*, *::before, *::after {
            box-sizing: border-box;
        }

        :root {
            --color-bg: #050b18;
            --color-surface: #101b31;
            --color-surface-alt: #16233f;
            --color-surface-hover: #1d2c4f;
            --color-border: #1f2d4a;
            --color-border-strong: #2b3d63;
            --color-text: #e7ecf6;
            --color-heading: #f7faff;
            --color-text-muted: #9eaec7;
            --color-input-bg: #1b2744;
            --color-accent: #60a5fa;
            --color-accent-strong: #2563eb;
            --color-success: #34d399;
            --color-danger: #fb7185;
            --color-paper: #f8fafc;
            --color-paper-text: #0f172a;
        }

        body {
            margin: 0;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1 0 auto;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        header {
            background: rgba(16, 27, 49, 0.95);
            border-bottom: 1px solid var(--color-border);
            backdrop-filter: blur(6px);
        }

        .header-container {
            max-width: 960px;
            margin: 0 auto;
            padding: 1.25rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .promo-banner {
            background: linear-gradient(135deg, var(--color-accent-strong), #0ea5e9);
            color: var(--color-paper);
            border-bottom: 1px solid rgba(14, 165, 233, 0.35);
        }

        .promo-banner-link {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            max-width: 960px;
            margin: 0 auto;
            padding: 0.9rem 1.25rem;
            font-weight: 600;
            font-size: clamp(0.95rem, 2.4vw, 1.1rem);
            text-align: center;
            color: inherit;
        }

        .promo-banner-link:hover {
            opacity: 0.92;
        }

        .promo-banner-highlight {
            background: rgba(248, 250, 252, 0.18);
            padding: 0.1rem 0.6rem;
            border-radius: 999px;
            font-weight: 700;
        }

        .logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-heading);
            display: inline-flex;
            gap: 0.25rem;
            align-items: baseline;
        }

        .logo .brand-main { color: var(--color-heading); }
        .logo .brand-accent { color: var(--color-accent); }

        .header-buttons {
            display: flex;
            gap: 0.6rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.35rem;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.97rem;
            padding: 0.55rem 1.25rem;
            transition: background 0.2s ease, color 0.2s ease, border 0.2s ease, transform 0.2s ease;
            border: 1px solid transparent;
            color: var(--color-text);
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: linear-gradient(130deg, var(--color-accent), var(--color-accent-strong));
            border-color: transparent;
            color: #ffffff;
        }

        .btn-primary:hover {
            opacity: 0.95;
        }

        .btn-outline {
            background: var(--color-surface-alt);
            border-color: var(--color-border);
            color: var(--color-text);
        }

        .btn-outline:hover {
            background: var(--color-surface-hover);
            border-color: var(--color-border-strong);
        }

        .btn-active {
            background: var(--color-accent-strong);
            border-color: var(--color-accent-strong);
            color: #ffffff;
        }

        .main-container {
            max-width: 960px;
            margin: 0 auto;
            padding: 2rem 1rem 3rem;
            width: 100%;
        }

        .editor-card,
        .content-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            padding: clamp(1.25rem, 3vw, 1.75rem);
        }

        .content-card-narrow {
            max-width: 520px;
            margin: 0 auto;
        }

        .card-centered {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }

        .paste-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .form-label {
            font-weight: 600;
            color: var(--color-heading);
            font-size: 0.95rem;
        }

        .form-input {
            width: 100%;
            padding: 0.85rem 1rem;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            font: inherit;
            color: var(--color-text);
            background: var(--color-input-bg);
            transition: border 0.2s ease, box-shadow 0.2s ease;
        }

        .form-input::placeholder {
            color: rgba(231, 236, 246, 0.55);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.25);
        }

        .quill-editor {
            margin-top: 0.35rem;
            border-radius: 14px;
            overflow: hidden;
        }

        .ql-toolbar.ql-snow {
            border: 1px solid var(--color-border);
            border-bottom: none;
            border-radius: 14px 14px 0 0;
            background: var(--color-surface-alt);
        }

        .ql-container.ql-snow {
            border: 1px solid var(--color-border);
            border-radius: 0 0 14px 14px;
            background: var(--color-input-bg);
            color: var(--color-heading);
        }

        .ql-editor {
            color: var(--color-heading);
        }

        .ql-editor.ql-blank::before {
            color: rgba(231, 236, 246, 0.45);
            font-style: normal;
        }

        .ql-snow .ql-stroke {
            stroke: var(--color-heading);
        }

        .ql-snow .ql-fill,
        .ql-snow .ql-stroke.ql-fill {
            fill: var(--color-heading);
        }

        .form-error {
            margin: 0;
            color: var(--color-danger);
            font-size: 0.88rem;
        }

        .form-hint {
            margin: 0;
            color: var(--color-text-muted);
            font-size: 0.88rem;
        }

