/* ═══════════════════════════════════════════════════════════════════════
   BSF SOCIAL — Design System aligned with BSF Skills (apptun.css)
   ═══════════════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }

/* ── Design Tokens (Light — mirrors apptun.css exactly) ─────────────── */
:root {
  --s-bg:      #F4F6F8;
  --s-bg1:     #EDF0F4;
  --s-card:    #FFFFFF;
  --s-surface: #FFFFFF;

  --s-brand:   #0C304C;
  --s-accent:  #1E70B8;
  --s-accent2: #1558A0;

  --s-border:  rgba(12,48,76,.10);
  --s-stroke:  rgba(12,48,76,.12);
  --s-stroke2: rgba(12,48,76,.07);

  --s-text:    #1A2D42;
  --s-text2:   #0C304C;
  --s-muted:   #6B7A8D;
  --s-muted2:  #8A97A6;

  --s-shadow:  0 20px 60px rgba(20,30,50,.12);
  --s-shadow-sm: 0 8px 24px rgba(20,30,50,.08);
  --s-shadow-xs: 0 4px 12px rgba(20,30,50,.06);

  --s-hover:   #EDF0F4;

  --s-r-xl:   24px;
  --s-r-lg:   18px;
  --s-r-md:   14px;
  --s-r-sm:   10px;
  --s-r-xs:   6px;
  --s-radius: var(--s-r-md);

  --s-sidebar: 288px;
  --s-right:   320px;
  --topbar-h:  80px;

  --s-page-max: 1440px;
  --s-page-pad: 24px;
}

/* ── Dark theme (mirrors apptun.css dark vars) ───────────────────────── */
[data-theme="dark"] {
  --s-bg:      #0B1E33;
  --s-bg1:     #102840;
  --s-card:    #19334E;
  --s-surface: #19334E;

  --s-brand:   #4D9ED0;
  --s-accent:  #4D9ED0;
  --s-accent2: #3A8EC4;

  --s-border:  rgba(77,158,208,.12);
  --s-stroke:  rgba(77,158,208,.16);
  --s-stroke2: rgba(77,158,208,.08);

  --s-text:    #E8EDF2;
  --s-text2:   #E8EDF2;
  --s-muted:   #8A97A6;
  --s-muted2:  #6B7A8D;

  --s-shadow:  0 20px 60px rgba(0,0,0,.35);
  --s-shadow-sm: 0 8px 24px rgba(0,0,0,.25);
  --s-shadow-xs: 0 4px 12px rgba(0,0,0,.18);

  --s-hover:   rgba(77,158,208,.08);
}

/* ── Base ────────────────────────────────────────────────────────────── */
html {
  overflow-x: hidden;
}
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--s-bg);
  color: var(--s-text);
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

/* ── Layout ──────────────────────────────────────────────────────────── */
.bsf-social-layout {
  display: grid;
  grid-template-columns: var(--s-sidebar) minmax(0, 1fr) var(--s-right);
  gap: 20px;
  width: 100%;
  max-width: var(--s-page-max);
  margin: 0 auto;
  padding: 16px var(--s-page-pad) 24px;
  align-items: start;
  box-sizing: border-box;
}
/* All direct grid children must not overflow their column */
.bsf-social-layout > * { min-width: 0; }

@media (max-width: 1180px) {
  .bsf-social-layout {
    grid-template-columns: var(--s-sidebar) minmax(0, 1fr);
  }
  .bsf-right-col { display: none; }
}
@media (max-width: 720px) {
  .bsf-social-layout {
    grid-template-columns: minmax(0, 1fr);
    padding: 14px 12px;
    gap: 14px;
  }
  .bsf-social-layout > * { grid-column: 1 / -1 !important; }
  .bsf-left-col { position: static; flex-direction: column; width: 100%; gap: 14px; }
  .bsf-sidenav hr { display: none; }
}

/* ── Card base ───────────────────────────────────────────────────────── */
.bsf-card {
  background: var(--s-card);
  border: 1px solid var(--s-border);
  border-radius: var(--s-r-lg);
  box-shadow: var(--s-shadow-xs);
  overflow: hidden;        /* clips corners */
  min-width: 0;            /* grid child safety */
  transition: box-shadow .2s;
}
.bsf-card:hover { box-shadow: var(--s-shadow-sm); }
/* Feed-tabs card needs horizontal scroll inside */
.bsf-card:has(.bsf-feed-tabs) { overflow: hidden; }

/* ── Avatar ──────────────────────────────────────────────────────────── */
.bsf-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; color: #fff; font-weight: 700;
  flex-shrink: 0; text-transform: uppercase; letter-spacing: .5px;
  user-select: none; cursor: default;
}

