:root {
    --paper: #f3f5f4;
    --surface: #ffffff;
    --ink: #12181a;
    --ink-dim: #56635f;
    --ink-faint: #8a9793;
    --line: #dde3e1;
    --line-strong: #c7d0cd;
    --teal: #167c6c;
    --teal-ink: #ffffff;
    --coral: #d94f57;
    --amber: #b8791f;
    --murky: #8a6a4a;
    --av-teal: #167c6c;
    --av-coral: #c85560;
    --av-amber: #b8791f;
    --av-plum: #6f56ab;
    --av-slate: #3f6486;
    --av-moss: #567a44;
    --focus: #167c6c;
    --shadow: 0 1px 2px rgba(18,24,26,0.06), 0 8px 24px -12px rgba(18,24,26,0.18);
    color-scheme: light;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --paper: #0d1315;
      --surface: #131a1c;
      --ink: #e9efec;
      --ink-dim: #a3b0ac;
      --ink-faint: #6c7a76;
      --line: #24312e;
      --line-strong: #324340;
      --teal: #35b39d;
      --teal-ink: #06110f;
      --coral: #f0808a;
      --amber: #e0a94b;
      --murky: #c9a877;
      --av-teal: #2a9484;
      --av-coral: #b6535d;
      --av-amber: #9c6c26;
      --av-plum: #7d64b8;
      --av-slate: #4c7398;
      --av-moss: #5f8a4c;
      --focus: #35b39d;
      --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 28px -14px rgba(0,0,0,0.6);
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --paper: #0d1315;
    --surface: #131a1c;
    --ink: #e9efec;
    --ink-dim: #a3b0ac;
    --ink-faint: #6c7a76;
    --line: #24312e;
    --line-strong: #324340;
    --teal: #35b39d;
    --teal-ink: #06110f;
    --coral: #f0808a;
    --amber: #e0a94b;
    --murky: #c9a877;
    --av-teal: #2a9484;
    --av-coral: #b6535d;
    --av-amber: #9c6c26;
    --av-plum: #7d64b8;
    --av-slate: #4c7398;
    --av-moss: #5f8a4c;
    --focus: #35b39d;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 28px -14px rgba(0,0,0,0.6);
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Public Sans", -apple-system, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3, .brand-word, .display {
    font-family: "Bricolage Grotesque", "Public Sans", sans-serif;
    text-wrap: balance;
  }
  .mono {
    font-family: "IBM Plex Mono", ui-monospace, monospace;
    font-variant-numeric: tabular-nums;
  }
  a { color: inherit; }
  button { font: inherit; color: inherit; }
  :focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
  @media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  }

  .app {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 232px minmax(0, 600px) 336px;
    gap: 28px;
    align-items: start;
  }

  /* ---------- left rail ---------- */
  .rail-left {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 22px 8px 18px;
  }
  .brand { padding: 4px 10px 22px; }
  .brand-mark { display: flex; align-items: center; gap: 10px; }
  .brand-icon { width: 30px; height: 30px; flex: none; color: var(--teal); }
  .brand-word {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.02em;
  }
  .brand-tag {
    margin-top: 4px;
    font-size: 10.5px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-faint);
  }
  nav.primary-nav { display: flex; flex-direction: column; gap: 2px; }
  .nav-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 11px 12px;
    border-radius: 10px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 16px;
    color: var(--ink-dim);
  }
  .nav-item svg { width: 22px; height: 22px; flex: none; }
  .nav-item:hover { background: var(--surface); color: var(--ink); }
  .nav-item[aria-selected="true"] { color: var(--ink); font-weight: 600; }
  .nav-item[aria-selected="true"] svg { color: var(--teal); }
  .nav-badge {
    margin-left: auto;
    background: var(--coral);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 999px;
  }
  .compose-cta {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--teal);
    color: var(--teal-ink);
    border: none;
    border-radius: 999px;
    padding: 13px 18px;
    font-size: 15.5px;
    font-weight: 700;
    cursor: pointer;
  }
  .compose-cta svg { width: 18px; height: 18px; }
  .compose-cta:hover { filter: brightness(1.06); }
  .rail-left-foot {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
  }
  .account-chip { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
  .account-chip .who { min-width: 0; }
  .account-chip .name { font-weight: 700; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .account-chip .handle { font-size: 12px; color: var(--ink-faint); }
  .theme-toggle {
    width: 34px; height: 34px; border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--surface);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; flex: none;
  }
  .theme-toggle svg { width: 17px; height: 17px; color: var(--ink-dim); }

