/* ==========================================================================
   440Music Education, Learn & Teach Page Styles
   ========================================================================== */

/* Summary Row & Card Layout */
.edu-summary-row {
    margin-bottom: 8px;
}

.edu-info-card {
    display: flex;
    flex-direction: column;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    min-height: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.edu-info-card:hover {
    border-color: rgba(250, 204, 21, 0.4);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}

.edu-info-card h3 {
    margin: 0;
    padding: 0.6rem 0.85rem;
    color: #ffffff;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    font-size: 0.95rem;
    border-bottom: 1px solid #334155;
    font-weight: 700;
    line-height: 1.25;
}

.edu-info-card p {
    margin: 0;
    padding: 0.85rem 1rem;
    color: #cbd5e1;
    font-size: 0.9rem;
    line-height: 1.6;
    flex-grow: 1;
}

.edu-info-card strong {
    color: #facc15;
}

/* Course list styling */
.edu-course-list {
    list-style: none;
    margin: 0;
    padding: 0.5rem 1rem;
    color: #cbd5e1;
    flex-grow: 1;
}

.edu-course-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.88rem;
    line-height: 1.4;
}

.edu-course-item:last-child {
    border-bottom: none;
}

.edu-course-item strong {
    color: #facc15;
}

/* Card Action / Button footer */
.edu-card-action {
    padding: 0.75rem 1rem;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 23, 42, 0.5);
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.btn-edu-card {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s ease;
    cursor: pointer;
    line-height: 1.2;
}

.btn-edu-details {
    background: rgba(30, 41, 59, 0.8);
    color: #38bdf8 !important;
    border: 1px solid rgba(56, 189, 248, 0.4);
}

.btn-edu-details:hover,
.btn-edu-details:focus {
    background: #38bdf8;
    color: #0f172a !important;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
    text-decoration: none;
}

.btn-edu-courses {
    background: rgba(30, 41, 59, 0.8);
    color: #facc15 !important;
    border: 1px solid rgba(250, 204, 21, 0.4);
}

.btn-edu-courses:hover,
.btn-edu-courses:focus {
    background: #facc15;
    color: #0f172a !important;
    box-shadow: 0 0 12px rgba(250, 204, 21, 0.4);
    text-decoration: none;
}

.btn-edu-signup {
    background: linear-gradient(180deg, #facc15 0%, #eab308 100%);
    color: #0f172a !important;
    border: 1px solid #eab308;
    font-weight: 700;
}

.btn-edu-signup:hover,
.btn-edu-signup:focus {
    background: linear-gradient(180deg, #fde047 0%, #facc15 100%);
    color: #000000 !important;
    border-color: #facc15;
    box-shadow: 0 0 14px rgba(250, 204, 21, 0.5);
    text-decoration: none;
}

/* High Contrast Mode overrides */
body.a11y-high-contrast .edu-info-card {
    background: #000000 !important;
    border: 2px solid #ffff00 !important;
}

body.a11y-high-contrast .edu-info-card h3 {
    background: #000000 !important;
    color: #ffff00 !important;
    border-bottom: 2px solid #ffff00 !important;
}

body.a11y-high-contrast .edu-info-card p,
body.a11y-high-contrast .edu-course-list,
body.a11y-high-contrast .edu-course-item {
    color: #ffffff !important;
}

body.a11y-high-contrast .btn-edu-card {
    background: #000000 !important;
    color: #ffff00 !important;
    border: 2px solid #ffff00 !important;
}

body.a11y-high-contrast .btn-edu-card:hover {
    background: #ffff00 !important;
    color: #000000 !important;
}


/* ==========================================================================
   Udemy-Style Instruments & Vocal Ranges Explorer Section
   ========================================================================== */

.edu-explore-container {
    margin-top: 15px;
    margin-bottom: 25px;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 24px 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    box-sizing: border-box;
}

.edu-explore-header-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 20px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ud-heading-serif-lg {
    font-family: inherit;
    font-size: 1.55rem;
    font-weight: 800;
    color: #facc15;
    letter-spacing: -0.015em;
    margin: 0 0 6px;
    line-height: 1.25;
}

