/* ==========================================================================
   AIRH — Fil d'actualités · HUD plein écran (esthétique Cockpit)
   Les variables du design system sont remappées : les règles .feed__*
   existantes adoptent la palette HUD.
   ========================================================================== */

#fd-hud {
  --bg: #EDF2F5;
  --bg-deep: #E2EAEF;
  --glass: rgba(255,255,255,.74);
  --glass-strong: rgba(255,255,255,.9);
  --line: rgba(22,60,90,.14);
  --line-soft: rgba(22,60,90,.07);
  --ink-1: #14222C;
  --ink-2: #4E6373;
  --ink-3: #8CA0AD;
  --hivis: #F4640A;
  --scan: rgba(10,166,201,.10);
  --panel-shadow: 0 30px 80px rgba(20,50,75,.22);
  --font-display: "Archivo", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --color-bg-primary: var(--glass-strong);
  --color-bg-secondary: var(--glass);
  --color-bg-tertiary: color-mix(in srgb, var(--ink-3) 10%, transparent);
  --color-text-primary: var(--ink-1);
  --color-text-secondary: var(--ink-2);
  --color-text-tertiary: var(--ink-3);
  --color-text-quaternary: var(--ink-3);
  --color-border: var(--line);
  --color-border-light: var(--line-soft);
  --color-primary: var(--hivis);
  --color-accent: var(--hivis);
  --neu-raised: none;
  --neu-raised-lg: none;
  --neu-flat: none;
  --neu-inset-sm: inset 0 0 0 1px var(--line);

  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: radial-gradient(1200px 800px at 30% 20%, var(--bg), var(--bg-deep));
  color: var(--ink-1);
  font-family: var(--font-body);
  font-size: 15px;
}

#fd-hud[data-theme="dark"] {
  --bg: #0A1218;
  --bg-deep: #070D12;
  --glass: rgba(14,24,32,.78);
  --glass-strong: rgba(16,28,38,.92);
  --line: rgba(140,200,235,.22);
  --line-soft: rgba(140,200,235,.09);
  --ink-1: #E8F1F6;
  --ink-2: #93AAB9;
  --ink-3: #54707F;
  --scan: rgba(60,220,255,.07);
  --panel-shadow: 0 30px 80px rgba(0,0,0,.6);
}

#fd-hud *, #fd-hud *::before, #fd-hud *::after { box-sizing: border-box; }
#fd-hud button, #fd-hud select, #fd-hud input, #fd-hud textarea { font-family: inherit; }
#fd-hud button { cursor: pointer; }
#fd-hud :focus-visible { outline: 2px solid var(--hivis); outline-offset: 2px; border-radius: 4px; }

#fd-hud .fd-sweep {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(100deg, transparent 44%, var(--scan) 50%, transparent 56%);
  background-size: 300% 100%;
  animation: fd-sweep 12s linear infinite;
  mix-blend-mode: multiply;
}
#fd-hud[data-theme="dark"] .fd-sweep { mix-blend-mode: screen; }
@keyframes fd-sweep { from { background-position: 120% 0 } to { background-position: -120% 0 } }