/* ── Sidebar nav ─────────────────────────────────────────────────────── */
.bsf-sidenav { padding: 10px 8px; }
.bsf-sidenav a {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: var(--s-r-sm);
  font-size: 14px; font-weight: 500; color: var(--s-text);
  transition: background .15s, color .15s;
}
.bsf-sidenav a:hover { background: var(--s-hover); color: var(--s-accent); }
.bsf-sidenav a.active {
  background: linear-gradient(135deg, rgba(30,112,184,.14) 0%, rgba(12,48,76,.08) 100%);
  color: var(--s-accent);
  font-weight: 600;
}
[data-theme="dark"] .bsf-sidenav a.active {
  background: rgba(77,158,208,.14);
}
.bsf-sidenav a i { width: 18px; height: 18px; stroke: currentColor; flex-shrink: 0; }
.bsf-sidenav hr { border: none; border-top: 1px solid var(--s-border); margin: 8px 6px; }

/* ── Profile card (sidebar) ──────────────────────────────────────────── */
.bsf-profile-card { padding: 22px 18px; text-align: center; }
.bsf-profile-card .bsf-avatar { width: 68px; height: 68px; font-size: 26px; margin: 0 auto 14px; box-shadow: var(--s-shadow-sm); }
.bsf-profile-card strong { display: block; font-size: 15px; font-weight: 700; color: var(--s-text2); }
.bsf-profile-card small { color: var(--s-muted); font-size: 12px; }
.bsf-profile-stats {
  display: flex; justify-content: space-around;
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid var(--s-border);
}
.bsf-profile-stats div { text-align: center; }
.bsf-profile-stats span { display: block; font-size: 20px; font-weight: 800; color: var(--s-accent); }
.bsf-profile-stats small { font-size: 10px; color: var(--s-muted); text-transform: uppercase; letter-spacing: .5px; }

/* ── Composer ────────────────────────────────────────────────────────── */
.bsf-composer { padding: 18px; }
.bsf-composer-top { display: flex; gap: 12px; align-items: flex-start; }
.bsf-composer-area {
  flex: 1; border: 1.5px solid var(--s-border); border-radius: var(--s-r-sm);
  padding: 11px 16px; font: 14px/1.5 Inter, sans-serif;
  background: var(--s-bg1); color: var(--s-text); resize: none;
  min-height: 54px; max-height: 300px;
  transition: border-color .2s, box-shadow .2s;
}
.bsf-composer-area:focus {
  outline: none; border-color: var(--s-accent);
  box-shadow: 0 0 0 3px rgba(30,112,184,.12);
}
[data-theme="dark"] .bsf-composer-area:focus {
  box-shadow: 0 0 0 3px rgba(77,158,208,.16);
}
.bsf-composer-meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 14px; flex-wrap: wrap; gap: 8px;
}
.bsf-composer-meta select {
  border: 1.5px solid var(--s-border); border-radius: var(--s-r-sm);
  padding: 7px 12px; font: 13px Inter,sans-serif;
  background: var(--s-bg1); color: var(--s-text); cursor: pointer;
  transition: border-color .2s;
}
.bsf-composer-meta select:focus { outline: none; border-color: var(--s-accent); }

.bsf-sbtn-primary {
  background: var(--s-accent); color: #fff; border: none;
  border-radius: var(--s-r-sm); padding: 9px 22px;
  font: 600 13px Inter,sans-serif; cursor: pointer;
  transition: background .2s, transform .1s, box-shadow .2s;
  box-shadow: 0 4px 14px rgba(30,112,184,.28);
}
.bsf-sbtn-primary:hover {
  background: var(--s-accent2);
  box-shadow: 0 6px 20px rgba(30,112,184,.36);
  transform: translateY(-1px);
}
.bsf-sbtn-primary:active { transform: translateY(0); }
.bsf-sbtn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
[data-theme="dark"] .bsf-sbtn-primary { box-shadow: 0 4px 14px rgba(77,158,208,.28); }

.bsf-sbtn-ghost {
  background: none; border: 1.5px solid var(--s-border); border-radius: var(--s-r-sm);
  padding: 8px 18px; font: 500 13px Inter,sans-serif; cursor: pointer;
  color: var(--s-text); transition: background .15s, border-color .15s;
}
.bsf-sbtn-ghost:hover { background: var(--s-hover); border-color: var(--s-stroke); }

.bsf-composer-title {
  width: 100%; border: 1.5px solid var(--s-border); border-radius: var(--s-r-sm);
  padding: 9px 14px; font: 500 14px Inter,sans-serif;
  background: var(--s-bg1); color: var(--s-text); margin-bottom: 10px;
  transition: border-color .2s;
}
.bsf-composer-title:focus { outline: none; border-color: var(--s-accent); }

/* ── Post card ───────────────────────────────────────────────────────── */
.bsf-post-card { padding: 18px 20px; border-bottom: 1px solid var(--s-border); }
.bsf-post-card:last-child { border-bottom: none; }
.bsf-post-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 12px; }
.bsf-post-author { display: flex; gap: 11px; align-items: center; }
.bsf-post-author strong { font-size: 14px; font-weight: 700; display: block; color: var(--s-text2); }
.bsf-post-meta { font-size: 11px; color: var(--s-muted); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.bsf-post-header-right { display: flex; gap: 6px; align-items: center; }

