/* ═══════════════════════════════════════════
   ARZU v8 — Feed-first design
   Dark theme (default) · Light mode commented out
   ═══════════════════════════════════════════ */

:root{
  --bg:#0a0a0c;
  --surface:#141418;
  --surface-hover:#1c1c22;
  --card:#18181e;
  --card-border:#25252e;
  --accent:#e85d4a;
  --accent-soft:rgba(232,93,74,.12);
  --heart:#e8364a;
  --heart-soft:rgba(232,54,74,.12);
  --text:#eeeef0;
  --text-mid:#c0c0cc;
  --text-dim:#888892;
  --green:#3ddc84;
  --blue:#5b9cf6;
  --purple:#b07aff;
  --orange:#f0a050;
  --overlay:rgba(6,6,8,.92);
  --radius:14px;
  --content-width:680px;
  --header-height:0px;
  --textColorDark:#444444;

  /* ─── mobile defaults (applies to all screens, then desktop overrides) ─── */
  --font-title:20px;
  --font-body:20px;
  --font-author:20px;
  --font-handle:20px;
  --font-engage:16px;
  --logo-height:22px;
  --icon-topbar:28px;
  --icon-engage:30px;
  --avatar-size:40px;
}

/* ─── desktop (screens 768px and wider) ─── */
@media (min-width: 768px) {
  :root{
    --font-title:20px;
    --font-body:16px;
    --font-author:16px;
    --font-handle:13px;
    --font-engage:14px;
    --logo-height:22px;
    --icon-topbar:24px;
    --icon-engage:24px;
    --avatar-size:36px;
  }
}

/* ─── large desktop (screens 1200px and wider) ─── */
@media (min-width: 1200px) {
  :root{
    --content-width:900px;
  }
}

/* ─── Reset ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html {
  overflow-y: scroll;
  overflow-anchor: none;
  scroll-behavior: auto !important;
}

body{
  color:var(--text);
  line-height:1.5;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -webkit-overflow-scrolling: touch;
}

body,
#pane-home {background: var(--bg);}

.feed-layer,.card-child-feed {
background: transparent; /* ensures only the central content has its own card background */
}


::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--card-border);border-radius:3px}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
img{display:block}
a{color:inherit;text-decoration:none}


/* ═══ ANIMATIONS ═══ */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
@keyframes overlayIn{from{opacity:0}to{opacity:1}}
@keyframes pulseLike{0%{transform:scale(1)}40%{transform:scale(1.35)}100%{transform:scale(1)}}
@keyframes dotPulse{0%,80%,100%{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}
@keyframes heartBurst{0%{transform:scale(1)}15%{transform:scale(1.3)}30%{transform:scale(.95)}45%{transform:scale(1.1)}60%{transform:scale(1)}}

.fade-in{animation:fadeIn .35s ease both}
.slide-up{animation:slideUp .3s cubic-bezier(.16,1,.3,1) both}
.overlay-enter{animation:overlayIn .2s ease both}
.pulse-like{animation:pulseLike .4s ease}
.heart-burst{animation:heartBurst .45s cubic-bezier(.17,.89,.32,1.28)}


/* ═══ PANE SYSTEM ═══ */
.pane{
  display:none;
  width:100%;
  min-height:100vh;
}
.pane.pane-active{
  display:block;
}
.pane-iframe{
  width:100%;
  height:calc(100vh - var(--header-height));
  border:none;
  margin-top:var(--header-height);
}


/* ═══ HEADER / TOPBAR ═══ */
.topbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  background:transparent !important;
  backdrop-filter:none !important;
  -webkit-backdrop-filter:none !important;
  border-bottom:none !important;
  box-shadow:none !important;
  height:52px;
  pointer-events:none;
}
.topbar *{pointer-events:auto}
.topbar.hidden{transform:translateY(-100%)}
.topbar.video-playing{opacity:0;pointer-events:none !important}
.topbar.video-playing *{pointer-events:none !important}
.topbar.header-faded{opacity:0;pointer-events:none !important;transition:opacity 2s ease}
.topbar.header-faded *{pointer-events:none !important}
.topbar:not(.header-faded){transition:opacity 0.05s ease}

.topbar-inner{
  max-width:var(--content-width);
  margin:0 auto;
  padding:0 12px;
  height:100%;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
}

.topbar-left{
  display:flex;
  align-items:center;
  justify-self:start;
}

.topbar .btn-icon{
  background:none;border:none;
  padding:8px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s;
}
.topbar .btn-icon:hover{background:rgba(255,255,255,.1)}
.topbar .btn-icon:active{background:rgba(255,255,255,.15)}
.topbar .btn-icon svg{stroke:#fff !important;fill:none !important;width:var(--icon-topbar);height:var(--icon-topbar)}
.topbar svg{stroke:#fff !important}