  /* ---------- avatars ---------- */
  .avatar {
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: "Bricolage Grotesque", sans-serif;
    font-weight: 700;
    color: #fff;
    flex: none;
    letter-spacing: -0.02em;
  }
  .av-teal { background: var(--av-teal); }
  .av-coral { background: var(--av-coral); }
  .av-amber { background: var(--av-amber); }
  .av-plum { background: var(--av-plum); }
  .av-slate { background: var(--av-slate); }
  .av-moss { background: var(--av-moss); }

  /* ---------- main / feed column ---------- */
  main.feed-col {
    min-width: 0;
    border-inline: 1px solid var(--line);
    min-height: 100vh;
    background: var(--paper);
  }
  .panel[hidden] { display: none; }
  .col-header {
    position: sticky;
    top: 0;
    z-index: 5;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
    padding: 14px 20px 12px;
  }
  .col-header h1 { margin: 0; font-size: 19px; font-weight: 800; }
  .col-sub { margin-top: 3px; font-size: 12px; color: var(--ink-faint); }
  .thread-header { display: flex; align-items: center; gap: 12px; }
  .thread-back-btn {
    flex: none; background: none; border: none; cursor: pointer;
    color: var(--ink); font-weight: 700; font-size: 14px; font-family: inherit;
    padding: 6px 10px; margin-left: -10px; border-radius: 999px;
  }
  .thread-back-btn:hover { background: var(--surface); }

  .composer { padding: 16px 20px; border-bottom: 8px solid var(--line); }
  .composer-row { display: flex; gap: 12px; }
  .composer textarea {
    width: 100%;
    resize: none;
    border: none;
    background: transparent;
    color: var(--ink);
    font-family: inherit;
    font-size: 16.5px;
    line-height: 1.45;
    min-height: 52px;
    outline: none;
  }
  .composer textarea::placeholder { color: var(--ink-faint); }
  .composer-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-top: 6px;
  }
  .composer-hint { font-size: 12px; color: var(--ink-faint); }
  .composer-foot-right { display: flex; align-items: center; gap: 14px; }
  .char-count { font-size: 12px; color: var(--ink-faint); }
  .char-count.is-low { color: var(--amber); }
  .char-count.is-over { color: var(--coral); }
  .btn-send {
    background: var(--teal);
    color: var(--teal-ink);
    border: none;
    border-radius: 999px;
    padding: 9px 20px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
  }
  .btn-send:disabled { opacity: 0.4; cursor: default; }

  .post { display: flex; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
  .post-avatar-col { display: flex; flex-direction: column; align-items: center; gap: 6px; flex: none; }
  .post-follow-btn {
    width: 26px; height: 26px; border-radius: 50%; flex: none;
    border: 1px solid var(--line-strong); background: var(--surface);
    display: flex; align-items: center; justify-content: center; cursor: pointer;
  }
  .post-follow-btn svg { width: 15px; height: 15px; color: var(--ink-faint); }
  .post-follow-btn:hover { border-color: var(--teal); }
  .post-follow-btn:hover svg { color: var(--teal); }
  .post-follow-btn[data-on="true"] { background: var(--teal); border-color: var(--teal); }
  .post-follow-btn[data-on="true"] svg { color: var(--teal-ink); }
  .post-body { min-width: 0; flex: 1; }
  .post-head { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
  .post-head .name { font-weight: 700; font-size: 14.5px; }
  .post-head .handle, .post-head .time { color: var(--ink-faint); font-size: 13px; }
  .post-text { margin: 3px 0 0; font-size: 15px; line-height: 1.5; }
  .post-clickzone { cursor: pointer; border-radius: 12px; margin: -3px -8px; padding: 3px 8px; }
  .post-clickzone:hover { background: var(--surface); }
  .post-media {
    margin-top: 10px; border-radius: 14px; overflow: hidden;
    border: 1px solid var(--line); background: var(--surface);
  }
  .post-media img, .post-media video { display: block; width: 100%; max-height: 360px; object-fit: cover; }
  .media-fallback { display: none; padding: 16px; font-size: 12.5px; color: var(--ink-faint); word-break: break-all; }
  .post-media.media-broken img, .post-media.media-broken video { display: none; }
  .post-media.media-broken .media-fallback { display: block; }
  .reply-item .post-media img, .reply-item .post-media video { max-height: 160px; }
  .promo-badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 11px; font-weight: 700; color: var(--amber);
    background: color-mix(in srgb, var(--amber) 16%, transparent);
    padding: 2px 9px; border-radius: 999px; letter-spacing: 0.02em;
  }
  .promo-badge svg { width: 11px; height: 11px; }
  .promo-cta {
    display: inline-flex; align-items: center; margin-top: 10px;
    border: 1px solid var(--line-strong); border-radius: 999px;
    padding: 7px 16px; font-size: 12.5px; font-weight: 700;
    color: var(--ink); text-decoration: none; cursor: pointer;
  }
  .promo-cta:hover { border-color: var(--teal); color: var(--teal); }
  .post-actions { display: flex; gap: 30px; margin-top: 10px; }
  .action-btn {
    display: flex; align-items: center; gap: 7px;
    background: none; border: none; cursor: pointer;
    color: var(--ink-faint); font-size: 13px;
    padding: 4px 0;
  }
  .action-btn .mono { font-size: 12.5px; }
  .action-btn svg { width: 17px; height: 17px; }
  .icon-flip { transform: rotate(180deg); }
  .action-btn.like:hover, .action-btn.like[data-on="true"] { color: var(--coral); }
  .action-btn.like[data-on="true"] svg { fill: color-mix(in srgb, var(--coral) 22%, transparent); stroke: var(--coral); }
  .action-btn.dislike:hover, .action-btn.dislike[data-on="true"] { color: var(--murky); }
  .action-btn.dislike[data-on="true"] svg { fill: color-mix(in srgb, var(--murky) 22%, transparent); stroke: var(--murky); }
  .action-btn.echo:hover, .action-btn.echo[data-on="true"] { color: var(--amber); }
  .action-btn.reply:hover { color: var(--teal); }