.bsf-post-cat {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .6px;
  color: var(--cat-color, var(--s-accent));
  border: 1px solid color-mix(in srgb, var(--cat-color, var(--s-accent)) 40%, transparent);
  background: color-mix(in srgb, var(--cat-color, var(--s-accent)) 8%, transparent);
  border-radius: 999px; padding: 3px 10px;
}
.bsf-post-cat i { width: 10px; height: 10px; }

.bsf-post-title { font-size: 16px; font-weight: 700; margin-bottom: 7px; color: var(--s-text2); line-height: 1.35; }
.bsf-post-body { font-size: 14px; line-height: 1.65; color: var(--s-text); white-space: pre-line; word-break: break-word; }
.bsf-link { color: var(--s-accent); text-decoration: underline; text-underline-offset: 2px; }
.bsf-hashtag { color: var(--s-accent); font-weight: 600; }
.bsf-mention { color: #8b5cf6; font-weight: 600; }

/* ── Reactions ───────────────────────────────────────────────────────── */
.bsf-post-footer { margin-top: 14px; border-top: 1px solid var(--s-border); padding-top: 12px; }
.bsf-react-bar { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 10px; }
.bsf-react-btn {
  background: none; border: 1.5px solid var(--s-border); border-radius: 999px;
  padding: 4px 11px; font-size: 13px; cursor: pointer; color: var(--s-muted);
  display: inline-flex; align-items: center; gap: 5px;
  transition: all .15s; font-family: Inter, sans-serif;
}
.bsf-react-btn:hover {
  background: var(--s-hover); border-color: var(--s-accent);
  color: var(--s-accent); transform: scale(1.04);
}
.bsf-react-btn.active {
  background: rgba(30,112,184,.1); border-color: var(--s-accent);
  color: var(--s-accent); font-weight: 700;
}
[data-theme="dark"] .bsf-react-btn.active { background: rgba(77,158,208,.16); }
.bsf-react-btn small { font-size: 11px; font-weight: 700; }

.bsf-post-actions { display: flex; gap: 4px; flex-wrap: wrap; }
.bsf-post-action {
  background: none; border: none; padding: 7px 13px; border-radius: var(--s-r-sm);
  font: 500 13px Inter,sans-serif; cursor: pointer; color: var(--s-muted);
  display: inline-flex; align-items: center; gap: 6px;
  transition: background .15s, color .15s;
}
.bsf-post-action:hover { background: var(--s-hover); color: var(--s-text); }
.bsf-post-action i { width: 15px; height: 15px; }
.bsf-post-action small { font-size: 11px; }

/* ── Icon buttons ────────────────────────────────────────────────────── */
.bsf-icon-btn-sm {
  background: none; border: none; border-radius: var(--s-r-xs);
  width: 33px; height: 33px; display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--s-muted); transition: background .15s, color .15s;
}
.bsf-icon-btn-sm:hover { background: var(--s-hover); color: var(--s-text); }
.bsf-icon-btn-sm i { width: 16px; height: 16px; }

/* ── Comments zone ───────────────────────────────────────────────────── */
.bsf-comments-zone { padding: 12px 0 0; border-top: 1px solid var(--s-border); margin-top: 10px; }
.bsf-comment { display: flex; gap: 9px; margin-bottom: 10px; }
.bsf-comment-body {
  flex: 1; background: var(--s-bg1); border-radius: var(--s-r-sm);
  padding: 9px 14px; font-size: 13px; line-height: 1.55;
}
.bsf-comment-body strong { font-size: 12px; font-weight: 700; display: block; margin-bottom: 3px; color: var(--s-text2); }
.bsf-comment-input-row { display: flex; gap: 8px; align-items: center; }
.bsf-comment-input {
  flex: 1; border: 1.5px solid var(--s-border); border-radius: 999px;
  padding: 9px 16px; font: 13px Inter,sans-serif;
  background: var(--s-bg1); color: var(--s-text);
  transition: border-color .2s;
}
.bsf-comment-input:focus { outline: none; border-color: var(--s-accent); }

/* ── Feed filter tabs ────────────────────────────────────────────────── */
.bsf-feed-tabs {
  display: flex; flex-wrap: wrap; gap: 6px 8px; padding: 14px 18px;
  border-bottom: 1px solid var(--s-border);
}
.bsf-tab {
  flex-shrink: 0; background: none; border: 1.5px solid var(--s-border);
  border-radius: 999px; padding: 5px 15px;
  font: 500 12px Inter,sans-serif; cursor: pointer; color: var(--s-muted);
  transition: all .15s; white-space: nowrap;
}
.bsf-tab:hover { background: var(--s-hover); border-color: var(--s-stroke); color: var(--s-text); }
.bsf-tab.active {
  background: var(--s-accent); color: #fff; border-color: var(--s-accent);
  box-shadow: 0 4px 12px rgba(30,112,184,.28);
}
[data-theme="dark"] .bsf-tab.active { box-shadow: 0 4px 12px rgba(77,158,208,.28); }