.topbar-back{
  opacity:0;
  pointer-events:none;
  transition:opacity .2s;
}
.topbar-back.visible{
  opacity:1;
  pointer-events:auto;
}

.arzu-logo{
  cursor:pointer;
  display:flex;align-items:center;
  justify-self:center;
}
.arzu-logo img{height:var(--logo-height) !important}
.arzu-logo svg path{fill:#fff !important}

.topbar-actions{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
  justify-self:end;
}

/* ─── Right Menu ─── */
.right-menu{float:right;text-align:right}
.right-menu .btn-icon svg{stroke:#fff}
.nested-categories{list-style:none}
.right-nested-category{position:relative;padding:4px}
.right-nested-menu{
  display:none;
  position:absolute;right:0;top:100%;
  background:#f8f8f8;
  border:1px solid #ddd;
  border-radius:8px;
  min-width:200px;
  box-shadow:0 8px 32px rgba(0,0,0,.3);
  z-index:200;
  list-style:none;
  padding:4px 0;
}
.right-nested-category:hover .right-nested-menu{display:block}
.right-nested-menu li{
  padding:8px 14px;
  cursor:pointer;
  font-size:13px;
  color:#333;
  white-space:nowrap;
  transition:background .15s;
}
.right-nested-menu li:hover{background:#eee}
.right-nested-subcategory{position:relative}
.right-nested-submenu{
  display:none;
  position:absolute;right:100%;top:0;
  background:#f8f8f8;
  border:1px solid #ddd;
  border-radius:8px;
  min-width:180px;
  box-shadow:0 8px 32px rgba(0,0,0,.3);
  z-index:201;
  list-style:none;
  padding:4px 0;
}
.right-nested-subcategory:hover .right-nested-submenu{display:block}


/* ═══ FEED ═══ */
#pane-home{
  padding-top:var(--header-height);
}

.feed-layer{
  max-width:var(--content-width);
  margin:0 auto;
  padding:0 0 80px;
  display:flex;
  flex-direction:column;
  gap:2px;
  min-height:200px;
  overflow-anchor:none;
}
.feed-layer.feed-hidden{
  display:none;
}
.feed-layer.feed-has-active-child > .feed-loader{display:none}

.card-child-feed.feed-active{
  max-width:var(--content-width);
  margin:0 auto;
  padding:0 0 80px;
  display:flex;
  flex-direction:column;
  gap:2px;
  min-height:200px;
}

.feed-loader{padding:24px;text-align:center}
.feed-loader .dots{display:inline-flex;gap:8px}
.feed-loader .dots span{
  width:8px;height:8px;border-radius:50%;
  background:var(--text-dim);
  animation:dotPulse 1.2s ease-in-out infinite;
}
.feed-loader .dots span:nth-child(2){animation-delay:.2s}
.feed-loader .dots span:nth-child(3){animation-delay:.4s}
.feed-end{padding:24px;text-align:center;color:var(--text-dim);font-size:13px}


/* ═══ POST / ARTICLE ═══ */
.card{
  background:var(--card);
  border-bottom:1px solid var(--card-border);
  overflow:hidden;
  transition:border-color .2s;
}

.card-banner{position:relative;width:100%;overflow:hidden;background:#000}
.card-banner img{width:100%;display:block;object-fit:contain}
.card-type-badge{
  position:absolute;top:10px;left:10px;
  color:#fff;font-size:10px;font-weight:700;
  padding:3px 8px;border-radius:6px;
  letter-spacing:.6px;text-transform:uppercase;
  backdrop-filter:blur(4px);
}

