/* Pixel3DLab Forum Theme – v1.0
   This stylesheet is designed to be loaded only when forum.php renders a view.
   It deliberately relies on the existing theme tokens where available. */
:root {
  --pl-forum-accent: var(--color-blue, #3ea0ff);
  --pl-forum-cyan: var(--pl-cyan, #55e1ff);
  --pl-forum-glass: var(--pl-glass, rgba(255,255,255,.66));
  --pl-forum-glass-strong: var(--pl-glass-strong, rgba(255,255,255,.86));
  --pl-forum-line: var(--pl-line, var(--border-color, rgba(100,116,139,.19)));
  --pl-forum-shadow: var(--pl-shadow, 0 18px 48px rgba(15,23,42,.08));
}
[data-theme="dark"] {
  --pl-forum-glass: var(--pl-glass, rgba(15,23,42,.63));
  --pl-forum-glass-strong: var(--pl-glass-strong, rgba(15,23,42,.86));
  --pl-forum-line: var(--pl-line, var(--border-color, rgba(148,163,184,.18)));
}

/* Main forum surfaces */
.container .card.border-blue,
.container .card.border-green,
.container .card.border-purple,
.container .card.border-yellow {
  position: relative;
  border: 1px solid var(--pl-forum-line) !important;
  border-left: 1px solid var(--pl-forum-line) !important;
  border-radius: 18px !important;
  background: var(--pl-forum-glass) !important;
  color: var(--text-main, #263447) !important;
  box-shadow: var(--pl-forum-shadow) !important;
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  backdrop-filter: blur(18px) saturate(130%);
  overflow: hidden;
  transition: border-color .22s ease, background-color .22s ease, box-shadow .22s ease;
}
.container .card.border-blue:hover,
.container .card.border-green:hover,
.container .card.border-purple:hover,
.container .card.border-yellow:hover {
  border-color: rgba(62,160,255,.28) !important;
  box-shadow: 0 22px 58px rgba(15,23,42,.11) !important;
}
.container .card h2,
.container .card h3,
.container .card h4 {
  color: var(--text-main, #263447);
  letter-spacing: -.025em;
}
.container .card p { color: var(--text-muted, #64748b); }

/* Headers, breadcrumbs and responsive controls */
.forum-header-flex {
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}
.forum-header-flex h2 { font-size: clamp(1.25rem, 2.1vw, 1.65rem); }
.forum-header-flex > div:first-child { min-width: 0; }
.container a[href*="page=forum"]:not(.forum-list-item):not(.btn) {
  transition: color .18s ease, opacity .18s ease;
}
.container a[href*="page=forum"]:not(.forum-list-item):not(.btn):hover { color: var(--pl-forum-accent) !important; }

/* Category and topic rows */
.forum-list-item {
  position: relative;
  display: flex;
  min-width: 0;
  gap: 16px;
  align-items: center;
  padding: 18px 20px !important;
  border-bottom: 1px solid var(--pl-forum-line) !important;
  background: transparent !important;
  color: var(--text-main, #263447) !important;
  text-decoration: none !important;
  isolation: isolate;
  transition: background-color .2s ease, border-color .2s ease;
}
.forum-list-item:last-child { border-bottom: 0 !important; }
.forum-list-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  bottom: 13px;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--pl-forum-cyan), var(--pl-forum-accent));
  opacity: 0;
  transform: scaleY(.65);
  transform-origin: center;
  transition: opacity .2s ease, transform .2s ease;
  z-index: -1;
}
.forum-list-item:hover,
.forum-list-item:focus-visible {
  background: rgba(62,160,255,.055) !important;
  outline: none;
}
.forum-list-item:hover::before,
.forum-list-item:focus-visible::before { opacity: .9; transform: scaleY(1); }
.forum-list-item:focus-visible { box-shadow: inset 0 0 0 2px rgba(62,160,255,.52); }
.forum-list-item > div { min-width: 0; }
.forum-list-item h4 { overflow-wrap: anywhere; }
.forum-list-item p { overflow-wrap: anywhere; }
.forum-icon-box {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  border-radius: 13px !important;
  background: var(--pl-forum-glass-strong) !important;
  color: var(--pl-forum-accent) !important;
  border: 1px solid var(--pl-forum-line) !important;
  box-shadow: 0 7px 20px rgba(15,23,42,.045);
}
.forum-icon-box svg { width: 22px; height: 22px; }
.f-stats {
  flex: 0 0 120px;
  min-width: 120px;
  color: var(--text-muted, #64748b) !important;
  font-size: 12px;
  line-height: 1.65;
  font-variant-numeric: tabular-nums;
}
.f-stats strong { color: var(--text-main, #263447); font-weight: 750; }
.forum-topic-meta { row-gap: 4px; }

