/* ForumForge V7 – functional and layout repair layer */

/* Use every color from the selected theme, not the old hard-coded V5 values. */
html[data-theme="dark"] {
  --bg: var(--dark-bg, #0b1220);
  --surface: var(--dark-surface, #172033);
  --surface-2: var(--dark-surface-2, #1d2940);
  --text: var(--dark-text, #edf4ff);
  --muted: var(--dark-muted, #94a3b8);
  --border: var(--dark-border, #2b3a55);
  --primary: var(--dark-primary, #4f8cff);
  --accent: var(--dark-accent, #71d6ff);
}
html[data-theme="light"] {
  --bg: var(--light-bg, #eef3f8);
  --surface: var(--light-surface, #ffffff);
  --surface-2: var(--light-surface-2, #e8eef6);
  --text: var(--light-text, #142033);
  --muted: var(--light-muted, #607087);
  --border: var(--light-border, #cbd5e1);
  --primary: var(--light-primary, #2563eb);
  --accent: var(--light-accent, #0284c7);
}

body {
  position: relative;
  isolation: isolate;
  font-family: var(--forum-font, Inter), sans-serif;
}
body.has-page-background::before {
  content: "";
  position: fixed;
  z-index: 0;
  top: var(--actual-header-height, var(--nav-height, 72px));
  right: 0;
  bottom: 0;
  left: 0;
  pointer-events: none;
  opacity: var(--page-background-opacity, .35);
  background-image: var(--page-background-image);
  background-position: center top;
  background-size: cover;
  background-repeat: no-repeat;
}
body.has-page-background.page-background-contain::before {
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center top;
}
body.has-page-background.page-background-repeat::before {
  background-size: auto;
  background-repeat: repeat;
  background-position: left top;
}
.topbar { position: sticky; z-index: 100; }
.page-shell,
.footer { position: relative; z-index: 1; }
.shell { width: min(var(--content-width, 1320px), calc(100% - 32px)); }
.panel { border-radius: var(--card-radius, 18px); }
.theme-card-flat .panel { box-shadow: none !important; }
.theme-card-glass .panel {
  background: color-mix(in srgb, var(--surface) 80%, transparent) !important;
  backdrop-filter: blur(18px);
}
.background-grid {
  background-image:
    linear-gradient(color-mix(in srgb, var(--border) 35%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--border) 35%, transparent) 1px, transparent 1px) !important;
  background-size: 34px 34px !important;
}
.background-clean { background-image: none !important; }

/* Header, brand and independently styled menu buttons. */
.topbar { min-height: var(--nav-height, 72px); }
.theme-header-solid .topbar { background: var(--surface); backdrop-filter: none; }
.theme-header-gradient .topbar { background: linear-gradient(110deg, var(--surface), color-mix(in srgb, var(--primary) 18%, var(--surface))); }
.nav-shell { min-height: var(--nav-height, 72px); gap: clamp(14px, 2vw, 28px); }
.brand { flex: 0 1 auto; min-width: 0; }
.brand-logo {
  display: block !important;
  width: var(--brand-logo-width, 180px) !important;
  height: var(--brand-logo-height, 56px) !important;
  max-width: min(360px, 28vw) !important;
  max-height: 140px !important;
  object-fit: contain !important;
  object-position: left center;
  border-radius: 0 !important;
  flex: 0 0 auto;
}
.brand-default-logo {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}
.brand > span:last-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.main-nav {
  display: flex !important;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px !important;
}
.main-nav .menu-theme-button {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 9px !important;
  min-height: 40px;
  padding: 9px 13px !important;
  border-style: solid !important;
  border-width: 0 !important;
  border-color: transparent !important;
  border-radius: var(--menu-radius, 10px) !important;
  color: var(--menu-dark-text, var(--muted)) !important;
  background-color: transparent !important;
  background-position: center !important;
  background-size: cover !important;
  background-repeat: no-repeat !important;
  font-weight: 700;
  line-height: 1;
  transition: transform .16s ease, filter .16s ease, background-color .16s ease;
}
html[data-theme="light"] .main-nav .menu-theme-button { color: var(--menu-light-text, var(--muted)) !important; }
.main-nav .menu-theme-button.use-background { background-color: var(--menu-dark-bg, var(--surface-2)) !important; }
html[data-theme="light"] .main-nav .menu-theme-button.use-background { background-color: var(--menu-light-bg, var(--surface-2)) !important; }
.main-nav .menu-theme-button.use-border {
  border-width: var(--menu-border-width, 1px) !important;
  border-color: var(--menu-dark-border, var(--border)) !important;
}
html[data-theme="light"] .main-nav .menu-theme-button.use-border { border-color: var(--menu-light-border, var(--border)) !important; }
.main-nav .menu-theme-button.use-image { background-image: linear-gradient(rgba(0,0,0,.16), rgba(0,0,0,.16)), var(--menu-image) !important; }
.main-nav .menu-theme-button.is-current:not(.use-background):not(.use-image) { background-color: transparent !important; box-shadow: inset 0 -2px var(--primary); }
.main-nav .menu-theme-button.is-current { color: var(--primary) !important; }
.main-nav .menu-theme-button:hover { transform: translateY(-1px); filter: brightness(1.12); }
.main-nav .menu-theme-button i { flex: 0 0 auto; }
.main-nav .menu-theme-button span { display: inline-block; }

