/* ═══════════════════════════════════════════════════════════════════
   Connections — Microsoft Fluent Design overlay
   Modern, calm, accessible, boomer-friendly.
   Additive only — works over existing connections.html structure.
   Last updated: 2026-04-26
   ═══════════════════════════════════════════════════════════════════ */

/* ─── Tokens (Fluent palette) ─────────────────────────────────────── */
:root {
  --ms-blue:        #0078D4;
  --ms-blue-hover:  #106EBE;
  --ms-blue-press:  #005A9E;
  --ms-blue-soft:   rgba(0, 120, 212, 0.10);
  --ms-blue-border: rgba(0, 120, 212, 0.30);
  --ms-bg:          #FAFAFA;
  --ms-surface:     #FFFFFF;
  --ms-surface-2:   #F5F5F5;
  --ms-surface-3:   #EBEBEB;
  --ms-stroke:      #E0E0E0;
  --ms-stroke-soft: #EDEDED;
  --ms-text:        #242424;
  --ms-text-2:      #616161;
  --ms-text-3:      #8E8E8E;
  --ms-shadow-2:    0 2px 4px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --ms-shadow-4:    0 4px 8px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.06);
  --ms-shadow-8:    0 8px 16px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.04);
  --ms-radius-sm:   4px;
  --ms-radius-md:   8px;
  --ms-radius-lg:   12px;
  --ms-radius-pill: 9999px;
  --ms-success:     #107C10;
  --ms-warning:     #C19C00;
  --ms-error:       #D13438;
}

/* ─── Page background — layered acrylic feel ─────────────────────── */
body:has(.conn-layout) {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0,120,212,0.06), transparent),
    radial-gradient(900px 500px at -10% 30%, rgba(0,120,212,0.04), transparent),
    var(--ms-bg);
}

/* ─── HERO area ───────────────────────────────────────────────────── */
.article-header:has(~ * .conn-layout),
.main--wide .article-header {
  padding: 56px 0 32px;
}
.article-header:has(.conn-orbs) .article-header__title,
.main--wide h1.article-header__title {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
  font-size: clamp(36px, 5vw, 52px) !important;
  font-weight: 600 !important;     /* Fluent uses semibold for hero, not heavy */
  letter-spacing: -0.02em !important;
  color: var(--ms-text) !important;
  line-height: 1.15 !important;
  margin-bottom: 12px !important;
}
.article-header__subtitle {
  font-size: 17px !important;
  color: var(--ms-text-2) !important;
  line-height: 1.55 !important;
  font-weight: 400 !important;
  max-width: 640px !important;
}

/* Orbs softened — calm not flashy */
.conn-orbs__item {
  filter: blur(60px) !important;
  opacity: 0.25 !important;
}
.conn-orbs__item--a { background: var(--ms-blue) !important; }
.conn-orbs__item--b { background: #00B294 !important; }   /* Fluent teal */
.conn-orbs__item--c { background: #5C2D91 !important; }   /* Fluent purple */

/* ─── Pills (rules summary) ──────────────────────────────────────── */
.conn-meta {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin-top: 18px !important;
}
.conn-pill {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 6px 14px !important;
  background: var(--ms-surface-2) !important;
  border: 1px solid var(--ms-stroke) !important;
  border-radius: var(--ms-radius-pill) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--ms-text) !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}
.conn-pill::before {
  content: "" !important;
  width: 6px !important; height: 6px !important;
  border-radius: 50% !important;
  background: var(--ms-blue) !important;
}