.edu-explore-lead {
    margin: 0;
    color: #94a3b8;
    font-size: 0.92rem;
    line-height: 1.5;
    max-width: 680px;
}

/* Controls Toolbar */
.edu-explore-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.edu-view-pills {
    display: inline-flex;
    background: #020617;
    padding: 4px;
    border-radius: 30px;
    border: 1px solid #334155;
    gap: 4px;
}

.edu-view-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border-radius: 24px;
    border: none;
    background: transparent;
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.edu-view-pill:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
}

.edu-view-pill.is-active {
    background: linear-gradient(180deg, #facc15 0%, #eab308 100%);
    color: #0f172a;
    box-shadow: 0 2px 8px rgba(250, 204, 21, 0.4);
}

/* Quick Filter Input */
.edu-search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.edu-search-input {
    background: #020617;
    border: 1px solid #334155;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 24px;
    font-size: 0.88rem;
    width: 290px;
    max-width: 100%;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.edu-search-input:focus {
    border-color: #facc15;
    outline: none;
    box-shadow: 0 0 10px rgba(250, 204, 21, 0.35);
}

.edu-search-count {
    position: absolute;
    right: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #38bdf8;
    pointer-events: none;
}

/* Views & Grids */
.edu-view-panel {
    display: none;
}

.edu-view-panel.is-active {
    display: block;
}

.content-grid_grid__YGzzC {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    width: 100%;
    box-sizing: border-box;
}

.content-grid-item_item__eDlnv {
    min-width: 0;
    box-sizing: border-box;
}

.structured-links-column {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 16px;
    height: 100%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.structured-links-column:hover {
    border-color: rgba(250, 204, 21, 0.4);
}

.structured-links-column-heading {
    margin: 0 0 6px;
    font-size: 0.98rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.structured-links-column-heading .column-icon {
    font-size: 1.15rem;
    flex-shrink: 0;
}

.structured-links-column-heading .column-title {
    flex-grow: 1;
    color: #facc15;
}

.structured-links-column-heading .column-count {
    font-size: 0.75rem;
    color: #94a3b8;
    font-weight: normal;
}

.range-pitch-badge {
    display: inline-block;
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 700;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 3px;
    padding: 2px 7px;
    margin-bottom: 6px;
}

.structured-column-desc {
    font-size: 0.78rem;
    color: #94a3b8;
    line-height: 1.35;
    margin: 0 0 10px;
    min-height: 28px;
}

.structured-links-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}

.inst-item {
    margin: 0;
    padding: 0;
}

.link.white-link.ud-text-sm {
    color: #cbd5e1;
    font-size: 0.85rem;
    text-decoration: none;
    display: block;
    padding: 3px 0;
    line-height: 1.35;
    transition: color 0.15s ease, transform 0.15s ease;
}

.link.white-link.ud-text-sm:hover,
.link.white-link.ud-text-sm:focus {
    color: #facc15;
    text-decoration: underline;
    transform: translateX(3px);
}

.collapsible-extra-list[hidden] {
    display: none !important;
}

.collapsible-extra-list:not([hidden]) {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.toggle-more-item {
    list-style: none;
    margin-top: auto;
    padding-top: 10px;
}

.btn-toggle-extra {
    background: rgba(15, 23, 42, 0.75);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.4);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
    text-align: center;
    transition: all 0.15s ease;
}

.btn-toggle-extra:hover,
.btn-toggle-extra:focus {
    background: #38bdf8;
    color: #0f172a;
    border-color: #38bdf8;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

.btn-toggle-extra.is-expanded {
    background: rgba(30, 41, 59, 0.9);
    color: #facc15;
    border-color: rgba(250, 204, 21, 0.4);
}

/* Responsive grid adjustments */
@media (max-width: 992px) {
    .content-grid_grid__YGzzC {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .content-grid_grid__YGzzC {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .edu-explore-header-row {
        flex-direction: column;
        align-items: stretch;
    }
    .edu-search-input {
        width: 100%;
    }
    .edu-view-pills {
        width: 100%;
        display: flex;
    }
    .edu-view-pill {
        flex: 1;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .content-grid_grid__YGzzC {
        grid-template-columns: 1fr;
    }
}