/* Footer: exact left / center / right placement. */
.footer { color: var(--footer-text, var(--muted)); background: var(--footer-bg, transparent); border-top: 1px solid var(--border); }
.footer-grid {
  min-height: 76px;
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) !important;
  align-items: center;
  gap: 20px;
  padding-block: 14px;
}
.footer-slot {
  display: flex !important;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: inherit;
}
.footer-slot span { min-width: 0; overflow-wrap: anywhere; }
.footer-left { justify-content: flex-start !important; text-align: left !important; }
.footer-center { justify-content: center !important; text-align: center !important; }
.footer-right { justify-content: flex-end !important; text-align: right !important; }
.footer-slot i { color: inherit !important; }

/* Theme editor: stable two-column sandbox and fully functional preview. */
.theme-editor {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) minmax(420px, .72fr) !important;
  gap: 24px;
  align-items: start;
}
.theme-editor-fields { display: grid; gap: 18px; min-width: 0; }
.theme-editor-preview-wrap { position: sticky; top: calc(var(--nav-height, 72px) + 18px); min-width: 0; }
.theme-preview-status,
.preview-mode-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.theme-preview-status { color: var(--muted); font-size: .86rem; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 15%, transparent); }
.preview-mode-switch { padding: 5px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.preview-mode-switch button {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 750;
}
.preview-mode-switch button.active { background: var(--primary); color: #fff; }
.theme-editor-preview {
  --sandbox-bg: #0b1220;
  --sandbox-surface: #172033;
  --sandbox-surface-2: #1d2940;
  --sandbox-text: #edf4ff;
  --sandbox-muted: #94a3b8;
  --sandbox-border: #2b3a55;
  --sandbox-primary: #4f8cff;
  --sandbox-accent: #71d6ff;
  --sandbox-radius: 18px;
  --sandbox-font: Inter, sans-serif;
  position: relative;
  isolation: isolate;
  min-height: 590px;
  overflow: hidden;
  padding: 0 !important;
  color: var(--sandbox-text) !important;
  background-color: var(--sandbox-bg) !important;
  background-image: var(--sandbox-background-image, none) !important;
  background-size: var(--sandbox-background-size, auto) !important;
  font-family: var(--sandbox-font) !important;
  border-radius: var(--sandbox-radius) !important;
}
.theme-editor-preview::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: var(--sandbox-nav-height, 60px);
  right: 0;
  bottom: 0;
  left: 0;
  opacity: var(--sandbox-upload-opacity, 0);
  background-image: var(--sandbox-upload-background, none);
  background-position: center top;
  background-size: cover;
  background-repeat: no-repeat;
  pointer-events: none;
}
.theme-editor-preview[data-background-mode="contain"]::before { background-size: contain; background-repeat: no-repeat; }
.theme-editor-preview[data-background-mode="repeat"]::before { background-size: auto; background-repeat: repeat; background-position: left top; }