/* ─── Stats cards ─────────────────────────────────────────────────── */
.conn-stats {
  margin-top: 32px !important;
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 16px !important;
}
.conn-stat,
.conn-stats__card {
  background: var(--ms-surface) !important;
  border: 1px solid var(--ms-stroke) !important;
  border-radius: var(--ms-radius-lg) !important;
  padding: 24px !important;
  box-shadow: var(--ms-shadow-2) !important;
  transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
}
.conn-stat:hover {
  border-color: var(--ms-blue-border) !important;
  box-shadow: var(--ms-shadow-4) !important;
}
.conn-stat__num {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
  font-size: 36px !important;
  font-weight: 600 !important;
  line-height: 1 !important;
  color: var(--ms-text) !important;
  letter-spacing: -0.02em !important;
}
.conn-stat__label {
  font-size: 13px !important;
  color: var(--ms-text-2) !important;
  font-weight: 400 !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}
.conn-stat__pulse {
  display: inline-block !important;
  width: 8px !important; height: 8px !important;
  border-radius: 50% !important;
  background: var(--ms-success) !important;
  margin-right: 6px !important;
  animation: msPulse 1.6s ease-in-out infinite !important;
  vertical-align: middle !important;
}
@keyframes msPulse {
  0%, 100% { opacity: 0.6; transform: scale(0.9); }
  50%      { opacity: 1; transform: scale(1.1); }
}

/* ─── 2-column layout ─────────────────────────────────────────────── */
.conn-layout {
  display: grid !important;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr) !important;
  gap: 28px !important;
  margin-top: 28px !important;
  align-items: start !important;
}
@media (max-width: 900px) {
  .conn-layout { grid-template-columns: 1fr !important; gap: 20px !important; }
}

/* ─── Left panel (login / profile / post) ─────────────────────────── */
.conn-panel {
  background: var(--ms-surface) !important;
  border: 1px solid var(--ms-stroke) !important;
  border-radius: var(--ms-radius-lg) !important;
  padding: 24px !important;
  box-shadow: var(--ms-shadow-2) !important;
  position: sticky !important;
  top: 88px !important;
}
@media (max-width: 900px) {
  .conn-panel { position: static !important; }
}

.conn-status {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 6px 12px !important;
  background: var(--ms-blue-soft) !important;
  color: var(--ms-blue) !important;
  border-radius: var(--ms-radius-pill) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  margin-bottom: 18px !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}
.conn-status::before {
  content: "" !important;
  width: 6px !important; height: 6px !important;
  border-radius: 50% !important;
  background: currentColor !important;
}

/* ─── Tabs (Login / Register) ─────────────────────────────────────── */
.conn-tabs {
  display: flex !important;
  background: var(--ms-surface-2) !important;
  border-radius: var(--ms-radius-md) !important;
  padding: 4px !important;
  margin-bottom: 18px !important;
  gap: 2px !important;
}
.conn-tab {
  flex: 1 !important;
  padding: 10px 14px !important;
  background: transparent !important;
  border: none !important;
  border-radius: 6px !important;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  color: var(--ms-text-2) !important;
  cursor: pointer !important;
  transition: background .15s ease, color .15s ease !important;
  letter-spacing: 0 !important;
}
.conn-tab:hover { background: rgba(0,0,0,0.04) !important; color: var(--ms-text) !important; }
.conn-tab--active {
  background: var(--ms-surface) !important;
  color: var(--ms-blue) !important;
  font-weight: 600 !important;
  box-shadow: var(--ms-shadow-2) !important;
}

/* ─── Form fields ─────────────────────────────────────────────────── */
.conn-form {
  display: flex !important;
  flex-direction: column !important;
  gap: 14px !important;
}
.conn-form label,
.conn-form .conn-label {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--ms-text) !important;
  margin-bottom: 4px !important;
  display: block !important;
}
.conn-form input[type="text"],
.conn-form input[type="email"],
.conn-form input[type="password"],
.conn-form input,
.conn-form textarea,
.conn-input {
  width: 100% !important;
  padding: 11px 14px !important;
  background: var(--ms-surface) !important;
  border: 1px solid var(--ms-stroke) !important;
  border-bottom: 1.5px solid var(--ms-text-3) !important;  /* Fluent emphasized bottom border */
  border-radius: var(--ms-radius-sm) !important;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
  font-size: 15px !important;
  color: var(--ms-text) !important;
  transition: border-color .15s ease, background .15s ease !important;
  box-sizing: border-box !important;
  min-height: 44px !important;     /* boomer-friendly tap target */
}
.conn-form input:hover,
.conn-form textarea:hover,
.conn-input:hover { border-color: var(--ms-text-2) !important; background: var(--ms-surface) !important; }
.conn-form input:focus,
.conn-form textarea:focus,
.conn-input:focus {
  outline: none !important;
  border-color: var(--ms-stroke) !important;
  border-bottom-color: var(--ms-blue) !important;
  border-bottom-width: 2px !important;
  padding-bottom: 10px !important;    /* compensate for thicker border */
}
.conn-form textarea,
.conn-input--textarea { min-height: 96px !important; resize: vertical !important; }