  .reply-block { margin-top: 10px; padding-left: 4px; border-left: 2px solid var(--line); }
  .reply-sort-label { font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); padding: 8px 0 2px 12px; }
  .reply-item { display: flex; gap: 9px; padding: 8px 0 8px 12px; }
  .reply-item .name { font-weight: 700; font-size: 13px; }
  .reply-item .handle, .reply-item .time, .reply-item-count { color: var(--ink-faint); font-size: 12px; }
  .reply-item p { margin: 2px 0 0; font-size: 13.5px; }
  .reply-clickzone { cursor: pointer; border-radius: 10px; margin: -3px -6px; padding: 3px 6px; }
  .reply-clickzone:hover { background: var(--surface); }
  .reply-blur-target { transition: filter 0.2s ease; }
  .reply-clickzone.is-blurred .reply-blur-target { filter: blur(5px); user-select: none; pointer-events: none; }
  .factcheck-badge {
    display: inline-flex; align-items: center; gap: 5px; margin-top: 8px;
    font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
  }
  .factcheck-badge svg { width: 12px; height: 12px; }
  .factcheck-true { color: var(--teal); background: color-mix(in srgb, var(--teal) 16%, transparent); }
  .factcheck-mostlyTrue { color: color-mix(in srgb, var(--teal) 65%, var(--amber) 35%); background: color-mix(in srgb, var(--teal) 12%, var(--amber) 6%); }
  .factcheck-halfTrue { color: var(--amber); background: color-mix(in srgb, var(--amber) 16%, transparent); }
  .factcheck-mostlyFalse { color: color-mix(in srgb, var(--amber) 45%, var(--coral) 55%); background: color-mix(in srgb, var(--amber) 8%, var(--coral) 12%); }
  .factcheck-false { color: var(--coral); background: color-mix(in srgb, var(--coral) 16%, transparent); }
  .standing-badge {
    display: inline-flex; align-items: center; gap: 4px; margin-left: 2px;
    font-size: 10.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; vertical-align: middle;
  }
  .standing-badge svg { width: 10px; height: 10px; }
  .standing-warned { color: var(--amber); background: color-mix(in srgb, var(--amber) 16%, transparent); }
  .standing-suspended { color: var(--coral); background: color-mix(in srgb, var(--coral) 16%, transparent); }
  .reply-actions-row { display: flex; align-items: center; gap: 14px; margin-top: 4px; }
  .reply-like-btn, .reply-dislike-btn {
    display: inline-flex; align-items: center; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 2px 0;
    color: var(--ink-faint); font-size: 11.5px;
  }
  .reply-like-btn svg, .reply-dislike-btn svg { width: 13px; height: 13px; }
  .reply-like-btn:hover, .reply-like-btn[data-on="true"] { color: var(--coral); }
  .reply-like-btn[data-on="true"] svg { fill: color-mix(in srgb, var(--coral) 22%, transparent); stroke: var(--coral); }
  .reply-dislike-btn:hover, .reply-dislike-btn[data-on="true"] { color: var(--murky); }
  .reply-dislike-btn[data-on="true"] svg { fill: color-mix(in srgb, var(--murky) 22%, transparent); stroke: var(--murky); }
  .reply-flag-btn {
    display: inline-flex; align-items: center; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 2px 0;
    color: var(--ink-faint); font-size: 11.5px;
  }
  .reply-flag-btn svg { width: 13px; height: 13px; }
  .reply-flag-btn:hover { color: var(--coral); }
  .reply-flag-btn[data-state="pending"] { color: var(--coral); }
  .reply-flag-btn[data-state="pending"] svg { fill: color-mix(in srgb, var(--coral) 20%, transparent); }
  .reply-flag-btn[data-state="rated"] { color: var(--ink-faint); opacity: 0.4; cursor: default; }
  .reply-flag-btn[data-state="rated"]:hover { color: var(--ink-faint); }
  .reply-form { display: none; flex-direction: column; gap: 8px; padding: 10px 0 2px 12px; }
  .reply-form.is-open { display: flex; }
  .reply-form-row { display: flex; gap: 8px; }
  .reply-form input {
    flex: 1; border: 1px solid var(--line-strong); background: var(--surface);
    color: var(--ink); border-radius: 999px; padding: 8px 14px; font-size: 13.5px; font-family: inherit;
  }
  .reply-form button {
    border: none; background: var(--teal); color: var(--teal-ink);
    border-radius: 999px; padding: 0 16px; font-weight: 700; font-size: 12.5px; cursor: pointer;
  }
  .system-notice {
    display: flex; align-items: flex-start; gap: 10px;
    background: color-mix(in srgb, var(--teal) 12%, var(--surface));
    border: 1px solid color-mix(in srgb, var(--teal) 35%, var(--line));
    border-radius: 10px; padding: 10px 14px; font-size: 13px; color: var(--ink-dim); line-height: 1.4;
  }
  .system-notice svg { width: 17px; height: 17px; color: var(--teal); flex: none; margin-top: 1px; }
  .system-notice b { color: var(--ink); font-size: 12.5px; }
  /* .mod-notice must come after .system-notice in source order: same specificity, and this
     coral override needs to win the cascade over the teal .system-notice defaults above. */
  .mod-notice { margin-top: 8px; background: color-mix(in srgb, var(--coral) 12%, var(--surface)); border-color: color-mix(in srgb, var(--coral) 38%, var(--line)); font-size: 12px; padding: 8px 12px; }
  .mod-notice svg { color: var(--coral); width: 15px; height: 15px; }
  .system-notice[hidden] { display: none; }
  #profileMembershipNotice { margin: 0 20px 20px; }