/* ---------- BARRE SUPÉRIEURE ---------- */
#fd-hud .fd-header {
  position: relative; z-index: 20; flex: none;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px;
  background: linear-gradient(var(--glass), transparent);
  border-bottom: 1px solid var(--line-soft);
}
#fd-hud .fd-brand { display: flex; align-items: baseline; gap: 10px; }
#fd-hud .fd-rail { width: 34px; height: 8px; position: relative; top: -2px; }
#fd-hud .fd-rail::before, #fd-hud .fd-rail::after {
  content: ""; position: absolute; left: 0; right: 0; height: 2px; background: var(--ink-3);
}
#fd-hud .fd-rail::before { top: 0 } #fd-hud .fd-rail::after { bottom: 0 }
#fd-hud .fd-name {
  font-family: var(--font-display); font-stretch: 125%; font-weight: 800;
  font-size: 18px; letter-spacing: .14em; text-transform: uppercase;
}
#fd-hud .fd-name em { font-style: normal; color: var(--hivis); }
#fd-hud .fd-mode {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .2em; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 12px;
  background: var(--glass); backdrop-filter: blur(10px); white-space: nowrap;
}
#fd-hud .fd-spacer { flex: 1 }
#fd-hud .fd-search {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 8px; padding: 0 11px;
  background: var(--glass); backdrop-filter: blur(10px); color: var(--ink-3);
  transition: border-color .18s;
}
#fd-hud .fd-search:focus-within { border-color: var(--hivis); }
#fd-hud .fd-search input {
  border: none; background: none; outline: none; box-shadow: none; padding: 9px 0;
  font-size: 13px; color: var(--ink-1); width: 200px;
}
#fd-hud .fd-search input::placeholder {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-3);
}
#fd-hud .fd-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 12px; background: var(--glass); backdrop-filter: blur(10px);
  transition: border-color .18s, color .18s, transform .18s;
}
#fd-hud .fd-chip:hover { border-color: var(--hivis); color: var(--ink-1); transform: translateY(-1px); }
#fd-hud .fd-chip--primary { background: var(--hivis); border-color: var(--hivis); color: #fff; }
#fd-hud .fd-chip--primary:hover { color: #fff; filter: brightness(1.07); }
#fd-hud .fd-clock { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-3); letter-spacing: .08em; }
#fd-hud .fd-icon-btn {
  width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--glass); backdrop-filter: blur(10px); color: var(--ink-2);
  display: grid; place-items: center; font-size: 14px;
  transition: border-color .18s, color .18s, transform .18s;
}
#fd-hud .fd-icon-btn:hover { border-color: var(--hivis); color: var(--ink-1); transform: translateY(-1px); }

/* ---------- CORPS : une seule colonne centrée qui défile librement ---------- */
#fd-hud .fd-body {
  position: relative; z-index: 10; flex: 1; min-height: 0;
  overflow-y: auto; overflow-x: hidden; scrollbar-width: thin;
  padding: 18px 20px 28px;
}
#fd-hud .fd-col {
  width: 100%; max-width: 780px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 14px;
}
#fd-hud .fd-card {
  flex: 0 0 auto;
  background: var(--glass); backdrop-filter: blur(14px);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  animation: fd-drop .6s ease both;
}
@keyframes fd-drop { from { opacity: 0; transform: translateY(-10px) } to { opacity: 1; transform: none } }
#fd-hud .fd-card-head {
  padding: 10px 14px; border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .22em; color: var(--ink-3);
  display: flex; align-items: center; gap: 8px; text-transform: uppercase;
}
#fd-hud .fd-card-head i { width: 6px; height: 6px; border-radius: 50%; background: var(--hivis); animation: fd-blink 2s infinite; flex: none; }
@keyframes fd-blink { 50% { opacity: .25 } }

/* composeur */
#fd-hud .fd-compose-card { animation-delay: 0s; }
#fd-hud .fd-compose { padding: 14px; }
#fd-hud .fd-compose-top { display: flex; align-items: center; gap: 11px; }
#fd-hud .fd-avatar {
  width: 38px; height: 38px; border-radius: 50%; flex: none; display: grid; place-items: center;
  border: 1px solid var(--hivis); color: var(--hivis);
  background: color-mix(in srgb, var(--hivis) 12%, transparent);
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
}
#fd-hud .fd-compose-btn {
  flex: 1; text-align: left; padding: 10px 13px; border-radius: 99px;
  border: 1px solid var(--line); background: var(--glass-strong); color: var(--ink-3);
  font-size: 12.5px; transition: border-color .15s, color .15s;
}
#fd-hud .fd-compose-btn:hover { border-color: var(--hivis); color: var(--ink-1); }
#fd-hud .fd-compose-acts { display: flex; gap: 6px; margin-top: 11px; }
#fd-hud .fd-compose-act {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 6px; border-radius: 8px; border: 1px solid var(--line);
  background: transparent; color: var(--ink-2);
  font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase;
  transition: border-color .15s, color .15s, transform .15s;
}
#fd-hud .fd-compose-act:hover { border-color: var(--ac, var(--hivis)); color: var(--ink-1); transform: translateY(-1px); }
#fd-hud .fd-compose-act svg { color: var(--ac, var(--hivis)); }

