.learning-page {
    --lp-navy: #10213e;
    --lp-blue: #3478e5;
    --lp-blue-dark: #255fae;
    --lp-green: #159466;
    --lp-amber: #d48a13;
    --lp-ink: #17243a;
    --lp-muted: #69778d;
    --lp-line: #dce4ef;
    --lp-soft: #f5f8fc;
    width: 100%;
    padding: clamp(1.5rem, 4vw, 3.5rem) 0 1rem;
}

.learning-page * {
    box-sizing: border-box;
}

.learning-hero {
    position: relative;
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
    overflow: hidden;
    border: 1px solid rgba(66, 112, 181, 0.2);
    border-radius: 22px;
    color: #ffffff;
    background:
        radial-gradient(circle at 84% 22%, rgba(108, 168, 255, 0.36), transparent 27%),
        linear-gradient(132deg, #0d1b33 0%, #18386a 58%, #2f70c5 100%);
    box-shadow: 0 22px 58px rgba(27, 56, 99, 0.16);
}

.learning-hero::after {
    content: "</>";
    position: absolute;
    right: clamp(1rem, 5vw, 4rem);
    bottom: -2.4rem;
    color: rgba(255, 255, 255, 0.08);
    font-family: Consolas, monospace;
    font-size: clamp(6rem, 15vw, 12rem);
    font-weight: 800;
    line-height: 1;
    pointer-events: none;
}

.learning-hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    padding: clamp(2rem, 6vw, 4.5rem);
}

.learning-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.85rem;
    color: #9fc4ff;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.learning-eyebrow::before {
    content: "";
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: #68a4ff;
}

.learning-hero h1 {
    margin: 0;
    color: #ffffff;
    font-size: clamp(2rem, 5vw, 3.65rem);
    font-weight: 750;
    letter-spacing: -0.035em;
    line-height: 1.05;
}

.learning-hero p {
    max-width: 660px;
    margin: 1rem 0 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: clamp(1rem, 2vw, 1.16rem);
    line-height: 1.65;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.35rem;
}

.course-card {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--lp-line);
    border-radius: 19px;
    background: #ffffff;
    box-shadow: 0 12px 38px rgba(27, 52, 88, 0.09);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.course-card:hover {
    transform: translateY(-4px);
    border-color: #bdd1ee;
    box-shadow: 0 20px 48px rgba(27, 52, 88, 0.14);
}

.course-card-accent {
    height: 5px;
    background: linear-gradient(90deg, #3278e6, #64a4ff 58%, #57d3a0);
}

.course-card-body {
    height: calc(100% - 5px);
    padding: clamp(1.25rem, 3vw, 2rem);
    display: flex;
    flex-direction: column;
}

.course-card-top {
    display: flex;
    align-items: flex-start;
    gap: 1.15rem;
}

.course-logo-frame {
    width: 96px;
    height: 96px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    overflow: hidden;
    border: 1px solid #dbe5f2;
    border-radius: 18px;
    background: linear-gradient(145deg, #f7faff, #eaf2ff);
}

.course-logo-frame img {
    width: 74px;
    height: 74px;
    object-fit: contain;
}

.course-card-heading {
    min-width: 0;
    flex: 1 1 auto;
}

.course-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.55rem;
    padding: 0.3rem 0.55rem;
    border-radius: 999px;
    color: #275b9f;
    background: #eaf2ff;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.course-label.premium {
    color: #8a5c09;
    background: #fff3cf;
}

.course-card h2 {
    margin: 0;
    color: var(--lp-ink);
    font-size: clamp(1.25rem, 2.4vw, 1.65rem);
    font-weight: 750;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.course-description {
    margin: 1.15rem 0;
    color: var(--lp-muted);
    font-size: 0.96rem;
    line-height: 1.65;
}

.course-metrics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
    margin: auto 0 1rem;
}

.course-metric {
    padding: 0.8rem 0.9rem;
    border: 1px solid #e1e8f2;
    border-radius: 11px;
    background: #f8fafd;
}

.course-metric strong,
.course-metric span {
    display: block;
}

.course-metric strong {
    color: var(--lp-ink);
    font-size: 1.2rem;
    line-height: 1.1;
}

.course-metric span {
    margin-top: 0.25rem;
    color: var(--lp-muted);
    font-size: 0.76rem;
}

.course-prerequisite {
    margin-bottom: 1.15rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--lp-muted);
    font-size: 0.86rem;
}

.course-prerequisite i {
    color: var(--lp-green);
}

.course-actions,
.review-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.kg-button {
    min-height: 43px;
    padding: 0.68rem 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.15;
    text-decoration: none !important;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.kg-button:hover {
    transform: translateY(-1px);
}

.kg-button-primary {
    color: #ffffff !important;
    background: var(--lp-blue);
    box-shadow: 0 7px 18px rgba(52, 120, 229, 0.2);
}

.kg-button-primary:hover {
    background: var(--lp-blue-dark);
}

.kg-button-secondary {
    color: #244f88 !important;
    background: #eef4fd;
    border-color: #cad9ee;
}