/* ── Right column widgets ────────────────────────────────────────────── */
.bsf-widget { padding: 18px; }
.bsf-widget h3 {
  font-size: 13px; font-weight: 700; margin-bottom: 14px;
  color: var(--s-brand); text-transform: uppercase; letter-spacing: .7px;
}
[data-theme="dark"] .bsf-widget h3 { color: var(--s-accent); }

.bsf-trending-tag {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 0; font-size: 13px; border-bottom: 1px solid var(--s-border);
}
.bsf-trending-tag:last-child { border-bottom: none; }
.bsf-trending-tag a { color: var(--s-accent); font-weight: 600; }
.bsf-trending-tag a:hover { text-decoration: underline; }
.bsf-trending-tag small { color: var(--s-muted); font-size: 11px; }

.bsf-video-wrap { border-radius: 12px; overflow: hidden; background: #000; }
.bsf-widget-video {
  display: block; width: 100%; height: auto; max-height: 440px; object-fit: cover;
}

/* ── People suggestions ──────────────────────────────────────────────── */
.bsf-people-item { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--s-border); }
.bsf-people-item:last-child { border-bottom: none; }
.bsf-people-item strong { font-size: 13px; font-weight: 600; display: block; color: var(--s-text2); }
.bsf-people-item small { color: var(--s-muted); font-size: 11px; }
.bsf-connect-btn {
  margin-left: auto; background: none; border: 1.5px solid var(--s-accent);
  border-radius: 999px; padding: 4px 13px;
  font: 600 11px Inter,sans-serif; cursor: pointer; color: var(--s-accent);
  white-space: nowrap; transition: all .15s; flex-shrink: 0;
}
.bsf-connect-btn:hover { background: var(--s-accent); color: #fff; transform: scale(1.04); }

/* ── BSF Ecosystem links widget ──────────────────────────────────────── */
.bsf-eco-links { display: flex; flex-direction: column; gap: 6px; }
.bsf-eco-link {
  display: flex; align-items: center; gap: 9px; padding: 8px 10px;
  border-radius: var(--s-r-sm); font-size: 13px; font-weight: 500; color: var(--s-text);
  transition: background .15s, color .15s;
}
.bsf-eco-link:hover { background: var(--s-hover); color: var(--s-accent); }
.bsf-eco-link i { width: 16px; height: 16px; color: var(--s-accent); }

/* ── Feed loading spinner ────────────────────────────────────────────── */
.bsf-spinner {
  display: flex; justify-content: center; padding: 28px;
  color: var(--s-muted); font-size: 13px; gap: 8px; align-items: center;
}
.bsf-spinner::before {
  content: ''; width: 20px; height: 20px;
  border: 2.5px solid var(--s-border);
  border-top-color: var(--s-accent); border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast ───────────────────────────────────────────────────────────── */
#bsf-toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--s-brand); color: #fff; padding: 11px 22px;
  border-radius: var(--s-r-sm); font: 500 13px Inter,sans-serif;
  transition: transform .3s cubic-bezier(.34,1.56,.64,1); z-index: 9999;
  pointer-events: none; white-space: nowrap;
  box-shadow: var(--s-shadow-sm);
}
[data-theme="dark"] #bsf-toast { background: var(--s-accent); }
#bsf-toast.show { transform: translateX(-50%) translateY(0); }

/* ── Network page ────────────────────────────────────────────────────── */
.bsf-connections-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr));
  gap: 16px; padding: 18px;
}
.bsf-connection-card { padding: 22px 16px; text-align: center; }
.bsf-connection-card .bsf-avatar { margin: 0 auto 12px; width: 58px; height: 58px; font-size: 22px; box-shadow: var(--s-shadow-sm); }
.bsf-connection-card strong { font-size: 14px; font-weight: 700; display: block; color: var(--s-text2); }
.bsf-connection-card small { color: var(--s-muted); font-size: 11px; }
.bsf-connection-card .bsf-connect-btn { margin: 12px auto 0; display: block; width: fit-content; }

/* ── Groups ──────────────────────────────────────────────────────────── */
.bsf-groups-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 18px; padding: 18px;
}
.bsf-group-card { padding: 18px; }
.bsf-group-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 5px; color: var(--s-text2); }
.bsf-group-card p { font-size: 12px; color: var(--s-muted); margin-bottom: 14px; line-height: 1.5; }
.bsf-group-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
  color: var(--s-accent);
  background: rgba(30,112,184,.1); border: 1px solid rgba(30,112,184,.2);
  border-radius: 999px; padding: 3px 10px; margin-bottom: 10px;
}
[data-theme="dark"] .bsf-group-badge { background: rgba(77,158,208,.14); border-color: rgba(77,158,208,.25); }
.bsf-group-meta { font-size: 12px; color: var(--s-muted); margin-bottom: 12px; }