/* KPI + filtres */
/* barre de filtres horizontale, au-dessus du fil */
#fd-hud .fd-filters { display: flex; flex-wrap: wrap; gap: 7px; }
#fd-hud .fd-filter {
  display: inline-flex; align-items: center; gap: 8px; width: auto;
  padding: 7px 13px; border-radius: 99px; border: 1px solid var(--line);
  background: var(--glass); backdrop-filter: blur(10px); color: var(--ink-2);
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase;
  transition: background .15s, border-color .15s, color .15s, transform .15s;
}
#fd-hud .fd-filter:hover { transform: translateY(-1px); }
#fd-hud .fd-filter .sw { width: 8px; height: 8px; border-radius: 50%; background: var(--fc, var(--ink-3)); flex: none; }
#fd-hud .fd-filter .n { margin-left: auto; font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-3); }
#fd-hud .fd-filter:hover { background: var(--line-soft); color: var(--ink-1); }
#fd-hud .fd-filter.is-active {
  border-color: color-mix(in srgb, var(--fc, var(--hivis)) 55%, transparent);
  background: color-mix(in srgb, var(--fc, var(--hivis)) 12%, transparent);
  color: var(--ink-1); font-weight: 600;
}

/* ---------- FIL : les cartes vivent à même la page, sans panneau ---------- */
#fd-hud .fd-strip {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .16em;
  text-transform: uppercase; color: var(--ink-3);
}
#fd-hud .fd-strip b { color: var(--ink-1); font-weight: 700; }
#fd-hud .fd-strip .fd-spacer { flex: 1 }

#fd-hud .feed__articles {
  width: 100%; min-width: 0;
  display: flex; flex-direction: column; flex-wrap: nowrap;
  align-items: stretch; gap: 14px;
  max-width: none; margin: 0; padding: 0; overflow: visible;
}

/* ---------- CARTE ARTICLE ---------- */
#fd-hud .feed__card {
  flex: 0 0 auto; position: relative;
  background: var(--glass-strong); backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: 12px;
  box-shadow: none; overflow: hidden; margin: 0;
  transition: transform .15s, border-color .15s, box-shadow .15s;
  animation: fd-in .45s ease both;
}
@keyframes fd-in { from { opacity: 0; transform: translateY(8px) } to { opacity: 1; transform: none } }
#fd-hud .feed__card:hover {
  transform: translateY(-2px); border-color: var(--hivis);
  box-shadow: 0 16px 34px rgba(20,50,75,.14);
}
#fd-hud .feed__card--pinned { border-color: color-mix(in srgb, var(--hivis) 55%, transparent); }
#fd-hud .feed__card--pinned::before {
  content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--hivis);
}