/* High Contrast Mode */
body.a11y-high-contrast .edu-explore-container {
    background: #000000 !important;
    border: 2px solid #ffff00 !important;
}

body.a11y-high-contrast .structured-links-column {
    background: #000000 !important;
    border: 2px solid #ffff00 !important;
}

body.a11y-high-contrast .ud-heading-serif-lg,
body.a11y-high-contrast .structured-links-column-heading .column-title,
body.a11y-high-contrast .link.white-link.ud-text-sm {
    color: #ffff00 !important;
}

body.a11y-high-contrast .edu-view-pill.is-active {
    background: #ffff00 !important;
    color: #000000 !important;
}

body.a11y-high-contrast .btn-toggle-extra {
    background: #000000 !important;
    color: #ffff00 !important;
    border: 2px solid #ffff00 !important;
}

/* ==========================================================================
   Music Industry Careers & Job Board Grid Styles (On Mouse Over Expand)
   ========================================================================== */

.career-column {
    background: #111827;
}

.career-jobs-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.career-job-card {
    position: relative;
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 12px;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    cursor: default;
}

.career-job-card.has-course {
    border-left: 3px solid #22c55e;
}

.career-job-card.no-course {
    border-left: 3px solid #64748b;
}

.career-job-card:hover,
.career-job-card.is-touch-expanded {
    border-color: #facc15;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.65);
    background: #141f36;
}

.career-job-header {
    margin-bottom: 6px;
}

.job-link-active {
    color: #facc15 !important;
    font-weight: 700;
    font-size: 0.92rem;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 3px;
    transition: color 0.15s ease;
}

.job-link-active:hover,
.job-link-active:focus {
    color: #ffffff !important;
    text-decoration: underline;
}

.job-title-unlinked {
    color: #f1f5f9;
    font-weight: 700;
    font-size: 0.92rem;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.badge-course-ready {
    font-size: 0.7rem;
    font-weight: 700;
    color: #4ade80;
    display: inline-block;
    letter-spacing: 0.02em;
}

.badge-in-review {
    font-size: 0.7rem;
    font-weight: 600;
    color: #94a3b8;
    display: inline-block;
    letter-spacing: 0.02em;
}

.job-short-desc {
    font-size: 0.8rem;
    color: #cbd5e1;
    line-height: 1.4;
    margin: 0;
}

/* On mouseover expand short list */
.job-hover-expand {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease, margin-top 0.2s ease, padding-top 0.2s ease;
}

.career-job-card:hover .job-hover-expand,
.career-job-card.is-touch-expanded .job-hover-expand {
    max-height: 380px;
    opacity: 1;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.job-hover-header {
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #38bdf8;
    margin-bottom: 6px;
}

.job-short-list {
    list-style: none;
    padding: 0;
    margin: 0 0 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.job-short-list li {
    font-size: 0.78rem;
    color: #cbd5e1;
    line-height: 1.35;
    padding-left: 12px;
    position: relative;
}

.job-short-list li::before {
    content: "•";
    position: absolute;
    left: 2px;
    color: #facc15;
    font-weight: bold;
}

.job-hover-footer {
    margin-top: 8px;
}

.btn-job-action {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.15s ease;
}

.btn-job-has-course {
    background: linear-gradient(180deg, #facc15 0%, #eab308 100%);
    color: #0f172a !important;
    border: 1px solid #eab308;
}

.btn-job-has-course:hover,
.btn-job-has-course:focus {
    background: linear-gradient(180deg, #fde047 0%, #facc15 100%);
    color: #000000 !important;
    box-shadow: 0 0 12px rgba(250, 204, 21, 0.45);
    text-decoration: none;
}

.btn-job-no-course {
    background: rgba(30, 41, 59, 0.8);
    color: #38bdf8 !important;
    border: 1px solid rgba(56, 189, 248, 0.35);
}