/* ── Messages layout ─────────────────────────────────────────────────── */
.bsf-msg-layout {
  display: grid; grid-template-columns: 300px 1fr;
  height: calc(100vh - var(--topbar-h) - 56px);
}
@media (max-width: 800px) { 
  .bsf-msg-layout { grid-template-columns: 1fr; height: auto; min-height: 80vh; } 
  .bsf-msg-list { max-height: 250px; border-right: none; border-bottom: 2px solid var(--s-border); }
  .bsf-msg-thread { min-height: 60vh; }
}
.bsf-msg-list { border-right: 1px solid var(--s-border); overflow-y: auto; }
.bsf-msg-thread { flex: 1; display: flex; flex-direction: column; }
.bsf-msg-conversation {
  display: flex; align-items: center; gap: 11px; padding: 13px 16px;
  border-bottom: 1px solid var(--s-border); cursor: pointer;
  transition: background .15s;
}
.bsf-msg-conversation:hover, .bsf-msg-conversation.active { background: var(--s-hover); }
.bsf-msg-conversation strong { font-size: 13px; font-weight: 600; display: block; color: var(--s-text2); }
.bsf-msg-conversation small { color: var(--s-muted); font-size: 11px; }
.bsf-msg-body {
  flex: 1; overflow-y: auto; padding: 18px;
  display: flex; flex-direction: column; gap: 10px;
  background: var(--s-bg);
}
.bsf-msg-bubble {
  max-width: 70%; padding: 11px 16px; border-radius: var(--s-r-lg);
  font-size: 14px; line-height: 1.55; word-break: break-word;
}
.bsf-msg-bubble.mine {
  background: var(--s-accent); color: #fff; align-self: flex-end;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 12px rgba(30,112,184,.28);
}
[data-theme="dark"] .bsf-msg-bubble.mine { box-shadow: 0 4px 12px rgba(77,158,208,.28); }
.bsf-msg-bubble.theirs {
  background: var(--s-card); align-self: flex-start; border-bottom-left-radius: 4px;
  border: 1px solid var(--s-border); box-shadow: var(--s-shadow-xs);
}
.bsf-msg-input-row {
  display: flex; gap: 8px; padding: 14px; border-top: 1px solid var(--s-border);
  background: var(--s-card);
}
.bsf-msg-input {
  flex: 1; border: 1.5px solid var(--s-border); border-radius: 999px;
  padding: 10px 18px; font: 14px Inter,sans-serif;
  background: var(--s-bg1); color: var(--s-text); transition: border-color .2s;
}
.bsf-msg-input:focus { outline: none; border-color: var(--s-accent); }

/* ── Search ──────────────────────────────────────────────────────────── */
.bsf-search-bar { display: flex; gap: 12px; align-items: center; padding: 18px; }
.bsf-search-bar input {
  flex: 1; border: 1.5px solid var(--s-border); border-radius: 999px;
  padding: 11px 20px; font: 14px Inter,sans-serif;
  background: var(--s-bg1); color: var(--s-text);
  transition: border-color .2s, box-shadow .2s;
}
.bsf-search-bar input:focus {
  outline: none; border-color: var(--s-accent);
  box-shadow: 0 0 0 3px rgba(30,112,184,.12);
}
.bsf-search-tabs { display: flex; gap: 8px; padding: 0 18px 14px; border-bottom: 1px solid var(--s-border); }

/* ── Section header ──────────────────────────────────────────────────── */
.bsf-page-header {
  padding: 20px 22px; border-bottom: 1px solid var(--s-border);
  display: flex; align-items: center; justify-content: space-between;
}
.bsf-page-header h2 { font-size: 18px; font-weight: 800; color: var(--s-text2); }

/* ── Column stack ────────────────────────────────────────────────────── */
.bsf-col-stack { display: flex; flex-direction: column; gap: 18px; }

/* ── Danger btn ──────────────────────────────────────────────────────── */
.bsf-menu-item.danger { color: #e74c3c !important; }

/* ── Sticky sidebar ──────────────────────────────────────────────────── */
.bsf-left-col { align-self: start; position: sticky; top: var(--topbar-h); display: flex; flex-direction: column; gap: 18px; }
.bsf-right-col { align-self: start; position: sticky; top: var(--topbar-h); }
.bsf-sticky-inner { position: sticky; top: var(--topbar-h); }

/* ── Form fields consistent style ────────────────────────────────────── */
input[type="text"], input[type="email"], textarea, select {
  font-family: Inter, sans-serif;
}

/* ── Scrollbar (webkit) ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--s-stroke); border-radius: 999px; }

/* ── Phase 2: Read receipts ──────────────────────────────── */
.bsf-tick { font-size: 11px; margin-left: 4px; }
.bsf-tick-sent { color: var(--s-muted); }
.bsf-tick-read { color: #3b82f6; }

/* ── Phase 2: Online indicator ───────────────────────────── */
.bsf-online-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  margin-left: 6px;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px var(--s-bg);
}