  .empty-state { padding: 40px 24px; text-align: center; color: var(--ink-faint); }

  /* ---------- explore ---------- */
  .search-wrap { padding: 14px 20px 6px; }
  .search-box {
    display: flex; align-items: center; gap: 10px;
    background: var(--surface); border: 1px solid var(--line);
    border-radius: 999px; padding: 10px 16px;
  }
  .search-box svg { width: 17px; height: 17px; color: var(--ink-faint); flex: none; }
  .search-box input { border: none; background: none; outline: none; color: var(--ink); font: inherit; width: 100%; }
  .explore-section-title {
    padding: 18px 20px 4px; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint);
  }
  .category-chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 4px 20px 14px; }
  .chip {
    border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-dim);
    padding: 7px 14px; border-radius: 999px; font-size: 13px; cursor: pointer;
  }
  .chip:hover { border-color: var(--teal); color: var(--ink); }
  .chip[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
  .trend-grid { display: grid; gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .trend-card { background: var(--paper); padding: 14px 20px; }
  .trend-card .cat { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint); }
  .trend-card .topic { font-weight: 700; font-size: 15px; margin-top: 2px; }
  .trend-card .vol { font-size: 12.5px; color: var(--ink-faint); margin-top: 2px; }

  /* ---------- local ---------- */
  .local-state-picker { display: flex; align-items: center; gap: 10px; padding: 16px 20px 4px; }
  .local-state-picker label { font-size: 13px; color: var(--ink-faint); }
  .local-state-picker select {
    border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
    border-radius: 999px; padding: 7px 14px; font: inherit; font-size: 13.5px; font-weight: 700; cursor: pointer;
  }
  .local-note {
    margin: 12px 20px 4px; padding: 10px 14px; border-radius: 10px;
    background: var(--surface); border: 1px solid var(--line);
    font-size: 12.5px; color: var(--ink-faint); line-height: 1.45;
  }