.btn-job-no-course:hover,
.btn-job-no-course:focus {
    background: #38bdf8;
    color: #0f172a !important;
    text-decoration: none;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

/* High Contrast mode for career cards */
body.a11y-high-contrast .career-job-card {
    background: #000000 !important;
    border: 2px solid #ffff00 !important;
}

body.a11y-high-contrast .job-link-active,
body.a11y-high-contrast .job-title-unlinked {
    color: #ffff00 !important;
}

body.a11y-high-contrast .badge-course-ready,
body.a11y-high-contrast .badge-in-review {
    color: #ffffff !important;
}

body.a11y-high-contrast .btn-job-has-course,
body.a11y-high-contrast .btn-job-no-course {
    background: #000000 !important;
    color: #ffff00 !important;
    border: 2px solid #ffff00 !important;
}

/* ==========================================================================
   Learn Page: Career Course Showcase & Teachers List Styles
   ========================================================================== */

.career-showcase-container {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 24px 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.showcase-breadcrumb {
    font-size: 0.82rem;
    color: #94a3b8;
    margin-bottom: 12px;
}

.showcase-breadcrumb a {
    color: #38bdf8;
    text-decoration: none;
}

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

.showcase-title-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 16px;
}

.showcase-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: #facc15;
    margin: 0;
    line-height: 1.25;
}

.showcase-cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #1e293b;
    border: 1px solid #475569;
    color: #e2e8f0;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
}

.showcase-lead-desc {
    font-size: 1.05rem;
    color: #e2e8f0;
    line-height: 1.6;
    margin: 0 0 16px;
}

.showcase-skills-wrapper {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 14px 16px;
    margin-bottom: 24px;
}

.showcase-skills-heading {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #38bdf8;
    margin: 0 0 8px;
}

.showcase-skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.showcase-skill-tag {
    background: #1e293b;
    border: 1px solid #334155;
    color: #cbd5e1;
    font-size: 0.82rem;
    padding: 4px 10px;
    border-radius: 4px;
}

.showcase-section-heading {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.showcase-courses-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.course-card-detailed {
    background: #1e293b;
    border: 1px solid #334155;
    border-left: 4px solid #facc15;
    border-radius: 6px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.course-card-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.course-card-title {
    font-size: 1.28rem;
    font-weight: 700;
    color: #facc15;
    margin: 0;
}

.course-card-duration {
    font-size: 0.82rem;
    font-weight: 700;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.35);
    padding: 3px 8px;
    border-radius: 4px;
}

.course-card-desc {
    font-size: 0.95rem;
    color: #e2e8f0;
    line-height: 1.6;
    margin: 0 0 16px;
}

.teachers-section-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #facc15;
    margin: 0 0 10px;
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.teacher-card {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.teacher-name {
    font-size: 1rem;
    font-weight: 700;
    color: #38bdf8;
}

.teacher-role {
    font-size: 0.8rem;
    font-weight: 600;
    color: #facc15;
}

.teacher-bio {
    font-size: 0.85rem;
    color: #cbd5e1;
    line-height: 1.45;
    margin-top: 4px;
}

.course-card-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-enroll-course {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(180deg, #facc15 0%, #eab308 100%);
    color: #0f172a !important;
    padding: 8px 18px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-enroll-course:hover {
    background: linear-gradient(180deg, #fde047 0%, #facc15 100%);
    box-shadow: 0 0 12px rgba(250, 204, 21, 0.45);
    text-decoration: none;
}

.btn-back-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(30, 41, 59, 0.8);
    color: #cbd5e1;
    border: 1px solid #334155;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-back-nav:hover {
    color: #ffffff;
    background: #334155;
    text-decoration: none;
}

/* ==========================================================================
   Career Spotlight Showcase (View Selected Role Courses & Teachers)
   ========================================================================== */
.career-spotlight-box {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.career-spotlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #facc15 0%, #38bdf8 50%, #facc15 100%);
}

.spotlight-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.spotlight-header {
    margin-bottom: 20px;
}