/* ── Phase 2: Pinned posts ───────────────────────────────── */
.bsf-pinned-section { border-left: 3px solid #f97316; }
.bsf-pinned-section .bsf-post-card { background: rgba(249,115,22,.03); }

/* ── Phase 2: @mention ───────────────────────────────────── */
.bsf-mention {
  color: var(--s-accent);
  font-weight: 600;
  cursor: pointer;
}
.bsf-mention:hover { text-decoration: underline; }
.bsf-mention-item:hover { background: var(--s-bg-hover); }

/* ── Phase 2: Typing indicator ───────────────────────────── */
#typing-indicator {
  padding: 6px 16px;
  font-size: 12px;
  color: var(--s-muted);
  font-style: italic;
  min-height: 24px;
}
::-webkit-scrollbar-thumb:hover { background: var(--s-accent); }

/* ════════════════════════════════════════════════════════════════════════
   Phase 3 — Marketplace, Jobs, Analytics
   ════════════════════════════════════════════════════════════════════════ */

/* ── Marketplace layout ──────────────────────────────────────────────── */
.bsf-market-layout {
  display: grid;
  grid-template-columns: minmax(0,1fr) 300px;
  gap: 20px;
  width: 100%;
  max-width: var(--s-page-max);
  margin: 0 auto;
  padding: 16px var(--s-page-pad) 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .bsf-market-layout { grid-template-columns: minmax(0,1fr); }
  .bsf-market-right { display: none; }
}

/* ── Product card grid ───────────────────────────────────────────────── */
.bsf-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
@media (max-width: 600px) {
  .bsf-product-grid { grid-template-columns: 1fr; gap: 10px; }
}

.bsf-product-card {
  background: var(--s-card);
  border: 1px solid var(--s-border);
  border-radius: var(--s-r-md);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.bsf-product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--s-shadow-sm);
}
.bsf-product-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  background: linear-gradient(135deg, var(--s-bg1), var(--s-bg));
  position: relative;
}
.bsf-product-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .3s;
}
.bsf-product-card:hover .bsf-product-thumb img { transform: scale(1.05); }
.bsf-product-body { padding: 12px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.bsf-product-name {
  font-size: 13px; font-weight: 600; color: var(--s-text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.bsf-product-shop {
  font-size: 11px; color: var(--s-muted);
  display: flex; align-items: center; gap: 4px;
}
.bsf-product-price {
  font-size: 15px; font-weight: 700; color: var(--s-accent);
  display: flex; align-items: baseline; gap: 6px;
}
.bsf-product-price-compare {
  font-size: 12px; color: var(--s-muted); text-decoration: line-through;
}
.bsf-product-stars { font-size: 11px; color: #f59e0b; }
.bsf-product-actions {
  padding: 8px 12px 12px;
  display: flex; gap: 6px;
}
.bsf-product-actions .bsf-btn-sm {
  flex: 1; padding: 7px 10px; font-size: 12px;
  border-radius: var(--s-r-sm); border: none; cursor: pointer;
  font-weight: 600; transition: background .15s;
}
.bsf-btn-primary-sm {
  background: var(--s-accent); color: #fff;
}
.bsf-btn-primary-sm:hover { background: var(--s-accent2); }
.bsf-btn-ghost-sm {
  background: var(--s-bg1); color: var(--s-text); border: 1px solid var(--s-border) !important;
}
.bsf-btn-ghost-sm:hover { background: var(--s-hover); }

/* ── Category pills ──────────────────────────────────────────────────── */
.bsf-cat-pills {
  display: flex; gap: 8px; overflow-x: auto; padding: 16px 0 4px;
  scrollbar-width: none;
}
.bsf-cat-pills::-webkit-scrollbar { display: none; }
.bsf-cat-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 999px; white-space: nowrap;
  background: var(--s-bg1); border: 1px solid var(--s-border);
  font-size: 13px; font-weight: 500; color: var(--s-text);
  cursor: pointer; transition: background .15s, border-color .15s;
  text-decoration: none;
}
.bsf-cat-pill:hover, .bsf-cat-pill.active {
  background: var(--s-accent); border-color: var(--s-accent); color: #fff;
}
.bsf-cat-pill .bsf-count {
  background: rgba(255,255,255,.2); border-radius: 999px;
  padding: 1px 6px; font-size: 11px; font-weight: 700;
}
.bsf-cat-pill:not(.active) .bsf-count {
  background: var(--s-border); color: var(--s-muted);
}

/* ── Shop card ───────────────────────────────────────────────────────── */
.bsf-shop-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px;
}
.bsf-shop-card {
  background: var(--s-card); border: 1px solid var(--s-border);
  border-radius: var(--s-r-md); overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  text-decoration: none; color: inherit; display: block;
}
.bsf-shop-card:hover { box-shadow: var(--s-shadow-sm); transform: translateY(-2px); }
.bsf-shop-card-banner {
  height: 70px; background: linear-gradient(135deg, var(--s-accent), #0C304C);
  position: relative;
}
.bsf-shop-card-logo {
  position: absolute; bottom: -18px; left: 14px;
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--s-card); border: 2px solid var(--s-card);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 16px; color: var(--s-accent);
  box-shadow: var(--s-shadow-xs);
}
.bsf-shop-card-body { padding: 24px 14px 14px; }
.bsf-shop-card-name { font-weight: 700; font-size: 14px; }
.bsf-shop-card-tag { font-size: 12px; color: var(--s-muted); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bsf-verified-badge { color: var(--s-accent); font-size: 11px; font-weight: 700; }