#fd-hud .feed__card-author-bar {
  display: flex; align-items: center; gap: 11px; flex-wrap: wrap;
  padding: 13px 15px 11px; border-bottom: 1px solid var(--line-soft); background: none;
}
#fd-hud .feed__card-author-avatar {
  width: 36px; height: 36px; border-radius: 50%; flex: none;
  display: grid; place-items: center; color: #fff;
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  box-shadow: 0 3px 10px rgba(20,50,75,.2);
}
#fd-hud .feed__card-author-info { flex: 1; min-width: 0; }
#fd-hud .feed__card-author-name { font-weight: 700; font-size: 13px; color: var(--ink-1); }
#fd-hud .feed__card-author-sub {
  display: flex; align-items: center; gap: 7px; margin-top: 3px;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-3);
}
#fd-hud .feed__card-pin-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--hivis); }
#fd-hud .feed__card-pin-label { color: var(--hivis); }
#fd-hud .feed__card-cat-pill {
  display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: 5px;
  color: #fff; font-family: var(--font-mono); font-size: 8.5px;
  letter-spacing: .12em; text-transform: uppercase; font-weight: 600;
}
#fd-hud .feed__card-menu { position: relative; }
#fd-hud .feed__card-menu-btn {
  width: 30px; height: 30px; border-radius: 7px; border: 1px solid transparent;
  background: none; color: var(--ink-3); display: grid; place-items: center;
  transition: border-color .15s, color .15s;
}
#fd-hud .feed__card-menu-btn:hover { border-color: var(--line); color: var(--ink-1); }
#fd-hud .feed__card-dropdown {
  position: absolute; right: 0; top: 34px; z-index: 20; display: none;
  min-width: 170px; padding: 5px;
  background: var(--glass-strong); backdrop-filter: blur(16px);
  border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 16px 40px rgba(20,50,75,.22);
}
#fd-hud .feed__card-dropdown.is-open { display: block; }
#fd-hud .feed__card-dropdown-item {
  display: flex; align-items: center; gap: 9px; width: 100%; text-align: left;
  padding: 9px 11px; border-radius: 7px; border: none; background: none;
  color: var(--ink-2); font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: .12em; text-transform: uppercase; transition: background .15s, color .15s;
}
#fd-hud .feed__card-dropdown-item:hover { background: var(--line-soft); color: var(--ink-1); }
#fd-hud .feed__card-dropdown-item--danger { color: #ef4444; }
#fd-hud .feed__card-dropdown-item--danger:hover { background: color-mix(in srgb, #ef4444 12%, transparent); color: #ef4444; }

#fd-hud .feed__card-text { padding: 13px 15px; }
#fd-hud .feed__card-title {
  font-family: var(--font-display); font-stretch: 125%; font-weight: 800;
  font-size: 17px; line-height: 1.25; color: var(--ink-1); margin: 0 0 7px;
}
#fd-hud .feed__card-body-text { font-size: 13.5px; line-height: 1.62; color: var(--ink-2); }
#fd-hud .feed__card-body-text strong { color: var(--ink-1); }
#fd-hud .feed__list-item { display: block; padding-left: 15px; position: relative; }
#fd-hud .feed__list-item::before { content: "▸"; position: absolute; left: 0; color: var(--hivis); }
#fd-hud .feed__card-see-more {
  margin-top: 7px; border: none; background: none; padding: 0; color: var(--hivis);
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
}

#fd-hud .feed__media { margin: 0 15px 13px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); position: relative; cursor: zoom-in; }
#fd-hud .feed__media img { display: block; width: 100%; max-height: 420px; object-fit: cover; }
#fd-hud .feed__media--video { cursor: pointer; }
#fd-hud .feed__media-zoom {
  position: absolute; right: 10px; bottom: 10px; width: 30px; height: 30px;
  border-radius: 7px; display: grid; place-items: center;
  background: rgba(10,20,28,.55); color: #fff; backdrop-filter: blur(6px);
}
#fd-hud .feed__video-thumb { position: relative; }
#fd-hud .feed__video-play { position: absolute; inset: 0; display: grid; place-items: center; }
#fd-hud .feed__video-iframe { width: 100%; aspect-ratio: 16/9; border: none; display: block; }

