.lms-lesson-page {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    max-width: 1400px;
    margin: 24px auto;
    padding: 0 24px;
    color: #e6e9ef;
}

.lms-lesson-main {
    background: #060f18;
    border-radius: 12px;
    padding: 18px;
}

@media (max-width: 900px) {
    .lms-lesson-page {
        grid-template-columns: 1fr;
    }
}

.lms-player-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    user-select: none;
}

.lms-player-wrap .lms-player {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.lms-player-wrap iframe.lms-player {
    pointer-events: none;
}

.lms-watermark {
    position: absolute;
    top: 20%;
    left: 20%;
    pointer-events: none;
    color: rgba(255, 255, 255, 0.28);
    font-size: 14px;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    transition: top 1.2s ease, left 1.2s ease;
    white-space: nowrap;
    z-index: 5;
}

.lms-click-shield {
    position: absolute;
    inset: 0;
    z-index: 4;
    cursor: pointer;
    background: transparent;
}

.lms-cover {
    position: absolute;
    inset: 0;
    z-index: 9;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: #05070d;
    background-size: cover;
    background-position: center;
    opacity: 1;
    transition: opacity 0.35s ease;
}

.lms-cover.lms-cover-hidden {
    opacity: 0;
    pointer-events: none;
}

.lms-cover-play-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(20, 24, 32, 0.75);
    border: 2px solid rgba(255, 255, 255, 0.65);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.lms-cover:hover .lms-cover-play-btn {
    transform: scale(1.08);
    background: rgba(251, 152, 6, 0.85);
    border-color: #fff;
}

.lms-cover-play-btn svg {
    width: 30px;
    height: 30px;
    fill: currentColor;
}

.lms-controls {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: linear-gradient(180deg, #0f1626 0%, #05070d 100%);
    z-index: 10;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.lms-controls.lms-hidden {
    opacity: 0;
    transform: translateY(6px);
    pointer-events: none;
}

.lms-controls button {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    padding: 0;
    flex-shrink: 0;
    transition: background-color 0.15s ease, transform 0.15s ease;
}

.lms-controls button:hover {
    background-color: rgba(255, 255, 255, 0.14);
    transform: scale(1.08);
}

.lms-controls button svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.lms-controls input[type="range"].lms-seek {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, #fb9806 var(--progress, 0%), rgba(255, 255, 255, 0.25) var(--progress, 0%));
    outline: none;
    cursor: pointer;
}

.lms-controls input[type="range"].lms-seek::-webkit-slider-runnable-track {
    background: transparent;
    height: 4px;
    border-radius: 2px;
}

.lms-controls input[type="range"].lms-seek::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px;
    height: 13px;
    margin-top: -4.5px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(251, 152, 6, 0.35);
    cursor: pointer;
    transition: transform 0.15s ease;
}

.lms-controls input[type="range"].lms-seek:hover::-webkit-slider-thumb {
    transform: scale(1.2);
}

.lms-controls input[type="range"].lms-seek::-moz-range-track {
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.25);
}

.lms-controls input[type="range"].lms-seek::-moz-range-progress {
    height: 4px;
    border-radius: 2px;
    background: #fb9806;
}

.lms-controls input[type="range"].lms-seek::-moz-range-thumb {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #fff;
    border: none;
    box-shadow: 0 0 0 3px rgba(251, 152, 6, 0.35);
    cursor: pointer;
}

.lms-controls .lms-time {
    font-size: 12px;
    color: #cbd5e1;
    min-width: 88px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    flex-shrink: 0;
}

.lms-nav-row {
    display: flex;
    justify-content: space-between;
    margin-top: 14px;
}

.lms-btn {
    display: inline-block;
    background: #fb9806;
    color: #fff;
    padding: 8px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
}

.lms-btn-disabled {
    background: #1c2c40;
    color: #5c6b80;
    cursor: not-allowed;
}

.lms-btn-start {
    margin-top: 16px;
}

.lms-meta-row {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #1c3350;
    font-size: 13px;
    color: #93a1b5;
}

.lms-tabs {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    border-bottom: 1px solid #1c3350;
}

.lms-tab-btn {
    background: none;
    border: none;
    color: #93a1b5;
    font-size: 14px;
    padding: 10px 2px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.lms-tab-btn.active {
    color: #fff;
    border-bottom-color: #fb9806;
}

.lms-tab-panel {
    display: none;
    padding: 18px 2px;
}

.lms-tab-panel.active {
    display: block;
}

.lms-lesson-title {
    font-size: 20px;
    margin: 0 0 8px;
}

.lms-sidebar {
    background: #0f1f33;
    border-radius: 10px;
    padding: 16px;
    height: fit-content;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 24px;
}

.lms-curriculum {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    margin-right: -8px;
    padding-right: 8px;
}

.lms-curriculum::-webkit-scrollbar {
    width: 6px;
}

.lms-curriculum::-webkit-scrollbar-thumb {
    background: #24405f;
    border-radius: 3px;
}

