:root {
    --lms-navy: #0F4C81;
    --lms-teal: #14679c;
    --lms-gold: #d7b55d;
    --lms-green: #20825f;
    --lms-red: #b42318;
    --course-accent: var(--lms-teal);
    --course-accent-strong: var(--lms-navy);
    --course-accent-soft: #e7f1fb;
    --course-wash: #f7fbff;
    --course-ink: #ffffff;
    --lms-bg: #f4f7fb;
    --lms-panel: #ffffff;
    --lms-border: #d9e4ee;
    --lms-text: #17202c;
    --lms-muted: #5f6f82;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body.lms-body {
    margin: 0;
    background:
        linear-gradient(135deg, rgba(15, 76, 129, 0.06), transparent 30%),
        linear-gradient(315deg, rgba(31, 166, 122, 0.30), transparent 42%),
        #e2f4e8;
    color: var(--lms-text);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    overflow-x: hidden;
}

.lms-nav {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background:
        radial-gradient(circle at 100% 0%, rgba(31, 166, 122, 0.95), transparent 34%),
        linear-gradient(135deg, #0F4C81 0%, #14679c 58%, #1fa67a 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 14px 30px rgba(10, 35, 66, 0.2);
}

.lms-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    color: #ffffff;
    text-decoration: none;
    font-weight: 900;
}

.lms-brand span span {
    color: var(--lms-gold) !important;
}

.lms-brand img {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    object-fit: cover;
}

.lms-nav-links {
    display: flex;
    gap: 0.6rem;
    margin-left: auto;
    flex-wrap: wrap;
}

.lms-nav-links a,
.lms-button,
.lms-secondary,
.lms-icon-button {
    border: 1px solid var(--lms-border);
    border-radius: 8px;
    background: #ffffff;
    color: var(--lms-navy);
    font: inherit;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
}

.lms-nav-links a:active,
.lms-button:active,
.lms-secondary:active,
.lms-icon-button:active,
.lms-tab:active {
    transform: scale(0.9);
    filter: brightness(0.9);
}

.lms-nav-links a.is-clicked,
.lms-button.is-clicked,
.lms-secondary.is-clicked,
.lms-icon-button.is-clicked,
.lms-tab.is-clicked {
    animation: lms-button-click 0.38s ease;
}

@keyframes lms-button-click {
    0% {
        transform: scale(1);
    }
    45% {
        transform: scale(0.89);
        filter: brightness(1.12);
        box-shadow:
            0 0 0 6px rgba(31, 166, 122, 0.32),
            0 8px 18px rgba(15, 76, 129, 0.22);
    }
    100% {
        transform: scale(1);
        filter: brightness(1);
    }
}

.lms-nav-links a:hover,
.lms-button:hover,
.lms-secondary:hover,
.lms-icon-button:hover,
.lms-tab:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 16px rgba(15, 76, 129, 0.18);
}

@media (prefers-reduced-motion: reduce) {
    .lms-nav-links a,
    .lms-button,
    .lms-secondary,
    .lms-icon-button,
    .lms-tab {
        animation: none !important;
        transition: none;
    }
}

.lms-nav-links a {
    padding: 0.65rem 0.8rem;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    color: #ffffff;
}

.lms-nav-links a:hover {
    background: #ffffff;
    color: var(--lms-navy);
}

body.lms-body.guest-view #menuToggle,
body.lms-body.guest-view #drawer,
body.lms-body.guest-view #drawerOverlay {
    display: none !important;
}

body.lms-body.guest-view .lms-tab[data-view="enrolled"],
body.lms-body.guest-view .lms-progress {
    display: none !important;
}

body.lms-body.guest-view #workspaceBtn {
    display: none !important;
}

.guest-access-banner {
    display: grid;
    gap: 0.8rem;
    margin-top: 1rem;
    padding: 0.4rem 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.guest-access-banner strong {
    color: #ffffff;
    font-size: 1rem;
}

.lms-hero .guest-access-banner .lms-muted {
    color: rgba(255, 255, 255, 0.9);
}

.guest-auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.lms-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.7rem 1rem;
    background: var(--lms-teal);
    border-color: var(--lms-teal);
    color: #ffffff;
}

.catalog-directory {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1.15rem 1.25rem;
    border: 1px solid rgba(20, 103, 156, 0.22);
    border-radius: 8px;
    background:
        radial-gradient(circle at 100% 0%, rgba(31, 166, 122, 0.22), transparent 42%),
        linear-gradient(135deg, #e6f3fb 0%, #dff5ec 100%);
    box-shadow: 0 16px 34px rgba(10, 35, 66, 0.1);
}

