body.operation-guide-open {
    overflow: hidden;
}

.operation-guide-trigger {
    cursor: pointer;
    min-height: 108px;
    border: 0;
    background: #2563eb;
    box-shadow: 0 12px 26px rgba(37, 99, 235, 0.28);
}

.help-widget-button.operation-guide-trigger:hover,
.help-widget-button.operation-guide-trigger:focus-visible {
    background: #1d4ed8;
    box-shadow: 0 16px 32px rgba(37, 99, 235, 0.34);
    transform: translateX(-2px);
}

.operation-guide-modal {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.operation-guide-modal.hidden,
.operation-guide-modal .hidden {
    display: none !important;
}

.operation-guide-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.68);
    backdrop-filter: blur(3px);
}

.operation-guide-dialog {
    position: relative;
    width: min(1120px, 96vw);
    height: min(820px, 90vh);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.32);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 28px 80px rgba(15, 23, 42, 0.36);
}

.operation-guide-header {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 22px;
    border-bottom: 1px solid #e2e8f0;
    background: linear-gradient(135deg, #f8fbff 0%, #eef5ff 100%);
}

.operation-guide-eyebrow {
    margin: 0 0 3px;
    color: #2563eb;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.operation-guide-header h2 {
    margin: 0;
    color: #0f172a;
    font-size: 22px;
}

.operation-guide-close {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: #64748b;
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
}

.operation-guide-close:hover,
.operation-guide-close:focus-visible {
    background: #e2e8f0;
    color: #0f172a;
    outline: none;
}

.operation-guide-layout {
    min-height: 0;
    display: grid;
    grid-template-columns: 286px minmax(0, 1fr);
    flex: 1;
}

.operation-guide-resource-list {
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px;
    overflow-y: auto;
    border-right: 1px solid #e2e8f0;
    background: #f8fafc;
}

.operation-guide-resource {
    width: calc(100% - 10px);
    align-self: center;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 12px;
    border: 1px solid #dbe3ef;
    border-radius: 12px;
    background: #ffffff;
    color: #334155;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.operation-guide-resource:hover,
.operation-guide-resource:focus-visible {
    border-color: #93c5fd;
    outline: none;
    box-shadow: 0 7px 18px rgba(37, 99, 235, 0.1);
}

.operation-guide-resource.active {
    border-color: #2563eb;
    background: #eff6ff;
}

.operation-guide-resource-order {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 50%;
    background: #dbeafe;
    color: #1d4ed8;
    font-weight: 700;
}

.operation-guide-resource.active .operation-guide-resource-order {
    background: #2563eb;
    color: #ffffff;
}

.operation-guide-resource-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.operation-guide-resource-text strong {
    font-size: 14px;
    line-height: 1.45;
}

.operation-guide-resource-text small {
    color: #94a3b8;
    font-size: 12px;
}

.operation-guide-viewer {
    min-width: 0;
    min-height: 0;
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    padding: 18px;
    background: #e9eef5;
}

.operation-guide-document-frame {
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 12px;
    background: #eef2f7;
}

.operation-guide-video-panel {
    width: 100%;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.operation-guide-video-stage {
    position: relative;
    width: 100%;
    aspect-ratio: 8 / 5;
    max-height: 100%;
    overflow: hidden;
    border-radius: 14px;
    background: #020617;
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.28);
}

.operation-guide-video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.operation-guide-video-stage.is-ready .operation-guide-video {
    opacity: 1;
}

.operation-guide-video-loading,
.operation-guide-video-error {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: radial-gradient(circle at center, #1e293b 0%, #020617 72%);
    color: #e2e8f0;
}

.operation-guide-video-error button {
    padding: 9px 18px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    cursor: pointer;
}

.operation-guide-spinner {
    width: 38px;
    height: 38px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    border-top-color: #60a5fa;
    border-radius: 50%;
    animation: operation-guide-spin 0.8s linear infinite;
}

.operation-guide-video-title {
    position: absolute;
    inset: 0 0 auto;
    z-index: 4;
    padding: 18px 20px 42px;
    background: linear-gradient(180deg, rgba(2, 6, 23, 0.86) 0%, rgba(2, 6, 23, 0) 100%);
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    pointer-events: none;
}

.operation-guide-play {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 5;
    min-width: 132px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 20px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.94);
    color: #ffffff;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.operation-guide-play:hover,
.operation-guide-play:focus-visible {
    background: #1d4ed8;
    outline: 3px solid rgba(147, 197, 253, 0.5);
}

.operation-guide-skip {
    position: absolute;
    right: 14px;
    bottom: 54px;
    z-index: 6;
    padding: 8px 14px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.72);
    color: #ffffff;
    font-size: 13px;
    cursor: pointer;
    backdrop-filter: blur(4px);
}

.operation-guide-skip:hover,
.operation-guide-skip:focus-visible {
    background: rgba(30, 41, 59, 0.94);
    outline: 2px solid rgba(255, 255, 255, 0.35);
}

.operation-guide-modal.tutorial-only .operation-guide-dialog {
    width: min(720px, calc(100vw - 180px));
    height: auto;
    max-height: none;
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.operation-guide-modal.tutorial-only .operation-guide-header {
    display: none;
}

.operation-guide-modal.tutorial-only .operation-guide-layout {
    display: block;
}

.operation-guide-modal.tutorial-only .operation-guide-resource-list {
    display: none;
}

.operation-guide-modal.tutorial-only .operation-guide-viewer {
    min-height: 0;
    padding: 0;
    overflow: visible;
    background: transparent;
}

.operation-guide-modal.tutorial-only .operation-guide-video-panel {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}

.operation-guide-modal.tutorial-only .operation-guide-skip {
    position: absolute;
    top: auto;
    right: auto;
    bottom: 20px;
    left: calc(100% + 20px);
    margin: 0;
    padding: 4px 0;
    transform: none;
    border: 0;
    background: transparent;
    color: #07c160;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    backdrop-filter: none;
}

.operation-guide-modal.tutorial-only .operation-guide-skip:hover,
.operation-guide-modal.tutorial-only .operation-guide-skip:focus-visible {
    background: transparent;
    color: #059b4d;
    outline: 2px solid rgba(7, 193, 96, 0.28);
    outline-offset: 4px;
}

.operation-guide-modal.tutorial-only.is-closing .operation-guide-skip {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.16s ease;
}

@keyframes operation-guide-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 820px) {
    .operation-guide-modal {
        padding: 10px;
    }

    .operation-guide-dialog {
        width: 100%;
        height: 94vh;
    }

    .operation-guide-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto minmax(0, 1fr);
    }

    .operation-guide-resource-list {
        flex-direction: row;
        border-right: 0;
        border-bottom: 1px solid #e2e8f0;
    }

    .operation-guide-resource {
        width: 100%;
        min-width: 210px;
    }

    .operation-guide-viewer {
        padding: 10px;
    }

    .operation-guide-modal.tutorial-only .operation-guide-dialog {
        width: min(720px, calc(100vw - 20px));
        height: auto;
    }

    .operation-guide-modal.tutorial-only .operation-guide-skip {
        position: static;
        align-self: flex-end;
        margin-top: 12px;
        transform: none;
    }
}

@media (max-height: 650px) {
    .operation-guide-trigger {
        min-height: 86px;
    }

    .operation-guide-header {
        min-height: 64px;
        padding-top: 10px;
        padding-bottom: 10px;
    }
}