/* ── Shop detail header ──────────────────────────────────────────────── */
.bsf-shop-banner {
  height: 220px; position: relative; background: linear-gradient(135deg, #0C304C, var(--s-accent));
  overflow: hidden; border-radius: var(--s-r-lg) var(--s-r-lg) 0 0;
}
.bsf-shop-banner img { width: 100%; height: 100%; object-fit: cover; }
.bsf-shop-logo-wrap {
  position: absolute; bottom: -30px; left: 28px;
  width: 72px; height: 72px; border-radius: 18px;
  background: var(--s-card); border: 3px solid var(--s-card);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 900; color: var(--s-accent);
  box-shadow: var(--s-shadow);
}

/* ── Rating stars ────────────────────────────────────────────────────── */
.bsf-stars { color: #f59e0b; font-size: 13px; letter-spacing: 1px; }
.bsf-stars-sm { color: #f59e0b; font-size: 11px; }

/* ── Rating bars (reviews distribution) ─────────────────────────────── */
.bsf-rating-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 12px; }
.bsf-rating-bar-track { flex: 1; height: 8px; background: var(--s-bg1); border-radius: 999px; overflow: hidden; }
.bsf-rating-bar-fill { height: 100%; background: #f59e0b; border-radius: 999px; }

/* ── Badge types ─────────────────────────────────────────────────────── */
.bsf-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.bsf-badge-blue   { background: rgba(30,112,184,.12); color: #1E70B8; }
.bsf-badge-green  { background: rgba(34,197,94,.12);  color: #16a34a; }
.bsf-badge-orange { background: rgba(249,115,22,.12); color: #ea580c; }
.bsf-badge-purple { background: rgba(139,92,246,.12); color: #7c3aed; }
.bsf-badge-red    { background: rgba(239,68,68,.12);  color: #dc2626; }
.bsf-badge-gray   { background: var(--s-bg1);         color: var(--s-muted); }

/* ── KPI stat card ───────────────────────────────────────────────────── */
.bsf-kpi-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
@media (max-width: 900px) { .bsf-kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .bsf-kpi-grid { grid-template-columns: 1fr; } }
.bsf-kpi-card {
  background: var(--s-card); border: 1px solid var(--s-border);
  border-radius: var(--s-r-md); padding: 18px 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.bsf-kpi-label { font-size: 12px; color: var(--s-muted); font-weight: 500; }
.bsf-kpi-value { font-size: 28px; font-weight: 800; color: var(--s-text2); }
.bsf-kpi-icon { color: var(--s-accent); opacity: .8; }

/* ── Tab system (CSS only) ───────────────────────────────────────────── */
.bsf-tabs { display: flex; gap: 0; border-bottom: 2px solid var(--s-border); }
.bsf-tab-btn {
  padding: 12px 18px; font-size: 14px; font-weight: 600;
  color: var(--s-muted); background: none; border: none; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color .15s, border-color .15s;
}
.bsf-tab-btn.active { color: var(--s-accent); border-bottom-color: var(--s-accent); }
.bsf-tab-btn:hover:not(.active) { color: var(--s-text); }
.bsf-tab-panel { display: none; }
.bsf-tab-panel.active { display: block; }

/* ── Jobs board ──────────────────────────────────────────────────────── */
.bsf-job-card {
  background: var(--s-card); border: 1px solid var(--s-border);
  border-radius: var(--s-r-md); padding: 18px 20px;
  transition: box-shadow .2s, border-color .2s;
}
.bsf-job-card:hover { box-shadow: var(--s-shadow-sm); border-color: var(--s-accent); }
.bsf-job-card + .bsf-job-card { margin-top: 12px; }
.bsf-job-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.bsf-job-content {
  font-size: 14px; color: var(--s-text); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.bsf-job-content.expanded { -webkit-line-clamp: unset; }
.bsf-job-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 12px; flex-wrap: wrap; gap: 8px; }
.bsf-apply-btn {
  padding: 8px 20px; background: var(--s-accent); color: #fff;
  border: none; border-radius: var(--s-r-sm); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: background .15s;
}
.bsf-apply-btn:hover { background: var(--s-accent2); }
.bsf-apply-btn:disabled { background: #22c55e; cursor: default; }

/* ── Chart container ─────────────────────────────────────────────────── */
.bsf-chart-wrap {
  background: var(--s-card); border: 1px solid var(--s-border);
  border-radius: var(--s-r-md); padding: 20px 22px;
}
.bsf-chart-title { font-size: 14px; font-weight: 700; color: var(--s-text2); margin-bottom: 16px; }