.catalog-directory h2 {
    margin: 0;
    color: var(--lms-navy);
}

.catalog-directory p:not(.lms-kicker) {
    margin: 0.45rem 0 0;
    color: var(--lms-muted);
}

.catalog-directory-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.65rem;
}

.catalog-directory-actions a {
    padding: 0.75rem 1rem;
    border: 1px solid rgba(15, 76, 129, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.74);
    color: var(--lms-navy);
    font-weight: 900;
    text-decoration: none;
}

.catalog-directory-actions a.active,
.catalog-directory-actions a:hover {
    background: var(--lms-navy);
    color: #ffffff;
}

.catalog-panel {
    margin-top: 1rem;
    padding: 1rem;
    background:
        radial-gradient(circle at 100% 0%, rgba(31, 166, 122, 0.1), transparent 38%),
        linear-gradient(145deg, #edf7fc 0%, #e8f8f2 100%);
}

.lms-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.7rem 1rem;
}

.lms-hero .lms-button {
    background: linear-gradient(135deg, var(--course-accent-strong), var(--course-accent));
    border-color: var(--course-accent-strong);
}

.lms-hero .lms-secondary {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.28);
    color: #ffffff;
}

.lms-button:disabled,
.lms-secondary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.lms-shell {
    width: min(1520px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1rem;
    box-sizing: border-box;
}

.lms-hero,
.lms-panel,
.lms-card,
.lms-sidebar,
.lms-player,
.lms-tutor,
.lms-notebook {
    background: var(--lms-panel);
    border: 1px solid var(--lms-border);
    border-radius: 8px;
}

.lms-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    gap: 1.2rem;
    padding: 1.2rem;
    background:
        radial-gradient(circle at 100% 0%, rgba(97, 220, 180, 0.34), transparent 36%),
        linear-gradient(135deg, #0f4c81 0%, #14679c 58%, #1fa67a 100%);
    border-color: rgba(20, 103, 156, 0.32);
    box-shadow: 0 22px 46px rgba(15, 76, 129, 0.22);
}

#selected-program {
    scroll-margin-top: 96px;
}

.lms-hero h1,
.lms-panel h2,
.lms-card h3,
.lms-player h2,
.lms-sidebar h3 {
    margin: 0;
    color: var(--lms-navy);
}

.lms-hero h1 {
    color: #ffffff;
}

.lms-kicker {
    margin: 0 0 0.45rem;
    color: var(--lms-gold);
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
}

.lms-muted {
    color: var(--lms-muted);
    line-height: 1.6;
}

.lms-hero .lms-muted {
    color: rgba(255, 255, 255, 0.88);
}

.lms-hero-metrics,
.lms-meta-grid,
.lms-study-grid,
.lms-report-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
}

.lms-metric,
.lms-meta,
.lms-report-card {
    padding: 0.85rem;
    border: 1px solid var(--lms-border);
    border-radius: 8px;
    background: #f8fbff;
}

.lms-metric {
    background: rgba(255, 255, 255, 0.13);
    border-color: rgba(255, 255, 255, 0.24);
    color: #ffffff;
}

.lms-metric strong,
.lms-meta strong,
.lms-report-card strong {
    display: block;
    color: var(--lms-navy);
    font-size: 1.2rem;
}

.lms-metric strong {
    color: #ffffff;
}

.lms-hero img,
.lms-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    object-fit: cover;
}

.lms-hero img {
    border: 1px solid rgba(255, 255, 255, 0.28);
    box-shadow: 0 18px 34px rgba(4, 19, 38, 0.24);
}

.lms-toolbar {
    display: grid;
    grid-template-columns: 1fr 220px 180px;
    gap: 0.7rem;
    margin: 1rem 0;
}

.lms-input,
.lms-select,
.lms-textarea {
    width: 100%;
    border: 1px solid var(--lms-border);
    border-radius: 8px;
    padding: 0.75rem;
    box-sizing: border-box;
    font: inherit;
    background: #ffffff;
}

.lms-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    grid-auto-rows: 1fr;
    gap: 1rem;
}

.course-group {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.1rem;
    padding: 1rem;
    border: 1px solid var(--course-accent-soft);
    border-radius: 26px;
    background:
        linear-gradient(180deg, var(--course-accent-soft), rgba(255, 255, 255, 0.92)),
        #ffffff;
    box-shadow: 0 16px 30px rgba(10, 35, 66, 0.05);
    position: relative;
    overflow: hidden;
}

#courseGrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: stretch;
    align-items: stretch;
    grid-auto-rows: auto;
    gap: 1.25rem;
}