        .form-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .text-muted {
            color: var(--color-text-muted);
        }

        .hero-number {
            font-size: clamp(3rem, 12vw, 4rem);
            line-height: 1;
            font-weight: 700;
            letter-spacing: -0.04em;
            color: var(--color-heading);
        }

        .hero-subtitle {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-heading);
        }

        .hero-description {
            margin: 0;
            color: var(--color-text-muted);
        }

        .page-title {
            margin: 0 0 1.5rem;
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--color-heading);
        }

        .meta-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.75rem;
            font-size: 0.92rem;
            color: var(--color-text-muted);
            margin-bottom: 1.25rem;
        }

        .share-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-text-muted);
            font-size: 0.92rem;
            flex-wrap: wrap;
        }

        .share-row a {
            color: var(--color-heading);
            font-weight: 600;
            word-break: break-all;
        }

        .copy-feedback {
            display: none;
            color: var(--color-success);
            font-size: 0.88rem;
        }

        .alert {
            padding: 0.75rem 1rem;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }

        .alert-error {
            background: rgba(251, 113, 133, 0.12);
            border-color: rgba(251, 113, 133, 0.4);
            color: var(--color-danger);
        }

        .code-block {
            background: var(--color-surface-alt);
            color: var(--color-text);
            border-radius: 12px;
            padding: 1.25rem;
            font-family: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', 'Courier New', monospace;
            font-size: 0.95rem;
            line-height: 1.65;
            overflow-x: auto;
            white-space: pre-wrap;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        .code-block pre {
            margin: 0;
        }

        .html-preview-content {
            all: initial;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: var(--color-heading);
            font-size: 16px;
            line-height: 1.65;
            white-space: normal;
            background: transparent;
        }

        .html-preview-content .paste-content a {
            color: var(--color-accent);
        }

        .html-preview-content .paste-content a:hover {
            color: var(--color-accent-strong);
            text-decoration: underline;
        }

        .raw-preview {
            margin-top: 1.5rem;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            background: var(--color-surface-alt);
            color: var(--color-text);
            padding: 1.25rem;
            white-space: pre-wrap;
            word-break: break-word;
            line-height: 1.65;
        }

        .raw-preview-html {
            white-space: normal;
        }

        .recent-table {
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border);
            border-radius: 16px;
            overflow: hidden;
            background: var(--color-surface);
        }

        .recent-row {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 0.75rem;
            padding: 0.85rem 1rem;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 0.93rem;
            transition: background 0.2s ease;
        }

        .recent-row:last-child {
            border-bottom: none;
        }

        .recent-row:hover {
            background: var(--color-surface-hover);
        }

        .recent-title {
            font-weight: 600;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .recent-meta {
            color: var(--color-text-muted);
            font-size: 0.82rem;
            white-space: nowrap;
        }

        footer {
            border-top: 1px solid var(--color-border);
            background: rgba(16, 27, 49, 0.95);
        }

        .footer-container {
            max-width: 960px;
            margin: 0 auto;
            padding: 1.25rem 1rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            color: var(--color-text-muted);
            font-size: 0.92rem;
        }

        .footer-links {
            display: flex;
            gap: 1rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            margin-top: 2rem;
            flex-wrap: wrap;
        }

        .pagination-btn {
            padding: 0.5rem 1rem;
            background: var(--color-surface-alt);
            color: var(--color-accent);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .pagination-btn:hover {
            background: var(--color-surface-hover);
            border-color: var(--color-accent);
        }

        .pagination-pages {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .pagination-page {
            min-width: 2.5rem;
            height: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-surface-alt);
            color: var(--color-text);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .pagination-page:hover {
            background: var(--color-surface-hover);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .pagination-page.active {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .pagination-ellipsis {
            padding: 0 0.5rem;
            color: var(--color-text-muted);
        }

        .pagination-info {
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-top: 1rem;
        }

        .prose-block {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        .prose-block section {
            background: rgba(255, 255, 255, 0.01);
            padding: 0.25rem 0;
        }

        .prose-block h2 {
            margin: 0 0 0.4rem;
            font-size: 1.1rem;
            color: var(--color-heading);
        }

        .prose-block ul {
            margin: 0;
            padding-left: 1.2rem;
        }

        @media (max-width: 640px) {
            .header-container {
                flex-direction: column;
                align-items: stretch;
            }

            .header-buttons {
                width: 100%;
            }

            .header-buttons .btn {
                flex: 1;
                justify-content: center;
            }

            .form-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .recent-row {
                grid-template-columns: 1fr;
                gap: 0.4rem;
            }

            .footer-container {
                flex-direction: column;
                align-items: flex-start;
            }

            .promo-banner-link {
                flex-direction: column;
                gap: 0.35rem;
            }

            .share-row {
                flex-direction: column;
                align-items: flex-start;
            }
        }