  /* ---------- notifications ---------- */
  .notif { display: flex; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
  .notif-icon {
    width: 34px; height: 34px; border-radius: 50%; flex: none;
    display: flex; align-items: center; justify-content: center;
  }
  .notif-icon svg { width: 17px; height: 17px; }
  .notif-icon.like { background: color-mix(in srgb, var(--coral) 16%, transparent); color: var(--coral); }
  .notif-icon.reply { background: color-mix(in srgb, var(--teal) 16%, transparent); color: var(--teal); }
  .notif-icon.follow { background: color-mix(in srgb, var(--av-plum) 18%, transparent); color: var(--av-plum); }
  .notif-icon.echo { background: color-mix(in srgb, var(--amber) 16%, transparent); color: var(--amber); }
  .notif-text { font-size: 14px; }
  .notif-text .name { font-weight: 700; }
  .notif-sub { font-size: 13px; color: var(--ink-dim); margin-top: 2px; }
  .notif-time { margin-left: auto; font-size: 12px; color: var(--ink-faint); flex: none; }

  /* ---------- profile ---------- */
  .profile-head { padding: 20px; border-bottom: 1px solid var(--line); }
  .profile-head .avatar { width: 68px; height: 68px; font-size: 26px; }
  .avatar-photo { border-radius: 50%; object-fit: cover; display: block; flex: none; background: var(--surface); }
  .profile-avatar-wrap { position: relative; width: fit-content; }
  .avatar-edit-btn {
    position: absolute; right: -4px; bottom: -4px; width: 28px; height: 28px; border-radius: 50%;
    border: 2px solid var(--surface); background: var(--teal); color: var(--teal-ink);
    display: flex; align-items: center; justify-content: center; cursor: pointer; padding: 0;
  }
  .avatar-edit-btn svg { width: 14px; height: 14px; }
  .avatar-edit-btn:hover { filter: brightness(1.05); }
  .avatar-upsell-note { margin-top: 8px; font-size: 12.5px; color: var(--ink-faint); }
  .avatar-upsell-note a { color: var(--teal); font-weight: 700; text-decoration: none; }
  .avatar-upsell-note a:hover { text-decoration: underline; }
  .avatar-upsell-note[hidden] { display: none; }
  .avatar-remove-btn {
    display: block; margin-top: 8px; background: none; border: none; color: var(--ink-faint);
    font-size: 12px; text-decoration: underline; cursor: pointer; padding: 0; font-family: inherit;
  }
  .avatar-remove-btn[hidden] { display: none; }
  .profile-name { font-size: 20px; font-weight: 800; margin-top: 12px; }
  .profile-handle { color: var(--ink-faint); font-size: 14px; }
  .profile-bio { margin-top: 10px; font-size: 14.5px; max-width: 46ch; }
  .profile-meta { margin-top: 10px; font-size: 13px; color: var(--ink-faint); }
  .profile-stats { display: flex; gap: 20px; margin-top: 12px; font-size: 13.5px; }
  .profile-stats b { color: var(--ink); font-weight: 700; }

  /* ---------- invite / help ---------- */
  .help-body { padding: 18px 20px 28px; max-width: 520px; }
  .help-blurb { font-size: 14px; color: var(--ink-dim); line-height: 1.5; margin: 0 0 14px; }
  .copy-link-row { display: flex; gap: 8px; }
  .copy-link-input {
    flex: 1; min-width: 0; border: 1px solid var(--line-strong); background: var(--surface);
    color: var(--ink-dim); border-radius: 999px; padding: 10px 16px; font-size: 13.5px;
    font-family: 'IBM Plex Mono', monospace;
  }
  .copy-link-btn {
    flex: none; border: none; background: var(--teal); color: var(--teal-ink);
    border-radius: 999px; padding: 0 18px; font-weight: 700; font-size: 13.5px; cursor: pointer;
  }
  .copy-link-btn:hover { filter: brightness(1.05); }
  .copy-feedback { margin-top: 10px; font-size: 12.5px; color: var(--teal); }
  .copy-feedback[hidden] { display: none; }
  .faq-list { display: flex; flex-direction: column; gap: 2px; margin-bottom: 26px; }
  .faq-item {
    border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; background: var(--surface);
  }
  .faq-item + .faq-item { margin-top: 8px; }
  .faq-item summary {
    cursor: pointer; font-weight: 700; font-size: 14px; list-style: none;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::before { content: "+ "; color: var(--teal); font-weight: 800; }
  .faq-item[open] summary::before { content: "\2212 "; }
  .faq-item p { margin: 8px 0 0; font-size: 13.5px; color: var(--ink-dim); line-height: 1.5; }
  .help-contact h2 { font-size: 15px; margin: 0 0 6px; }

