/* =====================================================
   KigaliStore Academy — styles scoped to learn.php,
   course.php and exam.php. Reuses the --ks-* variables
   already defined in style.css.
   ===================================================== */

/* ---- Course catalog cards ---- */
.course-icon-banner {
    position: relative;
    width: 100%;
    padding-top: 55%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-icon-banner i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2.75rem;
    color: #ffffff;
}

.course-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--ks-text-muted);
    background: var(--ks-light);
    border: 1px solid var(--ks-border-color);
    border-radius: 999px;
    padding: 0.2rem 0.65rem;
    margin-right: 0.35rem;
}

/* ---- Course detail page ---- */
.course-hero {
    background: var(--ks-blue);
    color: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.course-hero h1 {
    font-weight: 700;
}

.course-hero .course-summary {
    color: rgba(255, 255, 255, 0.8);
}

.qa-accordion .accordion-button {
    font-weight: 600;
    color: var(--ks-blue);
}

.qa-accordion .accordion-button:not(.collapsed) {
    color: var(--ks-green);
    background-color: var(--ks-green-light);
}

.qa-item {
    border-bottom: 1px solid var(--ks-border-color);
    padding: 0.9rem 0;
}

.qa-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.qa-item .qa-question {
    font-weight: 600;
    color: var(--ks-blue);
    margin-bottom: 0.35rem;
    display: flex;
    gap: 0.5rem;
}

.qa-item .qa-question i {
    color: var(--ks-green);
    margin-top: 0.2rem;
}

.qa-item .qa-answer {
    color: var(--ks-text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-left: 1.5rem;
}

.exam-cta-card {
    background: var(--ks-green-light);
    border: 1px dashed var(--ks-green);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

/* ---- Exam page ---- */
.exam-progress-bar {
    height: 6px;
    border-radius: 999px;
    background: var(--ks-border-color);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.exam-progress-bar span {
    display: block;
    height: 100%;
    background: var(--ks-green);
}

.exam-question-card {
    background: #ffffff;
    border: 1px solid var(--ks-border-color);
    border-radius: 12px;
    box-shadow: var(--ks-card-shadow);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}

.exam-question-title {
    font-weight: 600;
    color: var(--ks-blue);
    margin-bottom: 0.9rem;
}

.exam-option {
    display: block;
    border: 1px solid var(--ks-border-color);
    border-radius: 8px;
    padding: 0.65rem 1rem;
    margin-bottom: 0.6rem;
    cursor: pointer;
    transition: var(--ks-transition);
}

.exam-option:hover {
    border-color: var(--ks-green);
    background: var(--ks-green-light);
}

.exam-option input {
    margin-right: 0.6rem;
}

/* Result review states (added server-side after grading) */
.exam-option.is-correct {
    border-color: var(--ks-green);
    background: var(--ks-green-light);
}

.exam-option.is-incorrect {
    border-color: #dc2626;
    background: rgba(220, 38, 38, 0.06);
}

.exam-option.is-disabled {
    cursor: default;
}

/* ---- Result hero ---- */
.result-hero {
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.result-hero.pass {
    background: var(--ks-green-light);
    border: 1px solid var(--ks-green);
}

.result-hero.fail {
    background: rgba(220, 38, 38, 0.06);
    border: 1px solid #dc2626;
}

.result-score {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--ks-blue);
}

.result-hero.pass .result-badge {
    color: var(--ks-green);
}

.result-hero.fail .result-badge {
    color: #dc2626;
}

.result-badge {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.9rem;
}