/* =========================================================
   ORBIT — design tokens
   Deep-space navy surface, violet + amber dual accent.
   Signature element: the "orbit ring" — a slow rotating
   conic-gradient ring used on avatars for live stories,
   verified creators and premium brand badges.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500&display=swap');

:root{
  --bg: #0B0E14;
  --surface: #12151C;
  --surface-2: #171B24;
  --surface-3: #1D2230;
  --border: #262B38;
  --text: #F5F6FA;
  --text-dim: #8A90A3;
  --text-faint: #565C6E;

  --violet: #7C5CFC;
  --violet-2: #5B3FE0;
  --violet-soft: rgba(124,92,252,.14);
  --amber: #FFB648;
  --amber-soft: rgba(255,182,72,.14);
  --red: #FF5470;
  --green: #35D28A;

  --grad-orbit: conic-gradient(from 0deg, var(--violet), var(--amber), var(--red), var(--violet));

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 24px;
  --radius-pill: 999px;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-card: 0 8px 30px rgba(0,0,0,.35);
  --nav-h: 64px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ color-scheme: dark; }
body{
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 0%, rgba(124,92,252,.10), transparent 40%),
    radial-gradient(circle at 100% 20%, rgba(255,182,72,.06), transparent 35%);
  background-attachment: fixed;
}
a{ color:inherit; text-decoration:none; }
button{ font-family: inherit; cursor:pointer; }
img{ display:block; max-width:100%; }
::selection{ background: var(--violet-soft); }
:focus-visible{ outline: 2px solid var(--violet); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

h1,h2,h3,h4{ font-family: var(--font-display); letter-spacing: -0.01em; }
.mono{ font-family: var(--font-mono); }
.dim{ color: var(--text-dim); }
.faint{ color: var(--text-faint); }

/* ---------- app shell ---------- */
.app-shell{
  display:flex;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 100vh;
}

/* desktop sidebar */
.sidebar{
  width: 260px;
  flex-shrink: 0;
  padding: 28px 16px;
  display:flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top:0;
  height: 100vh;
  border-right: 1px solid var(--border);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 8px 12px 28px;
  font-family: var(--font-display);
  font-weight:700;
  font-size: 22px;
}
.brand .mark{
  width: 30px; height:30px; border-radius: 50%;
  background: var(--grad-orbit);
  position:relative;
  animation: spin 6s linear infinite;
}
.brand .mark::after{
  content:'';
  position:absolute; inset:5px;
  border-radius:50%;
  background: var(--bg);
}
@keyframes spin{ to{ transform: rotate(360deg); } }

.nav-link{
  display:flex; align-items:center; gap:14px;
  padding: 12px 14px;
  border-radius: var(--radius-m);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 15.5px;
  transition: background .15s, color .15s;
}
.nav-link svg{ width:22px; height:22px; flex-shrink:0; }
.nav-link:hover{ background: var(--surface-2); color: var(--text); }
.nav-link.active{ background: var(--violet-soft); color: var(--text); }
.nav-link.active svg{ color: var(--violet); }

.sidebar-cta{
  margin-top: auto;
  padding: 16px;
  border-radius: var(--radius-m);
  background: linear-gradient(145deg, var(--surface-2), var(--surface-3));
  border: 1px solid var(--border);
}
.sidebar-cta .eyebrow{ font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--amber); font-weight:700; margin-bottom:6px; }
.sidebar-cta p{ font-size: 13px; color: var(--text-dim); line-height:1.5; margin-bottom:12px; }

/* main column */
.main-col{
  flex:1;
  min-width:0;
  border-right: 1px solid var(--border);
  padding-bottom: 90px;
}
.topbar{
  display:none;
  align-items:center; justify-content:space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky; top:0; z-index:20;
  background: rgba(11,14,20,.85);
  backdrop-filter: blur(10px);
}

/* right rail (desktop) */
.right-rail{
  width: 300px;
  flex-shrink:0;
  padding: 28px 20px;
}
.rail-card{
  background: var(--surface);
  border:1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 16px;
  margin-bottom: 18px;
}
.rail-card h4{ font-size:14px; margin-bottom: 12px; }

/* bottom nav (mobile) */
.bottom-nav{
  display:none;
  position: fixed; bottom:0; left:0; right:0;
  height: var(--nav-h);
  background: rgba(18,21,28,.92);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  align-items:center; justify-content:space-around;
  z-index: 50;
}
.bottom-nav a{ color: var(--text-dim); display:flex; flex-direction:column; align-items:center; gap:3px; font-size:10px; font-weight:600; }
.bottom-nav a svg{ width:24px; height:24px; }
.bottom-nav a.active{ color: var(--text); }
.bottom-nav a.active svg{ color: var(--violet); }

