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

        body {
            font-family: 'Vazir', 'Tahoma', 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #e2e8f0;
            line-height: 1.7;
            padding: 2rem 1rem;
        }

        /* container اصلی */
        .container {
            max-width: 1300px;
            margin: 0 auto;
            background: rgba(15, 23, 42, 0.65);
            backdrop-filter: blur(2px);
            border-radius: 2rem;
            overflow: hidden;
            box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* header هنرمندانه */
        .hero {
            background: linear-gradient(120deg, #0f172a, #1e293b);
            padding: 2rem 2rem 1.5rem;
            border-bottom: 1px solid rgba(56, 189, 248, 0.2);
            text-align: center;
        }

        .hero h1 {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #c084fc, #60a5fa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
            margin-bottom: 0.5rem;
        }

        .hero p {
            color: #94a3b8;
            font-size: 1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        .badge-group {
            margin-top: 1rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.7rem;
        }

        .badge {
            background: #1e293b;
            padding: 0.25rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid #334155;
            color: #b9c7da;
        }

        .badge i {
            margin-left: 6px;
            color: #38bdf8;
        }

        /* بخش متن اصلی */
        .content-card {
            background: rgba(30, 41, 59, 0.5);
            margin: 2rem;
            padding: 1.8rem;
            border-radius: 1.5rem;
            backdrop-filter: blur(4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(71, 85, 105, 0.5);
            transition: all 0.2s ease;
        }

        .content-card h2 {
            font-size: 1.6rem;
            border-right: 5px solid #38bdf8;
            padding-right: 1rem;
            margin-bottom: 1.2rem;
            color: #f1f5f9;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .content-card h2 i {
            color: #38bdf8;
            font-size: 1.6rem;
        }

        .text-body {
            font-size: 1.05rem;
            white-space: pre-wrap;
            word-break: break-word;
            text-align: justify;
        }

        /* بخش دستورات (شبیه کد حرفه‌ای) */
        .commands-section {
            margin: 2rem;
            background: #0a0f1c;
            border-radius: 1.5rem;
            overflow: hidden;
            border: 1px solid #2d3a5e;
            box-shadow: 0 12px 18px -8px black;
        }

        .commands-header {
            background: #111827;
            padding: 1rem 1.5rem;
            border-bottom: 1px solid #1f2a44;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .commands-header span {
            font-family: monospace;
            font-weight: 600;
            background: #1e293b;
            padding: 0.2rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            color: #a5f3fc;
        }

        .commands-header i {
            margin-left: 8px;
        }

        .copy-all-btn {
            background: #1e293b;
            border: none;
            color: #cbd5e1;
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-family: inherit;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .copy-all-btn:hover {
            background: #2d3a5e;
            color: white;
            transform: scale(0.97);
        }

        .command-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 1rem;
            padding: 1.5rem;
        }

        .command-card {
            background: #0f111a;
            border-radius: 1rem;
            border: 1px solid #262f3f;
            transition: all 0.2s;
            overflow: hidden;
        }

        .command-card:hover {
            border-color: #3b82f6;
            box-shadow: 0 5px 12px rgba(59,130,246,0.2);
        }

        .cmd-title {
            background: #1a1f2e;
            padding: 0.6rem 1rem;
            font-weight: 700;
            font-size: 0.9rem;
            border-bottom: 1px solid #2d3748;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cmd-title i {
            font-size: 1.1rem;
            color: #60a5fa;
        }

        .cmd-code {
            position: relative;
            padding: 0.8rem 1rem;
            background: #03050b;
            font-family: 'JetBrains Mono', 'Fira Code', monospace;
            font-size: 0.75rem;
            direction: ltr;
            text-align: left;
            white-space: pre-wrap;
            word-break: break-all;
            color: #bbd7fb;
            border-bottom: 1px solid #1e2a3a;
        }

        .copy-cmd {
            background: #1e293b;
            border: none;
            color: #9ca3af;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.7rem;
            margin: 0.6rem 1rem 0.8rem auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            transition: 0.15s;
        }

        .copy-cmd:hover {
            background: #2c3e5c;
            color: white;
        }

        .toast-msg {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: #0f172a;
            backdrop-filter: blur(12px);
            color: #a5f3fc;
            padding: 0.7rem 1.5rem;
            border-radius: 60px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid #38bdf8;
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
            z-index: 1000;
            transition: opacity 0.2s;
            opacity: 0;
            pointer-events: none;
        }

        footer {
            text-align: center;
            padding: 1.5rem;
            font-size: 0.8rem;
            color: #5b6e8c;
            border-top: 1px solid #1e2a3a;
            margin-top: 1rem;
        }

        @media (max-width: 700px) {
            .container {
                margin: 0;
                border-radius: 1.2rem;
            }
            .content-card, .commands-section {
                margin: 1rem;
            }
            .command-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
        }