/* Unit 1.3 — brainrot / exam-tip accordion cards (AP Euro Explore) */

.ap-euro-u13-br-stack {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.ap-euro-u13-br-drop {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    background: rgba(0, 0, 0, 0.22);
    overflow: hidden;
}

.ap-euro-u13-br-summary {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem 0.85rem;
    padding: 0.85rem 1rem;
    list-style: none;
    cursor: pointer;
    user-select: none;
}

.ap-euro-u13-br-summary::-webkit-details-marker {
    display: none;
}

.ap-euro-u13-br-summary::marker {
    content: '';
}

.ap-euro-u13-br-num {
    flex-shrink: 0;
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 800;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #f8fafc;
}

.ap-euro-u13-br-summary-main {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    text-align: left;
}

.ap-euro-u13-br-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: #f8fafc;
    line-height: 1.35;
}

.ap-euro-u13-br-sub {
    font-size: 0.78rem;
    color: #94a3b8;
    line-height: 1.45;
}

.ap-euro-u13-br-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.ap-euro-u13-br-tag {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.2rem 0.45rem;
    border-radius: 999px;
    border: 1px solid transparent;
}

.ap-euro-u13-br-tag--blue {
    background: rgba(59, 130, 246, 0.18);
    color: #bfdbfe;
    border-color: rgba(59, 130, 246, 0.35);
}

.ap-euro-u13-br-tag--red {
    background: rgba(239, 68, 68, 0.16);
    color: #fecaca;
    border-color: rgba(239, 68, 68, 0.32);
}

.ap-euro-u13-br-tag--green {
    background: rgba(34, 197, 94, 0.14);
    color: #bbf7d0;
    border-color: rgba(34, 197, 94, 0.3);
}

.ap-euro-u13-br-tag--purple {
    background: rgba(168, 85, 247, 0.16);
    color: #e9d5ff;
    border-color: rgba(168, 85, 247, 0.32);
}

.ap-euro-u13-br-tag--yellow {
    background: rgba(234, 179, 8, 0.14);
    color: #fef08a;
    border-color: rgba(234, 179, 8, 0.35);
}

.ap-euro-u13-br-tag--grey {
    background: rgba(148, 163, 184, 0.12);
    color: #cbd5e1;
    border-color: rgba(148, 163, 184, 0.25);
}

.ap-euro-u13-br-tag--tan {
    background: rgba(180, 83, 9, 0.16);
    color: #fde68a;
    border-color: rgba(180, 83, 9, 0.35);
}

.ap-euro-u13-br-tag--cyan {
    background: rgba(6, 182, 212, 0.14);
    color: #a5f3fc;
    border-color: rgba(6, 182, 212, 0.32);
}

.ap-euro-u13-br-tag--outline {
    background: transparent;
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.45);
}

.ap-euro-u13-br-chevron {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 0.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.2s ease;
}

.ap-euro-u13-br-chevron::before {
    content: '';
    width: 0.45rem;
    height: 0.45rem;
    border-right: 2px solid #94a3b8;
    border-bottom: 2px solid #94a3b8;
    transform: rotate(45deg) translate(-1px, -1px);
}

.ap-euro-u13-br-drop[open] .ap-euro-u13-br-chevron {
    transform: rotate(180deg);
}

.ap-euro-u13-br-summary:focus {
    outline: none;
}

.ap-euro-u13-br-summary:focus-visible {
    border-radius: 12px;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.45);
}

.ap-euro-u13-br-body {
    padding: 0 1rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ap-euro-u13-br-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.25rem;
    padding-top: 1rem;
}

@media (max-width: 720px) {
    .ap-euro-u13-br-cols {
        grid-template-columns: 1fr;
    }
}

.ap-euro-u13-br-col-lbl {
    margin: 0 0 0.5rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #fca5a5;
}

.ap-euro-u13-br-col-lbl--brainrot {
    color: #fb7185;
}

.ap-euro-u13-br-quote {
    margin: 0;
    padding: 0 0 0 0.85rem;
    border-left: 3px solid rgba(255, 255, 255, 0.18);
    font-size: 0.86rem;
    line-height: 1.65;
    font-style: italic;
    color: #e2e8f0;
}

.ap-euro-u13-br-brainrot {
    margin: 0;
    font-size: 0.86rem;
    line-height: 1.6;
    color: #f1f5f9;
}

.ap-euro-u13-br-tip {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.ap-euro-u13-br-tip-badge {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: #7dd3fc;
    margin-bottom: 0.45rem;
}

.ap-euro-u13-br-tip-txt {
    margin: 0;
    font-size: 0.84rem;
    line-height: 1.55;
    color: #e2e8f0;
}