:root {
  color-scheme: light;
  --paper: #f8f1e6;
  --cream: #fffaf2;
  --ink: #293d36;
  --muted: #65756f;
  --green: #2f6f5d;
  --coral: #ef765d;
  --yellow: #f1bd62;
  --line: rgba(41, 61, 54, .13);
  --shadow: 0 24px 70px rgba(75, 57, 35, .1);
  font-family: Inter, ui-rounded, "SF Pro Rounded", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; }
[hidden] { display: none !important; }
.shell { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(248, 241, 230, .94); }
.nav { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 18px; font-weight: 800; }
.brand-mark { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 14px; background: var(--green); color: #fff; box-shadow: 0 8px 24px rgba(47, 111, 93, .24); }
.brand-mark::before { content: "Ч"; font-size: 22px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 700; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--green); }
.nav-link[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--coral); text-decoration-thickness: 3px; text-underline-offset: 8px; }
.nav-primary { min-height: 44px; padding: 0 18px; border-radius: 14px; background: var(--green); color: #fff; display: inline-flex; align-items: center; }
.nav-primary:hover, .nav-primary[aria-current="page"] { background: #255a4c; color: #fff; text-decoration: none; }
.nav-auth, .button-plain, .text-button { font: inherit; cursor: pointer; }
.nav-auth { min-height: 42px; padding: 0 17px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.72); color: var(--green); font-size: 14px; font-weight: 800; }
.nav-auth:hover { background: #fff; }
.nav-link:focus-visible, .brand:focus-visible, .nav-auth:focus-visible, .chip:focus-visible, .text-button:focus-visible, .button-plain:focus-visible, .secondary-button:focus-visible, .history-action:focus-visible, .dialog-close:focus-visible, .footer-line a:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }

.page-main { min-height: calc(100vh - 170px); padding: 70px 0 96px; }
.page-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .65fr); align-items: end; gap: 58px; margin-bottom: 32px; }
h1 { max-width: 780px; margin: 0; font-size: clamp(42px, 5.4vw, 64px); line-height: 1.02; letter-spacing: -.05em; text-wrap: balance; }
.page-intro { max-width: 710px; margin: 22px 0 0; color: var(--muted); font-size: 19px; line-height: 1.65; }
.catalog-note { margin: 0; padding: 22px 24px; border-radius: 22px; background: #e0ebdd; color: #436159; line-height: 1.55; }
.chips { display: flex; gap: 9px; flex-wrap: wrap; margin: 24px 0 30px; }
.chip { display: inline-flex; align-items: center; min-height: 40px; padding: 0 15px; border: 1px solid var(--line); border-radius: 999px; background: #fffaf2; color: var(--muted); font: inherit; font-size: 14px; font-weight: 750; text-decoration: none; cursor: pointer; }
.chip:hover { border-color: rgba(47,111,93,.4); color: var(--green); }
.chip[aria-pressed="true"], .chip.is-active { border-color: var(--green); background: var(--green); color: #fff; }
.empty-state, .loading-state, .error-state { padding: 28px; border: 1px dashed rgba(47,111,93,.3); border-radius: 20px; color: var(--muted); text-align: center; line-height: 1.6; }
.error-state { border-color: rgba(239,118,93,.4); background: #fff6f2; color: #a94635; }

.book-list { display: grid; margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.book-row { display: grid; grid-template-columns: minmax(190px, .75fr) minmax(240px, 1fr) minmax(280px, 1.4fr); gap: 28px; padding: 26px 6px; border-bottom: 1px solid var(--line); }
.book-meta { align-self: start; }
.book-pages { display: block; margin-bottom: 7px; color: var(--coral); font-size: 13px; font-weight: 850; text-transform: uppercase; letter-spacing: .045em; }
.book-author { color: var(--green); font-size: 15px; font-weight: 750; }
.book-row h2 { margin: 0; font-size: 21px; line-height: 1.3; letter-spacing: -.02em; }
.book-summary { margin: 0; color: var(--muted); line-height: 1.6; }
.catalog-more { display: flex; justify-content: center; margin-top: 30px; }
.button-plain { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; padding: 0 22px; border: 0; border-radius: 17px; background: #229ed9; color: #fff; font-weight: 800; box-shadow: 0 12px 28px rgba(34,158,217,.2); }
.button-plain:hover { background: #168bc2; }

.account-heading { margin-bottom: 30px; }
.account-panel { padding: 34px; border: 1px solid var(--line); border-radius: 30px; background: rgba(255,255,255,.72); box-shadow: var(--shadow); }
.account-prompt { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 34px; }
.account-prompt h2, .account-user h2, .profile-card h2 { margin: 0 0 9px; font-size: 25px; letter-spacing: -.025em; }
.account-prompt p, .account-user p, .profile-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.auth-note { margin-top: 18px !important; font-size: 13px; }
.account-user { margin-bottom: 28px; }
.history-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.summary-card { padding: 19px; border-radius: 20px; background: #f3eadb; }
.summary-card strong { display: block; margin-bottom: 4px; font-size: 25px; }
.summary-card span { color: var(--muted); font-size: 13px; }
.history-list { display: grid; gap: 12px; margin-top: 20px; }
.history-row { display: grid; grid-template-columns: minmax(260px,1.5fr) minmax(115px,.48fr) minmax(125px,.52fr) minmax(170px,.7fr); gap: 24px; align-items: center; padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.history-book strong { display: block; margin-bottom: 4px; }
.history-book span, .history-stat span { display: block; color: var(--muted); font-size: 13px; line-height: 1.45; }
.history-book .history-author { margin-bottom: 3px; color: var(--green); font-weight: 700; }
.history-stat strong { display: block; margin-bottom: 3px; font-size: 17px; }
.history-activities { display: grid; gap: 6px; }
.history-activity { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 14px; align-items: baseline; }
.history-activity span { color: var(--muted); font-size: 14px; }
.history-activity strong { font-size: 15px; }
.history-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 11px; }
.history-action { min-height: 32px; padding: 0 10px; border: 1px solid var(--line); border-radius: 10px; background: #fffaf2; color: var(--green); font: inherit; font-size: 12px; font-weight: 800; cursor: pointer; }
.history-action:hover { background: #eef5ef; }
.history-action.is-danger { color: #a94635; }
.history-action.is-danger:hover { background: #fff1ec; }