/* Topic detail and post cards */
.forum-post {
  padding: 24px 0;
  gap: 24px;
  border-bottom: 1px solid var(--pl-forum-line) !important;
}
.forum-post:last-child { border-bottom: 0 !important; }
.forum-user-col {
  flex: 0 0 172px;
  width: 172px;
  border-right: 1px solid var(--pl-forum-line) !important;
}
.forum-user-col > a { border-radius: 10px; }
.forum-user-col > a:focus-visible { outline: 3px solid #ffeb3b; outline-offset: 3px; }
.forum-avatar {
  width: 72px;
  height: 72px;
  background: linear-gradient(145deg, #2e80ef, #54bddf) !important;
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 0 9px 24px rgba(52,135,246,.16) !important;
}
.forum-content-col { min-width: 0; }
.forum-signature { border-color: var(--pl-forum-line) !important; }
.forum-content-col a { overflow-wrap: anywhere; }

/* Forms, buttons and moderator controls */
.container .form-group { min-width: 0; }
.container input[type="text"],
.container input[type="password"],
.container input[type="email"],
.container input[type="number"],
.container select,
.container textarea {
  max-width: 100%;
  color: var(--text-main, #263447) !important;
  background: var(--input-bg, rgba(255,255,255,.48)) !important;
  border: 1px solid var(--input-border, var(--pl-forum-line)) !important;
  border-radius: 11px !important;
  box-shadow: none !important;
}
.container input:focus,
.container select:focus,
.container textarea:focus {
  border-color: var(--pl-forum-accent) !important;
  box-shadow: 0 0 0 3px rgba(62,160,255,.15) !important;
  outline: none;
}
.container .btn {
  min-height: 40px;
  border-radius: 10px !important;
  font-weight: 700;
  text-decoration: none !important;
  transition: transform .18s ease, filter .18s ease, box-shadow .18s ease;
}
.container .btn:hover { filter: brightness(1.04); }
.container .btn:focus-visible { outline: 3px solid #ffeb3b; outline-offset: 3px; }
.mod-buttons { align-items: center; }
.mod-buttons form { display: flex; }
.mod-buttons .btn { white-space: nowrap; }

/* Keep nested list frames glassy instead of opaque white */
.container .card [style*="background: var(--card-bg)"],
.container .card [style*="background:var(--card-bg)"],
.container .card [style*="background: var(--hover-bg)"],
.container .card [style*="background:var(--hover-bg)"] {
  color: var(--text-main) !important;
  border-color: var(--pl-forum-line) !important;
}

@media (max-width: 920px) {
  .forum-user-col { flex-basis: 145px; width: 145px; }
  .f-stats { flex-basis: 106px; min-width: 106px; }
}
@media (max-width: 650px) {
  .forum-header-flex { align-items: flex-start; gap: 12px; }
  .forum-header-flex .btn { width: 100%; justify-content: center; }
  .forum-list-item { align-items: flex-start; flex-wrap: wrap; gap: 12px; padding: 15px 12px !important; }
  .forum-icon-box { flex-basis: 44px; width: 44px; height: 44px; }
  .forum-list-item > div:nth-child(2) { flex: 1 1 calc(100% - 60px); min-width: 0 !important; }
  .f-stats { display: flex; flex: 1 1 100%; gap: 14px; width: 100%; min-width: 0; margin-top: 0; padding-left: 56px; text-align: left; font-size: 11px; }
  .f-stats > div { margin-bottom: 0 !important; }
  .forum-topic-meta { flex-direction: column; gap: 3px; }
  .forum-topic-meta .hide-mobile { display: none; }
  .forum-post { flex-direction: column; gap: 14px; padding: 18px 0; }
  .forum-user-col { display: flex; align-items: center; gap: 12px; flex: 1 1 auto; width: 100%; border-right: 0 !important; border-bottom: 1px solid var(--pl-forum-line); padding: 0 0 14px; text-align: left; }
  .forum-avatar { flex: 0 0 48px; width: 48px; height: 48px; margin: 0; font-size: 19px; }
  .forum-user-col > a { display: flex; align-items: center; gap: 12px; min-width: 0; }
  .forum-user-col > a h4 { margin: 0 !important; }
  .forum-user-col > div { margin: 0 !important; }
  .forum-user-col > div:last-child { margin-left: auto !important; text-align: right; }
  .mod-buttons { width: 100%; display: grid !important; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px !important; }
  .mod-buttons form { min-width: 0; }
  .mod-buttons .btn { width: 100%; justify-content: center; padding: 9px 8px !important; white-space: normal; }
  .mod-buttons form:last-child .btn.btn-red { grid-column: span 2; }
  .container .card.border-blue,
  .container .card.border-green,
  .container .card.border-purple,
  .container .card.border-yellow { padding: 17px !important; border-radius: 15px !important; }
}
@media (prefers-reduced-motion: reduce) {
  .forum-list-item,
  .forum-list-item::before,
  .container .btn,
  .container .card { transition: none !important; }
}