex: 1; }
.user-block .user-name { font-weight: 600; font-size: var(--fs-sm); }
.user-block .user-role { font-size: var(--fs-xs); }

.user-menu-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; flex: none; border-radius: var(--r-sm);
  background: transparent; border: none; color: var(--text-muted); cursor: pointer;
  transition: background var(--t), color var(--t), transform var(--t);
}
.user-menu-toggle:hover { background: var(--bg-hover); color: var(--text); }
.user-menu-toggle svg { transition: transform var(--t); }
.user-menu-toggle.is-collapsed svg { transform: rotate(-90deg); }

.logout-btn-inline {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; flex: none; margin-left: auto; border-radius: var(--r-sm);
  background: transparent; border: none; color: var(--text-muted); cursor: pointer;
  transition: background var(--t), color var(--t);
}
.logout-btn-inline:hover { background: var(--red-tint); color: var(--red-bright); }

/* ---- select main area */
.select-main { padding: var(--s-8) var(--s-8) var(--s-9); max-width: var(--content-max); width: 100%; margin: 0 auto; }
.select-head { margin-bottom: var(--s-6); }
.select-head h1 { font-size: var(--fs-3xl); margin-bottom: var(--s-2); }
.select-head p { color: var(--text-2); max-width: 60ch; }
.select-controls { display: flex; gap: var(--s-3); flex-wrap: wrap; align-items: center; margin: var(--s-6) 0; }
.search-box {
  display: flex; align-items: center; gap: var(--s-2); flex: 1; min-width: 220px;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 0 12px;
  transition: border-color var(--t), box-shadow var(--t);
}
.search-box:focus-within { border-color: var(--border-red); box-shadow: var(--ring); }
.search-box svg { color: var(--text-muted); flex: none; }
.search-box input { flex: 1; background: transparent; border: none; padding: 11px 0; }
.search-box input:focus { outline: none; box-shadow: none; }

.select-section-title {
  display: flex; align-items: center; gap: var(--s-3);
  margin: var(--s-7) 0 var(--s-4); font-size: var(--fs-lg); font-weight: 650;
}
.select-section-title:first-of-type { margin-top: var(--s-2); }
.select-section-title .count { color: var(--text-muted); font-weight: 500; font-size: var(--fs-sm); }
.select-section-title .link {
  margin-left: auto; font-size: var(--fs-sm); color: var(--red-bright); cursor: pointer; font-weight: 500;
}

.server-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--s-4);
}

/* server card */
.server-card {
  display: flex; align-items: center; gap: var(--s-3);
  background: linear-gradient(180deg, var(--bg-card), var(--bg-card-2));
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s-4);
  cursor: pointer;
  transition: transform var(--t) var(--ease), border-color var(--t), box-shadow var(--t), background var(--t);
  position: relative; overflow: hidden;
  animation: fadeUp var(--t-slow) var(--ease-out) both;
}
.server-card::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(115deg, rgba(229, 57, 69, 0.52), rgba(229, 57, 69, 0.08) 28%, rgba(255, 255, 255, 0.08) 48%, rgba(229, 57, 69, 0.10) 68%, rgba(229, 57, 69, 0.34));
  background-size: 220% 220%;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.72;
  transition: opacity 420ms var(--ease), background-position 700ms var(--ease-out);
}
.server-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-red); }
.server-card:hover::before { opacity: 1; background-position: 100% 50%; }
.server-card:focus-visible { border-color: var(--border-red); box-shadow: var(--ring-focus); }
.server-card .avatar { width: 52px; height: 52px; border-radius: 14px; }
.server-card .sc-body { min-width: 0; flex: 1; }
.server-card .sc-name { font-weight: 650; font-size: var(--fs-md); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.server-card .sc-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.server-card .sc-arrow { color: var(--text-muted); transition: transform var(--t), color var(--t); flex: none; }
.server-card:hover .sc-arrow { color: var(--red-bright); transform: translateX(3px); }