/* ── Modal ───────────────────────────────────────────────────────────── */
.bsf-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: none; align-items: center; justify-content: center;
  z-index: 9000; padding: 16px;
}
.bsf-modal-overlay.open { display: flex; }
.bsf-modal {
  background: var(--s-card); border-radius: var(--s-r-lg);
  width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--s-shadow); animation: bsfModalIn .2s ease;
}
@keyframes bsfModalIn {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.bsf-modal-header {
  padding: 18px 22px; border-bottom: 1px solid var(--s-border);
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 700; font-size: 16px;
}
.bsf-modal-close {
  width: 30px; height: 30px; border-radius: 50%; border: none;
  background: var(--s-bg1); cursor: pointer; font-size: 18px; color: var(--s-muted);
  display: flex; align-items: center; justify-content: center;
}
.bsf-modal-close:hover { background: var(--s-border); color: var(--s-text); }
.bsf-modal-body { padding: 20px 22px; }
.bsf-modal-footer { padding: 14px 22px; border-top: 1px solid var(--s-border); display: flex; justify-content: flex-end; gap: 10px; }

/* ── Seller dashboard ────────────────────────────────────────────────── */
.bsf-shop-status {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 700;
}
.bsf-shop-status-pending   { background: rgba(245,158,11,.12); color: #d97706; }
.bsf-shop-status-active    { background: rgba(34,197,94,.12);  color: #16a34a; }
.bsf-shop-status-suspended { background: rgba(239,68,68,.12);  color: #dc2626; }

/* ── Product detail (product.php) ────────────────────────────────────── */
.bsf-product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 24px;
}
@media (max-width: 720px) { .bsf-product-detail-grid { grid-template-columns: 1fr; gap: 20px; } }
.bsf-product-gallery .bsf-main-img {
  width: 100%; aspect-ratio: 1; object-fit: cover;
  border-radius: var(--s-r-md); border: 1px solid var(--s-border);
}
.bsf-product-thumbs {
  display: flex; gap: 8px; margin-top: 10px; overflow-x: auto;
}
.bsf-product-thumbs img {
  width: 60px; height: 60px; border-radius: 8px; object-fit: cover;
  border: 2px solid transparent; cursor: pointer; flex-shrink: 0;
}
.bsf-product-thumbs img.active { border-color: var(--s-accent); }
.bsf-qty-control {
  display: flex; align-items: center; gap: 0; border: 1px solid var(--s-border);
  border-radius: var(--s-r-sm); overflow: hidden; width: fit-content;
}
.bsf-qty-control button {
  width: 36px; height: 36px; border: none; background: var(--s-bg1);
  cursor: pointer; font-size: 18px; color: var(--s-text); transition: background .15s;
}
.bsf-qty-control button:hover { background: var(--s-hover); }
.bsf-qty-control input {
  width: 50px; height: 36px; border: none; border-left: 1px solid var(--s-border);
  border-right: 1px solid var(--s-border); text-align: center;
  font-size: 14px; font-weight: 600; background: var(--s-card); color: var(--s-text);
}

/* ── Data table ──────────────────────────────────────────────────────── */
.bsf-data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.bsf-data-table th {
  padding: 10px 14px; text-align: left; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; color: var(--s-muted);
  border-bottom: 2px solid var(--s-border);
}
.bsf-data-table td {
  padding: 12px 14px; border-bottom: 1px solid var(--s-border);
  color: var(--s-text); vertical-align: middle;
}
.bsf-data-table tr:last-child td { border-bottom: none; }
.bsf-data-table tr:hover td { background: var(--s-hover); }

/* ── Filter pills (jobs page) ────────────────────────────────────────── */
.bsf-filter-pills {
  display: flex; gap: 8px; flex-wrap: wrap; padding: 16px 0;
}
.bsf-filter-pill {
  padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
  border: 1.5px solid var(--s-border); background: none; cursor: pointer;
  color: var(--s-text); transition: all .15s;
}
.bsf-filter-pill.active {
  background: var(--s-accent); border-color: var(--s-accent); color: #fff;
}
.bsf-filter-pill:hover:not(.active) { background: var(--s-hover); }

/* ── Empty state ─────────────────────────────────────────────────────── */
.bsf-empty-state {
  padding: 48px 24px; text-align: center; color: var(--s-muted);
}
.bsf-empty-state-icon {
  font-size: 48px; margin-bottom: 16px; opacity: .5;
}
.bsf-empty-state h3 { font-size: 18px; font-weight: 700; color: var(--s-text2); margin-bottom: 8px; }
.bsf-empty-state p { font-size: 14px; margin-bottom: 20px; }

/* ── Cart mini-counter ────────────────────────────────────────────────── */
.bsf-cart-badge {
  position: absolute; top: -4px; right: -4px;
  background: #ef4444; color: #fff; font-size: 10px; font-weight: 800;
  width: 18px; height: 18px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}