/* ===================================================================
   GRIMEX — estilo global (visual tipo Instagram)
=================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Grand+Hotel&family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --text: #262626;
  --text-soft: #8e8e8e;
  --border: #dbdbdb;
  --blue: #0095f6;
  --blue-dark: #1877f2;
  --red: #ed4956;
  --gray-btn: #efefef;
  --story1: #f9ce34;
  --story2: #ee2a7b;
  --story3: #6228d7;
  --radius: 12px;
  --maxw: 470px;
  --nav-h: 50px;
  --header-h: 54px;
  font-size: 16px;
}

*{box-sizing:border-box; -webkit-tap-highlight-color: transparent;}
html,body{
  margin:0; padding:0; height:100%;
  background: var(--bg-soft);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a{ text-decoration:none; color:inherit; }
button{ font-family:inherit; }
ul{ list-style:none; margin:0; padding:0; }
img{ -webkit-user-drag:none; user-select:none; }

/* ---------- App shell (mobile frame) ---------- */
.app{
  max-width: var(--maxw);
  margin: 0 auto;
  background: var(--bg);
  min-height: 100vh;
  position: relative;
  padding-bottom: calc(var(--nav-h) + 8px);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

/* ---------- Top header ---------- */
.topbar{
  position: sticky; top:0; z-index: 50;
  height: var(--header-h);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 16px;
}
.logo{
  font-family: 'Grand Hotel', cursive;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: .5px;
  background: linear-gradient(45deg,#f9ce34,#ee2a7b 45%,#6228d7 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.topbar-icons{ display:flex; align-items:center; gap:18px; }
.icon-btn{ background:none; border:none; padding:0; cursor:pointer; display:flex; color:var(--text); }
.icon-btn svg{ width:24px; height:24px; }
.title-header{
  font-weight:700; font-size:18px; text-align:center; flex:1;
}
.back-btn svg{ width:22px; height:22px; }

/* ---------- Bottom nav ---------- */
.bottomnav{
  position: fixed; bottom:0; left:50%; transform:translateX(-50%);
  width:100%; max-width: var(--maxw);
  height: var(--nav-h);
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(8px);
  border-top:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-around;
  z-index: 60;
}
.bottomnav a{ display:flex; align-items:center; justify-content:center; width:44px; height:44px; }
.bottomnav svg{ width:26px; height:26px; }
.bottomnav .active svg{ stroke-width:2.4; }
.bottomnav .avatar-nav{
  width:26px; height:26px; border-radius:50%; object-fit:cover; border:1.5px solid transparent;
}
.bottomnav .avatar-nav.active{ border-color: var(--text); }

/* ---------- Stories row ---------- */
.stories{
  display:flex; gap:14px; overflow-x:auto; padding:12px 16px;
  border-bottom:1px solid var(--border);
  scrollbar-width:none;
}
.stories::-webkit-scrollbar{ display:none; }
.story{
  display:flex; flex-direction:column; align-items:center; gap:4px;
  flex-shrink:0; width:66px; cursor:pointer;
}
.story-ring{
  width:62px; height:62px; border-radius:50%;
  background: linear-gradient(45deg,var(--story1),var(--story2) 45%,var(--story3) 90%);
  padding:2.5px; display:flex; align-items:center; justify-content:center;
}
.story-ring.seen{ background: var(--border); }
.story-ring img{
  width:100%; height:100%; border-radius:50%; object-fit:cover; border:2.5px solid #fff;
}
.story-ring.self{ background:var(--border); position:relative; }
.story span{ font-size:12px; color:var(--text); max-width:64px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.plus-badge{
  position:absolute; bottom:-2px; right:-2px; background:var(--blue); color:#fff;
  border-radius:50%; width:18px; height:18px; display:flex; align-items:center; justify-content:center;
  border:2px solid #fff; font-size:14px; line-height:1;
}

/* ---------- Post card ---------- */
.post{ border-bottom: 1px solid var(--border); padding-bottom:6px; margin-bottom:6px; }
.post-head{ display:flex; align-items:center; justify-content:space-between; padding:10px 12px; }
.post-user{ display:flex; align-items:center; gap:10px; }
.post-user img{ width:32px; height:32px; border-radius:50%; object-fit:cover; }
.post-user .uname{ font-size:13.5px; font-weight:600; }
.post-user .loc{ font-size:11.5px; color:var(--text-soft); display:block; }
.post-media{ width:100%; aspect-ratio: 1/1; background:#eee; object-fit:cover; display:block; }
.post-actions{ display:flex; align-items:center; justify-content:space-between; padding:8px 12px 0; }
.post-actions-left{ display:flex; gap:14px; }
.post-actions svg{ width:25px; height:25px; }
.post-actions .liked{ fill: var(--red); stroke: var(--red); }
.post-actions .saved{ fill: var(--text); }
.post-likes{ font-size:13.5px; font-weight:600; padding:6px 12px 0; }
.post-caption{ font-size:13.5px; padding:4px 12px 0; line-height:1.35; }
.post-caption .uname{ font-weight:600; margin-right:5px; }
.post-comments-link{ font-size:13px; color:var(--text-soft); padding:4px 12px 0; display:block; }
.post-time{ font-size:11px; color:var(--text-soft); padding:4px 12px 10px; letter-spacing:.3px; text-transform:uppercase; display:block; }

