/* ═══ PLATFORM — shared components for all platform pages ═══ */

/* ── Spinner ── */
@keyframes spin{to{transform:rotate(360deg)}}
.ob-spinner{width:32px;height:32px;border:3px solid var(--border2);border-top-color:var(--gold);border-radius:50%;animation:spin .8s linear infinite;flex-shrink:0}
.ob-spinner-sm{width:20px;height:20px;border-width:2px}
.ob-spinner-lg{width:48px;height:48px;border-width:4px}

/* ── Skeleton ── */
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
.ob-skeleton{background:linear-gradient(90deg,var(--surface) 25%,var(--surface2) 50%,var(--surface) 75%);background-size:200% 100%;animation:shimmer 1.8s ease-in-out infinite;border-radius:var(--r);min-height:20px}
.ob-skeleton-circle{border-radius:50%}
.ob-skeleton-text{height:14px;margin-bottom:10px;max-width:80%}
.ob-skeleton-text:last-child{max-width:60%}

/* ── Platform section layout ── */
.plat-sect{padding:90px 24px;position:relative}
.plat-inner{max-width:var(--maxw);margin:0 auto}

/* ── Creator card ── */
.creator-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.creator-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r2);padding:28px;display:flex;flex-direction:column;align-items:center;text-align:center;transition:all .45s var(--ease);position:relative;overflow:hidden;backdrop-filter:blur(12px)}
.creator-card::after{content:'';position:absolute;top:0;right:0;width:140px;height:140px;background:radial-gradient(circle,rgba(232,119,26,.04),transparent 60%);border-radius:50%;pointer-events:none;opacity:0;transition:opacity .5s;transform:translate(30%,-30%)}
.creator-card:hover{border-color:var(--gold-border);transform:translateY(-6px);box-shadow:0 20px 56px rgba(14,27,61,.1)}
.creator-card:hover::after{opacity:1}
.creator-card-avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;margin-bottom:14px;border:2px solid var(--border2);flex-shrink:0}
.creator-card-name{font-size:1.05rem;font-weight:700;color:var(--heading);letter-spacing:-.02em;margin-bottom:2px}
.creator-card-tagline{font-size:.82rem;color:var(--text2);margin-bottom:14px;line-height:1.5}
.creator-card-specs{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-bottom:16px}
.creator-card-stat{font-size:.74rem;color:var(--text3);font-weight:600}
.creator-card-stat b{color:var(--heading);font-weight:800;margin-right:2px}

/* ── Badges ── */
.ob-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:100px;font-size:.62rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.ob-badge-verified{background:var(--gold-glow);color:var(--gold);border:1px solid var(--gold-border)}
.ob-badge-featured{background:var(--violet-glow);color:var(--violet);border:1px solid rgba(107,91,167,.18)}
.ob-badge-new{background:rgba(45,122,84,.08);color:var(--sage);border:1px solid rgba(45,122,84,.18)}

/* ── Follow button ── */
.btn-follow{padding:8px 22px;border-radius:100px;font-size:.78rem;font-weight:700;font-family:var(--font);cursor:pointer;transition:all .3s var(--ease);border:1.5px solid var(--gold-border);background:transparent;color:var(--gold)}
.btn-follow:hover{background:var(--gold-glow);border-color:var(--gold);transform:translateY(-1px)}
.btn-follow.following{background:linear-gradient(135deg,var(--gold),var(--ember));color:#fff;border-color:transparent;box-shadow:0 2px 12px rgba(232,119,26,.2)}
.btn-follow.following:hover{opacity:.9}

/* ── Specialty tags ── */
.spec-tag{display:inline-block;padding:4px 12px;border-radius:100px;font-size:.68rem;font-weight:600;background:var(--surface2);color:var(--text2);border:1px solid var(--border);transition:all .2s var(--ease);white-space:nowrap}
.spec-tag:hover{color:var(--heading);border-color:var(--border2)}

/* ── Platform tabs ── */
.plat-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:32px}
.plat-tab{padding:9px 22px;border-radius:100px;font-size:.8rem;font-weight:600;font-family:var(--font);background:var(--surface);color:var(--text3);border:1px solid var(--border);cursor:pointer;transition:all .25s var(--ease);white-space:nowrap}
.plat-tab:hover{color:var(--heading);background:var(--surface2);border-color:var(--border2)}
.plat-tab.active{background:var(--gold-glow);color:var(--gold);border-color:var(--gold-border)}

/* ── Empty state ── */
.ob-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:64px 24px;text-align:center}
.ob-empty-icon{font-size:2.5rem;margin-bottom:16px;opacity:.3}
.ob-empty-msg{font-size:.95rem;color:var(--text2);margin-bottom:6px;font-weight:600}
.ob-empty-sub{font-size:.82rem;color:var(--text3);margin-bottom:24px;max-width:360px;line-height:1.6}
.ob-empty-btn{padding:10px 28px;border-radius:100px;font-size:.82rem;font-weight:700;font-family:var(--font);background:var(--gold);color:#fff;border:none;cursor:pointer;transition:all .3s var(--ease)}
.ob-empty-btn:hover{background:var(--gold-hot);transform:translateY(-1px);box-shadow:0 4px 16px rgba(232,119,26,.25)}

