/* =====================================================================
   ReadingNova – Catalogue pages (Phase 3): Colouring Pages + Colouring Books
   New class names (rc-*) only; styles.css is unchanged.
   Each page sets its accent on .rc (orange for pages, yellow for books).
   ===================================================================== */

.rc {
    --rc-accent: var(--rn-orange, #F97316);   /* button / selected fill */
    --rc-on-accent: var(--rn-navy, #1E2A4A);  /* text on the fill (passes contrast) */
    --rc-deep: #C2410C;                       /* accent text on white or tint */
    --rc-tint: #FFEDD5;
    --rc-hero: #FFF1E4;
    font-family: var(--rn-font-body, 'Poppins', sans-serif);
    color: var(--rn-navy, #1E2A4A);
    background: var(--rn-cloud, #F6F7FB);
    margin-top: var(--rn-h, 82px);
}
.rc--books {
    --rc-accent: var(--rn-yellow, #FACC15);
    --rc-deep: #854D0E;
    --rc-tint: #FEF9C3;
    --rc-hero: #FFFBE6;
}
.rc--posters {
    --rc-accent: var(--rn-green, #22C55E);
    --rc-deep: #15803D;
    --rc-tint: #DCFCE7;
    --rc-hero: #F0FDF4;
}
.rc--worksheets {
    --rc-accent: var(--rn-blue, #0EA5E9);
    --rc-deep: #0369A1;
    --rc-tint: #E0F2FE;
    --rc-hero: #F0F9FF;
}
.rc--stories {
    --rc-accent: #4F46E5;
    --rc-on-accent: #FFFFFF;
    --rc-deep: #4338CA;
    --rc-tint: #E0E7FF;
    --rc-hero: #EEF2FF;
}
.rc *, .rc *::before, .rc *::after { box-sizing: border-box; }
/* Phase 5: topic links look like the buttons they replace */
.rc a.rc-all, .rc a.rc-theme, .rc a.rc-subchip { text-decoration: none; }
.rc-flat { display: flex; flex-direction: column; gap: 2px; }
.rc-chip--word { font-size: 14px; padding: 0 14px; }
.rc-chips .rc-subchip { flex-shrink: 0; white-space: nowrap; min-height: 44px; }
.rc-chip--word { white-space: nowrap; flex-shrink: 0; }
.rc-linkbtn[hidden] { display: none; }
.rc-seo { margin: 8px 0 0; padding: 20px 22px; background: #FFFFFF; border-radius: 20px; font-size: 14px; line-height: 1.6; color: var(--rn-body, #4B5568); }
.rc-seo h2 { margin: 0 0 6px; font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 18px; color: var(--rn-navy, #1E2A4A); }
.rc-seo p { margin: 0 0 8px; }
.rc-seo p:last-child { margin-bottom: 0; }
.rc-seo a { color: var(--rc-deep); font-weight: 600; }
.rc-wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.rc-sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.rc button { font-family: inherit; -webkit-tap-highlight-color: transparent; }
.rc a:focus-visible, .rc button:focus-visible, .rc input:focus-visible, .rc select:focus-visible {
    outline: 3px solid var(--rn-indigo, #6366F1); outline-offset: 2px;
}