.sandbox-nav {
  position: relative;
  z-index: 2;
  min-height: var(--sandbox-nav-height, 60px) !important;
  display: flex !important;
  align-items: center;
  gap: 8px !important;
  padding: 9px 12px !important;
  color: var(--sandbox-text);
  border-bottom: 1px solid var(--sandbox-border) !important;
  background: var(--sandbox-nav-background, var(--sandbox-surface)) !important;
}
.sandbox-nav > b[data-preview-logo] {
  display: flex !important;
  align-items: center;
  justify-content: flex-start;
  width: auto !important;
  min-width: 40px;
  max-width: 155px;
  height: 42px !important;
  padding: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  overflow: hidden;
}
.sandbox-nav > b[data-preview-logo] img { display: block; max-width: 150px; max-height: 42px; width: auto; height: auto; object-fit: contain; object-position: left center; }
.sandbox-nav > b[data-preview-logo] > i { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; color: #fff; background: linear-gradient(135deg, var(--sandbox-primary), var(--sandbox-accent)); }
.sandbox-nav [data-preview-menu] {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 5px !important;
  min-height: 32px;
  padding: 6px 8px;
  color: var(--sandbox-muted);
  background-position: center;
  background-size: cover;
  font-size: .68rem;
  font-style: normal;
  white-space: nowrap;
}
.sandbox-nav [data-preview-menu] b { display: inline; width: auto; height: auto; background: none; color: inherit; font-weight: 700; }
.sandbox-nav > i { flex: 1; }
.sandbox-nav > em { flex: 0 0 auto; color: var(--sandbox-text); background: var(--sandbox-surface-2); }
.sandbox-page {
  position: relative;
  z-index: 1;
  width: min(94%, var(--sandbox-content-width, 94%));
  min-height: 510px;
  margin-inline: auto;
  padding: 24px 0 32px !important;
  color: var(--sandbox-text);
  background: transparent !important;
}
.sandbox-hero,
.sandbox-card {
  border-color: var(--sandbox-border) !important;
  border-radius: var(--sandbox-radius) !important;
  color: var(--sandbox-text) !important;
  background: var(--sandbox-card-background, var(--sandbox-surface)) !important;
  box-shadow: var(--sandbox-shadow, 0 18px 45px rgba(0,0,0,.22)) !important;
}
.sandbox-hero p,
.sandbox-card p,
.sandbox-card small,
.sandbox-card em { color: var(--sandbox-muted) !important; }
.sandbox-hero small,
.sandbox-card.row > i { color: var(--sandbox-accent) !important; }
.sandbox-hero button { background: var(--sandbox-primary) !important; }
.theme-current-asset { overflow: hidden; }
.theme-current-asset img { width: auto !important; max-width: 100%; max-height: 180px; object-fit: contain !important; }
.theme-current-asset.wide img { width: 100% !important; height: min(220px, 28vw) !important; object-fit: contain !important; background: var(--bg); }
.logo-presets { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.menu-button-editor { border-left: 4px solid color-mix(in srgb, var(--primary) 60%, var(--border)); }
.menu-remove-image { margin-top: 12px; }
.save-theme-panel { position: sticky; bottom: 12px; z-index: 8; }