/* ---------- Buttons ---------- */
.btn{
  border:none; border-radius:8px; padding:7px 16px; font-weight:600; font-size:14px; cursor:pointer;
}
.btn-primary{ background: var(--blue); color:#fff; }
.btn-secondary{ background: var(--gray-btn); color: var(--text); }
.btn-outline{ background:#fff; border:1px solid var(--border); color:var(--text); }
.btn-follow{ background:var(--blue); color:#fff; padding:5px 14px; font-size:13px; border-radius:7px; }
.btn-following{ background:var(--gray-btn); color:var(--text); padding:5px 14px; font-size:13px; border-radius:7px; }
.btn-block{ width:100%; display:block; text-align:center; }

/* ---------- Forms ---------- */
.field{
  width:100%; border:1px solid var(--border); background:var(--bg-soft);
  border-radius:8px; padding:11px 12px; font-size:14px; margin-bottom:8px; color:var(--text);
}
.field:focus{ outline:none; border-color:#a8a8a8; background:#fff; }

/* ---------- Login / Signup ---------- */
.auth-wrap{
  max-width: var(--maxw); margin:0 auto; min-height:100vh; display:flex; flex-direction:column;
  align-items:center; justify-content:center; padding:24px; background:#fff;
  border-left:1px solid var(--border); border-right:1px solid var(--border);
}
.auth-box{ width:100%; max-width:340px; text-align:center; }
.auth-box .logo{ font-size:52px; margin-bottom:28px; display:inline-block; }
.divider{ display:flex; align-items:center; gap:14px; margin:18px 0; color:var(--text-soft); font-size:13px; font-weight:600; }
.divider::before,.divider::after{ content:''; flex:1; height:1px; background:var(--border); }
.fb-login{ color:var(--blue-dark); font-weight:600; font-size:14px; display:flex; align-items:center; justify-content:center; gap:8px; margin-top:6px; cursor:pointer; }
.forgot{ color:var(--blue-dark); font-size:12.5px; margin-top:18px; display:inline-block; }
.auth-footer{ border-top:1px solid var(--border); margin-top:20px; padding-top:20px; font-size:14px; }
.auth-footer a{ color:var(--blue); font-weight:600; }

/* ---------- Explore grid ---------- */
.explore-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:2px; }
.explore-grid .cell{ position:relative; aspect-ratio:1/1; overflow:hidden; background:#eee; }
.explore-grid .cell.big{ grid-row: span 2; grid-column: span 2; }
.explore-grid img{ width:100%; height:100%; object-fit:cover; display:block; }
.explore-grid .multi-badge{ position:absolute; top:6px; right:6px; }
.explore-grid .multi-badge svg{ width:16px; height:16px; fill:#fff; filter:drop-shadow(0 0 2px rgba(0,0,0,.6)); }
.search-bar{ padding:8px 12px; }
.search-input-wrap{ position:relative; }
.search-input-wrap svg{ position:absolute; left:10px; top:50%; transform:translateY(-50%); width:16px; height:16px; color:var(--text-soft); }
.search-input{ width:100%; background:var(--gray-btn); border:none; border-radius:8px; padding:9px 12px 9px 32px; font-size:14px; }

