/* Keystones — daily GCSE retrieval */

body.ks-page {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    min-height: 100vh;
    background: #f0f2f5;
}

.ks-container {
    width: min(920px, 94vw);
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
    box-sizing: border-box;
}

.ks-container-wide {
    width: min(960px, 96vw);
}

.ks-packs-cta {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: 1.25rem 1.35rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid #C90C0F;
}

.ks-packs-cta h2 {
    margin: 0 0 0.5rem;
    font-size: 1.15rem;
    color: #1a1a1a;
}

.ks-packs-cta p {
    margin: 0 0 1rem;
    color: #555;
    line-height: 1.5;
    font-size: 0.95rem;
}

.ks-packs-cta .ks-open {
    display: inline-flex;
}

.ks-pack-form {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ks-pack-field label,
.ks-pack-period legend {
    font-weight: 600;
    color: #1a1a1a;
    font-size: 0.92rem;
}

.ks-pack-field select,
.ks-pack-field input[type="date"] {
    margin-top: 0.35rem;
    width: 100%;
    max-width: 320px;
    padding: 0.6rem 0.7rem;
    border: 1px solid #d6d9e3;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.ks-pack-period {
    border: none;
    margin: 0;
    padding: 0;
}

.ks-pack-period legend {
    margin-bottom: 0.5rem;
}

.ks-period-option {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 0.65rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}

.ks-period-option:last-child {
    border-bottom: none;
}

.ks-period-name {
    font-weight: 600;
    color: #1a1a1a;
}

.ks-period-help {
    font-size: 0.88rem;
    color: #64748b;
    flex: 1 1 100%;
    padding-left: 1.45rem;
}

.ks-pack-summary {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: 1.25rem 1.35rem;
    margin-bottom: 1.5rem;
}

.ks-pack-summary h2 {
    margin: 0 0 0.25rem;
    font-size: 1.15rem;
}

.ks-pack-range {
    margin: 0 0 0.75rem;
    color: #555;
    font-size: 1rem;
}

.ks-pack-stats {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    color: #444;
    font-size: 0.92rem;
}

.ks-pack-day {
    margin-bottom: 1.25rem;
}

.ks-pack-day .ks-worksheet-header h2 {
    font-size: 1.05rem;
}

@media print {
    .ks-pack-day {
        page-break-before: always;
    }

    .ks-pack-day:first-of-type {
        page-break-before: auto;
    }
}

.ks-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1rem;
    color: #C90C0F;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
}

.ks-back:hover {
    text-decoration: underline;
}

.ks-hero {
    margin-bottom: 1.5rem;
}

.ks-hero h1 {
    margin: 0 0 0.35rem;
    color: #1a1a1a;
    font-size: clamp(1.6rem, 4vw, 2rem);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ks-hero .ks-tagline {
    color: #555;
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.55;
    max-width: 42rem;
}

.ks-intro {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: 1.15rem 1.25rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid #C90C0F;
    color: #333;
    line-height: 1.55;
    font-size: 0.98rem;
}

.ks-band-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ks-band-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    border-top: 4px solid #C90C0F;
}

.ks-band-card h2 {
    margin: 0;
    font-size: 1.15rem;
    color: #1a1a1a;
}

.ks-tier-sub {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 600;
    color: #C90C0F;
}

.ks-band-card p {
    margin: 0;
    color: #555;
    font-size: 0.9rem;
    line-height: 1.45;
    flex: 1;
}

.ks-band-card .ks-open {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1rem;
    background: #C90C0F;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.95rem;
    cursor: pointer;
}

.ks-band-card .ks-open:hover {
    filter: brightness(1.08);
}

.ks-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
    margin-bottom: 1rem;
    color: #444;
    font-size: 0.92rem;
}

.ks-pill {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background: #fde8e8;
    color: #8B0000;
    font-weight: 600;
    font-size: 0.82rem;
}

.ks-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.ks-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    font-family: inherit;
    text-decoration: none;
}

.ks-btn-primary {
    background: #C90C0F;
    color: #fff;
    border-color: #C90C0F;
}

.ks-btn-primary:hover {
    filter: brightness(1.08);
}

.ks-btn-outline {
    background: #fff;
    color: #C90C0F;
    border-color: #C90C0F;
}

.ks-btn-outline:hover {
    background: #C90C0F;
    color: #fff;
}

.ks-btn-muted {
    background: #e5e7eb;
    color: #1a1a1a;
    border-color: #e5e7eb;
}

.ks-btn-muted:hover {
    background: #d1d5db;
}

.ks-worksheet {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    padding: 1.25rem 1.35rem;
}

.ks-worksheet-header {
    border-bottom: 2px solid #eee;
    padding-bottom: 0.85rem;
    margin-bottom: 1rem;
}

.ks-worksheet-header h2 {
    margin: 0 0 0.25rem;
    font-size: 1.2rem;
    color: #1a1a1a;
}

.ks-worksheet-header .ks-sub {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

.ks-question-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.ks-question {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
}

.ks-question:last-child {
    border-bottom: none;
}

.ks-q-head {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.75rem;
    align-items: baseline;
    margin-bottom: 0.45rem;
}

.ks-q-num {
    font-weight: 700;
    color: #C90C0F;
    min-width: 1.5rem;
}

.ks-q-strand {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #64748b;
    background: #f1f5f9;
    padding: 0.12rem 0.45rem;
    border-radius: 4px;
}

.ks-q-text {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.55;
    color: #1a1a1a;
}

.ks-q-diagram {
    margin-top: 0.65rem;
    max-width: 100%;
}

.ks-q-diagram img,
.ks-q-diagram svg {
    max-width: 280px;
    height: auto;
}

.ks-answer-wrap {
    margin-top: 0.65rem;
}

.ks-reveal-one {
    padding: 0.45rem 0.85rem;
    font-size: 0.88rem;
    background: #fff;
    color: #C90C0F;
    border: 2px solid #C90C0F;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.ks-reveal-one:hover {
    background: #C90C0F;
    color: #fff;
}

.ks-answer {
    display: none;
    margin-top: 0.5rem;
    padding: 0.65rem 0.85rem;
    background: #f8fafc;
    border-left: 3px solid #C90C0F;
    border-radius: 0 6px 6px 0;
    color: #1a1a1a;
    font-size: 0.98rem;
}

.ks-answer.is-visible {
    display: block;
}

.ks-band-switch {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.ks-band-tab {
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    background: #fff;
    color: #C90C0F;
    border: 2px solid #C90C0F;
}

.ks-band-tab:hover,
.ks-band-tab.is-active {
    background: #C90C0F;
    color: #fff;
}

.ks-footer-note {
    margin-top: 1.5rem;
    font-size: 0.88rem;
    color: #666;
    line-height: 1.5;
}

@media print {
    body.ks-page {
        background: #fff;
    }

    .ks-back,
    .ks-toolbar,
    .ks-band-switch,
    .ks-reveal-one,
    .ks-footer-note,
    .ks-intro {
        display: none !important;
    }

    .ks-container {
        width: 100%;
        padding: 0;
    }

    .ks-worksheet {
        box-shadow: none;
        padding: 0;
    }

    .ks-answer.print-show {
        display: block !important;
    }

    .ks-question {
        page-break-inside: avoid;
    }
}