/* CoursePage.css - Single course overview page styles */

.course-page {
    background: transparent !important;
}

.course-page {
    min-height: 80vh;
    background: linear-gradient(180deg, #f5f7fb 0%, #eef2f5 100%);
    padding-top: 1.5rem !important;
}

.course-page-back {
    margin-top: 1.25rem;
}

.course-page-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.85rem;
    border-radius: 999px;
    border: 1px solid #d8e1ea;
    background: #f3f5f8;
    color: #334155;
    text-decoration: none;
    font-weight: 600;
    line-height: 1;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.course-page-back-link i {
    font-size: 1.05rem;
}

.course-page-back-link:hover {
    background: #eaf0f5;
    border-color: #c8d2dc;
    color: #0f172a;
    transform: translateX(-1px);
}

.breadcrumb-nav {
    margin-bottom: 1.25rem;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
}

.breadcrumb-item a {
    color: #475569;
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #6c757d;
}

@media (max-width: 768px) {
    .breadcrumb-nav {
        display: none;
    }

    .course-page.py-5 {
        padding-top: 1rem !important;
        padding-bottom: 2rem !important;
    }

    .course-page .modules-list.mt-5 {
        margin-top: 0.1rem !important;
    }

    .course-practice-entry {
        align-items: stretch;
        flex-direction: column;
    }

    .course-practice-entry-link {
        justify-content: center;
    }
}

.course-page .modules-list.mt-5 {
    margin-top: 0.25rem !important;
}

.course-page .container {
    max-width: 1180px;
    width: min(1180px, calc(100% - 1rem));
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

.course-overview-header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin: 0 0 1rem;
}

.course-overview-header h1 {
    color: #1a1a2e;
    margin: 0;
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    line-height: 1.2;
}

.course-practice-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.6rem 0.85rem;
    border: 1px solid #cfe0f3;
    border-radius: 999px;
    background: #eef6ff;
    color: #15467a;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

.course-practice-cta strong {
    font-size: 0.76rem;
    font-weight: 700;
    color: #0f766e;
}

.modules-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0.5rem;
    margin-top: 0;
    align-items: stretch;
}

.modules-list h2 .course-status-pill {
    margin-left: 0.5rem;
    vertical-align: middle;
}

.module-card {
    --module-accent-color: #149ddd;
    background: #fcfcfb;
    border-radius: 18px;
    border: 1px solid #dde3ea;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.module-card--clickable {
    cursor: pointer;
}

.module-first-topic-link {
    color: inherit;
    text-decoration: none;
}

.module-first-topic-link:focus-visible {
    outline: 3px solid #0a7ba7;
    outline-offset: 2px;
    border-radius: 2px;
}

.module-card:hover {
    box-shadow: 0 14px 32px rgba(15, 23, 42, 0.07);
    transform: translateY(-3px);
    border-color: #c8d2dc;
}

.module-link-shell {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.module-link {
    display: block;
    text-decoration: none;
}

.module-link:hover {
    transform: none;
}

.module-link .module-header {
    cursor: pointer;
}

.module-card .module-header {
    /* Keep the module name independent of the secondary action controls. */
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.375rem;
    padding: 0.65rem 1rem;
    background: linear-gradient(90deg, color-mix(in srgb, var(--module-accent-color) 10%, #fcfcfb) 0%, #fcfcfb 100%);
    color: #0f172a;
    border-bottom: 1px solid #e7edf3;
}

.module-card .module-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    color: #0f172a;
    min-width: 0;
    overflow-wrap: anywhere;
}

.module-header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0.375rem;
    min-width: 0;
}

/* Modules without a practice or quiz action should not reserve an empty row. */
.module-header-actions:empty {
    display: none;
}

.module-practice-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    box-sizing: border-box;
    position: relative;
    height: 36px;
    min-height: 36px;
    padding: 0 0.5rem;
    border-radius: 999px;
    border: 1px solid #bfd9c0;
    background: #f1fff3;
    color: #166534;
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.module-practice-link:hover {
    background: #e3f9ea;
    border-color: #9be1b5;
    transform: translateY(-1px);
}

.module-practice-link-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.module-practice-link-count {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.08rem 0.27rem;
    border-radius: 999px;
    background: rgba(22, 163, 74, 0.12);
}

.module-practice-link:focus-visible {
    outline: 3px solid rgba(34, 197, 94, 0.35);
    outline-offset: 2px;
}

.module-quiz-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    box-sizing: border-box;
    position: relative;
    height: 36px;
    min-height: 36px;
    padding: 0 0.5rem;
    border-radius: 999px;
    border: 1px solid #d5dee8;
    background: #ffffff;
    color: #334155;
    text-decoration: none;
    flex-shrink: 0;
    align-self: center;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

/* Extend the pointer hit zone to 44px without enlarging the visible 36px pills. */
.module-practice-link::after,
.module-quiz-link::after {
    content: '';
    position: absolute;
    inset: -4px 0;
}

