/* Note viewer page styles */
.note-viewer-page #note-content {
    text-align: left;
    font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

.note-viewer-page #note-content * {
    text-align: inherit;
}

/* 图片居中显示 */
.note-viewer-page #note-content img {
    display: block;
    margin: 1rem auto !important;
    max-width: 100%;
    height: auto;
}

.note-viewer-page .note-content pre,
.note-viewer-page .note-content code {
    text-align: left;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.note-viewer-page .toc-toggle-btn {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 45px;
    height: 45px;
    background: var(--surface-elevated);
    border: 2.5px solid var(--border);
    border-radius: 50%;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.note-viewer-page .toc-toggle-btn:hover {
    background: var(--primary);
    color: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(0, 217, 255, 0.4);
}

.note-viewer-page .note-toc {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.note-viewer-page .note-toc.note-toc--hidden {
    transform: translateY(-50%) translateX(150%);
    opacity: 0;
    pointer-events: none;
}

.note-viewer-page .loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.note-viewer-page .skeleton-screen {
    width: 100%;
    max-width: 600px;
    margin-bottom: 2rem;
}

.note-viewer-page .skeleton-item {
    height: 16px;
    background: linear-gradient(
        90deg,
        var(--surface) 0%,
        var(--surface-elevated) 50%,
        var(--surface) 100%
    );
    background-size: 200% 100%;
    border-radius: 4px;
    margin-bottom: 1.2rem;
    animation: skeleton-loading 1.8s ease-in-out infinite;
}

.note-viewer-page .skeleton-title {
    height: 28px;
    margin-bottom: 1.5rem;
    width: 70%;
}

.note-viewer-page .skeleton-subtitle {
    height: 20px;
    margin-bottom: 2rem;
    width: 50%;
    opacity: 0.7;
}

.note-viewer-page .skeleton-paragraph {
    height: 14px;
    margin-bottom: 0.8rem;
}

.note-viewer-page .skeleton-paragraph:last-child {
    margin-bottom: 0;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.note-viewer-page .loading-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 1rem;
}

.note-viewer-page .error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 5%, transparent), transparent);
    border-radius: 8px;
    min-height: 400px;
}

.note-viewer-page .error-container i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
    animation: error-bounce 0.6s ease-in-out;
}

@keyframes error-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.note-viewer-page .error-container h2 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.note-viewer-page .error-container p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
    max-width: 500px;
}

.note-viewer-page .error-subtext {
    font-size: 0.85rem;
    color: color-mix(in srgb, var(--text-muted) 70%, transparent);
    margin-top: 0.5rem;
}

.note-viewer-page .error-container__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
}

.note-viewer-page .error-container__back-link,
.note-viewer-page .error-container__refresh-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid transparent;
}

.note-viewer-page .error-container__back-link {
    background: var(--primary);
    color: #ffffff;
}

.note-viewer-page .error-container__back-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.3);
}

.note-viewer-page .error-container__refresh-btn {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.note-viewer-page .error-container__refresh-btn:hover {
    background: color-mix(in srgb, var(--primary) 10%, transparent);
}

.note-viewer-page .note-back-btn {
    padding: 0.3rem 0.65rem;
    font-size: 0.82rem;
    line-height: 1.15;
    border-radius: 8px;
}

.note-viewer-page .note-content.animate-in {
    animation: note-viewer-fade-in 0.24s ease-out;
}

@keyframes note-viewer-fade-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-height: 400px) {
    .note-viewer-page .note-back-btn {
        padding: 0.26rem 0.58rem;
        font-size: 0.78rem;
    }
}

@media (max-width: 768px) {
    html {
        overflow-y: auto;
        overscroll-behavior-y: none;
        -webkit-overflow-scrolling: touch;
    }

    body.note-viewer-page {
        overflow-x: hidden;
        overflow-y: auto;
        overscroll-behavior-y: none;
        -webkit-overflow-scrolling: touch;
        min-height: 100vh;
    }

    body.note-viewer-page::before {
        position: absolute;
        height: 200vh;
    }

    .note-viewer-page .toc-toggle-btn {
        bottom: 100px;
        right: 30px;
    }

    .note-viewer-page .note-toc {
        position: fixed;
        top: 50%;
        right: 20px;
        width: 260px;
        max-height: 60vh;
        transform: translateY(-50%) translateZ(0);
        z-index: 1050;
        order: unset;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
        will-change: transform, opacity;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        isolation: isolate;
    }

    .note-viewer-page .note-toc.note-toc--hidden {
        transform: translateY(-50%) translateX(150%);
        opacity: 0;
        pointer-events: none;
    }

    .note-viewer-page .note-content {
        transform: translateZ(0);
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
        touch-action: pan-y;
        overscroll-behavior: contain;
    }

    .note-viewer-page .container.section.note-layout {
        overscroll-behavior: contain;
        touch-action: pan-y;
    }
}

/* Code block enhancement */
.note-viewer-page .code-block-wrapper {
    position: relative;
    margin: 1rem 0;
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.note-viewer-page .code-block-wrapper pre {
    margin: 0;
    padding: 1rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
}

.note-viewer-page .code-block-wrapper pre code {
    padding: 0;
    background: transparent;
    border: none;
}

.note-viewer-page .code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.note-viewer-page .code-block-lang {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: capitalize;
    letter-spacing: 0.5px;
}

.note-viewer-page .code-block-copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.3rem 0.65rem;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.note-viewer-page .code-block-copy-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: color-mix(in srgb, var(--primary) 8%, transparent);
}

.note-viewer-page .code-block-copy-btn.copied {
    border-color: #22c55e;
    color: #22c55e;
    background: color-mix(in srgb, #22c55e 12%, transparent);
}

/* Search box and navigation */
.note-viewer-page .note-search-container {
    position: sticky;
    top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 0.9rem;
    margin-bottom: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    z-index: 900;
}

.note-viewer-page .note-search-input {
    flex: 1;
    max-width: 300px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 6px;
    font-size: 0.85rem;
    transition: border-color 0.2s ease;
}

.note-viewer-page .note-search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 20%, transparent);
}

.note-viewer-page .note-search-input::placeholder {
    color: var(--text-muted);
}

.note-viewer-page .note-search-nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.note-viewer-page .note-search-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.note-viewer-page .note-search-nav-btn:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
    background: color-mix(in srgb, var(--primary) 8%, transparent);
}

.note-viewer-page .note-search-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.note-viewer-page .note-search-count {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0 0.5rem;
    white-space: nowrap;
}

/* Search highlight */
mark.search-highlight {
    background: color-mix(in srgb, var(--primary) 30%, transparent);
    color: inherit;
    padding: 0.1em 0.15em;
    border-radius: 2px;
    font-weight: 500;
}

mark.search-highlight.active {
    background: color-mix(in srgb, var(--primary) 50%, transparent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 40%, transparent);
    animation: search-highlight-pulse 0.4s ease;
}

@keyframes search-highlight-pulse {
    0% {
        box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 40%, transparent);
    }

    100% {
        box-shadow: 0 0 0 0px transparent;
    }
}

/* Markdown headings & bold - blue color */
.note-viewer-page #note-content h1,
.note-viewer-page #note-content h2,
.note-viewer-page #note-content h3,
.note-viewer-page #note-content h4,
.note-viewer-page #note-content h5,
.note-viewer-page #note-content h6 {
    color: #00D9FF;
}

.note-viewer-page #note-content strong {
    color: #00D9FF;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .note-viewer-page .note-search-input {
        max-width: 100%;
    }

    .note-viewer-page .code-block-header {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .note-viewer-page .code-block-copy-btn {
        align-self: flex-end;
    }
}