/* ─── Buttons (Fluent: solid primary, outlined secondary) ────────── */
.conn-btn,
.conn-form button[type="submit"],
.conn-submit {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 0 20px !important;
  min-height: 44px !important;
  background: var(--ms-blue) !important;
  color: #ffffff !important;
  border: 1px solid var(--ms-blue) !important;
  border-radius: var(--ms-radius-sm) !important;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  cursor: pointer !important;
  transition: background .15s ease, border-color .15s ease, transform .1s ease !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  text-decoration: none !important;
}
.conn-btn:hover,
.conn-submit:hover { background: var(--ms-blue-hover) !important; border-color: var(--ms-blue-hover) !important; }
.conn-btn:active,
.conn-submit:active { background: var(--ms-blue-press) !important; transform: scale(0.99) !important; }
.conn-btn--secondary,
.conn-btn[data-variant="secondary"] {
  background: var(--ms-surface) !important;
  color: var(--ms-text) !important;
  border-color: var(--ms-stroke) !important;
  border-bottom: 1.5px solid var(--ms-text-3) !important;
}
.conn-btn--secondary:hover { background: var(--ms-surface-2) !important; border-color: var(--ms-text-2) !important; }
.conn-btn--ghost {
  background: transparent !important;
  color: var(--ms-blue) !important;
  border-color: transparent !important;
}
.conn-btn--ghost:hover { background: var(--ms-blue-soft) !important; }
.conn-btn--full { width: 100% !important; }

/* ─── Profile mini-card ───────────────────────────────────────────── */
.conn-me {
  background: linear-gradient(135deg, var(--ms-blue-soft), transparent) !important;
  border: 1px solid var(--ms-blue-border) !important;
  border-radius: var(--ms-radius-md) !important;
  padding: 16px !important;
  margin-bottom: 16px !important;
}
.conn-me__name {
  font-size: 16px !important;
  font-weight: 600 !important;
  color: var(--ms-text) !important;
  margin-bottom: 4px !important;
}
.conn-me__handle {
  font-size: 13px !important;
  color: var(--ms-text-2) !important;
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif !important;
}

/* ─── Right panel (feed) ──────────────────────────────────────────── */
.conn-feed {
  display: flex !important;
  flex-direction: column !important;
  gap: 16px !important;
}
.conn-feed-card,
.conn-post,
.conn-feed > article {
  background: var(--ms-surface) !important;
  border: 1px solid var(--ms-stroke) !important;
  border-radius: var(--ms-radius-lg) !important;
  padding: 20px !important;
  box-shadow: var(--ms-shadow-2) !important;
  transition: box-shadow .2s ease, border-color .2s ease, transform .15s ease !important;
}
.conn-feed-card:hover,
.conn-post:hover,
.conn-feed > article:hover {
  border-color: var(--ms-blue-border) !important;
  box-shadow: var(--ms-shadow-4) !important;
}
.conn-feed-card__head,
.conn-post__head {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  margin-bottom: 10px !important;
}
.conn-feed-card__avatar,
.conn-post__avatar {
  width: 40px !important; height: 40px !important;
  border-radius: 50% !important;
  background: linear-gradient(135deg, var(--ms-blue), #5C2D91) !important;
  color: #fff !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-weight: 600 !important;
  font-size: 15px !important;
  flex: 0 0 40px !important;
}
.conn-feed-card__name,
.conn-post__name { font-weight: 600 !important; color: var(--ms-text) !important; font-size: 14px !important; }
.conn-feed-card__handle,
.conn-post__handle { color: var(--ms-text-2) !important; font-size: 13px !important; }
.conn-feed-card__time,
.conn-post__time {
  margin-left: auto !important;
  color: var(--ms-text-3) !important;
  font-size: 12px !important;
}
.conn-feed-card__body,
.conn-post__body {
  font-size: 15px !important;
  line-height: 1.6 !important;
  color: var(--ms-text) !important;
  word-wrap: break-word !important;
}