@media (max-width: 900px){
  .sidebar{ display:none; }
  .right-rail{ display:none; }
  .topbar{ display:flex; }
  .bottom-nav{ display:flex; }
  .main-col{ border-right:none; padding-bottom: calc(var(--nav-h) + 24px); }
}

/* ---------- orbit ring (signature) ---------- */
.orbit-ring{
  position:relative;
  border-radius:50%;
  padding: 3px;
  background: var(--grad-orbit);
  animation: spin 5s linear infinite;
  flex-shrink:0;
}
.orbit-ring.static{ animation:none; background: var(--border); }
.orbit-ring.gold{ background: conic-gradient(from 0deg, var(--amber), #fff3d6, var(--amber)); }
.orbit-ring img{
  border-radius:50%;
  border: 3px solid var(--bg);
  display:block;
  background: var(--surface-2);
  animation: counter-spin 5s linear infinite;
}
@keyframes counter-spin{ from{ transform: rotate(0deg); } to{ transform: rotate(-360deg); } }

.verified-badge{
  display:inline-flex; align-items:center; justify-content:center;
  width:16px; height:16px; border-radius:50%;
  background: var(--violet);
  flex-shrink:0;
}
.verified-badge svg{ width:10px; height:10px; }
.badge-brand{ background: var(--amber); }

/* ---------- stories bar ---------- */
.stories-bar{
  display:flex; gap:16px;
  padding: 18px 16px;
  overflow-x:auto;
  border-bottom: 1px solid var(--border);
  scrollbar-width:none;
}
.stories-bar::-webkit-scrollbar{ display:none; }
.story-item{ display:flex; flex-direction:column; align-items:center; gap:6px; flex-shrink:0; width:68px; }
.story-item .orbit-ring{ width:60px; height:60px; }
.story-item .orbit-ring img{ width:100%; height:100%; object-fit:cover; }
.story-item span{ font-size:11.5px; color:var(--text-dim); text-align:center; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; width:100%; }

/* ---------- feed / post card ---------- */
.post-card{
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.post-head{ display:flex; align-items:center; gap:12px; padding: 0 16px 12px; }
.post-head .orbit-ring{ width:38px; height:38px; }
.post-head .orbit-ring img{ width:100%; height:100%; object-fit:cover; }
.post-head .who{ display:flex; flex-direction:column; line-height:1.25; }
.post-head .uname{ display:flex; align-items:center; gap:5px; font-weight:600; font-size:14.5px; }
.post-head .meta{ font-size:12px; color:var(--text-faint); }
.post-head .more{ margin-left:auto; color:var(--text-dim); }

.post-media{ width:100%; aspect-ratio: 4/5; object-fit:cover; background:var(--surface-2); }
.post-media.square{ aspect-ratio:1/1; }

.post-actions{ display:flex; align-items:center; gap:16px; padding: 12px 16px 6px; }
.icon-btn{ background:none; border:none; color:var(--text); display:flex; align-items:center; gap:6px; font-size:13px; font-weight:600; color: var(--text-dim); }
.icon-btn svg{ width:23px; height:23px; transition: transform .12s; }
.icon-btn:active svg{ transform: scale(1.15); }
.icon-btn.liked{ color: var(--red); }
.icon-btn.saved{ color: var(--amber); }
.post-actions .spacer{ flex:1; }

.post-stats{ padding: 2px 16px 6px; font-size: 13.5px; font-weight:600; }
.post-caption{ padding: 0 16px; font-size:14px; line-height:1.5; }
.post-caption .uname{ font-weight:600; margin-right:6px; }
.post-caption .hashtag, .post-caption .mention{ color: var(--violet); font-weight:500; }
.post-time{ padding: 6px 16px 0; font-size:11.5px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.04em; }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-weight:700; font-size:14px;
  border: 1px solid transparent;
  transition: transform .1s, filter .15s;
}
.btn:active{ transform: scale(.97); }
.btn-primary{ background: linear-gradient(135deg, var(--violet), var(--violet-2)); color:#fff; }
.btn-primary:hover{ filter:brightness(1.08); }
.btn-ghost{ background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-ghost:hover{ background: var(--surface-3); }
.btn-amber{ background: linear-gradient(135deg, var(--amber), #E89A2C); color:#1a1400; }
.btn-sm{ padding:7px 14px; font-size:12.5px; }
.btn-block{ width:100%; }
.btn-danger-ghost{ background:transparent; border-color: var(--red); color:var(--red); }