/* ---------- Reels ---------- */
.reels-wrap{ height:100vh; max-width:var(--maxw); margin:0 auto; overflow-y:scroll; scroll-snap-type:y mandatory; background:#000; }
.reel{
  height:100vh; scroll-snap-align:start; position:relative; display:flex; align-items:flex-end;
  background-size:cover; background-position:center; color:#fff;
}
.reel::after{ content:''; position:absolute; inset:0; background:linear-gradient(to top, rgba(0,0,0,.65), rgba(0,0,0,0) 40%); }
.reel-info{ position:relative; z-index:2; padding:18px 60px 90px 14px; width:100%; }
.reel-user{ display:flex; align-items:center; gap:8px; font-weight:600; font-size:14px; margin-bottom:8px; }
.reel-user img{ width:30px; height:30px; border-radius:50%; border:1.5px solid #fff; object-fit:cover; }
.reel-caption{ font-size:13.5px; margin-bottom:6px; line-height:1.35; }
.reel-music{ font-size:12.5px; display:flex; align-items:center; gap:6px; }
.reel-side-actions{
  position:absolute; right:8px; bottom:90px; z-index:2; display:flex; flex-direction:column; align-items:center; gap:20px;
}
.reel-side-actions .item{ display:flex; flex-direction:column; align-items:center; gap:4px; }
.reel-side-actions svg{ width:28px; height:28px; }
.reel-side-actions span{ font-size:12px; font-weight:600; }
.reel-side-actions img.reel-avatar{ width:34px; height:34px; border-radius:8px; border:1.5px solid #fff; object-fit:cover; }

/* ---------- Profile ---------- */
.profile-top{ display:flex; align-items:center; gap:22px; padding:16px; }
.profile-top img{ width:86px; height:86px; border-radius:50%; object-fit:cover; }
.profile-stats{ display:flex; flex:1; justify-content:space-around; text-align:center; }
.profile-stats b{ display:block; font-size:16px; }
.profile-stats span{ font-size:12.5px; color:var(--text-soft); }
.profile-bio{ padding:0 16px; font-size:13.5px; line-height:1.4; }
.profile-bio .name{ font-weight:600; }
.profile-actions{ display:flex; gap:8px; padding:14px 16px; }
.profile-actions .btn{ flex:1; }
.highlights{ display:flex; gap:16px; overflow-x:auto; padding:16px; scrollbar-width:none; }
.highlights::-webkit-scrollbar{ display:none; }
.highlight{ display:flex; flex-direction:column; align-items:center; gap:5px; flex-shrink:0; width:64px; }
.highlight .circle{ width:60px; height:60px; border-radius:50%; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.highlight img{ width:100%; height:100%; object-fit:cover; }
.highlight span{ font-size:11.5px; }
.profile-tabs{ display:flex; border-top:1px solid var(--border); }
.profile-tabs button{ flex:1; padding:12px 0; background:none; border:none; border-top:1.5px solid transparent; color:var(--text-soft); cursor:pointer; }
.profile-tabs button.active{ border-top-color:var(--text); color:var(--text); }
.profile-tabs svg{ width:22px; height:22px; }
.profile-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2px; }
.profile-grid .cell{ aspect-ratio:1/1; overflow:hidden; background:#eee; }
.profile-grid img{ width:100%; height:100%; object-fit:cover; display:block; }

/* ---------- Messages / DM ---------- */
.dm-list-item{ display:flex; align-items:center; gap:12px; padding:10px 16px; cursor:pointer; }
.dm-list-item img{ width:54px; height:54px; border-radius:50%; object-fit:cover; }
.dm-list-item .info{ flex:1; min-width:0; }
.dm-list-item .info .name{ font-size:14px; font-weight:500; }
.dm-list-item .info .preview{ font-size:13px; color:var(--text-soft); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.dm-list-item .preview.unread{ color:var(--text); font-weight:600; }
.dm-list-item .dot{ width:8px; height:8px; border-radius:50%; background:var(--blue); flex-shrink:0; }

.chat-wrap{ display:flex; flex-direction:column; height:100vh; }
.chat-header{ display:flex; align-items:center; gap:10px; padding:8px 12px; border-bottom:1px solid var(--border); }
.chat-header img{ width:34px; height:34px; border-radius:50%; object-fit:cover; }
.chat-header .name{ font-weight:600; font-size:14px; }
.chat-header .status{ font-size:11.5px; color:var(--text-soft); }
.chat-body{ flex:1; overflow-y:auto; padding:14px 12px; display:flex; flex-direction:column; gap:8px; }
.bubble{ max-width:72%; padding:9px 13px; border-radius:20px; font-size:14px; line-height:1.35; }
.bubble.in{ background:var(--gray-btn); align-self:flex-start; border-bottom-left-radius:6px; }
.bubble.out{ background:var(--blue); color:#fff; align-self:flex-end; border-bottom-right-radius:6px; }
.chat-input-bar{ display:flex; align-items:center; gap:8px; padding:10px 12px; border-top:1px solid var(--border); }
.chat-input-bar input{ flex:1; border:1px solid var(--border); border-radius:20px; padding:9px 14px; font-size:14px; }
.chat-input-bar svg{ width:24px; height:24px; }