.spotlight-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.35);
    border-radius: 4px;
    margin-bottom: 10px;
}

.spotlight-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: #facc15;
    margin: 0 0 10px;
    line-height: 1.2;
}

.spotlight-desc {
    font-size: 1.05rem;
    color: #cbd5e1;
    line-height: 1.6;
    margin: 0 0 16px;
    max-width: 900px;
}

.spotlight-skills-wrap {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
}

.skills-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #94a3b8;
    margin-right: 4px;
}

.skill-tag {
    background: #1e293b;
    color: #e2e8f0;
    border: 1px solid #475569;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.spotlight-courses-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.spotlight-course-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.spotlight-course-card:last-child {
    margin-bottom: 0;
}

.course-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin: 10px 0 14px;
}

.course-meta-tag {
    font-size: 0.8rem;
    font-weight: 600;
    color: #94a3b8;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid #334155;
    padding: 3px 8px;
    border-radius: 4px;
}

.course-meta-tag strong {
    color: #facc15;
}

.spotlight-teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 14px;
    margin: 16px 0;
}

.spotlight-teacher-card {
    background: #0f172a;
    border: 1px solid #334155;
    border-left: 3px solid #38bdf8;
    border-radius: 6px;
    padding: 14px 16px;
}

.teacher-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.teacher-avatar-icon {
    font-size: 1.6rem;
    background: rgba(56, 189, 248, 0.15);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.teacher-meta {
    flex-grow: 1;
}

.teacher-name-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #facc15;
    margin: 0;
    line-height: 1.2;
}

.teacher-role-badge {
    font-size: 0.8rem;
    font-weight: 600;
    color: #38bdf8;
}

.teacher-bio-text {
    font-size: 0.85rem;
    color: #cbd5e1;
    line-height: 1.5;
    margin: 0;
}

.spotlight-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-enroll-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(180deg, #facc15 0%, #eab308 100%);
    color: #0f172a !important;
    font-weight: 800;
    font-size: 0.95rem;
    padding: 10px 22px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s ease;
    box-shadow: 0 4px 12px rgba(250, 204, 21, 0.3);
}

.btn-enroll-primary:hover,
.btn-enroll-primary:focus {
    background: linear-gradient(180deg, #fde047 0%, #facc15 100%);
    box-shadow: 0 0 16px rgba(250, 204, 21, 0.5);
    text-decoration: none;
}

.btn-contact-teacher {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(30, 41, 59, 0.9);
    color: #38bdf8 !important;
    border: 1px solid rgba(56, 189, 248, 0.4);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 9px 16px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-contact-teacher:hover,
.btn-contact-teacher:focus {
    background: rgba(56, 189, 248, 0.2);
    border-color: #38bdf8;
    text-decoration: none;
}

.spotlight-no-course {
    background: rgba(30, 41, 59, 0.5);
    border: 1px dashed #64748b;
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    color: #cbd5e1;
}

.spotlight-no-course h4 {
    color: #facc15;
    font-size: 1.2rem;
    margin: 0 0 10px;
}

/* ==========================================================================
   Course Search & Filter Controls
   ========================================================================== */
.learn-search-section {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.learn-search-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 16px;
}

.learn-search-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.learn-search-header p {
    font-size: 0.9rem;
    color: #94a3b8;
    margin: 0;
}

.course-search-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.search-controls-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1.2fr 1fr 1fr auto;
    gap: 10px;
    align-items: flex-end;
}

@media (max-width: 1200px) {
    .search-controls-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .search-controls-grid {
        grid-template-columns: 1fr;
    }
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.filter-group label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #facc15;
}

.filter-input,
.filter-select {
    width: 100%;
    padding: 9px 12px;
    background: #1e293b;
    border: 1px solid #475569;
    border-radius: 4px;
    color: #ffffff;
    font-size: 0.88rem;
    box-sizing: border-box;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: #facc15;
    box-shadow: 0 0 8px rgba(250, 204, 21, 0.4);
}