/* ---------- reels ---------- */
.reels-shell{ height:100vh; overflow-y:scroll; scroll-snap-type:y mandatory; scrollbar-width:none; }
.reels-shell::-webkit-scrollbar{ display:none; }
.reel{
  height:100vh; scroll-snap-align:start;
  position:relative; display:flex; align-items:flex-end;
  background:#000;
  overflow:hidden;
}
.reel img.bg{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.85; filter:saturate(1.1); }
.reel::after{ content:''; position:absolute; inset:0; background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.85) 100%); }
.reel-info{ position:relative; z-index:2; padding: 20px 70px 100px 16px; color:#fff; }
.reel-info .uname{ font-weight:700; display:flex; align-items:center; gap:6px; margin-bottom:8px; }
.reel-info .cap{ font-size:14px; line-height:1.45; margin-bottom:8px; }
.reel-info .track{ display:flex; align-items:center; gap:6px; font-size:12.5px; color:#ddd; }
.reel-side{ position:absolute; right:10px; bottom:100px; z-index:2; display:flex; flex-direction:column; align-items:center; gap:22px; color:#fff; }
.reel-side button{ background:none; border:none; color:#fff; display:flex; flex-direction:column; align-items:center; gap:4px; font-size:11.5px; font-weight:600; }
.reel-side svg{ width:28px; height:28px; }
.reel-top{ position:absolute; top:0; left:0; right:0; z-index:3; display:flex; align-items:center; justify-content:space-between; padding: 16px; font-family:var(--font-display); font-weight:700; }

/* ---------- profile ---------- */
.cover{ height: 160px; width:100%; object-fit:cover; background: var(--surface-2); }
.profile-head{ padding: 0 20px; margin-top: -44px; position:relative; }
.profile-head .orbit-ring{ width:92px; height:92px; }
.profile-head .orbit-ring img{ width:100%; height:100%; object-fit:cover; }
.profile-name{ display:flex; align-items:center; gap:6px; font-family: var(--font-display); font-size:20px; margin-top:12px; }
.profile-handle{ color: var(--text-dim); font-size:14px; margin-top:2px; }
.profile-bio{ font-size:14px; line-height:1.55; margin-top:12px; max-width:520px; }
.profile-link{ display:inline-flex; align-items:center; gap:6px; color: var(--violet); font-size:13.5px; margin-top:8px; font-weight:600; }
.profile-stats{ display:flex; gap:26px; margin-top:16px; }
.profile-stats b{ font-family: var(--font-mono); display:block; font-size:16px; }
.profile-stats span{ font-size:12px; color: var(--text-dim); }
.profile-actions{ display:flex; gap:10px; margin-top:16px; }
.profile-tags{ display:flex; gap:8px; margin-top:14px; flex-wrap:wrap; }
.tag-chip{ font-size:11.5px; font-weight:700; padding:5px 11px; border-radius:var(--radius-pill); background: var(--violet-soft); color: var(--violet); text-transform:uppercase; letter-spacing:.03em; }
.tag-chip.amber{ background: var(--amber-soft); color: var(--amber); }

.profile-tabs{ display:flex; border-top:1px solid var(--border); border-bottom:1px solid var(--border); margin-top: 20px; }
.profile-tabs button{ flex:1; background:none; border:none; padding: 13px; color: var(--text-dim); font-weight:700; font-size:12.5px; text-transform:uppercase; letter-spacing:.05em; display:flex; align-items:center; justify-content:center; gap:6px; border-bottom: 2px solid transparent; }
.profile-tabs button.active{ color: var(--text); border-color: var(--violet); }

.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap:2px; }
.grid-3 .cell{ position:relative; aspect-ratio:1/1; background: var(--surface-2); overflow:hidden; }
.grid-3 .cell img{ width:100%; height:100%; object-fit:cover; }
.grid-3 .cell .stat{ position:absolute; bottom:6px; left:6px; font-size:11px; font-weight:700; display:flex; align-items:center; gap:4px; text-shadow: 0 1px 4px rgba(0,0,0,.6); }
.grid-3 .cell .carousel-flag{ position:absolute; top:6px; right:6px; }
.grid-3 .cell .carousel-flag svg{ width:16px; height:16px; filter: drop-shadow(0 1px 3px rgba(0,0,0,.6)); }