/* Featured ribbon */
.conn-feed-card--featured,
.conn-post--featured {
  border-left: 3px solid var(--ms-blue) !important;
  background: linear-gradient(90deg, var(--ms-blue-soft) 0%, var(--ms-surface) 50%) !important;
}

/* Empty / loading */
.conn-empty,
.conn-loading {
  background: var(--ms-surface) !important;
  border: 1px dashed var(--ms-stroke) !important;
  border-radius: var(--ms-radius-lg) !important;
  padding: 48px 24px !important;
  text-align: center !important;
  color: var(--ms-text-2) !important;
  font-size: 15px !important;
}
.conn-empty__title {
  font-size: 18px !important;
  font-weight: 600 !important;
  color: var(--ms-text) !important;
  margin-bottom: 8px !important;
}

/* ─── Errors / hints (accessible color contrast) ─────────────────── */
.conn-hint, .conn-error, .conn-success {
  display: flex !important;
  align-items: flex-start !important;
  gap: 8px !important;
  padding: 10px 14px !important;
  border-radius: var(--ms-radius-sm) !important;
  font-size: 13px !important;
  line-height: 1.5 !important;
  border-left: 3px solid !important;
}
.conn-hint    { background: var(--ms-blue-soft);   color: var(--ms-text);  border-color: var(--ms-blue);    }
.conn-error   { background: rgba(209,52,56,0.08);  color: var(--ms-text);  border-color: var(--ms-error);   }
.conn-success { background: rgba(16,124,16,0.08);  color: var(--ms-text);  border-color: var(--ms-success); }

/* ─── Boomer-friendly: bigger hit areas + clear focus rings ────── */
.conn-tab:focus-visible,
.conn-btn:focus-visible,
.conn-form input:focus-visible,
.conn-form textarea:focus-visible {
  outline: 2px solid var(--ms-blue) !important;
  outline-offset: 2px !important;
}

/* ─── Mobile polish ───────────────────────────────────────────────── */
@media (max-width: 720px) {
  .article-header { padding: 32px 16px 16px !important; }
  .conn-stats { grid-template-columns: 1fr !important; gap: 10px !important; }
  .conn-stat { padding: 18px !important; }
  .conn-stat__num { font-size: 28px !important; }
  .conn-panel { padding: 18px !important; }
  .conn-tab { padding: 12px !important; font-size: 13px !important; }
  .conn-feed-card, .conn-post { padding: 16px !important; }
  .conn-feed-card__avatar, .conn-post__avatar { width: 36px !important; height: 36px !important; flex: 0 0 36px !important; }
  .conn-meta { gap: 6px !important; }
  .conn-pill { padding: 5px 10px !important; font-size: 12px !important; }
  .conn-form input, .conn-form textarea, .conn-input {
    font-size: 16px !important;     /* iOS won't zoom on focus */
  }
}

/* ─── Reduced motion ──────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .conn-stat__pulse { animation: none !important; }
  .conn-stat, .conn-feed-card, .conn-post, .conn-btn, .conn-tab,
  .conn-form input, .conn-form textarea { transition: none !important; }
}