/* Forum settings live preview. */
.settings-editor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(410px, .72fr);
  gap: 24px;
  align-items: start;
}
.settings-editor-fields { min-width: 0; }
.settings-preview-wrap,
.structure-preview-wrap { position: sticky; top: calc(var(--nav-height, 72px) + 18px); min-width: 0; }
.settings-live-preview { overflow: hidden; padding: 14px; }
.settings-preview-hero {
  position: relative;
  isolation: isolate;
  min-height: 270px;
  display: flex;
  align-items: end;
  overflow: hidden;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background-color: var(--surface-2);
  background-position: center;
  background-size: cover;
}
.settings-preview-overlay { position: absolute; z-index: -1; inset: 0; background: #08101ccc; }
.settings-preview-content { color: #fff; }
.settings-preview-content small { color: var(--settings-accent, var(--accent)); font-weight: 850; letter-spacing: .12em; }
.settings-preview-content h2 { margin: 5px 0 9px; font-size: 2rem; line-height: 1.05; }
.settings-preview-content h2 span,
.settings-preview-content h2 strong { display: block; }
.settings-preview-content h2 strong { color: var(--settings-accent, var(--accent)); }
.settings-preview-content p { max-width: 560px; margin: 0 0 16px; }
.settings-preview-content button { margin-right: 7px; padding: 8px 12px; border: 0; border-radius: 9px; color: #fff; background: var(--settings-accent, var(--primary)); }
.settings-preview-content button.secondary { border: 1px solid rgba(255,255,255,.35); background: rgba(255,255,255,.1); }
.settings-preview-motd {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  margin-top: 12px;
  padding: 18px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--motd-color, var(--accent));
  border-radius: 14px;
  background: var(--surface);
}
.settings-preview-motd[hidden] { display: none; }
.settings-preview-motd .motd-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 13px; color: var(--motd-color, var(--accent)); background: color-mix(in srgb, var(--motd-color, var(--accent)) 13%, var(--surface-2)); }
.settings-preview-motd small { color: var(--motd-color, var(--accent)); font-weight: 850; letter-spacing: .12em; }
.settings-preview-motd h3 { margin: 2px 0 3px; }
.settings-preview-motd p { margin: 0; color: var(--muted); }
.settings-preview-footer {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 10px;
  min-height: 68px;
  margin-top: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
}
.settings-preview-footer > span { display: flex; align-items: center; gap: 6px; min-width: 0; }
.settings-preview-footer > span:nth-child(2) { justify-content: center; text-align: center; }
.settings-preview-footer > span:nth-child(3) { justify-content: flex-end; text-align: right; }
.settings-preview-footer b { overflow-wrap: anywhere; }
.footer-editor-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.footer-editor-grid > div { padding: 14px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface-2); }
.footer-editor-grid h3 { margin: 0 0 10px; }
.sticky-form-actions { position: sticky; bottom: 12px; z-index: 5; display: flex; justify-content: flex-end; gap: 10px; padding: 14px; }

/* Original-size category/subcategory administration preview. */
.structure-editor {
  display: grid;
  grid-template-columns: minmax(330px, .42fr) minmax(650px, 1fr);
  gap: 24px;
  align-items: start;
}
.structure-fields { min-width: 0; }
.preview-label { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 10px; color: var(--muted); }
.preview-label span { color: var(--text); font-weight: 800; }
.structure-preview-list,
.structure-parent-previews { display: grid; gap: 18px; }
.structure-preview-list .category,
.structure-parent-previews .category { width: 100%; box-shadow: none; }
.preview-category-item.is-editing,
.preview-subcategory-item.is-editing { border-color: color-mix(in srgb, var(--primary) 55%, var(--border)); box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 14%, transparent); }
.preview-parent-category[hidden],
.preview-parent-category.is-preview-hidden { display: none !important; }
.preview-category-item.is-hidden,
.preview-subcategory-item.is-hidden { opacity: .45; filter: grayscale(.45); }