/* Small secondary action: present on focus/touch, otherwise it stays out of
   the way until the card is intentionally inspected. */
.card-hide-btn {
  position: absolute;
  top: var(--s-3);
  right: var(--s-3);
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: color-mix(in srgb, var(--bg-elevated) 88%, transparent);
  color: var(--text-muted);
  cursor: pointer;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--t), transform var(--t) var(--ease), color var(--t), background var(--t), border-color var(--t), box-shadow var(--t);
}
.server-card:hover .card-hide-btn,
.server-card:focus-within .card-hide-btn {
  opacity: 1;
  transform: none;
}
.card-hide-btn:hover {
  color: var(--red-bright);
  background: var(--red-tint);
  border-color: var(--border-red);
  box-shadow: 0 6px 16px -10px var(--red-glow-strong);
}
.card-hide-btn:focus-visible {
  opacity: 1;
  transform: none;
  border-color: var(--red-bright);
}
.card-hide-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  right: 0;
  top: calc(100% + var(--s-2));
  width: max-content;
  max-width: 180px;
  padding: 5px 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-xs);
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: var(--shadow-md);
  font-size: var(--fs-xs);
  line-height: 1.2;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-3px);
  transition: opacity var(--t-fast), transform var(--t-fast);
}
.card-hide-btn:hover::after,
.card-hide-btn:focus-visible::after {
  opacity: 1;
  transform: none;
}

@media (hover: none) {
  .card-hide-btn { opacity: 1; transform: none; }
}

/* invite / add card */
.server-card.card-invite {
  border-style: dashed; background: var(--red-tint-2);
}
.server-card.card-invite .avatar { background: var(--red-tint); color: var(--red-bright); }

/* disabled "other servers" card */
.server-card.card-muted { cursor: not-allowed; opacity: 0.62; }
.server-card.card-muted:hover { transform: none; border-color: var(--border); box-shadow: var(--shadow-md); }
.server-card.card-muted .sc-arrow { display: none; }

/* =======================================================================
   PER-SERVER DASHBOARD
   ======================================================================= */
.dash-shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; min-height: 100vh; }

.dash-sidebar { z-index: var(--z-sidebar); }

/* server switcher pill in dash sidebar */
.server-switch {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-2) var(--s-3); border-radius: var(--r-sm);
  background: var(--bg-input); border: 1px solid var(--border);
  cursor: pointer; width: 100%; text-align: left; margin-bottom: var(--s-2);
  transition: border-color var(--t), background var(--t);
}
.server-switch:hover { border-color: var(--border-strong); background: var(--bg-hover); }
.server-switch .avatar { width: 34px; height: 34px; border-radius: 10px; }
.server-switch .ss-copy { min-width: 0; flex: 1; }
.server-switch .ss-name { font-weight: 600; font-size: var(--fs-sm); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.server-switch .ss-sub { color: var(--text-muted); font-size: var(--fs-xs); }
.server-switch .ss-caret { color: var(--text-muted); flex: none; }

/* settings search */
.settings-search { margin-bottom: var(--s-3); }

/* nav categories + accordion */
.nav-cat { margin-top: var(--s-4); }
.nav-cat-label {
  padding: 0 12px var(--s-2); font-size: var(--fs-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted);
}
.nav-group { }
.nav-group > .nav-item .nav-chevron { margin-left: auto; transition: transform var(--t); color: var(--text-muted); }
.nav-group.open > .nav-item .nav-chevron { transform: rotate(90deg); }
.nav-sub {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-slow) var(--ease);
}
.nav-group.open .nav-sub { grid-template-rows: 1fr; }
.nav-sub-inner { overflow: hidden; }
.nav-subitem {
  display: flex; align-items: center; gap: var(--s-2);
  padding: 8px 12px 8px 40px; border-radius: var(--r-xs);
  color: var(--text-2); cursor: pointer; border: none; background: transparent;
  width: 100%; text-align: left; font-size: var(--fs-sm);
  transition: background var(--t), color var(--t);
  position: relative;
}
.nav-subitem::before {
  content: ""; position: absolute; left: 21px; top: 0; bottom: 0; width: 1px; background: var(--border);
}
.nav-subitem:hover { background: var(--bg-hover); color: var(--text); }
.nav-subitem.active { color: var(--red-bright); font-weight: 600; }
.nav-subitem.active::before { background: var(--red-bright); }

/* ---- dashboard main column */
.dash-main { display: flex; flex-direction: column; min-width: 0; }