  /* ---------- membership ---------- */
  .membership-body { padding: 18px 20px 32px; }
  .pricing-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px; margin-bottom: 30px;
  }
  .price-card {
    border: 1px solid var(--line); border-radius: 16px; background: var(--surface);
    padding: 18px 16px; display: flex; flex-direction: column; position: relative;
  }
  .price-card.is-current { border-color: var(--teal); box-shadow: 0 0 0 1px var(--teal); }
  .price-card-badge {
    position: absolute; top: -10px; left: 16px; background: var(--teal); color: var(--teal-ink);
    font-size: 10.5px; font-weight: 800; letter-spacing: 0.03em; text-transform: uppercase;
    padding: 3px 10px; border-radius: 999px;
  }
  .price-card-badge.price-card-badge-pending { background: var(--amber); }
  .price-name { font-size: 15px; font-weight: 800; margin-top: 4px; }
  .price-amount { font-size: 26px; font-weight: 800; margin-top: 10px; letter-spacing: -0.02em; }
  .price-amount span { font-size: 13px; font-weight: 600; color: var(--ink-faint); }
  .price-period { font-size: 11.5px; color: var(--ink-faint); margin-top: 1px; }
  .price-tagline { font-size: 12.5px; color: var(--ink-dim); margin-top: 8px; line-height: 1.4; min-height: 34px; }
  .price-features { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 7px; flex: 1; }
  .price-features li { font-size: 12.5px; color: var(--ink-dim); display: flex; gap: 7px; line-height: 1.4; }
  .price-features li svg { width: 14px; height: 14px; flex: none; margin-top: 2px; color: var(--teal); }
  .price-note { font-size: 11px; color: var(--ink-faint); margin-top: 10px; font-style: italic; }
  .price-cta {
    margin-top: 16px; border-radius: 999px; padding: 9px 0; font-weight: 700; font-size: 13px;
    cursor: pointer; border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
  }
  .price-cta:hover { background: var(--paper); }
  .price-cta.is-primary { background: var(--teal); color: var(--teal-ink); border-color: var(--teal); }
  .price-cta.is-primary:hover { filter: brightness(1.05); }
  .price-cta[disabled] { cursor: default; opacity: 0.7; }
  .creator-info {
    border: 1px solid var(--line); border-radius: 16px; background: var(--surface); padding: 18px 20px;
  }
  .creator-info h2 { font-size: 15px; margin: 0 0 4px; }
  .creator-steps { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
  .creator-steps li { display: flex; gap: 10px; font-size: 13px; color: var(--ink-dim); line-height: 1.45; }
  .creator-step-num {
    flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--paper);
    border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 800; color: var(--ink-dim);
  }
  .creator-apply-row { margin-top: 16px; display: flex; align-items: center; gap: 12px; }
  .creator-apply-row[hidden] { display: none; }
  .creator-apply-btn {
    border: none; background: var(--teal); color: var(--teal-ink); border-radius: 999px;
    padding: 9px 18px; font-weight: 700; font-size: 13px; cursor: pointer;
  }
  .creator-apply-btn:hover { filter: brightness(1.05); }
  .creator-apply-btn[disabled] { cursor: default; opacity: 0.7; filter: none; }
  #membershipNotice { margin-top: 14px; max-width: 460px; }
  .price-cta.is-danger { background: var(--coral); color: #fff; border-color: var(--coral); }
  .price-cta.is-danger:hover { filter: brightness(1.05); }

  /* ---------- manage membership (cancel) ---------- */
  .manage-membership {
    margin: 18px 20px 20px; padding: 16px 18px; border: 1px solid var(--line);
    border-radius: 14px; background: var(--surface);
  }
  .manage-membership[hidden] { display: none; }
  .manage-membership-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
  .manage-membership-title { font-weight: 700; font-size: 14px; }
  .manage-membership-sub { font-size: 12.5px; color: var(--ink-dim); margin-top: 4px; max-width: 420px; line-height: 1.45; }
  .manage-membership .price-cta { flex: none; white-space: nowrap; margin-top: 0; }

