/* ─── Training Details Page ─────────────────────────────────── */
.training-header {
    background: linear-gradient(
        120deg,
        var(--color-brand),
        var(--color-brand-hover)
    );
    color: var(--color-text-inverse);
    padding: 70px 0 60px;
    margin-bottom: 32px;
    margin-top: 80px;
}

.training-header h1 {
    font-family: "Plus Jakarta Sans", sans-serif;
    font-weight: 800;
    font-size: clamp(2rem, 3vw, 2.8rem);
    margin-bottom: 12px;
    color: var(--color-text-inverse);
}

.training-header .lead {
    font-size: 1.05rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.92);
    max-width: 900px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid var(--color-border-strong);
    color: var(--color-text);
    font-weight: 600;
    background: var(--color-surface);
    box-shadow: var(--color-shadow);
    margin-bottom: 24px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-back:hover,
.btn-back:focus {
    background: var(--color-brand);
    border-color: var(--color-brand);
    color: var(--color-text-inverse);
}

.training-header + main .card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--color-shadow);
    margin-bottom: 24px;
}

.training-header + main .card .card-body {
    padding: 24px 26px;
}

.training-header + main .card h4,
.training-header + main .card h5,
.training-header + main .card h6 {
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.training-header + main .card p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

.training-header + main .card .badge {
    font-weight: 600;
}

.training-header + main .card .card-header {
    background: var(--color-brand);
    color: var(--color-text-inverse);
    border-bottom: 0;
    padding: 16px 22px;
}

.training-header + main .card .card-header h5 {
    color: var(--color-text-inverse);
}

.training-header + main .accordion-item {
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.training-header + main .accordion-button {
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-surface-alt);
    box-shadow: none;
}

.training-header + main .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
}

.training-header + main .accordion-button:not(.collapsed) {
    background: var(--color-brand-soft);
    color: var(--color-brand);
}

.training-header + main .accordion-body {
    background: var(--color-surface);
    color: var(--color-text-muted);
}

.training-header + main .list-group-item {
    border: 0;
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.training-header + main .list-group-item:last-child {
    border-bottom: 0;
}

.training-header + main .alert {
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 500;
}

.training-header + main .alert-info {
    background: var(--color-brand-soft);
    border-color: rgba(43, 118, 192, 0.2);
    color: var(--color-brand);
}

.training-header + main .alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.4);
    color: #a16207;
}

.training-header + main .alert-success {
    background: var(--color-accent-soft);
    border-color: rgba(34, 197, 94, 0.4);
    color: #15803d;
}

.training-header + main .alert-danger {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.4);
    color: #b91c1c;
}

.sidebar-card {
    position: sticky;
    top: 90px;
}

.sidebar-card .card-body {
    padding: 26px;
}

.sidebar-card h5 {
    font-weight: 700;
    margin-bottom: 20px;
}

.sidebar-card ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--color-text-muted);
}

.sidebar-card ul li:last-child {
    margin-bottom: 0;
}

@media (max-width: 991px) {
    .training-header {
        padding: 50px 0 45px;
    }

    .sidebar-card {
        position: static;
        margin-top: 24px;
    }
}

@media (max-width: 768px) {
    .training-header {
        padding: 40px 0 35px;
        text-align: left;
    }

    .btn-back {
        width: 100%;
        justify-content: center;
    }
}