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

        :root {
            --font-en: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-fa: 'Vazirmatn', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
            --bg-primary: #050505;
            --bg-secondary: #111111;
            --bg-tertiary: #1a1a1a;
            --bg-card: #151515;
            --text-primary: #ffffff;
            --text-secondary: #a0a0a0;
            --text-muted: #666666;
            --accent-primary: #00ff88;
            --accent-secondary: #00cc6a;
            --accent-gradient: linear-gradient(135deg, #00ff88, #00cc6a);
            --accent-glow: 0 0 20px rgba(0, 255, 136, 0.3);
            --border-radius: 20px;
            --border-radius-sm: 12px;
            --border-radius-lg: 28px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 30px rgba(0, 255, 136, 0.2);
            --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-fast: all 0.2s ease;
            --transition-slow: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        body {
            font-family: 'Poppins', 'Vazirmatn', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 255, 136, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(0, 255, 136, 0.03) 0%, transparent 20%);
        }

        .login-container {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--border-radius-lg);
            padding: 3rem;
            text-align: center;
            max-width: 500px;
            width: 100%;
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            position: relative;
            overflow: hidden;
            animation: modalContentAppear 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .login-container::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: var(--accent-gradient);
            opacity: 0.03;
            z-index: -1;
            animation: rotate 10s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        @keyframes modalContentAppear {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .login-icon {
            font-size: 5rem;
            margin-bottom: 1.5rem;
            display: block;
            animation: float 3s ease-in-out infinite;
            filter: drop-shadow(0 0 10px rgba(0, 255, 136, 0.3));
        }

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

        h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        p {
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            line-height: 1.6;
            font-size: 1.1rem;
        }

        .login-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1rem 2rem;
            border: none;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: var(--accent-gradient);
            color: #000;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: var(--transition-slow);
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: var(--shadow-glow), 0 10px 30px rgba(0, 255, 136, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.15);
            position: relative;
        }

        .btn-secondary::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--accent-gradient);
            opacity: 0;
            transition: var(--transition);
            z-index: -1;
        }

        .btn-secondary:hover::before {
            opacity: 0.1;
        }

        .btn-secondary:hover {
            border-color: var(--accent-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        @media (max-width: 768px) {
            .login-container {
                padding: 2.5rem;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .login-icon {
                font-size: 4rem;
            }
        }

        @media (max-width: 480px) {
            .login-container {
                padding: 2rem;
            }
            
            .login-actions {
                flex-direction: column;
            }
            
            .btn {
                width: 100%;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            .login-icon {
                font-size: 3.5rem;
            }
        }