.lms-hero .lms-metric {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(10, 63, 110, 0.48);
    color: #ffffff;
    backdrop-filter: blur(4px);
}

.lms-hero .lms-metric strong,
.lms-hero .lms-metric span {
    color: #ffffff;
}

.course-group:first-child {
    margin-top: 0;
}

.course-group-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 0.8rem;
}

.course-group-head h3 {
    margin: 0.1rem 0 0;
    color: var(--course-accent-strong);
    font-size: 1.25rem;
}

.course-group-head > .lms-chip {
    background: rgba(255, 255, 255, 0.82);
    color: var(--course-accent-strong);
    border-color: var(--course-accent-soft);
}

.lms-card {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    width: 100%;
    min-width: 0;
    min-height: 650px;
    height: auto;
    padding: 0.85rem;
    position: relative;
    overflow: hidden;
    border-color: var(--course-accent-soft);
    border-radius: 22px;
    background: linear-gradient(180deg, #ffffff 0%, var(--course-wash) 100%);
    box-shadow: 0 18px 36px rgba(10, 35, 66, 0.08);
}

.course-family-label {
    margin: 0.15rem 0 0;
    color: var(--course-accent);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.lms-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 8px;
    background: linear-gradient(90deg, var(--course-accent-strong), var(--course-accent));
}

.course-group .lms-grid {
    grid-template-columns: repeat(auto-fill, 270px);
    justify-content: start;
    align-items: stretch;
}

.lms-card:hover {
    transform: translateY(-3px);
    border-color: var(--course-accent);
    box-shadow: 0 22px 40px rgba(10, 35, 66, 0.13);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.lms-card img {
    background:
        linear-gradient(135deg, var(--course-accent-soft), rgba(255, 255, 255, 0.92)),
        #e7f3f5;
}

.course-card-image {
    aspect-ratio: 16 / 8.4;
    border-radius: 18px;
    border: 1px solid var(--course-accent-soft);
    object-fit: cover;
}

.lms-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.lms-chip {
    padding: 0.48rem 0.8rem;
    border: 1px solid var(--course-accent-soft);
    border-radius: 999px;
    color: var(--course-accent-strong);
    background: var(--course-accent-soft);
    font-size: 0.84rem;
    font-weight: 800;
    line-height: 1;
}

.lms-chip:first-child {
    background: linear-gradient(135deg, var(--course-accent-soft), rgba(255, 255, 255, 0.92));
    border-color: var(--course-accent);
    color: var(--course-accent-strong);
}

.lms-chip:nth-child(2) {
    background: #fff4d6;
    border-color: rgba(215, 181, 93, 0.42);
}

.lms-chip:nth-child(3) {
    background: #eaf7ef;
    border-color: rgba(32, 130, 95, 0.26);
}

.lms-card h3 {
    font-size: 1.32rem;
    line-height: 1.18;
    letter-spacing: -0.02em;
    min-height: 0;
    color: var(--course-accent-strong);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lms-card .lms-muted {
    font-size: 0.98rem;
    line-height: 1.55;
}

.lms-card > .lms-muted {
    display: -webkit-box;
    min-height: 4.65rem;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.course-card-footer {
    display: grid;
    gap: 0.55rem;
    margin-top: auto;
}

.course-card-progress {
    margin: 0;
    color: var(--lms-muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.course-card-note {
    margin: 0;
    min-height: 0;
}

.course-card-actions {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 0.2rem;
    width: 100%;
}

.course-card-actions .lms-button,
.course-card-actions .lms-secondary {
    width: 100%;
    border-radius: 999px;
    min-height: 54px;
    padding: 0.82rem 1rem;
    font-size: 0.96rem;
}

.course-card-actions .lms-button {
    background: linear-gradient(135deg, var(--course-accent-strong), var(--course-accent));
    border-color: var(--course-accent-strong);
}

.course-card-actions .lms-secondary {
    background: #ffffff;
    color: var(--course-accent-strong);
    border-color: var(--course-accent-soft);
}

.lms-progress {
    height: 9px;
    border-radius: 999px;
    background: #dfe8f0;
    overflow: hidden;
}

.lms-progress span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--course-accent), var(--course-accent-strong));
}

.lms-panel {
    background: rgba(247, 255, 252, 0.94);
    box-shadow: 0 14px 32px rgba(10, 35, 66, 0.07);
}

.lms-footer {
    width: min(1440px, calc(100% - 2rem));
    margin: 1.2rem auto 0;
    padding: 1rem;
    border-top: 0;
    color: #536477;
    text-align: center;
    font-weight: 650;
    line-height: 1.55;
}