.card-gallery{position:relative;overflow:hidden;background:#000;line-height:0;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.gallery-track{display:flex;transition:transform .3s ease}
.gallery-track.no-transition{transition:none !important}
.gallery-slide{min-width:100%;width:100%;flex-shrink:0}
.gallery-slide img{width:100%;display:block;-webkit-user-drag:none;user-select:none;pointer-events:none}
.gallery-prev,.gallery-next{
  position:absolute;top:50%;transform:translateY(-50%);
  z-index:4;border:0;
  background:rgba(0,0,0,.45);backdrop-filter:blur(4px);
  color:#fff;border-radius:50%;
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  opacity:0;transition:opacity .25s;
  pointer-events:auto;
}
.card-gallery:hover .gallery-prev,
.card-gallery:hover .gallery-next{opacity:1}
.card-gallery.arrows-visible .gallery-prev,
.card-gallery.arrows-visible .gallery-next{opacity:1}
.gallery-prev{left:8px}
.gallery-next{right:8px}
.gallery-counter{
  position:absolute;top:10px;right:10px;z-index:4;
  background:rgba(0,0,0,.55);
  color:#fff;font:12px/1.2 system-ui,-apple-system,Segoe UI,Roboto,Arial;
  padding:3px 8px;border-radius:10px;
}
.gallery-dots{
  position:absolute;bottom:10px;left:50%;transform:translateX(-50%);
  display:flex;gap:5px;z-index:4;
}
.gallery-dot{
  width:6px;height:6px;border-radius:50%;
  background:rgba(255,255,255,.4);
  transition:all .2s;
}
.gallery-dot.active{
  background:#fff;
  transform:scale(1.3);
}

.card-body{padding:12px 14px}

.card-child-feed{display:none}
.card-child-feed.feed-active{display:block}
.card.card-has-active-child > .card-content{display:none}
.card.card-sibling-hidden{display:none}

.card-author{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.card-author-avatar{
  width:var(--avatar-size);height:var(--avatar-size);border-radius:50%;
  object-fit:cover;flex-shrink:0;
  cursor:pointer;
}
.card-author-info{min-width:0;flex:1}
.card-author-name{
  font-size:var(--font-author);font-weight:600;
  cursor:pointer;
  transition:color .15s;
}
.card-author-name:hover{color:var(--accent)}
.card-author-handle{
  font-size:var(--font-handle);color:var(--text-dim);
  display:flex;align-items:center;gap:0;
}
.card-author-handle .at-link{cursor:pointer;transition:color .15s}
.card-author-handle .at-link:hover{color:var(--text-mid)}

.card-title{
  color:var(--text-mid);
  font-size:var(--font-title);
  line-height:1.35;
  margin:0 0 6px;
  cursor:pointer;
}
.card-title .hashtag-link{
  color:var(--blue);
  cursor:pointer;
  transition:opacity .15s;
}
.card-title .hashtag-link:hover{opacity:.7}

.card-body-text{
  font-size:var(--font-body);
  color:var(--text-mid);
  line-height:1.6;
  cursor:pointer;
  position:relative;
  max-height:3.2em;
  overflow:hidden;
  transition:max-height .4s cubic-bezier(.25,.8,.25,1);
}
.card-body-text.expanded{
  max-height:none;
}
.card-body-text.collapsing{
  overflow:hidden;
}

.card-read-more{
  color:var(--accent);
  font-size:var(--font-body);
  font-weight:600;
  cursor:pointer;
  padding:4px 0;
  transition:color .15s;
}
.card-read-more:hover{color:var(--text)}

.card-body-text.no-overflow{
  max-height:none;
}
.card-body-text.no-overflow::after{
  display:none;
}

.card-engage{
  border-top:1px solid var(--card-border);
  margin-top:8px;
  padding-top:6px;
  display:flex;
  align-items:center;
  background:var(--card);
  z-index:2;
}
.card-engage.sticky{
  position:sticky;
  bottom:0;
  padding:8px 0;
  margin-top:8px;
}
.card-engage .spacer{flex:1}

.card-body-text a {
  color: var(--accent) !important;
  text-decoration: underline !important;
  cursor: pointer;
}
.card-body-text a:hover {
  opacity: 0.8;
}
.engage-btn{
  background:none;border:none;
  display:flex;align-items:center;gap:6px;
  padding:6px 10px;
  border-radius:8px;
  transition:background .15s;
}
.engage-btn:hover{background:var(--surface-hover)}
.engage-btn svg{
  width:var(--icon-engage);height:var(--icon-engage);
  stroke:#EEEEEE !important;
  stroke-width:1.5;
  fill:none !important;
}
.engage-btn span{font-size:var(--font-engage);color:#EEEEEE;font-weight:500}

.engage-btn.heart-btn svg{
  transition:transform .15s, fill .15s, stroke .15s;
}
.engage-btn.heart-btn.liked svg{
  fill:var(--heart) !important;
  stroke:var(--heart) !important;
}
.engage-btn.heart-btn.liked span{
  color:var(--heart);
}

/* ═══ RESPONSIVE ═══ */
@media(max-width:600px){
  .topbar-inner{padding:0 8px}
  .card-body{padding:10px 12px}
  .card-title{font-size:var(--font-title)}
  .gallery-prev,.gallery-next{width:30px;height:30px}
  .share-options{grid-template-columns:repeat(3,1fr);gap:8px}
}