@media (max-width: 900px) {
    .lms-sidebar {
        max-height: none;
        position: static;
    }

    .lms-curriculum {
        overflow-y: visible;
    }
}

.lms-search {
    width: 100%;
    box-sizing: border-box;
    background: #060f18;
    border: 1px solid #1c3350;
    color: #e6e9ef;
    padding: 10px 12px;
    border-radius: 6px;
    margin-bottom: 14px;
}

.lms-course-name {
    color: #93a1b5;
    font-size: 13px;
    margin: 0 0 10px;
}

.lms-module {
    margin-bottom: 6px;
    border-radius: 6px;
    overflow: hidden;
}

.lms-module-header {
    padding: 12px;
    font-size: 13px;
    font-weight: 600;
    background: #14283f;
}

.lms-lesson-item {
    display: flex;
    justify-content: space-between;
    padding: 12px;
    text-decoration: none;
    color: #cbd5e1;
    font-size: 13px;
    border-top: 1px solid #14283f;
}

.lms-lesson-item:hover {
    background: #14283f;
}

.lms-lesson-item.current {
    background: #fb9806;
    color: #fff;
}

.lms-lesson-item-duration {
    color: inherit;
    opacity: 0.75;
}

.lms-course-page {
    max-width: 900px;
    margin: 24px auto;
    padding: 24px;
    color: #e6e9ef;
    background: #060f18;
    border-radius: 12px;
}

.lms-course-thumb img {
    width: 100%;
    border-radius: 10px;
}

.lms-gate {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
    padding: 24px;
    background: #060f18;
    color: #cbd5e1;
    font-size: 15px;
}

.lms-gate-actions {
    display: flex;
    gap: 12px;
}

.lms-btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.lms-volume-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.lms-controls input[type="range"].lms-volume {
    width: 70px;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, #fb9806 var(--vol-progress, 100%), rgba(255, 255, 255, 0.25) var(--vol-progress, 100%));
    outline: none;
    cursor: pointer;
}

.lms-controls input[type="range"].lms-volume::-webkit-slider-runnable-track {
    background: transparent;
    height: 4px;
    border-radius: 2px;
}

.lms-controls input[type="range"].lms-volume::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 11px;
    height: 11px;
    margin-top: -3.5px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(251, 152, 6, 0.35);
    cursor: pointer;
    transition: transform 0.15s ease;
}

.lms-controls input[type="range"].lms-volume:hover::-webkit-slider-thumb {
    transform: scale(1.2);
}

.lms-controls input[type="range"].lms-volume::-moz-range-track {
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.25);
}

.lms-controls input[type="range"].lms-volume::-moz-range-progress {
    height: 4px;
    border-radius: 2px;
    background: #fb9806;
}

.lms-controls input[type="range"].lms-volume::-moz-range-thumb {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: #fff;
    border: none;
    box-shadow: 0 0 0 3px rgba(251, 152, 6, 0.35);
    cursor: pointer;
}

@media (max-width: 480px) {
    .lms-controls input[type="range"].lms-volume {
        width: 44px;
    }
}

.lms-controls button.lms-skip-btn {
    width: auto;
    height: 30px;
    padding: 0 8px;
    border-radius: 15px;
    gap: 3px;
    background: rgba(255, 255, 255, 0.06);
}

.lms-controls button.lms-skip-btn:hover {
    background-color: rgba(255, 255, 255, 0.16);
}

.lms-controls button.lms-skip-btn svg {
    width: 15px;
    height: 15px;
}

.lms-skip-label {
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
}

@media (max-width: 480px) {
    .lms-controls button.lms-skip-btn {
        height: 26px;
        padding: 0 6px;
    }
    .lms-controls button.lms-skip-btn svg {
        width: 12px;
        height: 12px;
    }
    .lms-skip-label {
        font-size: 9px;
    }
}

.lms-course-price {
    font-family: inherit;
    font-size: 28px;
    font-weight: 700;
    color: #fb9806;
    margin-bottom: 12px;
}

.lms-gate-price {
    font-size: 18px;
    font-weight: 700;
    color: #fb9806;
    margin: 0;
}

.lms-points-popup {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: linear-gradient(135deg, rgba(15, 31, 51, 0.97), rgba(6, 15, 24, 0.97));
    border: 1px solid rgba(251, 152, 6, 0.4);
    border-radius: 14px;
    box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(251, 152, 6, 0.15);
    color: #f5f6fa;
    font-size: 14px;
    opacity: 0;
    transform: translateY(-14px) scale(0.96);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
}

.lms-points-popup-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.lms-points-popup-icon {
    font-size: 22px;
    line-height: 1;
}

.lms-points-popup-text {
    font-weight: 700;
    color: #fb9806;
    white-space: nowrap;
}

.lms-points-popup-total {
    color: #93a1b5;
    font-size: 12px;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    padding-left: 10px;
    margin-left: 2px;
    white-space: nowrap;
}

@media (max-width: 480px) {
    .lms-points-popup {
        left: 16px;
        right: 16px;
        top: 16px;
    }
}