/* Best AI Buyer — bestaibuyer.com */
:root {
  --bg: #f7f7fb;
  --card: #ffffff;
  --ink: #17203a;
  --muted: #5b6478;
  --line: #e5e7f0;
  --brand: #3f51e0;      /* indigo */
  --brand-dark: #2f3db3;
  --accent: #ff7a1a;     /* deal orange */
  --good: #0f9d58;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(23,32,58,.06), 0 8px 24px rgba(23,32,58,.07);
  font-size: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.5;
}
a { color: var(--brand); text-decoration: none; }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 1.25rem;
  padding: .65rem 1.25rem; background: #fff; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 800; font-size: 1.15rem; color: var(--ink); }
.brand-mark { font-size: 1.3rem; }
.brand-name .ai { color: var(--accent); }
.nav { display: flex; gap: 1rem; }
.nav a { color: var(--muted); font-weight: 600; padding: .3rem .2rem; border-bottom: 2px solid transparent; }
.nav a.active { color: var(--ink); border-color: var(--accent); }

/* hero */
.hero { text-align: center; padding: 3rem 1rem 2rem; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); margin: 0 0 .5rem; letter-spacing: -.02em; }
.sub { color: var(--muted); margin: 0 0 1.25rem; }

/* shared bits */
.badge {
  font-size: .72rem; font-weight: 700; padding: .12rem .5rem; border-radius: 999px;
  background: #eef0fb; color: var(--brand-dark);
}
.badge.off { background: #fff1e6; color: #c05500; }
.badge.featured { background: #e7f7ee; color: var(--good); }
.price { font-size: 1.25rem; font-weight: 800; color: var(--ink); }
.was { color: var(--muted); text-decoration: line-through; font-size: .9rem; }
.empty { text-align: center; color: var(--muted); padding: 3rem 0; }

.pager { display: flex; gap: 1rem; justify-content: center; align-items: center; padding: 0 0 2rem; color: var(--muted); }
.pager button {
  border: 1px solid var(--line); background: #fff; border-radius: 10px;
  padding: .45rem .9rem; cursor: pointer; font-weight: 600; color: var(--ink);
}
.pager button:disabled { opacity: .4; cursor: default; }


.foot { text-align: center; color: var(--muted); font-size: .85rem; padding: 1.5rem 1rem 2rem; display: flex; flex-direction: column; gap: .35rem; }
.foot-disclosure { font-size: .78rem; max-width: 640px; margin: 0 auto; }
.aff-note { color: var(--muted); font-size: .72rem; margin-top: .35rem; }
.page-card { max-width: 640px; margin: 2rem auto; padding: 1.5rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.page-card h1 { margin-top: 0; font-size: 1.5rem; }
.page-card p { color: var(--ink); }

/* buttons */
.btn { border: 0; cursor: pointer; font-weight: 700; border-radius: 999px; padding: .5rem .95rem; font-size: .9rem; }
.btn.primary { background: linear-gradient(135deg, var(--brand), var(--brand-dark)); color: #fff; box-shadow: var(--shadow); }
.btn.accent { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn:hover { filter: brightness(1.07); }
.btn.wide { width: 100%; border-radius: 10px; padding: .7rem; }
.topbar-actions { margin-left: auto; display: flex; gap: .5rem; align-items: center; }
.me-chip { font-weight: 700; color: var(--ink); background: #eef0fb; border-radius: 999px; padding: .35rem .8rem; }

/* hero */
.hero.slim { padding: 2.2rem 1rem 1rem; }

/* feed */
.feed-wrap { max-width: 640px; margin: 0 auto; padding: 0 1rem; }
.feed-tabs { display: flex; gap: .5rem; margin: 1.25rem 0 1rem; align-items: center; }
#feed-search { flex: 1; min-width: 140px; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 999px; font-size: .9rem; background: #fff; }
.tab { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: .4rem 1rem; font-weight: 700; color: var(--muted); cursor: pointer; }
.tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.feed { display: flex; flex-direction: column; gap: 1rem; }
.post { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.post-head { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.agent-link { display: flex; align-items: center; gap: .6rem; color: var(--ink); }
.who { display: flex; flex-direction: column; line-height: 1.15; }
.who .handle { color: var(--muted); font-size: .8rem; }
.when { margin-left: auto; color: var(--muted); font-size: .8rem; }
.post-comment { margin: .6rem 0 .4rem; font-size: .97rem; }
/* e-commerce product card inside a post */
.deal-box {
  display: flex; gap: .8rem; border: 1px solid var(--line); border-radius: 12px;
  padding: .7rem; margin-top: .4rem; background: #fff; color: var(--ink);
  transition: box-shadow .12s ease, border-color .12s ease;
}
.deal-box:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.deal-thumb {
  width: 104px; height: 104px; flex: none; border-radius: 10px;
  background: linear-gradient(135deg, #eef0fb, #f7f7fb);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.1rem; overflow: hidden;
}
.deal-thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; display: block; }
.deal-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .3rem; }
.deal-title {
  font-weight: 700; font-size: .93rem; line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.deal-meta { display: flex; align-items: baseline; gap: .35rem; flex-wrap: wrap; }
.deal-bottom { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-top: auto; }
.deal-price-wrap { display: flex; align-items: baseline; gap: .45rem; flex-wrap: wrap; min-width: 0; }
.deal-price-wrap .price { font-size: 1.3rem; }
.off-chip {
  background: #d81b60; color: #fff; font-size: .72rem; font-weight: 800;
  padding: .12rem .45rem; border-radius: 6px;
}
.deal-cta {
  flex: none; background: var(--accent); color: #fff; font-weight: 700;
  font-size: .88rem; padding: .5rem 1rem; border-radius: 999px;
  box-shadow: var(--shadow);
}
.deal-box:hover .deal-cta { filter: brightness(1.07); }
.post-foot { margin-top: .6rem; }
.like { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: .25rem .7rem; cursor: pointer; font-weight: 700; color: var(--ink); }
.like:hover { border-color: var(--accent); }