.dash-topbar {
  position: sticky; top: 0; z-index: var(--z-topbar);
  display: flex; align-items: center; gap: var(--s-4);
  padding: 0 var(--s-6); height: var(--topbar-h);
  background: rgba(14, 13, 18, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.dash-topbar .breadcrumbs { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); color: var(--text-2); min-width: 0; }
.dash-topbar .breadcrumbs .crumb-sep { color: var(--text-muted); }
.dash-topbar .breadcrumbs .crumb-current { color: var(--text); font-weight: 600; }
.dash-topbar .topbar-actions { margin-left: auto; display: flex; align-items: center; gap: var(--s-3); }
.last-updated { font-size: var(--fs-xs); color: var(--text-muted); }

.dash-content { padding: var(--s-6) var(--s-6) var(--s-9); max-width: var(--content-max); width: 100%; margin: 0 auto; flex: 1; }
.page-head { margin-bottom: var(--s-5); }
.page-head h1 { font-size: var(--fs-2xl); margin-bottom: 2px; }
.page-head p { color: var(--text-2); }

/* Match full-page navigation to the slower settings-tab transition. */
.panel { animation: panelIn 380ms cubic-bezier(0.22, 0.76, 0.28, 1); }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(8px); filter: blur(1px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}

/* The router keeps the outgoing panel's height until the browser has had a
   moment to scroll home, then eases into the incoming page's footprint. */
#panel-host.is-page-resizing {
  overflow: clip;
  transition: height 420ms cubic-bezier(0.22, 0.76, 0.28, 1);
  will-change: height;
}
@media (prefers-reduced-motion: reduce) {
  #panel-host.is-page-resizing { transition-duration: 1ms; }
}

/* grid used inside settings panels */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-3); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-3); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: var(--s-3); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: var(--s-3); }
.wide { grid-column: 1 / -1; }

/* gated (conditionally shown) sections */
[data-gate].gated-off { display: none; }
[data-gate] { overflow-anchor: none; transition: opacity var(--t), transform var(--t); }
[data-gate].gating-out { opacity: 0; transform: translateY(-4px); }
[data-gate].gate-splash { animation: gateReveal 240ms var(--ease-out); }
@keyframes gateReveal { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* =======================================================================
   RESPONSIVE
   ======================================================================= */
.mobile-topbar { display: none; }
.sidebar-backdrop {
  display: none; position: fixed; inset: 0; z-index: calc(var(--z-sidebar) - 1);
  background: rgba(4, 5, 9, 0.6); backdrop-filter: blur(3px);
  animation: fadeIn var(--t);
}

@media (max-width: 1080px) {
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  :root { --sidebar-w: 248px; }
  .select-shell, .dash-shell { grid-template-columns: 1fr; }

  /* sidebars become slide-in drawers */
  .select-sidebar, .dash-sidebar {
    position: fixed; top: 0; left: 0; z-index: var(--z-modal);
    width: var(--sidebar-w); height: 100vh;
    transform: translateX(-100%);
    transition: transform var(--t-slow) var(--ease);
    box-shadow: var(--shadow-lg);
  }
  body.drawer-open .select-sidebar,
  body.drawer-open .dash-sidebar { transform: translateX(0); }
  body.drawer-open .sidebar-backdrop { display: block; }

  .mobile-topbar {
    display: flex; align-items: center; gap: var(--s-3);
    position: sticky; top: 0; z-index: var(--z-topbar);
    height: 56px; padding: 0 var(--s-4);
    background: rgba(14, 13, 18, 0.9); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
  }
  .mobile-topbar .m-title { font-weight: 650; flex: 1; }
  .hamburger {
    width: 40px; height: 40px; border: 1px solid var(--border); border-radius: var(--r-sm);
    background: var(--bg-card-2); display: grid; place-items: center; cursor: pointer;
  }
  .dash-topbar { top: 56px; }
  .select-main, .dash-content { padding-left: var(--s-4); padding-right: var(--s-4); padding-top: var(--s-5); }
  .select-main h1 { font-size: var(--fs-2xl); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .server-grid { grid-template-columns: 1fr; }
  .dash-topbar { padding: 0 var(--s-4); }
  .modal-foot { flex-direction: column-reverse; }
  .modal-foot .btn { width: 100%; }
}

/* ---- light-theme: the frosted bars used a hardcoded dark tint ---- */
:root[data-theme="light"] .dash-topbar,
:root[data-theme="light"] .mobile-topbar { background: rgba(255, 255, 255, 0.85); }

/* theme toggle button matches the sidebar nav items */
.theme-toggle-btn .theme-ic { display: inline-flex; }