.filter-actions {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.btn-filter-reset {
    padding: 9px 14px;
    background: #334155;
    color: #cbd5e1;
    border: 1px solid #475569;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.btn-filter-reset:hover {
    background: #475569;
    color: #ffffff;
}

.filter-status-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.badge-course-count {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(250, 204, 21, 0.15);
    color: #facc15;
    border: 1px solid rgba(250, 204, 21, 0.35);
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 700;
}

/* ==========================================================================
   Courses Catalog Grid Layout
   ========================================================================== */
.courses-catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 18px;
    margin-bottom: 30px;
}

@media (max-width: 640px) {
    .courses-catalog-grid {
        grid-template-columns: 1fr;
    }
}

.catalog-course-card {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.catalog-course-card:hover {
    transform: translateY(-2px);
    border-color: rgba(250, 204, 21, 0.5);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.catalog-card-header {
    padding: 12px 16px;
    background: #1e293b;
    border-bottom: 1px solid #334155;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.catalog-category-tag {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #38bdf8;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.catalog-duration-pill {
    font-size: 0.75rem;
    font-weight: 600;
    color: #94a3b8;
    background: rgba(15, 23, 42, 0.6);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid #334155;
}

.catalog-card-body {
    padding: 16px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.catalog-course-title {
    margin: 0 0 8px;
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.3;
}

.catalog-course-title a {
    color: #facc15;
    text-decoration: none;
    transition: color 0.15s ease;
}

.catalog-course-title a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.catalog-teacher-name {
    font-size: 0.85rem;
    color: #38bdf8;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.catalog-course-desc {
    font-size: 0.88rem;
    color: #cbd5e1;
    line-height: 1.5;
    margin: 0 0 14px;
    flex-grow: 1;
}

.catalog-card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    color: #94a3b8;
}

.catalog-card-actions {
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.7);
    border-top: 1px solid #334155;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.btn-card-details {
    padding: 6px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #cbd5e1;
    background: #1e293b;
    border: 1px solid #475569;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-card-details:hover {
    color: #ffffff;
    background: #334155;
    text-decoration: none;
}

.btn-card-enroll {
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #0f172a !important;
    background: linear-gradient(180deg, #facc15 0%, #eab308 100%);
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-card-enroll:hover {
    background: linear-gradient(180deg, #fde047 0%, #facc15 100%);
    text-decoration: none;
}

.courses-empty-alert {
    grid-column: 1 / -1;
    background: #1e293b;
    border: 1px dashed #64748b;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    color: #cbd5e1;
}

.courses-empty-alert h3 {
    color: #facc15;
    margin: 0 0 10px;
}

/* ==========================================================================
   Teacher Compensation Matrix & Educator Sign-Up Form (/teach)
   ========================================================================== */
.comp-matrix-box {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
}

.comp-matrix-box h3 {
    color: #facc15;
    margin: 0 0 12px;
    font-size: 1.3rem;
}

.comp-table-wrap {
    overflow-x: auto;
    margin: 16px 0;
}

.comp-matrix-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    text-align: left;
}

.comp-matrix-table th {
    background: #1e293b;
    color: #facc15;
    padding: 10px 14px;
    border: 1px solid #334155;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
}

.comp-matrix-table td {
    padding: 10px 14px;
    border: 1px solid #334155;
    color: #e2e8f0;
}

.comp-matrix-table tr:nth-child(even) td {
    background: rgba(30, 41, 59, 0.4);
}

.payout-callout {
    background: rgba(56, 189, 248, 0.1);
    border-left: 4px solid #38bdf8;
    padding: 14px 18px;
    border-radius: 0 6px 6px 0;
    margin: 16px 0;
    font-size: 0.9rem;
    color: #cbd5e1;
    line-height: 1.5;
}

.payout-callout strong {
    color: #38bdf8;
}

.teach-form-box {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.teach-form-box h3 {
    color: #facc15;
    font-size: 1.4rem;
    margin: 0 0 8px;
}

.teach-form-desc {
    color: #cbd5e1;
    font-size: 0.92rem;
    margin: 0 0 20px;
    line-height: 1.5;
}

