/* Book Studio authentication, registration and access request UX */
main.studio-auth-main,
main:has(.studio-auth-gate),
main:has(.reader-access-gate) {
  min-height: calc(100vh - 72px);
  background:
    linear-gradient(90deg, rgba(247,244,237,.74) 0%, rgba(247,244,237,.67) 44%, rgba(247,244,237,.53) 72%, rgba(247,244,237,.45) 100%),
    url('/assets/book-learning-soft-background.svg') center / cover no-repeat;
}

.studio-auth-gate {
  max-width: 1080px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 480px);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding-top: 54px;
  padding-bottom: 70px;
}
.studio-auth-gate h1 {
  max-width: 620px;
  margin: 0 0 18px;
  font: 600 clamp(46px, 6vw, 72px)/.98 var(--serif);
  letter-spacing: -.045em;
  text-shadow: 0 1px 0 rgba(255,255,255,.55);
}
.studio-auth-copy > p {
  max-width: 620px;
  margin: 0;
  color: #565950;
  font-size: 15px;
  line-height: 1.75;
  text-shadow: 0 1px 0 rgba(255,255,255,.45);
}
.studio-auth-copy strong { color: var(--ink); }
.auth-card {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 24px;
  border: 1px solid rgba(181,169,148,.42);
  border-radius: 20px;
  background: rgba(255,255,252,.86);
  box-shadow: 0 26px 76px rgba(67,55,37,.16);
  backdrop-filter: blur(18px) saturate(1.04);
  -webkit-backdrop-filter: blur(18px) saturate(1.04);
}
.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 5px;
  border-radius: 12px;
  background: rgba(238,236,229,.88);
}
.auth-tab {
  min-height: 40px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: #6c6c65;
  font: 800 12px/1 var(--sans);
  cursor: pointer;
}
.auth-tab.is-active {
  background: rgba(255,255,255,.94);
  color: #20231e;
  box-shadow: 0 2px 10px rgba(41,44,38,.08);
}
.auth-pane { display: grid; gap: 3px; padding-top: 10px; }
.auth-pane[hidden] { display: none !important; }
.auth-pane .field { margin-bottom: 10px; }
.auth-pane .field > span small { color: #98988f; font-size: 9px; font-weight: 600; }
.auth-pane .field input {
  background: rgba(251,250,246,.86);
}
.auth-inline-row { display: flex; justify-content: flex-end; margin: -2px 0 6px; }
.auth-link {
  padding: 0;
  border: 0;
  background: transparent;
  color: #44594b;
  font: 800 11px/1.2 var(--sans);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.auth-primary { width: 100%; min-height: 46px; border: 0; cursor: pointer; }
.auth-divider { display: flex; align-items: center; gap: 10px; margin: 8px 0; color: #9a9a91; font-size: 10px; }
.auth-divider::before, .auth-divider::after { content: ''; height: 1px; flex: 1; background: #e0ded6; }
.auth-card .secondary-button { width: 100%; background: rgba(255,255,255,.55); }
.auth-role-note { margin: 7px 0 0; color: #74766f; font-size: 10px; line-height: 1.6; }
.auth-feedback { min-height: 18px; margin: 2px 0 0; color: #6d6f68; font-size: 11px; line-height: 1.5; }
.auth-feedback.error { color: #9c4238; }
.auth-feedback.success { color: #356042; }

.reader-access-gate {
  max-width: 820px;
  padding-top: 74px;
  padding-bottom: 90px;
}
.reader-access-gate > p { max-width: 700px; }
.access-request-action {
  display: grid;
  gap: 10px;
  max-width: 640px;
  margin: 26px 0 18px;
  padding: 20px;
  border: 1px solid rgba(181,169,148,.38);
  border-radius: 16px;
  background: rgba(255,255,252,.79);
  box-shadow: 0 18px 46px rgba(67,55,37,.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.access-request-action .primary-button {
  width: max-content;
  min-height: 46px;
  border: 0;
  cursor: pointer;
}
.access-request-action .primary-button:disabled {
  cursor: default;
  opacity: .7;
}
.access-request-action span { color: #6d6f68; font-size: 11px; line-height: 1.6; }
.reader-access-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.reader-access-actions .secondary-button { width: auto; background: rgba(255,255,255,.62); }

.access-request-admin-panel {
  margin: 4px 0 24px;
  overflow: hidden;
  border: 1px solid var(--line, #deddd6);
  border-radius: 16px;
  background: rgba(255,255,252,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.access-request-admin-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  background: rgba(245,243,237,.86);
  border-bottom: 1px solid var(--line, #deddd6);
}
.access-request-admin-head h2 { margin: 4px 0 0; font: 600 28px/1.05 var(--serif); }
.access-request-count {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: #e5e9e3;
  color: #3d5144;
  font-size: 10px;
  font-weight: 800;
}
.access-request-list { display: grid; }
.access-request-row {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) minmax(220px, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 16px 20px;
  border-top: 1px solid #eceae4;
}
.access-request-row:first-child { border-top: 0; }
.access-request-row > div:not(.access-request-actions) { display: grid; gap: 3px; min-width: 0; }
.access-request-row strong, .access-request-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.access-request-row span, .access-request-row small { color: #777870; font-size: 11px; }
.access-request-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.access-request-actions .primary-button, .access-request-actions .secondary-button { min-height: 38px; padding: 0 12px; font-size: 10px; }
.access-request-empty { margin: 0; padding: 18px 20px; color: #74766f; font-size: 12px; }

@media (max-width: 900px) {
  main.studio-auth-main,
  main:has(.studio-auth-gate),
  main:has(.reader-access-gate) {
    background:
      linear-gradient(rgba(247,244,237,.78), rgba(247,244,237,.84)),
      url('/assets/book-learning-soft-background.svg') 60% center / cover no-repeat;
  }
  .studio-auth-gate { grid-template-columns: 1fr; gap: 28px; max-width: 680px; align-items: start; }
  .studio-auth-copy > p { max-width: 580px; }
  .access-request-row { grid-template-columns: 1fr; }
  .access-request-actions { justify-content: flex-start; }
}

@media (max-width: 620px) {
  main.studio-auth-main,
  main:has(.studio-auth-gate),
  main:has(.reader-access-gate) { min-height: calc(100vh - 64px); }
  .studio-auth-gate { min-height: 0; padding-top: 34px; padding-bottom: 48px; }
  .studio-auth-gate h1 { font-size: clamp(40px, 13vw, 54px); }
  .studio-auth-copy > p { font-size: 13px; }
  .auth-card { padding: 18px; border-radius: 16px; background: rgba(255,255,252,.91); }
  .reader-access-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .reader-access-actions .secondary-button { width: 100%; }
  .access-request-action .primary-button { width: 100%; }
  .access-request-admin-head { align-items: flex-start; flex-direction: column; }
}