:root {
    color-scheme: dark;
    --wrapper-bg: #050808;
    --wrapper-panel: rgba(12, 20, 20, 0.86);
    --wrapper-line: rgba(146, 157, 157, 0.34);
    --wrapper-text: #f4f7f7;
    --wrapper-muted: #b5c1c1;
    --wrapper-teal: #1aa4a1;
    --wrapper-shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

.embedded-course-wrapper,
.local-wrapper-body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(26, 164, 161, 0.16), transparent 30%),
        linear-gradient(180deg, #050808 0%, #091010 55%, #040707 100%);
    color: var(--wrapper-text);
    font-family: "Outfit", sans-serif;
}

.wrapper-page-shell,
.wrapper-shell {
    width: min(1240px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 36px;
    display: grid;
    gap: 18px;
}

[data-fullscreen-shell]:fullscreen,
[data-fullscreen-shell]:-webkit-full-screen {
    width: 100vw;
    max-width: none;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    grid-template-rows: auto auto minmax(0, 1fr);
    align-content: stretch;
    background:
        radial-gradient(circle at top left, rgba(26, 164, 161, 0.18), transparent 28%),
        linear-gradient(180deg, #050808 0%, #091010 55%, #040707 100%);
    box-sizing: border-box;
    overflow: auto;
}

.wrapper-card {
    border: 1px solid var(--wrapper-line);
    border-radius: 28px;
    background: var(--wrapper-panel);
    box-shadow: var(--wrapper-shadow);
    backdrop-filter: blur(16px);
}

.wrapper-header,
.wrapper-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 26px 28px;
}

.wrapper-header h1,
.wrapper-hero h1 {
    margin: 8px 0 8px;
    font-size: clamp(2rem, 3vw, 3.1rem);
    line-height: 1.02;
}

.section-label {
    margin: 0;
    color: var(--wrapper-teal);
    font-family: "Space Grotesk", sans-serif;
    font-size: 0.8rem;
    letter-spacing: 0.16rem;
    text-transform: uppercase;
}

.wrapper-subtitle,
.wrapper-description,
#progressMessage {
    margin: 0;
    color: var(--wrapper-muted);
    line-height: 1.6;
}

.wrapper-subtitle {
    font-weight: 600;
    margin-bottom: 10px;
}

.wrapper-pills,
.access-actions,
.progress-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    padding: 10px 14px;
    border-radius: 999px;
    background: linear-gradient(180deg, #22bdbc, #0d7c7a);
    color: #ffffff;
    font-weight: 700;
}

.status-pill.outline {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--wrapper-line);
}

.progress-card,
.access-card {
    padding: 22px 24px;
    display: grid;
    gap: 16px;
}

.progress-card h2,
.access-card h2 {
    margin: 8px 0 8px;
}

.progress-copy {
    display: grid;
    gap: 8px;
}

.wrapper-progress-track {
    height: 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.wrapper-progress-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #1aa4a1, #66efe2);
    transition: width 180ms ease;
}

.player-frame-card {
    padding: 16px;
}

[data-fullscreen-shell]:fullscreen .player-frame-card,
[data-fullscreen-shell]:-webkit-full-screen .player-frame-card {
    min-height: min(100%, calc(100vh - 220px));
    padding: 18px;
    background: rgba(8, 15, 15, 0.94);
}

.lesson-player-frame {
    width: 100%;
    min-height: 980px;
    border: 0;
    border-radius: 22px;
    background: #050808;
}

[data-fullscreen-shell]:fullscreen .lesson-player-frame,
[data-fullscreen-shell]:-webkit-full-screen .lesson-player-frame {
    min-height: min(100%, calc(100vh - 260px));
    border-radius: 18px;
}

.cta-button,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    font: inherit;
}

.cta-button {
    background: linear-gradient(180deg, #22bdbc, #0d7c7a);
    color: #ffffff;
    border: 0;
}

.ghost-button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--wrapper-line);
    color: var(--wrapper-text);
}

@media (max-width: 900px) {
    .wrapper-header,
    .wrapper-hero {
        flex-direction: column;
    }

    .lesson-player-frame {
        min-height: 780px;
    }
}