.kg-button-secondary:hover {
    background: #e2edfc;
}

.course-detail-hero {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: clamp(1rem, 3vw, 2rem);
    margin-bottom: 1.35rem;
    padding: clamp(1.4rem, 4vw, 2.5rem);
    overflow: hidden;
    border: 1px solid rgba(65, 111, 183, 0.2);
    border-radius: 20px;
    color: #ffffff;
    background: linear-gradient(128deg, #0d1b33, #1a3c70 68%, #3278c9);
    box-shadow: 0 18px 45px rgba(23, 52, 94, 0.15);
}

.course-detail-icon {
    width: 86px;
    height: 86px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.1);
}

.course-detail-icon i {
    color: #ffffff;
    font-size: 2rem;
}

.course-detail-copy .learning-eyebrow {
    margin-bottom: 0.5rem;
}

.course-detail-copy h1 {
    margin: 0;
    color: #ffffff;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 750;
    letter-spacing: -0.03em;
}

.course-detail-copy p {
    margin: 0.7rem 0 0;
    color: rgba(255, 255, 255, 0.76);
    line-height: 1.6;
}

.course-detail-actions {
    min-width: 220px;
    display: grid;
    justify-items: stretch;
    gap: 0.65rem;
}

.course-detail-actions small {
    max-width: 220px;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.4;
    text-align: center;
}

.course-video-button {
    color: #ffffff !important;
    background: #c92b2b;
    border-color: rgba(255, 255, 255, 0.22);
    box-shadow: 0 8px 22px rgba(5, 18, 39, 0.18);
}

.course-video-button:hover {
    color: #ffffff !important;
    background: #a91f1f;
}

.view-toggle {
    min-width: 170px;
    color: #143159;
    background: #ffffff;
    box-shadow: 0 8px 22px rgba(5, 18, 39, 0.18);
}

.view-toggle:hover {
    color: #0f2748;
    background: #f1f6ff;
}

.learning-panel {
    margin-bottom: 1.35rem;
    overflow: hidden;
    border: 1px solid var(--lp-line);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 12px 35px rgba(24, 50, 84, 0.07);
}

.learning-panel-header {
    padding: 1.2rem 1.35rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--lp-line);
    background: #fbfcfe;
}

.learning-panel-header h2,
.learning-panel-header h3 {
    margin: 0;
    color: var(--lp-ink);
    font-size: 1.12rem;
    font-weight: 750;
}

.panel-count {
    padding: 0.32rem 0.62rem;
    border-radius: 999px;
    color: #42658f;
    background: #edf3fb;
    font-size: 0.74rem;
    font-weight: 750;
}

.learning-panel-body {
    padding: 1.25rem;
}

.task-category + .task-category {
    margin-top: 1.35rem;
}

.task-category-title {
    margin: 0 0 0.65rem;
    display: flex;
    align-items: center;
    gap: 0.55rem;
    color: #30435f;
    font-size: 0.79rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.task-category-title::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #5594ed;
    box-shadow: 0 0 0 4px #e7f0fd;
}

.course-task-item {
    overflow: hidden;
    border: 1px solid #e1e8f2;
    border-radius: 12px;
    background: #ffffff;
}

.course-task-item + .course-task-item {
    margin-top: 0.58rem;
}

.course-task-trigger {
    width: 100%;
    min-width: 0;
    padding: 0.85rem 1rem;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 0.8rem;
    border: 0;
    color: var(--lp-ink);
    background: #ffffff;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.16s ease;
}

.course-task-trigger:hover,
.course-task-trigger:focus-visible {
    background: #f6f9fe;
}

.task-number {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    color: #2b67b8;
    background: #e9f2ff;
    font-size: 0.78rem;
    font-weight: 800;
}

.task-name {
    min-width: 0;
    overflow-wrap: anywhere;
    font-size: 0.95rem;
    font-weight: 700;
}

.task-status {
    padding: 0.32rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 800;
    white-space: nowrap;
}

.task-status.solved {
    color: #08704b;
    background: #dcf7eb;
}

.task-status.started {
    color: #245ca8;
    background: #e4efff;
}

.task-status.new {
    color: #687488;
    background: #eef1f5;
}

.task-chevron {
    color: #8290a5;
    transition: transform 0.2s ease;
}

.course-task-trigger[aria-expanded="true"] .task-chevron {
    transform: rotate(180deg);
}

.task-details {
    padding: 1rem 1rem 1.1rem 4.85rem;
    border-top: 1px solid #e7edf5;
    color: var(--lp-muted);
    background: #fbfcfe;
}

.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 0.8rem;
}

.task-meta span {
    padding: 0.3rem 0.55rem;
    border: 1px solid #dde6f1;
    border-radius: 7px;
    color: #53647c;
    background: #ffffff;
    font-size: 0.75rem;
}

.task-description {
    margin-bottom: 1rem;
    line-height: 1.65;
}

.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.tutorial-card {
    padding: 1.15rem;
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 1rem;
    border: 1px solid #e0e8f3;
    border-radius: 13px;
    background: #ffffff;
}

