/* SMSocial 4.0.0: bounded public offline reader. Scope all styles. */
.sms-offline-v4,
[data-sms-offline-v4] {
  --offline-accent: #8358ec;
  --offline-ink: #18253c;
  --offline-muted: #69758c;
  --offline-line: #dce3ef;
  --offline-surface: #fff;
  --offline-bg: #f1f4fa;
  background: var(--offline-bg);
  color: var(--offline-ink);
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  box-sizing: border-box;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}
.sms-offline-v4 *, [data-sms-offline-v4] * { box-sizing: border-box; }
.sms-offline-v4 {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  padding: env(safe-area-inset-top, 0px) max(16px, env(safe-area-inset-right, 0px)) env(safe-area-inset-bottom, 0px) max(16px, env(safe-area-inset-left, 0px));
}
.sms-offline-v4[hidden] { display: none !important; }
[data-sms-offline-v4] { min-height: 100vh; padding: max(16px, env(safe-area-inset-top, 0px)) 16px max(16px, env(safe-area-inset-bottom, 0px)); }
.sms-offline-top {
  position: sticky; top: 0; z-index: 3;
  max-width: 920px; margin: 0 auto 12px; padding: 16px 18px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px;
  border: 1px solid var(--offline-line); border-radius: 18px;
  background: var(--offline-surface); box-shadow: 0 8px 28px rgba(15, 25, 50, .05);
}
.sms-offline-summary { display: grid; gap: 3px; }
.sms-offline-summary strong { font-size: 19px; font-weight: 800; letter-spacing: -.02em; color: var(--offline-accent); }
.sms-offline-summary span { font-size: 13px; color: var(--offline-ink); }
.sms-offline-summary small, .sms-offline-muted { font-size: 12px; color: var(--offline-muted); }
.sms-offline-top__actions { display: flex; gap: 8px; align-items: center; }
.sms-offline-top button, .sms-offline-open, .sms-offline-back {
  border: 1px solid var(--offline-line); border-radius: 12px; padding: 10px 15px;
  color: var(--offline-ink); background: #f7f8fc; cursor: pointer;
  font: inherit; font-weight: 650; min-height: 42px;
}
.sms-offline-top button:hover, .sms-offline-open:hover, .sms-offline-back:hover { border-color: var(--offline-accent); }
.sms-offline-top button:focus-visible, .sms-offline-open:focus-visible, .sms-offline-back:focus-visible {
  outline: 3px solid var(--offline-accent); outline-offset: 2px;
}
.sms-offline-tabs { display: flex; gap: 8px; flex-basis: 100%; overflow-x: auto; padding: 5px 0 0; }
.sms-offline-tabs button { white-space: nowrap; min-height: 38px; padding: 8px 13px; background: transparent; }
.sms-offline-tabs button.active { background: var(--offline-accent); color: #fff; border-color: var(--offline-accent); }
.sms-offline-notice, .sms-offline-empty {
  max-width: 920px; margin: 12px auto; padding: 10px 13px; font-size: 13px;
  line-height: 1.45; color: var(--offline-muted);
}
.sms-offline-empty { background: var(--offline-surface); border: 1px solid var(--offline-line); border-radius: 16px; padding: 30px 20px; }
.sms-offline-list { display: grid; max-width: 920px; gap: 14px; margin: 0 auto 30px; }
.sms-offline-card { background: var(--offline-surface); border: 1px solid var(--offline-line); border-radius: 18px; overflow: hidden; }
.sms-offline-card__content { padding: 19px 20px 10px; }
.sms-offline-card h2 { margin: 8px 0 6px; font-size: clamp(17px, 3vw, 22px); line-height: 1.28; font-weight: 750; }
.sms-offline-text { max-height: 180px; overflow: hidden; line-height: 1.55; overflow-wrap: anywhere; color: var(--offline-ink); }
.sms-offline-text p { margin: 7px 0; }
.sms-offline-text img { display: none; }
.sms-offline-card__gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 3px; }
.sms-offline-card__gallery img { display: block; width: 100%; max-height: 450px; min-height: 160px; object-fit: cover; background: #eef0f7; }
.sms-offline-open { margin: 14px 20px 17px; background: #f2ecff; color: #6540d8; border-color: #e3d8ff; }
.sms-offline-detail { max-width: 920px; margin: 0 auto 40px; padding: clamp(18px, 4vw, 32px); border-radius: 18px; border: 1px solid var(--offline-line); background: var(--offline-surface); }
.sms-offline-detail h1 { line-height: 1.22; font-size: clamp(22px, 3.5vw, 34px); margin: 20px 0 10px; overflow-wrap: anywhere; }
.sms-offline-detail__hero { display: block; width: 100%; height: auto; border-radius: 14px; margin: 18px 0; object-fit: contain; }
.sms-offline-prose { font-size: 16px; line-height: 1.66; overflow-wrap: anywhere; white-space: normal; }
.sms-offline-prose p { margin: 10px 0; }
.sms-offline-prose img { display: block; max-width: 100%; height: auto; margin: 14px auto; border-radius: 12px; }
.sms-offline-prose a { color: inherit; text-decoration: underline; pointer-events: none; }
.sms-offline-gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 10px; padding: 15px 0; }
.sms-offline-gallery img { width: 100%; height: auto; object-fit: contain; border-radius: 12px; }
.sms-offline-back { margin-bottom: 8px; }
@media (max-width: 620px) {
  .sms-offline-v4, [data-sms-offline-v4] { padding-left: 9px; padding-right: 9px; }
  .sms-offline-top { border-radius: 12px; padding: 12px; }
  .sms-offline-summary strong { font-size: 17px; }
  .sms-offline-top__actions button { font-size: 12px; padding: 8px 10px; }
  .sms-offline-card__content { padding: 15px 15px 8px; }
  .sms-offline-card__gallery img { max-height: 430px; min-height: 120px; }
  .sms-offline-detail { padding: 17px 15px; }
  .sms-offline-open { margin: 12px 15px 15px; }
}
@media (prefers-color-scheme: dark) {
  .sms-offline-v4, [data-sms-offline-v4] {
    --offline-ink: #f4f5fb;
    --offline-muted: #9da9c0;
    --offline-line: #364259;
    --offline-surface: #192438;
    --offline-bg: #0f1826;
    color-scheme: dark;
  }
  .sms-offline-top button, .sms-offline-open, .sms-offline-back { background: #28354a; color: #f4f5fb; }
  .sms-offline-tabs button.active { background: var(--offline-accent); }
}