:root {
            --orange: #F97316;
            --orange-dark: #C2410C;
            --navy: #0F172A;
            --bg: #f8fafc;
            --card: #ffffff;
            --text: #0f172a;
            --muted: #64748b;
            --border: #e5e7eb;
            --success-bg: #ecfdf5;
            --success-border: #a7f3d0;
            --success-text: #065f46;
            --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
            --radius: 20px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: Inter, Arial, Helvetica, sans-serif;
            background: var(--bg);
            color: var(--text);
        }

.logo {
    height: 40px;
    margin-bottom: 20px;
    display: block;
}

        .wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 32px 20px 48px;
        }

        .hero {
            background: linear-gradient(135deg, var(--navy), #1e293b);
            color: #fff;
            border-radius: 28px;
            padding: 32px;
            box-shadow: var(--shadow);
            margin-bottom: 24px;
        }

        .hero h1 {
            margin: 0 0 12px;
            font-size: 32px;
            line-height: 1.1;
        }

        .hero p {
            margin: 0;
            color: rgba(255,255,255,0.86);
            font-size: 16px;
            line-height: 1.6;
            max-width: 900px;
        }

        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
            margin-bottom: 24px;
        }

        .card h2 {
            margin-top: 0;
            margin-bottom: 14px;
            font-size: 22px;
        }

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

        textarea {
            width: 100%;
            min-height: 260px;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 16px;
            font: inherit;
            resize: vertical;
            background: #fff;
            color: var(--text);
        }

        .btn {
            display: inline-block;
            margin-top: 16px;
            background: var(--orange);
            color: #fff;
            border: 0;
            border-radius: 14px;
            padding: 14px 22px;
            font-weight: 700;
            cursor: pointer;
        }

        .btn:hover {
            background: var(--orange-dark);
        }

        .grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .box {
            border: 1px solid var(--border);
            border-radius: 18px;
            background: #fff;
            overflow: hidden;
        }

        .box-head {
            background: #f1f5f9;
            padding: 14px 18px;
            font-weight: 700;
            border-bottom: 1px solid var(--border);
        }

        .box-body {
            padding: 18px;
        }

        pre {
            white-space: pre-wrap;
            word-break: break-word;
            margin: 0;
            font-family: Consolas, Monaco, monospace;
            font-size: 14px;
            line-height: 1.6;
        }

        .facts {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 20px;
        }

        .fact {
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 16px;
            background: #fff;
			margin-bottom: 24px;
        }

        .fact .label {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 6px;
        }

        .fact .value {
            font-size: 26px;
            font-weight: 800;
        }

        .status-ok {
            display: inline-block;
            padding: 8px 12px;
            border-radius: 999px;
            background: var(--success-bg);
            border: 1px solid var(--success-border);
            color: var(--success-text);
            font-weight: 700;
            font-size: 14px;
        }

        ul {
            margin: 8px 0 0 18px;
            padding: 0;
        }

        li {
            margin-bottom: 6px;
            word-break: break-word;
        }

        .explanation {
            line-height: 1.7;
        }

        .note {
            border-left: 4px solid var(--orange);
            padding: 14px 16px;
            background: #fff7ed;
            border-radius: 12px;
            color: #7c2d12;
            margin-top: 18px;
        }

        @media (max-width: 900px) {
            .grid,
            .facts {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 26px;
            }
        }
		
.app-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    font-size: 13px;
    color: #6b7280;
    border-top: 1px solid #e5e7eb;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(10px);
}

.footer-left {
    display: flex;
    gap: 10px;
    align-items: center;
}

.footer-left .version {
    opacity: 0.7;
}

.footer-right {
    display: flex;
    gap: 18px;
}

.footer-right a {
    color: #6b7280;
    text-decoration: none;
}

.footer-right a:hover {
    color: #111827;
}

@media (max-width: 768px) {
    .app-footer {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .footer-right {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
}