/* =============================================================================
   HocMai Quiz — Frontend Styles
   Injected via plugin, works with any theme.
   Design reference: dethitracnghiem.vn
   - Cream background: #FFF8EE
   - Orange primary: #C17E2C
   - Dark text: #1a1a2e
   ============================================================================= */

/* ── Scoped to quiz pages only ── */
.hmc-quiz-page {
    --hmc-orange:    #C17E2C;
    --hmc-orange-dk: #A36520;
    --hmc-cream:     #FFF8EE;
    --hmc-cream-dk:  #F5ECD6;
    --hmc-border:    #E8D5B0;
    --hmc-text:      #1a1a2e;
    --hmc-muted:     #6B5E4A;
    --hmc-radius:    10px;
    --hmc-shadow:    0 2px 12px rgba(193,126,44,.12);
    font-family: 'Be Vietnam Pro', sans-serif !important;
}

/* ── Post content wrapper ── */
.hmc-quiz-page .entry-content,
.hmc-quiz-page .wp-block-post-content {
    max-width: 860px;
    margin: 0 auto;
}

/* =============================================================================
   QUIZ HEADER BOX (giong dethitracnghiem.vn)
   ============================================================================= */
.hmc-quiz-header-box {
    background: #fff;
    border: 2px solid var(--hmc-border);
    border-radius: var(--hmc-radius);
    padding: 28px 32px 22px;
    margin-bottom: 28px;
    text-align: center;
    box-shadow: var(--hmc-shadow);
    position: relative;
}
.hmc-quiz-header-box::before {
    content: '';
    display: block;
    width: 60px; height: 3px;
    background: var(--hmc-orange);
    margin: 0 auto 16px;
    border-radius: 2px;
}

.hmc-quiz-header-title {
    font-size: 18px !important;
    font-weight: 800 !important;
    color: var(--hmc-orange) !important;
    letter-spacing: .3px;
    margin: 0 0 18px !important;
    line-height: 1.3;
}

.hmc-quiz-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.hmc-quiz-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--hmc-text);
}
.hmc-quiz-meta-item svg { color: var(--hmc-orange); flex-shrink: 0; }
.hmc-quiz-meta-item strong { font-weight: 700; }
.hmc-meta-scope { flex-basis: 100%; justify-content: center; }

/* =============================================================================
   QUIZ BODY / QUESTION BLOCKS
   ============================================================================= */
.hmc-quiz-body { margin-top: 8px; }

.hm-quiz-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Individual question card */
.hm-question {
    background: #fff;
    border: 1px solid var(--hmc-border);
    border-radius: var(--hmc-radius);
    padding: 22px 24px 18px;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
    transition: box-shadow .18s ease;
}
.hm-question:hover {
    box-shadow: 0 4px 16px rgba(193,126,44,.14);
    border-color: #d4a96a;
}

/* Question label: "Câu 1" */
.hm-question-label {
    font-size: 15px !important;
    font-weight: 700 !important;
    color: var(--hmc-orange) !important;
    margin: 0 0 10px !important;
    display: flex;
    align-items: center;
    gap: 8px;
}
.hm-question-label::before {
    content: '';
    display: inline-block;
    width: 4px; height: 18px;
    background: var(--hmc-orange);
    border-radius: 2px;
    flex-shrink: 0;
}

/* Question text */
.hm-question-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--hmc-text);
    margin-bottom: 16px;
}
.hm-question-text p { margin: 0 0 8px; }
.hm-question-text img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 8px 0;
    border: 1px solid var(--hmc-border);
}

/* Answer choices */
.hm-answers {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
@media (max-width: 600px) { .hm-answers { grid-template-columns: 1fr; } }

.hm-answer {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border: 1.5px solid var(--hmc-border);
    border-radius: 8px;
    cursor: pointer;
    background: var(--hmc-cream);
    font-size: 14px;
    line-height: 1.5;
    transition: all .16s ease;
    position: relative;
    user-select: none;
}
.hm-answer:hover {
    border-color: var(--hmc-orange);
    background: #FFF3E0;
}
.hm-answer.selected {
    border-color: var(--hmc-orange);
    background: var(--hmc-orange);
    color: #fff;
}
.hm-answer.selected strong { color: #fff; }
.hm-answer.correct  { border-color: #16a34a; background: #f0fdf4; color: #14532d; }
.hm-answer.wrong    { border-color: #dc2626; background: #fef2f2; color: #991b1b; text-decoration: line-through; }

.hm-answer strong {
    font-size: 14px;
    font-weight: 700;
    color: var(--hmc-orange);
    min-width: 20px;
    flex-shrink: 0;
    transition: color .16s;
}

/* =============================================================================
   QUIZ ARCHIVE / CATEGORY LISTING
   ============================================================================= */
.hmc-archive-header {
    margin-bottom: 28px;
}
.hmc-archive-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--hmc-text);
    margin: 0 0 8px;
}
.hmc-archive-desc { color: var(--hmc-muted); font-size: 15px; }

.hmc-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.hmc-post-card {
    background: #fff;
    border: 1px solid var(--hmc-border);
    border-radius: var(--hmc-radius);
    padding: 20px;
    text-decoration: none !important;
    color: var(--hmc-text) !important;
    display: block;
    transition: all .18s ease;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.hmc-post-card:hover {
    border-color: var(--hmc-orange);
    box-shadow: 0 4px 16px rgba(193,126,44,.15);
    transform: translateY(-2px);
}
.hmc-post-card-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 10px;
    line-height: 1.4;
    color: var(--hmc-text);
}
.hmc-post-card-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--hmc-muted);
}
.hmc-post-card-badge {
    display: inline-block;
    padding: 2px 10px;
    background: var(--hmc-cream-dk);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    color: var(--hmc-orange);
    margin-bottom: 8px;
}

/* =============================================================================
   TAXONOMY HEADER COLORS (per grade/subject)
   ============================================================================= */
.hmc-tax-header {
    background: linear-gradient(135deg, var(--hmc-orange), #E8A84E);
    color: #fff;
    padding: 32px;
    border-radius: 12px;
    margin-bottom: 28px;
}
.hmc-tax-header h1 { color: #fff; margin: 0 0 6px; font-size: 26px; font-weight: 800; }
.hmc-tax-header p  { color: rgba(255,255,255,.85); margin: 0; }

/* =============================================================================
   SOURCE ATTRIBUTION
   ============================================================================= */
.hmc-source-attr {
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px solid var(--hmc-border);
    font-size: 12px;
    color: var(--hmc-muted);
    text-align: right;
}
.hmc-source-attr a { color: var(--hmc-muted); }

/* =============================================================================
   RESPONSIVE
   ============================================================================= */
@media (max-width: 768px) {
    .hmc-quiz-header-box { padding: 20px 16px; }
    .hmc-quiz-header-title { font-size: 15px !important; }
    .hm-question { padding: 16px 14px; }
    .hmc-posts-grid { grid-template-columns: 1fr; }
}