/* ---------- Hero band ---------- */
.rc-hero { background: var(--rc-hero); border-bottom: 2px solid var(--rc-tint); }
.rc-hero__inner { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; padding-top: 28px; padding-bottom: 28px; }
.rc-hero__text { flex: 1 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.rc-crumbs { font-size: 13px; color: var(--rn-muted, #6B7385); margin: 0; }
.rc-crumbs a { color: var(--rn-muted, #6B7385); text-decoration: none; }
.rc-crumbs a:hover { text-decoration: underline; }
.rc-crumbs span[aria-current] { color: var(--rc-deep); font-weight: 600; }
.rc-title { display: flex; align-items: center; gap: 14px; margin: 0; }
.rc-title__icon {
    width: 56px; height: 56px; border-radius: 16px; flex-shrink: 0; background: var(--rc-accent);
    display: flex; align-items: center; justify-content: center; transform: rotate(-5deg); color: var(--rc-on-accent);
}
.rc-title h1 {
    margin: 0; font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 700;
    font-size: 44px; line-height: 1.05; color: var(--rn-navy, #1E2A4A);
}
.rc-lede { margin: 0; font-size: 16px; color: var(--rn-body, #4B5568); }
.rc-search {
    display: flex; align-items: center; gap: 8px; background: #FFFFFF; border: 3px solid var(--rn-navy, #1E2A4A);
    border-radius: 999px; padding: 5px 5px 5px 18px; max-width: 560px; margin: 6px 0 0;
}
.rc-search svg { color: var(--rn-muted, #6B7385); flex-shrink: 0; }
.rc-search input {
    flex: 1; min-width: 0; border: 0; outline: none; background: transparent; height: 42px;
    font-family: inherit; font-size: 15px; color: var(--rn-navy, #1E2A4A); padding: 0; margin: 0; box-shadow: none;
}
.rc-search input:focus-visible { outline: none; }
.rc-search:focus-within { box-shadow: 0 0 0 4px rgba(99, 102, 241, .35); }
.rc-search button {
    height: 44px; padding: 0 22px; border: 0; border-radius: 999px; background: var(--rc-accent); color: var(--rc-on-accent);
    font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 16px; cursor: pointer;
}
.rc-tip {
    display: flex; align-items: center; gap: 12px; background: #FFFFFF; border-radius: 22px; padding: 14px 18px;
    border: 2px solid var(--rc-tint); max-width: 340px;
}
.rc-tip svg { flex-shrink: 0; }
.rc-tip p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--rn-navy, #1E2A4A); }
.rc-tip strong { font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-size: 16px; }

/* ---------- Main layout ---------- */
.rc-main { padding: 28px 0 56px; }
.rc-main__inner { display: flex; gap: 24px; align-items: flex-start; }

/* Themes A–Z (desktop) */
.rc-side {
    flex: 0 0 290px; background: #FFFFFF; border-radius: 22px; padding: 16px 10px;
    position: sticky; top: calc(var(--rn-h, 82px) + 16px); max-height: calc(100vh - var(--rn-h, 82px) - 32px); overflow-y: auto;
    overscroll-behavior: contain;
}
.rc-side__head { display: flex; align-items: center; justify-content: space-between; margin: 0 8px 10px; }
.rc-side__head h2 { margin: 0; font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 20px; color: var(--rn-navy, #1E2A4A); }
.rc-linkbtn { border: 0; background: transparent; color: var(--rc-deep); font-weight: 600; font-size: 12px; cursor: pointer; padding: 6px; border-radius: 8px; }
.rc-linkbtn:hover { text-decoration: underline; }
.rc-all {
    display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; padding: 7px 8px; margin: 0 0 6px;
    border: 0; border-radius: 12px; cursor: pointer; font-weight: 600; font-size: 14px; text-align: left;
    background: var(--rc-hero); color: var(--rc-deep);
}
.rc-all.is-on { background: var(--rc-accent); color: var(--rc-on-accent); }
.rc-all__star {
    width: 30px; height: 30px; border-radius: 9px; background: #FFFFFF; color: var(--rc-deep);
    display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.rc-all__name { flex: 1; }
.rc-group__head {
    display: flex; align-items: center; gap: 10px; width: 100%; min-height: 44px; padding: 6px 8px;
    border: 0; border-radius: 12px; background: transparent; cursor: pointer; color: var(--rn-navy, #1E2A4A); text-align: left;
}
.rc-group__head:hover { background: var(--rn-cloud, #F6F7FB); }
.rc-letter {
    width: 30px; height: 30px; flex-shrink: 0; border-radius: 9px; display: flex; align-items: center; justify-content: center;
    font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 700; font-size: 15px;
}
.rc-t1 { background: #FEE2E2; color: #B91C1C; }
.rc-t2 { background: #FFEDD5; color: #C2410C; }
.rc-t3 { background: #FEF9C3; color: #854D0E; }
.rc-t4 { background: #DCFCE7; color: #15803D; }
.rc-t5 { background: #E0F2FE; color: #0369A1; }
.rc-t6 { background: #E0E7FF; color: #4338CA; }
.rc-t7 { background: #F3E8FF; color: #7E22CE; }
.rc-group__text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.rc-group__names { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rc-group__sub { font-size: 12px; color: var(--rn-muted, #6B7385); }
.rc-chev { flex-shrink: 0; color: var(--rn-muted, #6B7385); transition: transform .2s ease; }
.rc-group.is-open .rc-chev { transform: rotate(90deg); }
.rc-group__items { display: flex; flex-direction: column; gap: 2px; margin: 2px 0 8px 48px; padding-left: 10px; border-left: 3px solid var(--rc-tint); }
.rc-group__items[hidden] { display: none; }
.rc-theme {
    display: flex; align-items: center; gap: 8px; width: 100%; min-height: 36px; padding: 6px 10px;
    border: 0; border-radius: 10px; cursor: pointer; font-size: 13px; text-align: left;
    background: transparent; color: var(--rn-navy, #1E2A4A);
}
.rc-theme:hover { background: var(--rc-hero); }
.rc-theme__name { flex: 1; }
.rc-theme__count { font-size: 12px; color: var(--rn-muted, #6B7385); }
.rc-theme.is-zero { color: var(--rn-muted, #6B7385); }
.rc-theme.is-on { background: var(--rc-accent); color: var(--rc-on-accent); font-weight: 600; }
.rc-theme.is-on .rc-theme__count { color: var(--rc-on-accent); }

