/* -------- BASE PAGE LAYOUT -------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.0rem;
  margin: 0;
  padding: 0;
}

.page {
  width: 975px;
  margin: 50px auto;
}

a, a:visited, a:active {
  color: rgb(16, 131, 254);
  text-decoration: none;
}

.empty { padding: 12px; color:#666; font-size: .95rem; }


/* -------- PROFILE CARD -------- */
#profile { 
  max-width: 775px;
  margin: 40px auto 45px;  /* center */
  padding: 0 20px;         /* small gutters */
  display: grid;
  grid-template-columns: 150px 1fr;
  grid-template-rows: auto auto;
  grid-template-areas:
    "avatar topline"
    "avatar rest";
  column-gap: 40px;
  align-items: start;
}

.profile-header-row { display: contents; }

.profile-avatar { 
  grid-area: avatar;
  width: 150px; height: 150px;
  border-radius: 50%;
  object-fit: cover;
  align-self: center; 
  justify-self: start;
}

.profile-topline { 
  grid-area: topline;
  display: flex; flex-direction: row; align-items: center; gap: 12px; /* handle + follow inline */
}

.profile-rest { 
  grid-area: rest;
  display: flex; flex-direction: column; gap: 6px; margin-top: 6px;
}

.profile-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.profile-handle {
  font-size: 20px;
  font-weight: 400;
}

.profile-handle a, 
.profile-handle a:visited, 
.profile-handle a:active { 
  color: black; 
}

.profile-counts {
  display: flex;
  gap: 32px;
  font-size: 1.05rem;
  padding: 18px 0px;
  color: gray;
}

.profile-counts a,
.profile-counts a:active,
.profile-counts a:visited {
  color: inherit;
}

.profile-counts a:hover * { color: #aaa !important;}

.count-num { color: black; font-weight: 700; margin-right: 2px; }
.count-label { color: gray; }

.profile-desc {
  white-space: pre-line;   /* preserves line breaks */
  font-size: 1.0rem;
  color: #222;
  line-height: 1.2rem;
}

.follow-button,
.follow-button:active,
.follow-button:visited {
  color: white !important;
  background-color: royalblue;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 10px;
  border: 1px solid lightgray;
  margin-left: 35px;
}

.follow-button:hover { background-color: rgb(23, 72, 219); }


/* -------- POST GRID -------- */
.post {
  border: none;
  padding: 0px;
  margin: 0px;
  cursor: pointer;
}

.single-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  margin: 0px;
}

.single-photo img,
.single-photo video {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.cardbox {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}

.post {
  box-sizing: border-box;
  transition: transform 0.2s;
}

.multi-icon,
.video-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  color: white;
  font-size: 1rem;
  padding: 2px 4px;
  border-radius: 4px;
  z-index: 3;
  pointer-events: none;
}

.multi-icon svg, 
.video-icon svg {
  color: white;
  width: 20px;
  height: 20px;
}

.post:hover .multi-icon,
.post:hover .video-icon {
  opacity: 0.4;
}

.hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.overlay-meta {
  display: none; 
  gap: 30px;
  font-size: 1.1rem;
  color: white;
  font-weight: 600;
  z-index: 2;
}

.post:hover .overlay-meta {
  display: flex;
}

.counts { display:inline-flex; gap:14px; }

.count {
  display: inline-flex;
  align-items: center;   
  gap: 0.25rem;
  line-height: 1;      
}

.count svg {
  display: block;
  width: 24px;
  height: 24px;
}

.overlay-meta .count { color: white; }
.meta-bar .count { color: #222; }

.like { padding-right: 10px; }

.reply { padding-left: 10px; }

.meta-bar {
  display: none;
  padding: 6px 6px 8px;
  gap: 12px;
  font-size: 0.95rem;
  color: #222;
}

.post:hover .hover-overlay {
  background: rgba(0, 0, 0, 0.8);
}

/* -------- TOUCH-ONLY INTERFACE -------- */
@media (hover: none) {
  .hover-overlay { display: none; }
  .post { cursor: auto; }

  .meta-bar {
    display: flex;
    align-items: center;
    justify-content: flex-start; 
    gap: 14px;
    padding: 8px 4px 10px;   
    font-size: 1rem;
  }

  .cardbox {
    -ms-overflow-style: none;  
    scrollbar-width: none;     
  }
  .cardbox::-webkit-scrollbar {
    display: none;             
  }
}

/* -------- INTERMEDIATE/TABLET RESPONSIVE LAYOUT -------- */
@media (max-width: 975px) {
  .page { width: 98%; margin: 0 auto 40px auto; }
}

/* -------- MOBILE RESPONSIVE LAYOUT -------- */
@media (max-width: 600px) {
  .page {
    margin-top: 20px;
  }

  #profile {
    display: block;
    max-width: none;
    margin: 20px 0 40px;
    padding: 0;
  }

  .profile-header-row {
    display: flex;            
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 0 12px;
  }

  .profile-avatar {
    width: 120px;
    height: 120px;
  }

  .profile-topline {
    display: flex; flex-direction: column; align-items: flex-start; gap: 8px; 
  }

  
  .profile-rest { margin-top: 12px; padding: 0 12px; }

  .profile-counts {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px; padding: 0; margin: 0; text-align: center;
  }

  .count-num { display: block; }

  .profile-name {
    font-size: 1.3rem;
    margin-top: 25px;
  }

  .profile-handle { font-size: 20px; }

  .follow-button,
  .follow-button:active,
  .follow-button:visited {
    margin-left: 0px;
    width: 100%;
    max-width: 140px;   /* keep it tidy */
    text-align: center;
  }

  .profile-counts a { padding: 6px 0; }

  .profile-desc { line-height: 1.35rem; }

  .cardbox {
    display: flex;  
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 4px;  
    padding-bottom: 1rem;
  }

  .post {
    flex: 0 0 80%;
    max-width: 80%;
    scroll-snap-align: center;
  }
}