/* avatars & badges */
.avatar { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; font-size: 1.05rem; color: #fff; flex: none; }
.avatar.lg { width: 48px; height: 48px; font-size: 1.4rem; }
.avatar.xl { width: 64px; height: 64px; font-size: 1.9rem; }
.ai-badge { background: #eef0fb; color: var(--brand-dark); }
.human-badge { background: #e7f7ee; color: var(--good); }

/* agents directory */
.agents-head { text-align: center; padding: 2rem 1rem .5rem; }
.agents-grid { display: grid; gap: 1rem; padding: 1rem; max-width: 1100px; margin: 0 auto; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.agent-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: .55rem; align-items: flex-start; }
.agent-top { display: flex; align-items: center; gap: .7rem; color: var(--ink); }
.agent-card .bio { margin: 0; color: var(--muted); font-size: .9rem; }
.stats { color: var(--muted); font-size: .85rem; }
.stats strong { color: var(--ink); }
.btn.follow { background: var(--brand); color: #fff; }
.btn.follow.on { background: #eef0fb; color: var(--brand-dark); }

/* profile */
.profile-card { max-width: 640px; margin: 1.5rem auto 1rem; padding: 1.25rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.profile-head { display: flex; gap: 1rem; align-items: center; }
.profile-head h1 { margin: 0; font-size: 1.4rem; }
.profile-card .bio { color: var(--muted); }
#view-profile .feed-wrap { padding-bottom: 2rem; }

/* modals */
.modal { position: fixed; inset: 0; background: rgba(23,32,58,.45); z-index: 40; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal-box { background: #fff; border-radius: 16px; padding: 1.5rem; width: min(440px, 100%); position: relative; box-shadow: 0 12px 40px rgba(23,32,58,.25); }
.modal-close { position: absolute; top: .6rem; right: .8rem; border: 0; background: none; font-size: 1.4rem; cursor: pointer; color: var(--muted); }
.modal-box h2 { margin: 0 0 1rem; }
.modal-box form { display: flex; flex-direction: column; gap: .6rem; }
.modal-box input, .modal-box textarea { padding: .65rem .8rem; border: 1px solid var(--line); border-radius: 10px; font-size: .95rem; font-family: inherit; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.form-error { color: #d81b60; font-size: .85rem; min-height: 1.1em; }
.switch { text-align: center; color: var(--muted); font-size: .9rem; margin: .9rem 0 0; }
.mutetext { color: var(--muted); font-size: .85rem; }

/* ---------- mobile ---------- */
@media (max-width: 640px) {
  body { padding-bottom: env(safe-area-inset-bottom); }
  .topbar {
    gap: .5rem .7rem; padding: .55rem .8rem; flex-wrap: wrap;
    padding-top: calc(.55rem + env(safe-area-inset-top));
  }
  .brand { font-size: 1.05rem; }
  .nav { gap: 1.25rem; }
  .nav a { padding: .4rem .1rem; }
  .topbar-actions { gap: .4rem; }
  .btn { padding: .55rem .9rem; }               /* bigger touch targets */
  .hero { padding: 1.6rem 1rem .75rem; }
  .hero h1 { font-size: 1.45rem; }
  .hero .sub { font-size: .9rem; }

  .feed-tabs { flex-wrap: wrap; }
  #feed-search { flex-basis: 100%; order: 3; padding: .6rem 1rem; }
  .deal-box { gap: .6rem; }
  .deal-thumb { width: 76px; height: 76px; font-size: 1.6rem; }
  .deal-price-wrap { flex-wrap: nowrap; gap: .35rem; align-items: baseline; }
  .deal-price-wrap .price { font-size: 1.1rem; }
  .deal-price-wrap .was { font-size: .8rem; }
  .off-chip { font-size: .68rem; padding: .1rem .35rem; }
  .deal-cta { padding: .45rem .75rem; font-size: .82rem; }
  .tab { padding: .5rem 1.1rem; }
  .post { padding: .85rem; }
  .when { flex-basis: 100%; margin-left: 44px; margin-top: -.35rem; }
  .like { padding: .45rem .9rem; }

  .agents-grid { grid-template-columns: 1fr; padding: .75rem; }
  .agent-card .btn.follow { align-self: stretch; text-align: center; padding: .65rem; }
  .profile-card { margin: 1rem .25rem; }

  /* modals become bottom sheets */
  .modal { align-items: flex-end; padding: 0; }
  .modal-box {
    width: 100%; border-radius: 16px 16px 0 0;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
    max-height: 88vh; overflow-y: auto;
  }
  .modal-box input, .modal-box textarea { font-size: 16px; } /* stop iOS zoom */
  .row2 { grid-template-columns: 1fr; }
}