/* Letter chips (phone / small tablet) */
.rc-mobile { display: none; }
.rc-chips { display: flex; gap: 6px; overflow-x: auto; padding: 2px 16px 6px; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
.rc-chip {
    flex-shrink: 0; min-width: 44px; height: 44px; padding: 0 10px; border-radius: 14px; cursor: pointer;
    font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 700; font-size: 17px; border: 2px solid transparent;
}
.rc-chip--all { background: #FFFFFF; color: var(--rc-deep); border-color: var(--rc-accent); font-size: 15px; padding: 0 14px; }
.rc-chip.is-on { background: var(--rn-navy, #1E2A4A); color: #FFFFFF; border-color: var(--rn-navy, #1E2A4A); }
.rc-chip--all.is-on { background: var(--rc-accent); color: var(--rc-on-accent); border-color: var(--rc-accent); }
.rc-sub { margin: 4px 16px 0; padding: 10px; border-radius: 16px; background: var(--rc-hero); display: flex; flex-direction: column; gap: 8px; }
.rc-sub[hidden] { display: none; }
.rc-sub__title { font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 15px; color: var(--rc-deep); }
.rc-sub__row { display: flex; flex-wrap: wrap; gap: 6px; }
.rc-subchip {
    display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 12px; border-radius: 999px; cursor: pointer;
    font-size: 13px; font-weight: 600; border: 2px solid var(--rc-tint); background: #FFFFFF; color: var(--rn-navy, #1E2A4A);
}
.rc-subchip__count { font-weight: 500; color: var(--rn-muted, #6B7385); font-size: 12px; }
.rc-subchip.is-on { background: var(--rc-accent); border-color: var(--rc-accent); color: var(--rc-on-accent); }
.rc-subchip.is-on .rc-subchip__count { color: var(--rc-on-accent); }

/* ---------- Content ---------- */
.rc-content { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.rc-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; scroll-margin-top: calc(var(--rn-h, 82px) + 12px); }
.rc-toolbar h2 { margin: 0 8px 0 0; font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 24px; color: var(--rn-navy, #1E2A4A); }
.rc-toolbar h2 small { font-family: var(--rn-font-body, 'Poppins', sans-serif); font-weight: 500; font-size: 15px; color: var(--rn-muted, #6B7385); }
.rc-ages { display: flex; gap: 6px; flex-wrap: wrap; }
.rc-agebtn {
    height: 40px; padding: 0 14px; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 13px;
    background: #FFFFFF; border: 2px solid var(--rn-navy, #1E2A4A); color: var(--rn-navy, #1E2A4A);
}
.rc-agebtn--3-5yrs { border-color: #FDBA74; color: #C2410C; }
.rc-agebtn--6-8yrs { border-color: #86EFAC; color: #15803D; }
.rc-agebtn--9-11yrs { border-color: #A5B4FC; color: #4338CA; }
.rc-agebtn.is-on { background: var(--rn-navy, #1E2A4A); border-color: var(--rn-navy, #1E2A4A); color: #FFFFFF; }
.rc-agebtn--3-5yrs.is-on { background: #C2410C; border-color: #C2410C; }
.rc-agebtn--6-8yrs.is-on { background: #15803D; border-color: #15803D; }
.rc-agebtn--9-11yrs.is-on { background: #4F46E5; border-color: #4F46E5; }
.rc-sort { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.rc-sort label { font-size: 13px; color: var(--rn-muted, #6B7385); }
.rc-sort select {
    height: 44px; border-radius: 12px; border: 2px solid var(--rn-line, #E6E8F0); padding: 0 12px; background: #FFFFFF;
    font-family: inherit; font-size: 14px; color: var(--rn-navy, #1E2A4A); cursor: pointer;
}