  /* ---------- creator earnings / payout ---------- */
  .creator-earnings {
    margin: 18px 0 0; padding: 16px 18px; border: 1px solid var(--line);
    border-radius: 14px; background: var(--paper);
  }
  .creator-earnings[hidden] { display: none; }
  .creator-earnings .price-cta { flex: none; white-space: nowrap; margin-top: 0; }

  /* ---------- checkout / confirm modals ---------- */
  .modal-overlay {
    position: fixed; inset: 0; background: color-mix(in srgb, #0a0e0f 55%, transparent);
    display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
  }
  .modal-overlay[hidden] { display: none; }
  .modal-card {
    background: var(--surface); border-radius: 18px; max-width: 380px; width: 100%;
    padding: 22px 22px 20px; box-shadow: var(--shadow); position: relative;
  }
  .modal-close-btn {
    position: absolute; top: 14px; right: 14px; background: none; border: none;
    cursor: pointer; color: var(--ink-faint); padding: 4px; display: flex;
  }
  .modal-close-btn svg { width: 18px; height: 18px; }
  .modal-close-btn:hover { color: var(--ink); }
  .modal-title { font-size: 17px; font-weight: 800; margin: 0 0 6px; padding-right: 20px; }
  .modal-sub { font-size: 12.5px; color: var(--ink-dim); line-height: 1.5; margin: 0 0 16px; }
  .checkout-summary {
    display: flex; justify-content: space-between; align-items: baseline; padding: 12px 14px;
    border-radius: 12px; background: var(--paper); border: 1px solid var(--line); margin-bottom: 16px; font-size: 13.5px;
  }
  .checkout-summary b { font-size: 19px; }
  .checkout-field { margin-bottom: 12px; }
  .checkout-field label {
    display: block; font-size: 11px; color: var(--ink-faint); margin-bottom: 4px;
    text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700;
  }
  .checkout-field input {
    width: 100%; border: 1px solid var(--line-strong); background: var(--paper); color: var(--ink);
    border-radius: 10px; padding: 10px 12px; font-size: 14px; font-family: inherit;
  }
  .checkout-row-2 { display: flex; gap: 10px; }
  .checkout-row-2 .checkout-field { flex: 1; }
  .checkout-pay-btn {
    width: 100%; border: none; background: var(--teal); color: var(--teal-ink); border-radius: 999px;
    padding: 11px 0; font-weight: 700; font-size: 14.5px; cursor: pointer; margin-top: 4px;
  }
  .checkout-pay-btn:hover { filter: brightness(1.05); }
  .checkout-pay-btn[disabled] { opacity: 0.55; cursor: default; filter: none; }
  .checkout-disclaimer { font-size: 11px; color: var(--ink-faint); text-align: center; margin-top: 12px; line-height: 1.4; }
  .checkout-lock-row { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--ink-faint); margin-top: 10px; justify-content: center; }
  .checkout-lock-row svg { width: 12px; height: 12px; }
  .cancel-actions { display: flex; gap: 10px; margin-top: 4px; }
  .cancel-actions .price-cta { flex: 1; margin-top: 0; }

  /* ---------- admin (membership approval queue) ---------- */
  .admin-body { padding: 6px 20px 32px; }
  .admin-queue { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
  .admin-row {
    display: flex; align-items: center; gap: 14px; padding: 14px 16px; flex-wrap: wrap;
    border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
  }
  .admin-row .who { min-width: 120px; }
  .admin-row .name { font-weight: 700; font-size: 13.5px; }
  .admin-row .handle { font-size: 12px; color: var(--ink-faint); }
  .admin-meta { display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: var(--ink-dim); flex: 1; min-width: 140px; }
  .admin-actions { display: flex; gap: 8px; margin-left: auto; }
  .admin-approve-btn, .admin-reject-btn {
    border-radius: 999px; padding: 7px 14px; font-size: 12.5px; font-weight: 700; cursor: pointer;
    border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
  }
  .admin-approve-btn { background: var(--teal); color: var(--teal-ink); border-color: var(--teal); }
  .admin-approve-btn:hover { filter: brightness(1.05); }
  .admin-reject-btn:hover { border-color: var(--coral); color: var(--coral); }
  .admin-status-badge {
    margin-left: auto; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; flex: none;
  }
  .admin-status-approved { color: var(--teal); background: color-mix(in srgb, var(--teal) 16%, transparent); }
  .admin-status-rejected { color: var(--coral); background: color-mix(in srgb, var(--coral) 16%, transparent); }

