/* Books Counter — оформление. Светлая и тёмная тема через prefers-color-scheme. */

:root {
  --bg: #f6f6f4;
  --bg-elevated: #ffffff;
  --bg-sunken: #eceae5;
  --text: #1b1a17;
  --text-muted: #6b6862;
  --border: #dedbd4;
  --border-strong: #c8c4ba;
  --accent: #b8542f;
  --accent-soft: #f5e2d9;
  --accent-text: #ffffff;
  --ok: #3f7d52;
  --ok-soft: #e2efe5;
  --debt: #b0442f;
  --debt-soft: #f8e0da;
  --danger: #b3261e;
  --cell: #e2dfd8;
  --cell-border: #cfcbc2;
  --shadow: 0 1px 2px rgba(24, 22, 18, .06), 0 8px 24px rgba(24, 22, 18, .06);
  --radius: 14px;
  --radius-sm: 9px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14130f;
    --bg-elevated: #1d1b17;
    --bg-sunken: #100f0c;
    --text: #edeae3;
    --text-muted: #9c968b;
    --border: #302d27;
    --border-strong: #423e36;
    --accent: #e0784b;
    --accent-soft: #3a2318;
    --accent-text: #17140f;
    --ok: #6bb383;
    --ok-soft: #1c2f22;
    --debt: #e08262;
    --debt-soft: #3a1f19;
    --danger: #e5645a;
    --cell: #2a2721;
    --cell-border: #3a352d;
    --shadow: 0 1px 2px rgba(0, 0, 0, .5), 0 10px 28px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "tnum" 1;
  min-height: 100vh;
}

h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
a { color: inherit; }

/* --- Верхняя панель ------------------------------------------------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 700; }
.brand__mark {
  width: 20px; height: 20px; border-radius: 5px;
  background: linear-gradient(150deg, var(--accent), color-mix(in srgb, var(--accent) 55%, #7a3f8c));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18);
}
.brand__text { font-size: 15px; }

.topbar__right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }

.sync {
  font-size: 12px;
  color: var(--text-muted);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.sync[data-state="syncing"] { color: var(--accent); border-color: var(--accent); }
.sync[data-state="ok"] { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); }
.sync[data-state="error"] { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }

.account { display: flex; align-items: center; gap: 8px; }
.account__user { display: flex; align-items: center; gap: 8px; }
.account__avatar { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; }
.account__avatar--empty {
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  font-size: 12px; font-weight: 700;
}
.account__email { font-size: 13px; color: var(--text-muted); max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Кнопки --------------------------------------------------------------- */
.btn {
  font: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  padding: 8px 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: background .12s ease, border-color .12s ease, transform .06s ease;
}
.btn:hover { border-color: var(--text-muted); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, .cell:focus-visible, .iconbtn:focus-visible, .field__input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn--primary:hover { background: color-mix(in srgb, var(--accent) 88%, #000); }
.btn--ghost { background: transparent; border-color: var(--border); }
.btn--danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: transparent; }
.btn--danger:hover { background: color-mix(in srgb, var(--danger) 12%, transparent); }
.btn--sm { padding: 5px 10px; font-size: 13px; }

.iconbtn {
  font: inherit;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  font-size: 16px;
}
.iconbtn:hover { color: var(--text); border-color: var(--border-strong); }
.iconbtn--add { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }

/* --- Каркас экрана -------------------------------------------------------- */
.view { max-width: 1080px; margin: 0 auto; padding: 24px 20px 64px; }
.screen { display: flex; flex-direction: column; gap: 22px; }
.screen__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.screen__title { font-size: 26px; }
.screen__sub { margin: 4px 0 0; color: var(--text-muted); font-size: 14px; }
.section-title { font-size: 15px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.backlink { color: var(--text-muted); text-decoration: none; font-size: 14px; width: fit-content; }
.backlink:hover { color: var(--text); }

/* --- Пустое состояние ----------------------------------------------------- */
.empty {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.empty__art {
  width: 54px; height: 54px; border-radius: 12px;
  background:
    repeating-linear-gradient(90deg, var(--cell) 0 12px, transparent 12px 16px),
    var(--accent-soft);
  border: 1px solid var(--border);
}
.empty__title { font-size: 19px; }
.empty__text { margin: 0; color: var(--text-muted); max-width: 42ch; }

/* --- Карточки книг -------------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.cards--muted { opacity: .72; }

.card-book {
  position: relative;
  display: flex; gap: 14px;
  padding: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color .12s ease, transform .1s ease;
}
.card-book:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.card-book.is-archived { filter: grayscale(.4); }

.card-book__cover {
  flex: 0 0 62px; height: 88px;
  border-radius: 8px; overflow: hidden;
  background: var(--accent-soft);
  display: grid; place-items: center;
  color: var(--accent); font-weight: 700; font-size: 20px;
  border: 1px solid var(--border);
}
.card-book__cover img { width: 100%; height: 100%; object-fit: cover; }

.card-book__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 8px; }
.card-book__title { font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-book__meta { margin: 0; font-size: 13px; color: var(--text-muted); }
.card-book__link { position: absolute; inset: 0; border-radius: var(--radius); }
.card-book__link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* --- Таскбар -------------------------------------------------------------- */
.bar {
  position: relative;
  height: 22px;
  border-radius: 999px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  overflow: hidden;
}
.bar__fill {
  position: absolute; inset: 0 auto 0 0;
  width: var(--percent, 0%);
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 78%, #fff), var(--accent));
  transition: width .25s ease;
}
.bar__label {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
  color: var(--text);
  mix-blend-mode: normal;
  text-shadow: 0 1px 0 color-mix(in srgb, var(--bg-elevated) 60%, transparent);
}