.rc-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.rc-card {
    background: #FFFFFF; border-radius: 20px; overflow: hidden; display: flex; flex-direction: column;
    border: 2px solid #EEF0F6; transition: transform .2s ease, box-shadow .2s ease;
}
.rc-card:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(30, 42, 74, .12); }
.rc-card__art {
    position: relative; display: block; width: 100%; aspect-ratio: 3 / 4; padding: 0; margin: 0; border: 0;
    border-bottom: 2px solid #F3F4F8; background: #FFFFFF; cursor: zoom-in; overflow: hidden;
}
.rc--books .rc-card__art { cursor: pointer; }
.rc-card__img { width: 100%; height: 100%; object-fit: contain; display: block; }
.rc-card__ph { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 48px; background: var(--rn-cloud, #F6F7FB); }
.rc-new {
    position: absolute; top: 10px; left: 10px; background: #DC2626; color: #FFFFFF; transform: rotate(-4deg);
    font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 12px; padding: 4px 10px; border-radius: 999px;
}
.rc-date {
    position: absolute; bottom: 10px; left: 10px; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px;
    color: var(--rn-navy, #1E2A4A); background: rgba(255, 255, 255, .92); border: 1.5px solid var(--rn-line, #E6E8F0); white-space: nowrap;
}
.rc-age { position: absolute; bottom: 10px; right: 10px; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; color: #FFFFFF; background: var(--rn-navy, #1E2A4A); }
.rc-age--3-5yrs { background: #C2410C; }
.rc-age--6-8yrs { background: #15803D; }
.rc-age--9-11yrs { background: #4F46E5; }
.rc-card__body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.rc-card__title {
    margin: 0; font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 17px; line-height: 1.25;
    color: var(--rn-navy, #1E2A4A); overflow-wrap: anywhere;
}
.rc-card__meta { margin: 0; font-size: 12px; color: var(--rn-muted, #6B7385); }
.rc-card__actions { display: flex; gap: 8px; margin-top: auto; padding-top: 6px; }
.rc-btn {
    height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    cursor: pointer; font-weight: 600; font-size: 13px; padding: 0 10px;
}
.rc-btn--primary { flex: 1; min-width: 0; background: var(--rc-accent); color: var(--rc-on-accent); border: 0; }
.rc-btn--primary { white-space: nowrap; padding: 0 8px; }
.rc-btn__short { display: none; }
.rc-btn--primary:hover { filter: brightness(1.06); box-shadow: 0 3px 0 rgba(30, 42, 74, .25); }
.rc-btn--icon { width: 44px; flex-shrink: 0; padding: 0; border: 2px solid var(--rn-line, #E6E8F0); background: #FFFFFF; color: var(--rn-navy, #1E2A4A); }
.rc-btn--icon:hover { border-color: var(--rn-navy, #1E2A4A); }

.rc-more { display: flex; flex-direction: column; align-items: center; gap: 8px; padding-top: 10px; }
.rc-more[hidden] { display: none; }
.rc-more p { margin: 0; font-size: 13px; color: var(--rn-muted, #6B7385); }
.rc-more button[hidden] { display: none; }
.rc-bigbtn {
    height: 50px; padding: 0 28px; border-radius: 999px; border: 3px solid var(--rn-navy, #1E2A4A); background: #FFFFFF;
    color: var(--rn-navy, #1E2A4A); font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 17px;
    box-shadow: 0 4px 0 var(--rn-navy, #1E2A4A); cursor: pointer; transition: transform .1s ease, box-shadow .1s ease;
}
.rc-bigbtn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--rn-navy, #1E2A4A); }