.profile-wrap { max-width: 720px; }
.auth-page { max-width: 980px; }
.auth-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.auth-form { display: grid; gap: 16px; margin-top: 24px; }
.auth-form label { display: grid; gap: 8px; color: var(--muted); font-size: 14px; font-weight: 750; }
.auth-form input, .auth-form select { width: 100%; min-height: 52px; padding: 0 15px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--ink); font: inherit; }
.auth-form input:focus, .auth-form select:focus { outline: 3px solid rgba(242,196,122,.65); border-color: var(--green); }
.auth-form .button-plain { width: 100%; }
.form-error { margin: 0; color: #a94635; font-size: 14px; line-height: 1.45; }
.auth-divider { display: flex; align-items: center; gap: 12px; margin: 22px 0; color: var(--muted); font-size: 13px; }
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.telegram-button { background: #229ed9; text-decoration: none; }
.profile-connect { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.profile-card { margin-top: 32px; padding: 34px; border: 1px solid var(--line); border-radius: 30px; background: rgba(255,255,255,.72); box-shadow: var(--shadow); }
.profile-actions { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.profile-caption { color: var(--muted); font-size: 14px; }
.text-button { min-height: 46px; padding: 0 18px; border: 1px solid rgba(239,118,93,.3); border-radius: 14px; background: #fff6f2; color: #a94635; font-weight: 800; }
.text-button:hover { background: #fde7df; }
.secondary-button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0 17px; border: 1px solid var(--line); border-radius: 14px; background: #fff; color: var(--green); font: inherit; font-weight: 800; cursor: pointer; }
.secondary-button:hover { background: #eef5ef; }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.children-list { display: grid; gap: 10px; margin-top: 24px; }
.child-row { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 20px; padding: 18px; border: 1px solid var(--line); border-radius: 17px; background: #fff; }
.child-row strong { display: block; margin-bottom: 4px; }
.child-row span { color: var(--muted); font-size: 14px; }
.child-actions { display: flex; gap: 8px; }
.child-form { margin-top: 26px; padding-top: 24px; border-top: 1px solid var(--line); }
.child-form h3 { margin: 0; font-size: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { display: flex; gap: 10px; }
.form-actions .button-plain { min-width: 150px; width: auto; }
.edit-dialog { width: min(540px, calc(100% - 28px)); padding: 0; border: 0; border-radius: 24px; background: var(--cream); color: var(--ink); box-shadow: 0 30px 100px rgba(24,43,36,.28); }
.edit-dialog::backdrop { background: rgba(22,38,33,.48); backdrop-filter: blur(3px); }
.edit-dialog form { margin: 0; padding: 28px; }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.dialog-heading h2 { margin: 0; font-size: 25px; }
.dialog-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #efe5d7; color: var(--ink); font: inherit; font-size: 26px; cursor: pointer; }
.site-footer { padding: 0 0 36px; }
.footer-line { display: flex; justify-content: space-between; gap: 24px; padding-top: 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 860px) {
  .page-heading { grid-template-columns: 1fr; gap: 28px; }
  .book-row { grid-template-columns: minmax(170px, .75fr) 1.5fr; gap: 18px 28px; }
  .book-summary { grid-column: 1 / -1; }
  .history-summary { grid-template-columns: 1fr 1fr; }
  .history-row { grid-template-columns: 1fr 1fr; }
  .history-book { grid-column: 1 / -1; }
  .history-activities { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 24px, 1120px); }
  .nav { min-height: 76px; align-items: flex-start; flex-direction: column; padding: 14px 0 16px; gap: 13px; }
  .nav-links { width: 100%; justify-content: space-between; gap: 12px; overflow-x: auto; }
  .nav-link { white-space: nowrap; }
  .nav-auth { position: absolute; top: 14px; right: 12px; }
  .page-main { padding: 48px 0 72px; }
  h1 { font-size: clamp(38px, 12vw, 52px); }
  .page-intro { font-size: 17px; }
  .book-row { grid-template-columns: 1fr; gap: 10px; padding: 22px 2px; }
  .book-summary { grid-column: auto; }
  .account-panel, .profile-card { padding: 24px 18px; }
  .account-prompt { grid-template-columns: 1fr; }
  .button-plain { width: 100%; }
  .history-summary { grid-template-columns: 1fr; }
  .history-row { grid-template-columns: 1fr; gap: 18px; }
  .history-book, .history-activities { grid-column: auto; }
  .history-action { flex: 1; }
  .profile-actions, .footer-line { align-items: flex-start; flex-direction: column; }
  .auth-grid { grid-template-columns: 1fr; }
  .card-heading, .child-row { align-items: stretch; grid-template-columns: 1fr; flex-direction: column; }
  .child-actions { width: 100%; }
  .child-actions button { flex: 1; }
  .form-grid { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; }
  .form-actions .button-plain { width: 100%; }
}