  /* ---------- right rail ---------- */
  .rail-right { position: sticky; top: 20px; padding-top: 20px; display: flex; flex-direction: column; gap: 20px; }
  .rr-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
  .rr-card h2 { font-size: 16px; padding: 14px 16px 10px; margin: 0; }
  .rr-search { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 10px 15px; }
  .rr-search svg { width: 16px; height: 16px; color: var(--ink-faint); }
  .rr-search input { border: none; background: none; outline: none; color: var(--ink); font: inherit; width: 100%; }
  .rr-trend { padding: 9px 16px; border-top: 1px solid var(--line); cursor: default; }
  .rr-trend .cat { font-size: 11px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.06em; }
  .rr-trend .topic { font-weight: 700; font-size: 14px; margin-top: 1px; }
  .rr-trend .vol { font-size: 12px; color: var(--ink-faint); }
  .rr-follow { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-top: 1px solid var(--line); }
  .rr-follow .who { min-width: 0; flex: 1; }
  .rr-follow .name { font-weight: 700; font-size: 13.5px; }
  .rr-follow .handle, .rr-follow .bio { font-size: 12px; color: var(--ink-faint); }
  .rr-follow .bio { margin-top: 1px; }
  .follow-btn {
    border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
    border-radius: 999px; padding: 7px 14px; font-size: 12.5px; font-weight: 700; cursor: pointer; flex: none;
  }
  .follow-btn[data-on="true"] { background: transparent; color: var(--ink); }
  .rr-foot { padding: 12px 16px 16px; font-size: 11.5px; color: var(--ink-faint); }
  .rr-foot a { text-decoration: none; border-bottom: 1px dotted var(--ink-faint); }

  /* ---------- responsive ---------- */
  @media (max-width: 1100px) {
    .app { grid-template-columns: 84px minmax(0, 600px); }
    .rail-right { display: none; }
    .brand-tag, .nav-label, .compose-cta .cta-label, .account-chip .who, .brand-word { display: none; }
    .nav-item { justify-content: center; }
    .compose-cta { padding: 13px; }
    .brand { display: flex; justify-content: center; padding: 4px 0 22px; }
  }
  @media (max-width: 680px) {
    .app { grid-template-columns: 68px minmax(0, 1fr); padding: 0; gap: 0; }
    main.feed-col { border-inline: none; }
    .rail-left { padding: 18px 6px 14px; }
    .nav-item { padding: 11px 8px; }
    .account-chip .avatar { width: 32px; height: 32px; }
    .theme-toggle { width: 30px; height: 30px; }
    .rail-left-foot { flex-direction: column; gap: 10px; padding: 10px 0 0; }
  }

  .visually-hidden {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
  }

  /* ---------- test-code gate (private testing phase only) ---------- */
  .test-gate-overlay {
    position: fixed; inset: 0; z-index: 500; background: var(--paper);
    display: flex; align-items: center; justify-content: center; padding: 20px;
  }
  .test-gate-overlay[hidden] { display: none; }
  .test-gate-card {
    max-width: 380px; width: 100%; background: var(--surface); border: 1px solid var(--line);
    border-radius: 18px; padding: 28px 26px 24px; box-shadow: var(--shadow); text-align: center;
  }
  .test-gate-icon { width: 34px; height: 34px; color: var(--teal); margin: 0 auto 12px; }
  .test-gate-card h1 { font-size: 19px; margin: 0 0 6px; }
  .test-gate-sub { font-size: 13px; color: var(--ink-dim); line-height: 1.5; margin: 0 0 20px; }
  .test-gate-field { text-align: left; margin-bottom: 6px; }
  .test-gate-field label {
    display: block; font-size: 11px; color: var(--ink-faint); margin-bottom: 5px;
    text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700;
  }
  .test-gate-field input {
    width: 100%; border: 1px solid var(--line-strong); background: var(--paper); color: var(--ink);
    border-radius: 10px; padding: 11px 13px; font-size: 15px; font-family: inherit; text-align: center;
    letter-spacing: 0.04em;
  }
  .test-gate-error {
    font-size: 12.5px; color: var(--coral); text-align: left; margin: 8px 0 0; min-height: 1px;
  }
  .test-gate-submit {
    width: 100%; border: none; background: var(--teal); color: var(--teal-ink); border-radius: 999px;
    padding: 11px 0; font-weight: 700; font-size: 14.5px; cursor: pointer; margin-top: 16px;
  }
  .test-gate-submit:hover { filter: brightness(1.05); }
  .test-gate-foot { font-size: 11px; color: var(--ink-faint); margin-top: 16px; line-height: 1.4; }