.module-quiz-link i {
    font-size: 0.9rem;
    transform: translateY(-1px);
}

.module-quiz-link-text {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.module-quiz-link:hover {
    background: #e9f1ff;
    border-color: #b6caf8;
    color: #1e40af;
    transform: translateY(-1px);
}

.module-quiz-link.is-inprogress {
    background: #fff7e6;
    border-color: #f3cf8e;
    color: #9a5b00;
}

.module-quiz-link.is-inprogress:hover {
    background: #ffefcc;
    border-color: #e5b96d;
    color: #92400e;
}

.module-quiz-link.is-completed {
    background: #dcfce7;
    border-color: #22c55e;
    color: #14532d;
}

.module-quiz-link.is-completed:hover {
    background: #bbf7d0;
    border-color: #16a34a;
    color: #052e16;
}

.module-quiz-link:focus-visible {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}

.module-header-right {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-left: auto;
}

.topics-badge {
    background: #f3f5f8;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    color: #475569;
    border: 1px solid #dde3ea;
}

.module-header .bx-chevron-right {
    display: none;
}

.topics-preview {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.75rem 1rem 1rem;
    background: #f8fafc;
    flex: 1;
    overflow-y: auto;
    max-height: 320px;
}

.topic-preview-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    padding: 0.65rem 0.8rem;
    border-radius: 10px;
    color: #334155;
    text-decoration: none;
    font-size: 0.92rem;
    background: #fff;
    border: 1px solid #e5eaf0;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.topic-preview-link:hover {
    background: #eef4ff;
    border-color: #c7d2fe;
    transform: translateX(2px);
}

.topic-preview-link.is-completed {
    background: linear-gradient(90deg, rgba(22, 163, 74, 0.12) 0%, #fff 100%);
    border-color: #9be1b5;
}

.topic-preview-link.is-completed span {
    color: #166534;
    font-weight: 600;
}

.topic-preview-link.is-completed i {
    color: #16a34a;
}

.topic-preview-link.is-inprogress {
    background: linear-gradient(90deg, rgba(217, 119, 6, 0.12) 0%, #fff 100%);
    border-color: #f3cf8e;
}

.topic-preview-link.is-inprogress span {
    color: #92400e;
    font-weight: 600;
}

.topic-preview-link.is-inprogress i {
    color: #d97706;
}

.topic-preview-link span {
    flex: 1;
}

.topic-preview-link i {
    color: #94a3b8;
    font-size: 14px;
    flex-shrink: 0;
}

@media (max-width: 1024px) {
    .modules-list {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .course-overview-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .course-practice-cta {
        width: 100%;
        justify-content: space-between;
    }

    .module-card .module-header {
        padding: 0.65rem 0.85rem;
    }

    .module-card .module-header h3 {
        font-size: 1rem;
    }

    .module-header-actions {
        gap: 0.375rem;
    }

    .module-practice-link,
    .module-quiz-link {
        padding: 0 0.45rem;
        gap: 0.18rem;
    }

    .topics-badge {
        padding: 0.3rem 0.6rem;
        font-size: 0.75rem;
    }
}

.module-card.is-completed {
    border-color: #9be1b5;
    border-style: solid;
    border-width: 2px;
    box-shadow: 0 10px 30px rgba(22, 163, 74, 0.08);
    background: linear-gradient(135deg, #f7fdf9 0%, #f0fdf4 100%);
}

.module-card.is-inprogress {
    border-color: #f3cf8e;
    background: linear-gradient(135deg, #fffcf5 0%, #fff7e8 100%);
    border-style: solid;
    border-width: 2px;
    box-shadow: 0 10px 30px rgba(217, 119, 6, 0.08);
}

.course-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    border: 1px solid #dde3ea;
    background: #f3f5f8;
    color: #475569;
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.course-status-pill.completed {
    background: #e9f9f0;
    border-color: #9be1b5;
    color: #166534;
}

.course-status-pill.inprogress {
    background: #fff7e6;
    border-color: #f3cf8e;
    color: #9a5b00;
}

.topic-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    border: 1px solid #dde3ea;
    background: #f3f5f8;
    color: #475569;
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.topic-status-pill.completed {
    background: #e9f9f0;
    border-color: #9be1b5;
    color: #166534;
}

.topic-status-pill.inprogress {
    background: #fff7e6;
    border-color: #f3cf8e;
    color: #9a5b00;
}

.course-practice-entry {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 1.25rem 0;
    padding: 0.85rem 1rem;
    border: 1px solid #d8e1e9;
    border-radius: 7px;
    background: #fff;
}

.course-practice-entry h2 {
    margin: 0;
    color: #243746;
    font-size: 1rem;
}

.course-practice-entry p {
    margin: 0.25rem 0 0;
    color: #536574;
    font-size: 0.85rem;
}

.course-practice-entry-link {
    display: inline-flex;
    min-height: 44px;
    flex: 0 0 auto;
    align-items: center;
    padding: 0.55rem 0.85rem;
    border: 1px solid #b9c8d5;
    border-radius: 5px;
    color: #1d4f91;
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
}

.course-practice-entry-link:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.35);
    outline-offset: 2px;
}