/* ── Toast ── */
@keyframes toastIn{from{transform:translateY(100%) translateX(-50%);opacity:0}to{transform:translateY(0) translateX(-50%);opacity:1}}
@keyframes toastOut{from{transform:translateY(0) translateX(-50%);opacity:1}to{transform:translateY(100%) translateX(-50%);opacity:0}}
.ob-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:14px 28px;border-radius:var(--r);background:var(--navy-mid);color:var(--heading);font-size:.84rem;font-weight:600;border:1px solid var(--border2);box-shadow:0 12px 40px rgba(0,0,0,.4);z-index:300;animation:toastIn .4s var(--ease) forwards;backdrop-filter:blur(16px);display:flex;align-items:center;gap:10px;white-space:nowrap}
.ob-toast.out{animation:toastOut .3s var(--ease) forwards}
.ob-toast-icon{font-size:1rem}
.ob-toast-success{border-left:3px solid var(--sage)}
.ob-toast-error{border-left:3px solid var(--ember)}

/* ── Stat card ── */
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r2);padding:24px;backdrop-filter:blur(12px);transition:all .35s var(--ease)}
.stat-card:hover{border-color:var(--gold-border);transform:translateY(-3px);box-shadow:0 12px 36px rgba(14,27,61,.08)}
.stat-card-num{font-size:1.8rem;font-weight:800;color:var(--heading);letter-spacing:-.03em;line-height:1}
.stat-card-label{font-size:.74rem;color:var(--text3);font-weight:600;margin-top:6px;text-transform:uppercase;letter-spacing:.06em}
.stat-card-trend{font-size:.72rem;font-weight:700;margin-top:8px;display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:100px}
.stat-card-trend.up{color:var(--sage);background:rgba(45,122,84,.08)}
.stat-card-trend.down{color:var(--ember);background:rgba(224,89,46,.08)}

/* ── Content card ── */
.content-card{display:flex;gap:16px;padding:20px;border-radius:var(--r2);background:var(--surface);border:1px solid var(--border);transition:all .35s var(--ease);align-items:center}
.content-card:hover{border-color:var(--gold-border);transform:translateY(-2px);box-shadow:0 8px 28px rgba(14,27,61,.06)}
.content-card-thumb{width:64px;height:64px;border-radius:var(--r);object-fit:cover;flex-shrink:0;background:var(--bg2)}
.content-card-body{flex:1;min-width:0}
.content-card-title{font-size:.92rem;font-weight:700;color:var(--heading);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.content-card-meta{display:flex;align-items:center;gap:10px;font-size:.72rem;color:var(--text3)}
.content-card-actions{display:flex;gap:8px;flex-shrink:0}
.content-card-actions button{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--bg);color:var(--text3);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:all .2s var(--ease)}
.content-card-actions button:hover{border-color:var(--gold-border);color:var(--gold);background:var(--gold-glow)}

/* ── Rich text content ── */
.rt-content{color:var(--text);font-size:.92rem;line-height:1.75}
.rt-content h1,.rt-content h2,.rt-content h3,.rt-content h4{color:var(--heading);font-weight:700;letter-spacing:-.02em;margin-top:32px;margin-bottom:12px}
.rt-content h1{font-size:1.6rem}
.rt-content h2{font-size:1.3rem}
.rt-content h3{font-size:1.1rem}
.rt-content h4{font-size:.95rem}
.rt-content p{margin-bottom:16px}
.rt-content a{color:var(--gold);text-decoration:underline;text-underline-offset:3px;transition:color .2s}
.rt-content a:hover{color:var(--gold-hot)}
.rt-content ul,.rt-content ol{margin-bottom:16px;padding-left:20px}
.rt-content li{margin-bottom:6px}
.rt-content blockquote{border-left:3px solid var(--gold-border);padding:12px 20px;margin:20px 0;background:var(--gold-glow);border-radius:0 var(--r) var(--r) 0;font-style:italic;color:var(--text2)}
.rt-content img{max-width:100%;border-radius:var(--r);margin:20px 0}
.rt-content code{background:var(--surface2);padding:2px 6px;border-radius:4px;font-size:.84rem}
.rt-content pre{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:16px;overflow-x:auto;margin:20px 0}
.rt-content pre code{background:none;padding:0}
.rt-content hr{border:none;height:1px;background:var(--border);margin:32px 0}

/* ── Scroll reveal (inherits global .rv) ── */
@media(prefers-reduced-motion:no-preference){
.plat-sect .rv{opacity:0;transform:translateY(36px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.plat-sect .rv.vis{opacity:1;transform:translateY(0)}
}

/* ── Responsive ── */
@media(max-width:768px){
  .plat-sect{padding:56px 16px}
  .creator-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
  .creator-card{padding:22px}
  .stat-card-num{font-size:1.4rem}
  .content-card{flex-direction:column;align-items:flex-start}
  .content-card-thumb{width:100%;height:140px}
  .content-card-title{white-space:normal}
  .plat-tabs{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch;padding-bottom:4px;scrollbar-width:none}
  .plat-tabs::-webkit-scrollbar{display:none}
}
@media(max-width:480px){
  .plat-sect{padding:40px 12px}
  .creator-grid{grid-template-columns:1fr}
  .creator-card-avatar{width:56px;height:56px}
  .ob-toast{left:12px;right:12px;transform:none;bottom:12px}
  @keyframes toastIn{from{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}
  @keyframes toastOut{from{transform:translateY(0);opacity:1}to{transform:translateY(100%);opacity:0}}
  .ob-toast.out{animation:toastOut .3s var(--ease) forwards}
}