/* ---------- Notificacoes ---------- */
.notif-section-title{ font-size:15px; font-weight:700; padding:14px 16px 6px; }
.notif-item{ display:flex; align-items:center; gap:12px; padding:8px 16px; }
.notif-item img.avatar{ width:44px; height:44px; border-radius:50%; object-fit:cover; }
.notif-item .txt{ flex:1; font-size:13.5px; line-height:1.35; }
.notif-item .txt b{ font-weight:600; }
.notif-item .time{ color:var(--text-soft); }
.notif-item .thumb{ width:44px; height:44px; object-fit:cover; border-radius:4px; }

/* ---------- Create post ---------- */
.create-preview{ width:100%; aspect-ratio:1/1; object-fit:cover; background:#eee; display:block; }
.create-thumbs{ display:grid; grid-template-columns:repeat(4,1fr); gap:2px; }
.create-thumbs img{ width:100%; aspect-ratio:1/1; object-fit:cover; cursor:pointer; }
.create-row{ display:flex; align-items:center; justify-content:space-between; padding:14px 16px; border-bottom:1px solid var(--border); font-size:14px; }
.create-row svg{ width:20px; height:20px; color:var(--text-soft); }
.caption-input{ width:100%; border:none; resize:none; font-size:14px; padding:14px 16px; min-height:80px; }
.caption-input:focus{ outline:none; }

/* ---------- Story viewer ---------- */
.story-viewer{ position:fixed; inset:0; background:#000; max-width:var(--maxw); margin:0 auto; z-index:200; display:flex; flex-direction:column; }
.story-progress{ display:flex; gap:4px; padding:8px 8px 0; }
.story-progress .bar{ flex:1; height:2px; background:rgba(255,255,255,.35); border-radius:2px; overflow:hidden; }
.story-progress .bar i{ display:block; height:100%; width:0%; background:#fff; }
.story-progress .bar.done i{ width:100%; }
.story-head{ display:flex; align-items:center; justify-content:space-between; padding:10px 12px; }
.story-head .left{ display:flex; align-items:center; gap:8px; }
.story-head img{ width:32px; height:32px; border-radius:50%; object-fit:cover; }
.story-head .uname{ color:#fff; font-size:13.5px; font-weight:600; }
.story-head .time{ color:rgba(255,255,255,.75); font-size:12.5px; }
.story-head svg{ width:22px; height:22px; color:#fff; }
.story-media{ flex:1; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.story-media img{ width:100%; height:100%; object-fit:cover; }
.story-tap{ position:absolute; top:60px; bottom:70px; width:35%; }
.story-tap.left{ left:0; } .story-tap.right{ right:0; }
.story-reply{ display:flex; align-items:center; gap:12px; padding:12px; }
.story-reply input{ flex:1; background:transparent; border:1px solid rgba(255,255,255,.6); border-radius:20px; padding:9px 14px; color:#fff; font-size:14px; }
.story-reply input::placeholder{ color:rgba(255,255,255,.8); }
.story-reply svg{ width:26px; height:26px; color:#fff; }

/* ---------- Misc ---------- */
.section-title{ font-weight:700; font-size:15px; padding:14px 16px 8px; }
.suggest-row{ display:flex; align-items:center; gap:10px; padding:8px 16px; }
.suggest-row img{ width:44px; height:44px; border-radius:50%; object-fit:cover; }
.suggest-row .info{ flex:1; }
.suggest-row .uname{ font-size:13.5px; font-weight:600; }
.suggest-row .sub{ font-size:12px; color:var(--text-soft); }
.empty-state{ display:flex; flex-direction:column; align-items:center; justify-content:center; padding:60px 24px; text-align:center; color:var(--text-soft); gap:10px;}
.empty-state svg{ width:56px; height:56px; }
.empty-state h3{ color:var(--text); margin:6px 0 0; font-size:17px; }
.toast{
  position:fixed; bottom:70px; left:50%; transform:translateX(-50%);
  background:rgba(20,20,20,.92); color:#fff; padding:9px 16px; border-radius:20px; font-size:13.5px;
  z-index:300; opacity:0; pointer-events:none; transition:opacity .25s;
}
.toast.show{ opacity:1; }
.modal-bg{ position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:150; display:flex; align-items:flex-end; }
.modal-sheet{ background:#fff; width:100%; max-width:var(--maxw); margin:0 auto; border-radius:14px 14px 0 0; overflow:hidden; }
.modal-sheet button{ width:100%; text-align:center; padding:15px; border:none; background:#fff; border-bottom:1px solid var(--border); font-size:14.5px; }
.modal-sheet button.danger{ color:var(--red); font-weight:600; }
.modal-sheet button:last-child{ border-bottom:none; }

@media (min-width:600px){
  body{ background:#f0f0f0; }
}