.teach-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

@media (max-width: 768px) {
    .teach-form-grid {
        grid-template-columns: 1fr;
    }
}

.teach-form-full {
    grid-column: 1 / -1;
}

.teach-form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #facc15;
    margin-bottom: 6px;
}

.teach-form-input,
.teach-form-select,
.teach-form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: #1e293b;
    border: 1px solid #475569;
    border-radius: 4px;
    color: #ffffff;
    font-size: 0.9rem;
    box-sizing: border-box;
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.teach-form-input:focus,
.teach-form-select:focus,
.teach-form-textarea:focus {
    outline: none;
    border-color: #facc15;
    box-shadow: 0 0 8px rgba(250, 204, 21, 0.4);
}

.teach-form-textarea {
    resize: vertical;
    min-height: 90px;
}

.teach-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 16px 0 20px;
    color: #cbd5e1;
    font-size: 0.88rem;
    line-height: 1.45;
}

.teach-checkbox-group input {
    margin-top: 3px;
    accent-color: #facc15;
}

.btn-submit-teach {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(180deg, #facc15 0%, #eab308 100%);
    color: #0f172a !important;
    font-weight: 800;
    font-size: 1rem;
    padding: 12px 28px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 0 4px 14px rgba(250, 204, 21, 0.35);
}

.btn-submit-teach:hover,
.btn-submit-teach:focus {
    background: linear-gradient(180deg, #fde047 0%, #facc15 100%);
    box-shadow: 0 0 18px rgba(250, 204, 21, 0.6);
}

.alert-teach-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid #22c55e;
    color: #86efac;
    padding: 16px 20px;
    border-radius: 6px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

/* ==========================================================================
   Instrument Category Box Cards & All-Instruments View
   ========================================================================== */
.category-box-card {
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.column-title-link {
    color: #facc15 !important;
    text-decoration: none;
    font-weight: 700;
    flex-grow: 1;
    transition: color 0.15s ease, text-decoration 0.15s ease;
}

.column-title-link:hover,
.column-title-link:focus {
    color: #ffffff !important;
    text-decoration: underline;
}

.structured-links-column-heading .column-count {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    font-size: 0.85rem;
    color: #94a3b8;
    font-weight: 400;
    margin-left: 6px;
    letter-spacing: normal;
}

.category-box-footer {
    margin-top: auto;
    padding-top: 10px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-category-action {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #38bdf8 !important;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.82rem;
    transition: all 0.15s ease;
}

.btn-category-action:hover,
.btn-category-action:focus {
    color: #ffffff !important;
    text-decoration: underline;
}

/* Category Detail & All Instruments Section (/learn?category=...) */
.category-spotlight-box {
    background: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.category-spotlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #38bdf8 0%, #facc15 50%, #38bdf8 100%);
}

.category-instruments-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.category-instruments-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.category-instruments-heading {
    font-size: 1.25rem;
    font-weight: 700;
    color: #facc15;
    margin: 0;
}

.inst-filter-input {
    padding: 8px 14px;
    background: #1e293b;
    border: 1px solid #475569;
    border-radius: 4px;
    color: #ffffff;
    font-size: 0.88rem;
    width: 100%;
    max-width: 320px;
    box-sizing: border-box;
}

.inst-filter-input:focus {
    outline: none;
    border-color: #38bdf8;
    box-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

.category-instruments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
}

.category-instrument-card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 6px;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.category-instrument-card:hover {
    border-color: #38bdf8;
    transform: translateY(-2px);
}

.cat-inst-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cat-inst-meta-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 0.76rem;
    color: #94a3b8;
}

.cat-inst-badge {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid #334155;
    padding: 2px 6px;
    border-radius: 3px;
    color: #cbd5e1;
}

.cat-inst-link {
    font-size: 0.78rem;
    color: #38bdf8 !important;
    text-decoration: none;
    font-weight: 600;
    margin-top: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.cat-inst-link:hover {
    color: #ffffff !important;
    text-decoration: underline;
}