/* --- Метки ---------------------------------------------------------------- */
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tag, .chip {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-sunken);
  white-space: nowrap;
}
.tag--ok { color: var(--ok); background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.tag--debt, .chip--debt { color: var(--debt); background: var(--debt-soft); border-color: color-mix(in srgb, var(--debt) 30%, transparent); }

/* --- Шапка книги ---------------------------------------------------------- */
.book-head { display: flex; gap: 20px; flex-wrap: wrap; }
.book-head__cover {
  flex: 0 0 116px; height: 168px;
  border-radius: 10px; overflow: hidden;
  background: var(--accent-soft);
  display: grid; place-items: center;
  color: var(--accent); font-weight: 700; font-size: 34px;
  border: 1px solid var(--border);
}
.book-head__cover img { width: 100%; height: 100%; object-fit: cover; }
.book-head__info { flex: 1; min-width: 260px; display: flex; flex-direction: column; gap: 12px; }
.book-head__title { font-size: 24px; }
.book-head__actions { display: flex; gap: 8px; flex-wrap: wrap; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(128px, 1fr)); gap: 10px; margin: 0; }
.stats__item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
}
.stats__label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.stats__value { margin: 3px 0 0; font-size: 16px; font-weight: 650; }

/* --- Дни и клетки --------------------------------------------------------- */
.days { display: flex; flex-direction: column; gap: 10px; }
.days__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.banner {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  padding: 10px 13px;
  color: var(--text-muted);
}
.banner--ok { color: var(--ok); background: var(--ok-soft); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }

.day {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex; flex-direction: column; gap: 9px;
}
.day.is-today { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.day.is-missed { border-left: 3px solid var(--debt); }
.day.is-done { border-left: 3px solid var(--ok); }
.day.is-future { opacity: .6; }

.day__head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.day__date { font-weight: 600; font-size: 14px; }
.day__meta { display: flex; gap: 6px; flex-wrap: wrap; }
.day__count { margin-left: auto; font-size: 13px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.day__tools { display: flex; gap: 5px; }

.cells { display: flex; flex-wrap: wrap; gap: 4px; }
.cells__empty, .cells__hint { font-size: 13px; color: var(--text-muted); }
.cells--compact { align-items: center; gap: 9px; }

.cell {
  width: 20px; height: 20px;
  padding: 0;
  border-radius: 5px;
  border: 1px solid var(--cell-border);
  background: var(--cell);
  cursor: pointer;
  transition: background .1s ease, border-color .1s ease, transform .06s ease;
}
.cell:hover:not(:disabled) { border-color: var(--accent); transform: scale(1.12); }
.cell:disabled { cursor: default; opacity: .5; }
.cell.is-done { background: var(--accent); border-color: color-mix(in srgb, var(--accent) 70%, #000); }
.cell.is-extra { border-style: dashed; }
.cell.is-extra.is-done { background: color-mix(in srgb, var(--accent) 62%, var(--bg-elevated)); }

/* --- Формы ---------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: 14px; }
.form__row { display: flex; flex-direction: column; gap: 12px; }
.form__row--split { flex-direction: row; }
.form__row--split > * { flex: 1; min-width: 0; }
.form__text { margin: 0; color: var(--text-muted); }
.form__error { margin: 0; color: var(--danger); font-size: 13px; }
.form__actions { display: flex; justify-content: flex-end; gap: 8px; }

.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field__label { font-size: 13px; color: var(--text-muted); }
.req { color: var(--accent); }
.field__input {
  font: inherit;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg);
  color: var(--text);
  width: 100%;
}
.field__input--file { padding: 6px; font-size: 13px; }
.field__input--compact { width: 110px; }

.cover-row { flex-direction: row; align-items: flex-start; gap: 12px; }
.cover-preview {
  flex: 0 0 64px; height: 92px;
  border-radius: 8px; overflow: hidden;
  border: 1px dashed var(--border-strong);
  background: var(--bg-sunken);
}
.cover-preview[data-empty="false"] { border-style: solid; }
.cover-preview img { width: 100%; height: 100%; object-fit: cover; }
.cover-actions { flex: 1; display: flex; flex-direction: column; gap: 8px; min-width: 0; }

/* --- Модалка -------------------------------------------------------------- */
.modal-root { position: fixed; inset: 0; z-index: 60; }
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(12, 11, 9, .5);
  backdrop-filter: blur(3px);
  display: grid; place-items: center;
  padding: 20px;
  overflow: auto;
}
.modal {
  width: min(560px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.modal__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.modal__title { font-size: 18px; }

/* --- Тост ----------------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%; bottom: 22px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 70;
  box-shadow: var(--shadow);
}

/* --- Отдельные страницы --------------------------------------------------- */
.page-centered { display: grid; place-items: center; padding: 24px; min-height: 100vh; }
.card--message {
  max-width: 520px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.card__title { font-size: 21px; margin-bottom: 12px; }
.card__text { color: var(--text-muted); margin: 0 0 10px; }
.card__text--small { font-size: 13px; margin-top: 14px; }
.card--message .form { margin: 18px 0 0; text-align: left; }
.card--message .form__error {
  background: var(--debt-soft);
  border: 1px solid color-mix(in srgb, var(--debt) 30%, transparent);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--debt);
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .9em;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
}
.card__contact { font-size: 17px; font-weight: 600; margin: 14px 0; }
.card__actions { margin: 18px 0 0; }

/* --- Мелкие экраны -------------------------------------------------------- */
@media (max-width: 560px) {
  .view { padding: 18px 14px 56px; }
  .topbar__inner { padding: 9px 14px; }
  .account__email { display: none; }
  .form__row--split { flex-direction: column; }
  .book-head__cover { flex-basis: 84px; height: 122px; }
  .cell { width: 18px; height: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}