/* ---------- search ---------- */
.search-input-wrap{ padding: 14px 16px; }
.search-input{
  width:100%; background: var(--surface-2); border:1px solid var(--border);
  border-radius: var(--radius-pill); padding: 11px 16px 11px 42px;
  color: var(--text); font-size:14px; position:relative;
}
.search-input-wrap{ position:relative; }
.search-input-wrap svg{ position:absolute; left:32px; top:50%; transform:translateY(-50%); width:18px; height:18px; color:var(--text-dim); }
.filter-row{ display:flex; gap:8px; padding: 0 16px 14px; overflow-x:auto; scrollbar-width:none; }
.filter-row::-webkit-scrollbar{ display:none; }
.filter-chip{ flex-shrink:0; padding:8px 15px; border-radius: var(--radius-pill); background: var(--surface-2); border:1px solid var(--border); font-size:13px; font-weight:600; color: var(--text-dim); }
.filter-chip.active{ background: var(--violet); color:#fff; border-color:transparent; }

.result-row{ display:flex; align-items:center; gap:12px; padding: 11px 16px; }
.result-row .orbit-ring{ width:46px; height:46px; }
.result-row .orbit-ring img{ width:100%; height:100%; object-fit:cover; }
.result-row .info{ flex:1; min-width:0; }
.result-row .name{ display:flex; align-items:center; gap:5px; font-weight:600; font-size:14.5px; }
.result-row .sub{ font-size:12.5px; color: var(--text-dim); }
.section-label{ padding: 18px 16px 6px; font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.06em; color: var(--text-faint); }

.hashtag-icon{ width:46px; height:46px; border-radius:50%; background:var(--surface-2); display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:700; color:var(--violet); flex-shrink:0; }
.campaign-card{ display:flex; gap:12px; padding:12px 16px; }
.campaign-card img{ width:52px; height:52px; border-radius:14px; object-fit:cover; background:var(--surface-2); }
.campaign-card .budget{ font-family:var(--font-mono); color:var(--green); font-size:12.5px; }

/* ---------- auth pages ---------- */
.auth-wrap{ min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; }
.auth-card{ width:100%; max-width:400px; }
.auth-card .brand{ justify-content:center; padding-bottom:8px; }
.auth-card h1{ font-size:24px; text-align:center; margin-bottom:6px; }
.auth-card p.sub{ text-align:center; color:var(--text-dim); font-size:14px; margin-bottom:28px; }
.field{ margin-bottom:14px; }
.field label{ display:block; font-size:12.5px; font-weight:600; color: var(--text-dim); margin-bottom:6px; }
.field input{
  width:100%; background: var(--surface-2); border:1px solid var(--border);
  border-radius: var(--radius-s); padding: 12px 14px; color: var(--text); font-size:14px;
}
.field input:focus{ border-color: var(--violet); }
.field-row{ display:flex; justify-content:space-between; align-items:center; margin: 4px 0 18px; font-size:13px; }
.field-row a{ color: var(--violet); font-weight:600; }
.divider{ display:flex; align-items:center; gap:12px; margin:20px 0; color: var(--text-faint); font-size:12.5px; }
.divider::before, .divider::after{ content:''; flex:1; height:1px; background: var(--border); }
.social-btn{ display:flex; align-items:center; justify-content:center; gap:10px; width:100%; padding:11px; border-radius:var(--radius-s); background: var(--surface-2); border:1px solid var(--border); font-weight:600; font-size:14px; }
.otp-row{ display:flex; gap:8px; }
.otp-row input{ text-align:center; font-size:18px; font-family: var(--font-mono); padding:12px 0; }
.foot-link{ text-align:center; margin-top:22px; font-size:13.5px; color: var(--text-dim); }
.foot-link a{ color: var(--violet); font-weight:700; }

/* toast */
.toast{ position:fixed; bottom: calc(var(--nav-h) + 16px); left:50%; transform:translateX(-50%) translateY(20px); background: var(--surface-3); border:1px solid var(--border); padding:11px 18px; border-radius:var(--radius-pill); font-size:13.5px; font-weight:600; opacity:0; transition: all .25s; z-index:100; box-shadow: var(--shadow-card); display:flex; align-items:center; gap:8px; }
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }
@media (min-width:901px){ .toast{ bottom:26px; } }

.container-pad{ padding: 0 16px; }
.empty-state{ text-align:center; padding: 60px 24px; color: var(--text-dim); }
.empty-state svg{ width:48px; height:48px; color: var(--text-faint); margin-bottom:14px; }