/* Thread create/edit pages and editor. */
.thread-create-panel,
.thread-form-panel { overflow: visible; padding: clamp(20px, 3vw, 34px) !important; }
.thread-create-panel .section-heading,
.thread-form-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 0 0 26px;
  padding: 0 0 20px;
  border-bottom: 1px solid var(--border);
}
.thread-create-panel .section-heading h1,
.thread-form-heading h1 { margin: 5px 0 0; font-size: clamp(1.8rem, 4vw, 2.7rem); }
.thread-editor-lock { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid var(--border); border-radius: 999px; color: var(--accent); background: var(--surface-2); }
.thread-editor-options { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, .42fr) minmax(150px, .32fr); gap: 14px; align-items: end; }
.thread-background-editor { display: grid; grid-template-columns: minmax(0, 1fr) minmax(230px, .5fr); gap: 16px; align-items: start; }
.current-thread-background { padding: 12px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface-2); }
.current-thread-background img { display: block; width: 100%; max-height: 190px; object-fit: contain; border-radius: 10px; background: var(--bg); }
.current-thread-background .check { margin-top: 10px; }
.rich-editor {
  overflow: hidden;
  border: 1px solid var(--border) !important;
  border-radius: 14px !important;
  background: var(--surface) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.025);
}
.rich-toolbar {
  min-height: 56px !important;
  display: flex !important;
  align-items: center !important;
  flex-wrap: wrap !important;
  gap: 7px !important;
  padding: 8px !important;
  border-bottom: 1px solid var(--border) !important;
  background: var(--surface-2) !important;
}
.toolbar-group { display: inline-flex; align-items: center; gap: 3px; padding-right: 7px; border-right: 1px solid var(--border); }
.toolbar-group:last-child { border-right: 0; }
.rich-toolbar button,
.rich-toolbar select,
.editor-color {
  width: auto !important;
  min-width: 38px !important;
  height: 38px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 7px;
  margin: 0 !important;
  padding: 0 10px !important;
  border: 1px solid transparent !important;
  border-radius: 9px !important;
  color: var(--text) !important;
  background: transparent !important;
  cursor: pointer;
}
.rich-toolbar select { min-width: 112px !important; max-width: 150px !important; }
.rich-toolbar button:hover,
.rich-toolbar button.active,
.rich-toolbar select:hover,
.editor-color:hover { color: var(--accent) !important; border-color: var(--border) !important; background: var(--surface) !important; }
.editor-color { position: relative; }
.editor-color input { position: absolute; inset: auto; width: 1px !important; height: 1px !important; opacity: 0; pointer-events: none; }
.editor-preview-button { margin-left: auto !important; min-width: 112px !important; color: #fff !important; background: var(--primary) !important; }
.editor-preview-button:hover,
.editor-preview-button.active { color: #fff !important; filter: brightness(1.08); }
.rich-editor textarea {
  display: block !important;
  width: 100% !important;
  min-height: 300px !important;
  margin: 0 !important;
  padding: 20px !important;
  border: 0 !important;
  border-radius: 0 !important;
  outline: none !important;
  resize: vertical;
  color: var(--text) !important;
  background: var(--surface) !important;
  line-height: 1.7;
}
.rich-editor textarea[hidden] { display: none !important; }
.rich-preview { min-height: 300px; padding: 20px; color: var(--text); background: var(--surface); }
.rich-preview[hidden] { display: none !important; }
.editor-help { padding: 9px 14px; border-top: 1px solid var(--border); color: var(--muted); background: var(--surface-2); font-size: .8rem; }
.icon-selection-preview { min-height: 54px !important; }

@media (max-width: 1180px) {
  .theme-editor,
  .settings-editor,
  .structure-editor { grid-template-columns: 1fr !important; }
  .theme-editor-preview-wrap,
  .settings-preview-wrap,
  .structure-preview-wrap { position: static; }
  .brand-logo { max-width: min(300px, 32vw) !important; }
}
@media (max-width: 900px) {
  .nav-shell { flex-wrap: wrap; padding-block: 10px; }
  .main-nav { order: 3; width: 100%; }
  .nav-actions { margin-left: auto; }
  .footer-editor-grid { grid-template-columns: 1fr; }
  .thread-editor-options,
  .thread-background-editor { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .brand > span:last-child { display: none; }
  .brand-logo { max-width: 170px !important; max-height: 54px !important; }
  .main-nav .menu-theme-button span { display: inline-block !important; }
  .main-nav .menu-theme-button { flex: 1 1 calc(50% - 4px); }
  .footer-grid,
  .settings-preview-footer { grid-template-columns: 1fr !important; }
  .footer-slot,
  .footer-left,
  .footer-center,
  .footer-right,
  .settings-preview-footer > span,
  .settings-preview-footer > span:nth-child(2),
  .settings-preview-footer > span:nth-child(3) { justify-content: center !important; text-align: center !important; }
  .theme-editor-preview { min-height: 500px; }
  .sandbox-nav [data-preview-menu] b { display: none; }
  .sandbox-page { padding-inline: 10px !important; }
  .rich-toolbar { align-items: stretch !important; }
  .toolbar-group { flex-wrap: wrap; }
  .editor-preview-button { margin-left: 0 !important; }
  .thread-create-panel .section-heading,
  .thread-form-heading { align-items: flex-start; flex-direction: column; }
}