.tutorial-card img {
    width: 78px;
    height: 78px;
    border-radius: 11px;
    object-fit: contain;
    background: #f4f7fb;
}

.tutorial-card h3 {
    margin: 0 0 0.45rem;
    color: var(--lp-ink);
    font-size: 1rem;
    font-weight: 750;
}

.tutorial-card p {
    color: var(--lp-muted);
    font-size: 0.88rem;
    line-height: 1.55;
}

.review-success-hero {
    position: relative;
    margin-bottom: 1.35rem;
    padding: clamp(1.6rem, 4vw, 2.8rem);
    overflow: hidden;
    border: 1px solid #bfe7d7;
    border-radius: 21px;
    background: linear-gradient(128deg, #ecfbf5 0%, #f7fffc 58%, #eef6ff 100%);
    box-shadow: 0 16px 42px rgba(20, 84, 66, 0.09);
}

.review-success-hero::after {
    content: "✓";
    position: absolute;
    right: clamp(1rem, 5vw, 4rem);
    top: 50%;
    transform: translateY(-50%);
    color: rgba(21, 148, 102, 0.09);
    font-size: clamp(7rem, 18vw, 13rem);
    font-weight: 900;
    line-height: 1;
}

.review-success-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.review-success-label {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.75rem;
    color: #08704b;
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.review-success-hero h1 {
    margin: 0;
    color: #173c34;
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 780;
    letter-spacing: -0.035em;
    line-height: 1.08;
}

.review-success-hero p {
    margin: 0.85rem 0 0;
    color: #52716a;
    font-size: 1rem;
}

.review-toolbar {
    margin-bottom: 1.35rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.review-back {
    color: #52637b;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none !important;
}

.review-back:hover {
    color: #275d9f;
}

.review-description {
    color: #4c5d74;
    font-size: 1rem;
    line-height: 1.7;
}

.review-summary-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 1.35rem;
    margin-bottom: 1.35rem;
}

.code-compare-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: #263550;
}

.code-column {
    min-width: 0;
    background: #0d1424;
}

.code-column-header {
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #dce7f8;
    background: #14213a;
    border-bottom: 1px solid #263550;
    font-size: 0.8rem;
    font-weight: 750;
}

.code-column-header.model i {
    color: #75a7ff;
}

.code-column-header.user i {
    color: #5ee59b;
}

.review-code {
    min-height: 210px;
    margin: 0;
    padding: 1.2rem;
    overflow: auto;
    color: #e2e9f5;
    background: #0d1424;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9rem;
    line-height: 1.65;
    white-space: pre;
}

.example-output {
    min-height: 130px;
    margin: 0;
    padding: 1.15rem;
    overflow: auto;
    border-radius: 11px;
    color: #dffbea;
    background: #0f1c2f;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
}

.completion-message {
    padding: 0.8rem 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    border-radius: 10px;
    color: #76510c;
    background: #fff3d0;
    font-size: 0.88rem;
    font-weight: 700;
}

.empty-state {
    padding: 2.5rem 1rem;
    color: var(--lp-muted);
    text-align: center;
}

@media (max-width: 900px) {
    .course-grid,
    .review-summary-grid,
    .code-compare-grid {
        grid-template-columns: 1fr;
    }

    .course-detail-hero {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .view-toggle {
        grid-column: 1 / -1;
        width: 100%;
    }

    .tutorial-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575.98px) {
    .learning-page {
        padding-top: 1.15rem;
    }

    .learning-hero,
    .course-detail-hero,
    .review-success-hero,
    .learning-panel,
    .course-card {
        border-radius: 14px;
    }

    .learning-hero-content {
        padding: 1.65rem 1.25rem 2rem;
    }

    .course-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .course-card-top {
        align-items: center;
    }

    .course-logo-frame {
        width: 72px;
        height: 72px;
        border-radius: 14px;
    }

    .course-logo-frame img {
        width: 56px;
        height: 56px;
    }

    .course-actions,
    .review-actions {
        flex-direction: column;
    }

    .course-actions .kg-button,
    .review-actions .kg-button {
        width: 100%;
    }

    .course-detail-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .course-detail-icon {
        margin: 0 auto;
    }

    .course-detail-copy .learning-eyebrow {
        justify-content: center;
    }

    .learning-panel-body {
        padding: 0.85rem;
    }

    .course-task-trigger {
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 0.65rem;
        padding: 0.78rem;
    }

    .task-status {
        grid-column: 2 / 3;
        width: max-content;
    }

    .task-chevron {
        grid-column: 3;
        grid-row: 1 / 3;
    }

    .task-details {
        padding: 0.9rem;
    }

    .tutorial-card {
        grid-template-columns: 58px minmax(0, 1fr);
    }

    .tutorial-card img {
        width: 58px;
        height: 58px;
    }

    .review-toolbar {
        align-items: stretch;
    }

    .review-back {
        width: 100%;
    }

    .review-code {
        min-height: 170px;
    }
}