* {
                margin: 0;
                padding: 0;
                box-sizing: border-box;
            }

            body {
                font-family: "Courier New", "Courier", monospace;
                background: #f5f5f5;
                color: #000;
                line-height: 1.6;
                padding: 1rem;
            }

            .skip-link {
                position: absolute;
                top: -999px;
                left: -999px;
                background: #000;
                color: #fff;
                padding: 0.75rem 1.5rem;
                font-weight: bold;
                letter-spacing: 0.08em;
                z-index: 1000;
            }

            .skip-link:focus {
                top: 1rem;
                left: 1rem;
            }

            .container {
                max-width: 900px;
                margin: 0 auto;
                background: #fafafa;
                border: 2px solid #000;
                padding: 1.5rem;
            }

            .no-js-fallback {
                border: 1px dashed #000;
                padding: 1.5rem;
                background: #fff;
            }

            .no-js-fallback h2 {
                font-size: clamp(1rem, 2.5vw, 1.3rem);
                letter-spacing: 0.08em;
                margin-bottom: 0.75rem;
            }

            .no-js-fallback ul {
                margin: 0.75rem 0 0.75rem 1.5rem;
            }

            /* Header */
            .site-header {
                text-align: center;
                padding: 2rem 0;
                border-top: 2px solid #000;
                border-bottom: 2px solid #000;
                margin-bottom: 2rem;
            }

            .site-title {
                color: #000;
                letter-spacing: 0.2em;
                font-size: clamp(1.2rem, 4vw, 2rem);
                font-weight: bold;
            }

            .site-subtitle {
                margin-top: 0.5rem;
                opacity: 0.7;
                font-size: clamp(0.8rem, 2vw, 1rem);
            }

            /* Posts */
            .posts-container {
                display: flex;
                flex-direction: column;
                gap: 2rem;
                margin-bottom: 2rem;
            }

            .post {
                border: 1px solid #000;
                padding: 1.5rem;
                position: relative;
                background: #fafafa;
            }

            .post.post--pinned {
                border-width: 2px;
                background: #fff;
                box-shadow: 4px 4px 0 0 #000;
            }

            .post-header {
                position: absolute;
                top: -0.7rem;
                left: 1rem;
                background: #fafafa;
                padding: 0 0.5rem;
                font-weight: bold;
                font-size: clamp(0.7rem, 2vw, 0.9rem);
                max-width: calc(100% - 2rem);
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .post-date {
                color: #000;
            }

            .post-content {
                margin-top: 1rem;
            }

            .post-title {
                font-size: clamp(1.2rem, 3vw, 1.5rem);
                font-weight: bold;
                margin-bottom: 1.5rem;
                letter-spacing: 0.05em;
                word-wrap: break-word;
                display: flex;
                align-items: center;
                gap: 0.75rem;
            }

            .post-body {
                color: #000;
            }

            .post-body h1 {
                font-size: clamp(1.2rem, 3vw, 1.5rem);
                font-weight: bold;
                margin: 2rem 0 1rem;
                padding-bottom: 0.5rem;
                border-bottom: 2px solid #000;
            }

            .post-body h2 {
                font-size: clamp(1.1rem, 2.5vw, 1.3rem);
                font-weight: bold;
                margin: 1.5rem 0 1rem;
            }

            .post-body h3 {
                font-size: clamp(1rem, 2vw, 1.1rem);
                font-weight: bold;
                margin: 1rem 0 0.5rem;
            }

            .post-body p {
                margin-bottom: 1rem;
                word-wrap: break-word;
            }

            .post-body ul,
            .post-body ol {
                margin: 1rem 0 1rem 1.5rem;
            }

            .post-body li {
                margin-bottom: 0.5rem;
            }

            .post-body li::marker {
                color: #000;
            }

            .post-body blockquote {
                border-left: 4px solid #000;
                padding-left: 1rem;
                margin: 1.5rem 0;
                font-style: italic;
                opacity: 0.8;
            }

            .post-body code {
                background: #e8e8e8;
                padding: 0.2rem 0.4rem;
                font-family: "Courier New", monospace;
                font-size: 0.9em;
                word-wrap: break-word;
            }

            .post-body pre {
                background: #000;
                color: #fff;
                padding: 1rem;
                overflow-x: auto;
                margin: 1rem 0;
                border: 1px solid #000;
                position: relative;
            }

            .post-body pre code {
                background: none;
                color: #fff;
                padding: 0;
                word-wrap: normal;
            }

            .code-block {
                position: relative;
                border: 1px solid #000;
                margin: 1.5rem 0;
                background: #000;
            }