/* réactions & commentaires */
#fd-hud .feed__reactions { padding: 0 15px 12px; }
#fd-hud .feed__reactions-bar {
  display: flex; gap: 8px; padding-top: 11px; border-top: 1px solid var(--line-soft);
}
#fd-hud .feed__react-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px; border-radius: 8px; border: 1px solid var(--line);
  background: transparent; color: var(--ink-2);
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase;
  transition: border-color .15s, color .15s, background .15s, transform .15s;
}
#fd-hud .feed__react-btn:hover { border-color: var(--hivis); color: var(--ink-1); transform: translateY(-1px); }
#fd-hud .feed__react-btn--active {
  border-color: var(--hivis); color: var(--hivis);
  background: color-mix(in srgb, var(--hivis) 12%, transparent);
}
#fd-hud .feed__comments-section {
  padding: 12px 15px 14px; border-top: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--ink-3) 5%, transparent);
}
#fd-hud .feed__comment { display: flex; gap: 9px; margin-bottom: 9px; }
#fd-hud .feed__comment-avatar, #fd-hud .feed__comment-compose-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex: none; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--glass-strong); color: var(--ink-2);
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
}
#fd-hud .feed__comment-bubble {
  flex: 1; min-width: 0; padding: 9px 12px; border-radius: 10px;
  background: var(--glass-strong); border: 1px solid var(--line-soft);
}
#fd-hud .feed__comment-bubble-header { display: flex; align-items: center; gap: 8px; }
#fd-hud .feed__comment-name { font-weight: 700; font-size: 12px; color: var(--ink-1); }
#fd-hud .feed__comment-del {
  margin-left: auto; border: none; background: none; color: var(--ink-3);
  padding: 2px; border-radius: 5px; line-height: 0;
}
#fd-hud .feed__comment-del:hover { color: #ef4444; }
#fd-hud .feed__comment-bubble-text { font-size: 12.5px; color: var(--ink-2); margin: 4px 0 0; line-height: 1.5; }
#fd-hud .feed__comment-time {
  display: block; margin-top: 5px;
  font-family: var(--font-mono); font-size: 8.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-3);
}
#fd-hud .feed__comments-empty, #fd-hud .feed__comments-loading {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-3); padding: 8px 0 12px;
}
#fd-hud .feed__comment-compose { display: flex; gap: 9px; align-items: center; margin-top: 10px; }
#fd-hud .feed__comment-compose-input-wrap {
  flex: 1; display: flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); border-radius: 99px; padding: 0 6px 0 13px;
  background: var(--glass-strong); transition: border-color .15s;
}
#fd-hud .feed__comment-compose-input-wrap:focus-within { border-color: var(--hivis); }
#fd-hud .feed__comment-compose-input {
  flex: 1; border: none; background: none; outline: none; box-shadow: none;
  padding: 9px 0; font-size: 12.5px; color: var(--ink-1);
}
#fd-hud .feed__comment-compose-send {
  width: 30px; height: 30px; border-radius: 50%; border: none; flex: none;
  display: grid; place-items: center; background: var(--hivis); color: #fff;
  transition: filter .15s, transform .15s;
}
#fd-hud .feed__comment-compose-send:hover { filter: brightness(1.08); transform: scale(1.05); }

#fd-hud .feed__empty, #fd-hud .fd-empty {
  margin: auto; padding: 60px 20px; text-align: center; color: var(--ink-3);
  background: none; border: none; box-shadow: none;
}
#fd-hud .feed__empty h3 {
  font-family: var(--font-display); font-stretch: 125%; font-weight: 800;
  font-size: 16px; color: var(--ink-2); margin: 12px 0 6px;
}
#fd-hud .feed__empty p, #fd-hud .fd-empty {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase;
}
#fd-hud .feed__load-more {
  flex: none; margin: 0; width: 100%; padding: 12px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  border: 1px solid var(--line); background: transparent; color: var(--ink-2);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
  transition: border-color .15s, color .15s;
}
#fd-hud .feed__load-more:hover { border-color: var(--hivis); color: var(--ink-1); }
#fd-hud .skeleton-block { background: var(--line-soft); border-radius: 8px; }

/* ---------- BANDEAU BAS ---------- */
#fd-hud .fd-foot {
  flex: none; position: relative; z-index: 20;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 20px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .16em;
  color: var(--ink-3); text-transform: uppercase;
}
#fd-hud .fd-foot .dot { width: 6px; height: 6px; border-radius: 50%; background: #22c55e; display: inline-block; margin-right: 7px; }
#fd-hud .fd-foot .sep { opacity: .35 }

/* visionneuse (montée sur body) */
.feed-lightbox { background: rgba(10, 20, 28, .82) !important; backdrop-filter: blur(10px); }

/* ---------- RESPONSIVE ---------- */

@media (max-width: 720px) {
  #fd-hud .fd-header { padding: 10px 12px; gap: 8px; }
  #fd-hud .fd-body { padding: 10px 12px 0; }
  #fd-hud .fd-name { font-size: 15px }
  #fd-hud .fd-search input { width: 120px }
}