.rc-empty {
    background: #FFFFFF; border-radius: 22px; padding: 40px 24px; display: flex; flex-direction: column; align-items: center;
    gap: 12px; text-align: center;
}
.rc-empty[hidden] { display: none; }
.rc-empty h3 { margin: 0; font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 24px; color: var(--rn-navy, #1E2A4A); }
.rc-empty p { margin: 0; font-size: 15px; color: var(--rn-body, #4B5568); max-width: 420px; }
.rc-empty button {
    height: 48px; padding: 0 24px; border-radius: 999px; border: 0; background: var(--rc-accent); color: var(--rc-on-accent);
    font-family: var(--rn-font-head, 'Fredoka', sans-serif); font-weight: 600; font-size: 16px; cursor: pointer;
}
.rc-loading { padding: 40px 0; text-align: center; color: var(--rn-muted, #6B7385); font-size: 15px; }
.rc-loading[hidden] { display: none; }
.rc-note { margin: 4px 0 0; text-align: center; font-size: 14px; color: var(--rn-body, #4B5568); }
/* Google topic pages (made by the admin "Build Google pages" button) */
.rc-intro { margin: 0; font-size: 15px; line-height: 1.6; color: var(--rn-body, #4B5568); max-width: 62ch; }
.rc-intro[hidden], .rc-crumb-topic[hidden] { display: none; }
.rc-related { margin-bottom: 12px; }
.rc-related ul { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.rc-related li a { display: inline-block; padding: 6px 12px; border-radius: 999px; background: var(--rc-tint, #FFF1E6);
    color: var(--rc-deep, #C2410C); font-weight: 600; text-decoration: none; font-size: 14px; }
.rc-related li a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
    .rc-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .rc-side { flex-basis: 260px; }
}
@media (max-width: 899px) {
    .rc-wrap { padding: 0 16px; }
    .rc-hero__inner { padding-top: 16px; padding-bottom: 16px; gap: 12px; }
    .rc-tip { display: none; }
    .rc-title h1 { font-size: 32px; }
    .rc-title__icon { width: 46px; height: 46px; border-radius: 14px; }
    .rc-title__icon svg { width: 24px; height: 24px; }
    .rc-lede { font-size: 14px; }
    .rc-intro { font-size: 14px; }
    .rc-search { max-width: none; }
    .rc-main { padding-top: 0; }
    .rc-main__inner { flex-direction: column; gap: 0; }
    .rc-side { display: none; }
    .rc-mobile {
        display: block; background: #FFFFFF; border-bottom: 2px solid #EEF0F6; padding: 12px 0;
        margin: 0 -16px; width: calc(100% + 32px); max-width: none;
    }
    .rc-content { padding-top: 14px; width: 100%; }
    .rc-toolbar { gap: 8px; }
    .rc-toolbar h2 { font-size: 20px; flex: 1 1 100%; }
    .rc-ages { flex-wrap: nowrap; overflow-x: auto; flex: 1 1 auto; min-width: 0; padding-bottom: 2px; }
    .rc-agebtn { flex-shrink: 0; height: 38px; padding: 0 12px; }
    .rc-sort label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
    .rc-sort select { height: 40px; font-size: 13px; padding: 0 8px; }
    .rc-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
}
@media (max-width: 599px) {
    .rc-title h1 { font-size: 28px; }
    .rc-search { padding-left: 14px; }
    .rc-search button { padding: 0 16px; }
    .rc-search > svg { display: none; }
    .rc-sort { margin-left: 0; }
    .rc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .rc-card { border-radius: 18px; }
    .rc-card:hover { transform: none; box-shadow: none; }
    .rc-card__body { padding: 10px; gap: 4px; }
    .rc-card__title { font-size: 15px; }
    .rc-card__meta { font-size: 11px; }
    .rc-new { top: 8px; left: 8px; font-size: 11px; padding: 3px 8px; }
    .rc-age { bottom: 8px; right: 8px; font-size: 11px; padding: 3px 8px; }
    .rc-date { bottom: 8px; left: 8px; font-size: 10.5px; padding: 3px 7px; }
    .rc-card__actions { gap: 6px; }
    .rc-btn { font-size: 12px; gap: 4px; padding: 0 6px; }
    .rc-btn--icon { width: 44px; padding: 0; }
    .rc-btn__long { display: none; }
    .rc-btn__short { display: inline; }
}
@media (max-width: 359px) {
    .rc-btn--primary svg { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    .rc-card, .rc-chev, .rc-bigbtn { transition: none; }
    .rc-card:hover { transform: none; }
}