.lms-footer div:last-child {
    color: var(--lms-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.lms-tab.active {
    background: linear-gradient(135deg, var(--lms-navy), var(--lms-teal));
    color: #ffffff;
    border-color: transparent;
}

.lms-layout {
    display: grid;
    grid-template-columns: 330px minmax(0, 1fr) 310px;
    gap: 1rem;
    align-items: start;
}

.lms-sidebar,
.lms-tutor,
.lms-notebook,
.lms-player {
    padding: 1rem;
}

.lms-sidebar {
    position: sticky;
    top: 78px;
    display: grid;
    gap: 0.8rem;
    max-height: calc(100vh - 96px);
    overflow: auto;
}

.lms-term {
    display: grid;
    gap: 0.45rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--lms-border);
}

.lms-lesson-button {
    display: grid;
    gap: 0.2rem;
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--lms-border);
    border-radius: 8px;
    background: #ffffff;
    color: var(--lms-text);
    text-align: left;
    cursor: pointer;
}

.lms-lesson-button.active {
    border-color: var(--lms-teal);
    box-shadow: inset 0 0 0 1px rgba(0, 140, 149, 0.2);
}

.lms-lesson-button.locked {
    opacity: 0.55;
    cursor: not-allowed;
}

.lms-video-frame {
    min-height: 280px;
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(10, 35, 66, 0.78), rgba(0, 140, 149, 0.72)),
        url("https://images.unsplash.com/photo-1584515933487-779824d29309?auto=format&fit=crop&q=80&w=1200") center/cover;
    color: #ffffff;
    display: grid;
    align-content: end;
    padding: 1.2rem;
}

.lms-video-frame h2 {
    color: #ffffff;
}

.lms-lesson-body {
    line-height: 1.75;
}

.lms-concepts,
.lms-options,
.lms-note-list,
.lms-flashcards {
    display: grid;
    gap: 0.65rem;
}

.lms-concepts span,
.lms-options label,
.lms-note,
.lms-flashcard {
    padding: 0.75rem;
    border: 1px solid var(--lms-border);
    border-radius: 8px;
    background: #f8fbff;
}

.lms-options input {
    margin-right: 0.45rem;
    accent-color: var(--lms-teal);
}

.lms-feedback.correct {
    color: var(--lms-green);
    font-weight: 900;
}

.lms-feedback.incorrect {
    color: var(--lms-red);
    font-weight: 900;
}

.lms-right-rail {
    display: grid;
    gap: 1rem;
    position: sticky;
    top: 78px;
}

.lms-avatar {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 8px;
    object-fit: cover;
}

.lms-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.lms-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    flex-wrap: wrap;
}

.lms-tab {
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--lms-border);
    border-radius: 8px;
    background: #ffffff;
    color: var(--lms-navy);
    font-weight: 900;
    cursor: pointer;
}

.lms-tab.active {
    background: linear-gradient(135deg, var(--lms-navy), var(--lms-teal));
    color: #ffffff;
    border-color: transparent;
}

.hidden {
    display: none !important;
}

@media (max-width: 1120px) {
    .lms-layout,
    .lms-hero {
        grid-template-columns: 1fr;
    }

    .lms-sidebar,
    .lms-right-rail {
        position: static;
        max-height: none;
    }

    .lms-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    #courseGrid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lms-card h3 {
        min-height: 0;
    }
}

@media (max-width: 720px) {
    .catalog-directory {
        align-items: stretch;
        flex-direction: column;
    }

    .catalog-directory-actions {
        justify-content: flex-start;
    }
    .lms-toolbar,
    .lms-grid,
    .lms-hero-metrics,
    .lms-meta-grid,
    .lms-study-grid,
    .lms-report-grid {
        grid-template-columns: 1fr;
    }

    .course-group .lms-grid {
        grid-template-columns: 1fr;
    }

    #courseGrid {
        grid-template-columns: minmax(0, 420px);
        grid-auto-rows: auto;
    }

    .lms-card {
        width: 100%;
        max-width: 100%;
    }

    .lms-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .lms-nav-links {
        margin-left: 0;
        width: 100%;
    }

    .lms-nav-links a {
        flex: 1 1 150px;
    }

    .lms-shell {
        width: min(100%, calc(100% - 1rem));
        padding: 0.5rem 0;
    }

    .lms-card {
        min-height: 620px;
        padding: 0.85rem;
    }

    .course-card-actions .lms-button,
    .course-card-actions .lms-secondary {
        min-height: 48px;
    }
}