            .code-block pre {
                margin: 0;
                border: none;
            }

            .copy-btn {
                position: absolute;
                top: 0.5rem;
                right: 0.5rem;
                background: #fff;
                color: #000;
                border: 1px solid #000;
                font-family: "Courier New", monospace;
                font-size: 0.75rem;
                padding: 0.2rem 0.6rem;
                cursor: pointer;
                text-transform: uppercase;
                letter-spacing: 0.08em;
            }

            .copy-btn:hover {
                background: #000;
                color: #fff;
            }

            .copy-btn--inline {
                position: static;
                margin-left: 0.5rem;
                padding: 0.1rem 0.4rem;
            }

            .inline-code {
                display: inline-flex;
                align-items: center;
                gap: 0.5rem;
                border: 1px solid #000;
                background: #e8e8e8;
                padding: 0.1rem 0.4rem;
            }

            .inline-code code {
                background: none;
                padding: 0;
            }

            .post-body img {
                max-width: 100%;
                height: auto;
                border: 2px solid #000;
                margin: 1.5rem 0;
                display: block;
            }

            .post-body a,
            .site-footer a {
                color: #000;
                font-weight: bold;
                text-decoration: none;
                border-bottom: 2px solid #000;
                padding-bottom: 0.05rem;
                word-wrap: break-word;
            }

            .post-body a:hover,
            .post-body a:focus,
            .site-footer a:hover,
            .site-footer a:focus {
                background: #000;
                color: #fff;
            }

            .post-body a:focus,
            .site-footer a:focus {
                outline: 3px solid #000;
                outline-offset: 2px;
            }

            .post-body strong {
                font-weight: bold;
            }

            .post-body em {
                font-style: italic;
            }

            .post-permalink {
                font-size: 0.75rem;
                text-transform: uppercase;
                letter-spacing: 0.1em;
                background: #000;
                color: #fff;
                border: 1px solid #000;
                padding: 0.2rem 0.6rem;
                text-decoration: none;
                display: inline-flex;
                align-items: center;
                gap: 0.3rem;
            }

            .post-permalink::before {
                content: "¶";
            }

            .post-permalink:hover {
                background: #fff;
                color: #000;
            }

            .post-permalink.post-permalink--copied {
                background: #fff;
                color: #000;
            }

            .post--highlight {
                box-shadow: 0 0 0 3px #000;
                animation: pulse 1.5s ease-out 1;
            }

            @keyframes pulse {
                from {
                    box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.4);
                }
                to {
                    box-shadow: 0 0 0 3px #000;
                }
            }

            /* Loading/Error states */
            .loading,
            .error {
                text-align: center;
                padding: 2rem 1rem;
                border: 1px solid #000;
                background: #fafafa;
            }

            .error {
                background: #fff;
            }

            /* Footer */
            .site-footer {
                text-align: center;
                padding-top: 2rem;
                border-top: 2px solid #000;
                font-size: clamp(0.75rem, 2vw, 0.9rem);
            }

            /* Cursor blink animation */
            @keyframes blink {
                0%,
                50% {
                    opacity: 1;
                }
                51%,
                100% {
                    opacity: 0;
                }
            }

            .cursor::after {
                content: "█";
                animation: blink 1s infinite;
            }

            /* Mobile optimizations */
            @media (max-width: 768px) {
                body {
                    padding: 0.5rem;
                }

                .container {
                    padding: 1rem;
                    border-width: 1px;
                }

                .site-header {
                    padding: 1.5rem 0;
                }

                .post {
                    padding: 1rem;
                }

                .post-header {
                    font-size: 0.7rem;
                    left: 0.5rem;
                    padding: 0 0.3rem;
                }

                .post-body ul,
                .post-body ol {
                    margin-left: 1rem;
                }
            }

            @media (max-width: 480px) {
                .container {
                    border: none;
                    padding: 0.5rem;
                }

                .site-header {
                    padding: 1rem 0;
                }

                .post {
                    padding: 0.75rem;
                }
            }

/* Tooltip/Toast */
#toast {
    visibility: hidden;
    min-width: 250px;
    background-color: #000;
    color: #fff;
    text-align: center;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    z-index: 1000;
    left: 50%;
    bottom: 30px;
    transform: translateX(-50%);
    font-size: 14px;
    border: 1px solid #fff;
    box-shadow: 4px 4px 0 0 rgba(0,0,0,0.5);
}

#toast.show {
    visibility: visible;
    animation: fadein 0.5s;
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 30px; opacity: 1;}
}